diff options
Diffstat (limited to 'qemu/roms/u-boot/arch/nios2')
41 files changed, 0 insertions, 3794 deletions
diff --git a/qemu/roms/u-boot/arch/nios2/config.mk b/qemu/roms/u-boot/arch/nios2/config.mk deleted file mode 100644 index 65a5a40b6..000000000 --- a/qemu/roms/u-boot/arch/nios2/config.mk +++ /dev/null @@ -1,19 +0,0 @@ -# -# (C) Copyright 2004 -# Psyent Corporation <www.psyent.com> -# Scott McNutt <smcnutt@psyent.com> -# -# SPDX-License-Identifier: GPL-2.0+ -# - -ifeq ($(CROSS_COMPILE),) -CROSS_COMPILE := nios2-elf- -endif - -CONFIG_STANDALONE_LOAD_ADDR ?= 0x02000000 - -PLATFORM_CPPFLAGS += -DCONFIG_NIOS2 -D__NIOS2__ -PLATFORM_CPPFLAGS += -G0 - -LDFLAGS_FINAL += --gc-sections -PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections diff --git a/qemu/roms/u-boot/arch/nios2/cpu/Makefile b/qemu/roms/u-boot/arch/nios2/cpu/Makefile deleted file mode 100644 index bdd983d3f..000000000 --- a/qemu/roms/u-boot/arch/nios2/cpu/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -extra-y = start.o -obj-y = exceptions.o -obj-y += cpu.o interrupts.o sysid.o traps.o epcs.o -obj-y += fdt.o diff --git a/qemu/roms/u-boot/arch/nios2/cpu/cpu.c b/qemu/roms/u-boot/arch/nios2/cpu/cpu.c deleted file mode 100644 index e0dcbc201..000000000 --- a/qemu/roms/u-boot/arch/nios2/cpu/cpu.c +++ /dev/null @@ -1,49 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <nios2.h> -#include <nios2-io.h> -#include <asm/cache.h> - -#if defined (CONFIG_SYS_NIOS_SYSID_BASE) -extern void display_sysid (void); -#endif /* CONFIG_SYS_NIOS_SYSID_BASE */ - -int checkcpu (void) -{ - printf ("CPU : Nios-II\n"); -#if !defined(CONFIG_SYS_NIOS_SYSID_BASE) - printf ("SYSID : <unknown>\n"); -#else - display_sysid (); -#endif - return (0); -} - -int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - disable_interrupts(); - /* indirect call to go beyond 256MB limitation of toolchain */ - nios2_callr(CONFIG_SYS_RESET_ADDR); - return 0; -} - -int dcache_status(void) -{ - return 1; -} - -void dcache_enable(void) -{ - flush_dcache(CONFIG_SYS_DCACHE_SIZE, CONFIG_SYS_DCACHELINE_SIZE); -} - -void dcache_disable(void) -{ - flush_dcache(CONFIG_SYS_DCACHE_SIZE, CONFIG_SYS_DCACHELINE_SIZE); -} diff --git a/qemu/roms/u-boot/arch/nios2/cpu/epcs.c b/qemu/roms/u-boot/arch/nios2/cpu/epcs.c deleted file mode 100644 index 975855244..000000000 --- a/qemu/roms/u-boot/arch/nios2/cpu/epcs.c +++ /dev/null @@ -1,717 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> - -#if defined(CONFIG_SYS_NIOS_EPCSBASE) -#include <command.h> -#include <asm/io.h> -#include <nios2-io.h> -#include <nios2-epcs.h> - - -/*-----------------------------------------------------------------------*/ -#define SHORT_HELP\ - "epcs - read/write Cyclone EPCS configuration device.\n" - -#define LONG_HELP\ - "\n"\ - "epcs erase start [end]\n"\ - " - erase sector start or sectors start through end.\n"\ - "epcs info\n"\ - " - display EPCS device information.\n"\ - "epcs protect on | off\n"\ - " - turn device protection on or off.\n"\ - "epcs read addr offset count\n"\ - " - read count bytes from offset to addr.\n"\ - "epcs write addr offset count\n"\ - " - write count bytes to offset from addr.\n"\ - "epcs verify addr offset count\n"\ - " - verify count bytes at offset from addr." - - -/*-----------------------------------------------------------------------*/ -/* Operation codes for serial configuration devices - */ -#define EPCS_WRITE_ENA 0x06 /* Write enable */ -#define EPCS_WRITE_DIS 0x04 /* Write disable */ -#define EPCS_READ_STAT 0x05 /* Read status */ -#define EPCS_READ_BYTES 0x03 /* Read bytes */ -#define EPCS_READ_ID 0xab /* Read silicon id */ -#define EPCS_WRITE_STAT 0x01 /* Write status */ -#define EPCS_WRITE_BYTES 0x02 /* Write bytes */ -#define EPCS_ERASE_BULK 0xc7 /* Erase entire device */ -#define EPCS_ERASE_SECT 0xd8 /* Erase sector */ - -/* Device status register bits - */ -#define EPCS_STATUS_WIP (1<<0) /* Write in progress */ -#define EPCS_STATUS_WEL (1<<1) /* Write enable latch */ - -/* Misc - */ -#define EPCS_TIMEOUT 100 /* 100 msec timeout */ - -static nios_spi_t *epcs = (nios_spi_t *)CONFIG_SYS_NIOS_EPCSBASE; - -/*********************************************************************** - * Device access - ***********************************************************************/ -static int epcs_cs (int assert) -{ - ulong start; - unsigned tmp; - - - if (assert) { - tmp = readl (&epcs->control); - writel (tmp | NIOS_SPI_SSO, &epcs->control); - } else { - /* Let all bits shift out */ - start = get_timer (0); - while ((readl (&epcs->status) & NIOS_SPI_TMT) == 0) - if (get_timer (start) > EPCS_TIMEOUT) - return (-1); - tmp = readl (&epcs->control); - writel (tmp & ~NIOS_SPI_SSO, &epcs->control); - } - return (0); -} - -static int epcs_tx (unsigned char c) -{ - ulong start; - - start = get_timer (0); - while ((readl (&epcs->status) & NIOS_SPI_TRDY) == 0) - if (get_timer (start) > EPCS_TIMEOUT) - return (-1); - writel (c, &epcs->txdata); - return (0); -} - -static int epcs_rx (void) -{ - ulong start; - - start = get_timer (0); - while ((readl (&epcs->status) & NIOS_SPI_RRDY) == 0) - if (get_timer (start) > EPCS_TIMEOUT) - return (-1); - return (readl (&epcs->rxdata)); -} - -static unsigned char bitrev[] = { - 0x00, 0x08, 0x04, 0x0c, 0x02, 0x0a, 0x06, 0x0e, - 0x01, 0x09, 0x05, 0x0d, 0x03, 0x0b, 0x07, 0x0f -}; - -static unsigned char epcs_bitrev (unsigned char c) -{ - unsigned char val; - - val = bitrev[c>>4]; - val |= bitrev[c & 0x0f]<<4; - return (val); -} - -static void epcs_rcv (unsigned char *dst, int len) -{ - while (len--) { - epcs_tx (0); - *dst++ = epcs_rx (); - } -} - -static void epcs_rrcv (unsigned char *dst, int len) -{ - while (len--) { - epcs_tx (0); - *dst++ = epcs_bitrev (epcs_rx ()); - } -} - -static void epcs_snd (unsigned char *src, int len) -{ - while (len--) { - epcs_tx (*src++); - epcs_rx (); - } -} - -static void epcs_rsnd (unsigned char *src, int len) -{ - while (len--) { - epcs_tx (epcs_bitrev (*src++)); - epcs_rx (); - } -} - -static void epcs_wr_enable (void) -{ - epcs_cs (1); - epcs_tx (EPCS_WRITE_ENA); - epcs_rx (); - epcs_cs (0); -} - -static unsigned char epcs_status_rd (void) -{ - unsigned char status; - - epcs_cs (1); - epcs_tx (EPCS_READ_STAT); - epcs_rx (); - epcs_tx (0); - status = epcs_rx (); - epcs_cs (0); - return (status); -} - -static void epcs_status_wr (unsigned char status) -{ - epcs_wr_enable (); - epcs_cs (1); - epcs_tx (EPCS_WRITE_STAT); - epcs_rx (); - epcs_tx (status); - epcs_rx (); - epcs_cs (0); - return; -} - -/*********************************************************************** - * Device information - ***********************************************************************/ - -static struct epcs_devinfo_t devinfo[] = { - { "EPCS1 ", 0x10, 17, 4, 15, 8, 0x0c }, - { "EPCS4 ", 0x12, 19, 8, 16, 8, 0x1c }, - { "EPCS16", 0x14, 21, 32, 16, 8, 0x1c }, - { "EPCS64", 0x16, 23,128, 16, 8, 0x1c }, - { 0, 0, 0, 0, 0, 0 } -}; - -int epcs_reset (void) -{ - /* When booting from an epcs controller, the epcs bootrom - * code may leave the slave select in an asserted state. - * This causes two problems: (1) The initial epcs access - * will fail -- not a big deal, and (2) a software reset - * will cause the bootrom code to hang since it does not - * ensure the select is negated prior to first access -- a - * big deal. Here we just negate chip select and everything - * gets better :-) - */ - epcs_cs (0); /* Negate chip select */ - return (0); -} - -epcs_devinfo_t *epcs_dev_find (void) -{ - unsigned char buf[4]; - unsigned char id; - int i; - struct epcs_devinfo_t *dev = NULL; - - /* Read silicon id requires 3 "dummy bytes" before it's put - * on the wire. - */ - buf[0] = EPCS_READ_ID; - buf[1] = 0; - buf[2] = 0; - buf[3] = 0; - - epcs_cs (1); - epcs_snd (buf,4); - epcs_rcv (buf,1); - if (epcs_cs (0) == -1) - return (NULL); - id = buf[0]; - - /* Find the info struct */ - i = 0; - while (devinfo[i].name) { - if (id == devinfo[i].id) { - dev = &devinfo[i]; - break; - } - i++; - } - - return (dev); -} - -/*********************************************************************** - * Misc Utilities - ***********************************************************************/ -int epcs_cfgsz (void) -{ - int sz = 0; - unsigned char buf[128]; - unsigned char *p; - struct epcs_devinfo_t *dev = epcs_dev_find (); - - if (!dev) - return (-1); - - /* Read in the first 128 bytes of the device */ - buf[0] = EPCS_READ_BYTES; - buf[1] = 0; - buf[2] = 0; - buf[3] = 0; - - epcs_cs (1); - epcs_snd (buf,4); - epcs_rrcv (buf, sizeof(buf)); - epcs_cs (0); - - /* Search for the starting 0x6a which is followed by the - * 4-byte 'register' and 4-byte bit-count. - */ - p = buf; - while (p < buf + sizeof(buf)-8) { - if ( *p == 0x6a ) { - /* Point to bit count and extract */ - p += 5; - sz = *p++; - sz |= *p++ << 8; - sz |= *p++ << 16; - sz |= *p++ << 24; - /* Convert to byte count */ - sz += 7; - sz >>= 3; - } else if (*p == 0xff) { - /* 0xff is ok ... just skip */ - p++; - continue; - } else { - /* Not 0xff or 0x6a ... something's not - * right ... report 'unknown' (sz=0). - */ - break; - } - } - return (sz); -} - -int epcs_erase (unsigned start, unsigned end) -{ - unsigned off, sectsz; - unsigned char buf[4]; - struct epcs_devinfo_t *dev = epcs_dev_find (); - - if (!dev || (start>end)) - return (-1); - - /* Erase the requested sectors. An address is required - * that lies within the requested sector -- we'll just - * use the first address in the sector. - */ - printf ("epcs erasing sector %d ", start); - if (start != end) - printf ("to %d ", end); - sectsz = (1 << dev->sz_sect); - while (start <= end) { - off = start * sectsz; - start++; - - buf[0] = EPCS_ERASE_SECT; - buf[1] = off >> 16; - buf[2] = off >> 8; - buf[3] = off; - - epcs_wr_enable (); - epcs_cs (1); - epcs_snd (buf,4); - epcs_cs (0); - - printf ("."); /* Some user feedback */ - - /* Wait for erase to complete */ - while (epcs_status_rd() & EPCS_STATUS_WIP) - ; - } - printf (" done.\n"); - return (0); -} - -int epcs_read (ulong addr, ulong off, ulong cnt) -{ - unsigned char buf[4]; - struct epcs_devinfo_t *dev = epcs_dev_find (); - - if (!dev) - return (-1); - - buf[0] = EPCS_READ_BYTES; - buf[1] = off >> 16; - buf[2] = off >> 8; - buf[3] = off; - - epcs_cs (1); - epcs_snd (buf,4); - epcs_rrcv ((unsigned char *)addr, cnt); - epcs_cs (0); - - return (0); -} - -int epcs_write (ulong addr, ulong off, ulong cnt) -{ - ulong wrcnt; - unsigned pgsz; - unsigned char buf[4]; - struct epcs_devinfo_t *dev = epcs_dev_find (); - - if (!dev) - return (-1); - - pgsz = (1<<dev->sz_page); - while (cnt) { - if (off % pgsz) - wrcnt = pgsz - (off % pgsz); - else - wrcnt = pgsz; - wrcnt = (wrcnt > cnt) ? cnt : wrcnt; - - buf[0] = EPCS_WRITE_BYTES; - buf[1] = off >> 16; - buf[2] = off >> 8; - buf[3] = off; - - epcs_wr_enable (); - epcs_cs (1); - epcs_snd (buf,4); - epcs_rsnd ((unsigned char *)addr, wrcnt); - epcs_cs (0); - - /* Wait for write to complete */ - while (epcs_status_rd() & EPCS_STATUS_WIP) - ; - - cnt -= wrcnt; - off += wrcnt; - addr += wrcnt; - } - - return (0); -} - -int epcs_verify (ulong addr, ulong off, ulong cnt, ulong *err) -{ - ulong rdcnt; - unsigned char buf[256]; - unsigned char *start,*end; - int i; - - start = end = (unsigned char *)addr; - while (cnt) { - rdcnt = (cnt>sizeof(buf)) ? sizeof(buf) : cnt; - epcs_read ((ulong)buf, off, rdcnt); - for (i=0; i<rdcnt; i++) { - if (*end != buf[i]) { - *err = end - start; - return(-1); - } - end++; - } - cnt -= rdcnt; - off += rdcnt; - } - return (0); -} - -static int epcs_sect_erased (int sect, unsigned *offset, - struct epcs_devinfo_t *dev) -{ - unsigned char buf[128]; - unsigned off, end; - unsigned sectsz; - int i; - - sectsz = (1 << dev->sz_sect); - off = sectsz * sect; - end = off + sectsz; - - while (off < end) { - epcs_read ((ulong)buf, off, sizeof(buf)); - for (i=0; i < sizeof(buf); i++) { - if (buf[i] != 0xff) { - *offset = off + i; - return (0); - } - } - off += sizeof(buf); - } - return (1); -} - - -/*********************************************************************** - * Commands - ***********************************************************************/ -static -void do_epcs_info (struct epcs_devinfo_t *dev, int argc, char * const argv[]) -{ - int i; - unsigned char stat; - unsigned tmp; - int erased; - - /* Basic device info */ - printf ("%s: %d kbytes (%d sectors x %d kbytes," - " %d bytes/page)\n", - dev->name, 1 << (dev->size-10), - dev->num_sects, 1 << (dev->sz_sect-10), - 1 << dev->sz_page ); - - /* Status -- for now protection is all-or-nothing */ - stat = epcs_status_rd(); - printf ("status: 0x%02x (WIP:%d, WEL:%d, PROT:%s)\n", - stat, - (stat & EPCS_STATUS_WIP) ? 1 : 0, - (stat & EPCS_STATUS_WEL) ? 1 : 0, - (stat & dev->prot_mask) ? "on" : "off" ); - - /* Configuration */ - tmp = epcs_cfgsz (); - if (tmp) { - printf ("config: 0x%06x (%d) bytes\n", tmp, tmp ); - } else { - printf ("config: unknown\n" ); - } - - /* Sector info */ - for (i=0; (i < dev->num_sects) && (argc > 1); i++) { - erased = epcs_sect_erased (i, &tmp, dev); - if ((i & 0x03) == 0) printf ("\n"); - printf ("%4d: %07x ", - i, i*(1<<dev->sz_sect) ); - if (erased) - printf ("E "); - else - printf (" "); - } - printf ("\n"); - - return; -} - -static -void do_epcs_erase (struct epcs_devinfo_t *dev, int argc, char * const argv[]) -{ - unsigned start,end; - - if ((argc < 3) || (argc > 4)) { - printf ("USAGE: epcs erase sect [end]\n"); - return; - } - if ((epcs_status_rd() & dev->prot_mask) != 0) { - printf ( "epcs: device protected.\n"); - return; - } - - start = simple_strtoul (argv[2], NULL, 10); - if (argc > 3) - end = simple_strtoul (argv[3], NULL, 10); - else - end = start; - if ((start >= dev->num_sects) || (start > end)) { - printf ("epcs: invalid sector range: [%d:%d]\n", - start, end ); - return; - } - - epcs_erase (start, end); - - return; -} - -static -void do_epcs_protect (struct epcs_devinfo_t *dev, int argc, char * const argv[]) -{ - unsigned char stat; - - /* For now protection is all-or-nothing to keep things - * simple. The protection bits don't map in a linear - * fashion ... and we would rather protect the bottom - * of the device since it contains the config data and - * leave the top unprotected for app use. But unfortunately - * protection works from top-to-bottom so it does - * really help very much from a software app point-of-view. - */ - if (argc < 3) { - printf ("USAGE: epcs protect on | off\n"); - return; - } - if (!dev) - return; - - /* Protection on/off is just a matter of setting/clearing - * all protection bits in the status register. - */ - stat = epcs_status_rd (); - if (strcmp ("on", argv[2]) == 0) { - stat |= dev->prot_mask; - } else if (strcmp ("off", argv[2]) == 0 ) { - stat &= ~dev->prot_mask; - } else { - printf ("epcs: unknown protection: %s\n", argv[2]); - return; - } - epcs_status_wr (stat); - return; -} - -static -void do_epcs_read (struct epcs_devinfo_t *dev, int argc, char * const argv[]) -{ - ulong addr,off,cnt; - ulong sz; - - if (argc < 5) { - printf ("USAGE: epcs read addr offset count\n"); - return; - } - - sz = 1 << dev->size; - addr = simple_strtoul (argv[2], NULL, 16); - off = simple_strtoul (argv[3], NULL, 16); - cnt = simple_strtoul (argv[4], NULL, 16); - if (off > sz) { - printf ("offset is greater than device size" - "... aborting.\n"); - return; - } - if ((off + cnt) > sz) { - printf ("request exceeds device size" - "... truncating.\n"); - cnt = sz - off; - } - printf ("epcs: read %08lx <- %06lx (0x%lx bytes)\n", - addr, off, cnt); - epcs_read (addr, off, cnt); - - return; -} - -static -void do_epcs_write (struct epcs_devinfo_t *dev, int argc, char * const argv[]) -{ - ulong addr,off,cnt; - ulong sz; - ulong err; - - if (argc < 5) { - printf ("USAGE: epcs write addr offset count\n"); - return; - } - if ((epcs_status_rd() & dev->prot_mask) != 0) { - printf ( "epcs: device protected.\n"); - return; - } - - sz = 1 << dev->size; - addr = simple_strtoul (argv[2], NULL, 16); - off = simple_strtoul (argv[3], NULL, 16); - cnt = simple_strtoul (argv[4], NULL, 16); - if (off > sz) { - printf ("offset is greater than device size" - "... aborting.\n"); - return; - } - if ((off + cnt) > sz) { - printf ("request exceeds device size" - "... truncating.\n"); - cnt = sz - off; - } - printf ("epcs: write %08lx -> %06lx (0x%lx bytes)\n", - addr, off, cnt); - epcs_write (addr, off, cnt); - if (epcs_verify (addr, off, cnt, &err) != 0) - printf ("epcs: write error at offset %06lx\n", err); - - return; -} - -static -void do_epcs_verify (struct epcs_devinfo_t *dev, int argc, char * const argv[]) -{ - ulong addr,off,cnt; - ulong sz; - ulong err; - - if (argc < 5) { - printf ("USAGE: epcs verify addr offset count\n"); - return; - } - - sz = 1 << dev->size; - addr = simple_strtoul (argv[2], NULL, 16); - off = simple_strtoul (argv[3], NULL, 16); - cnt = simple_strtoul (argv[4], NULL, 16); - if (off > sz) { - printf ("offset is greater than device size" - "... aborting.\n"); - return; - } - if ((off + cnt) > sz) { - printf ("request exceeds device size" - "... truncating.\n"); - cnt = sz - off; - } - printf ("epcs: verify %08lx -> %06lx (0x%lx bytes)\n", - addr, off, cnt); - if (epcs_verify (addr, off, cnt, &err) != 0) - printf ("epcs: verify error at offset %06lx\n", err); - - return; -} - -/*-----------------------------------------------------------------------*/ -int do_epcs (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - int len; - struct epcs_devinfo_t *dev = epcs_dev_find (); - - if (!dev) { - printf ("epcs: device not found.\n"); - return (-1); - } - - if (argc < 2) { - do_epcs_info (dev, argc, argv); - return (0); - } - - len = strlen (argv[1]); - if (strncmp ("info", argv[1], len) == 0) { - do_epcs_info (dev, argc, argv); - } else if (strncmp ("erase", argv[1], len) == 0) { - do_epcs_erase (dev, argc, argv); - } else if (strncmp ("protect", argv[1], len) == 0) { - do_epcs_protect (dev, argc, argv); - } else if (strncmp ("read", argv[1], len) == 0) { - do_epcs_read (dev, argc, argv); - } else if (strncmp ("write", argv[1], len) == 0) { - do_epcs_write (dev, argc, argv); - } else if (strncmp ("verify", argv[1], len) == 0) { - do_epcs_verify (dev, argc, argv); - } else { - printf ("epcs: unknown operation: %s\n", argv[1]); - } - - return (0); -} - -/*-----------------------------------------------------------------------*/ - - -U_BOOT_CMD( epcs, 5, 0, do_epcs, SHORT_HELP, LONG_HELP ); - -#endif /* CONFIG_NIOS_EPCS */ diff --git a/qemu/roms/u-boot/arch/nios2/cpu/exceptions.S b/qemu/roms/u-boot/arch/nios2/cpu/exceptions.S deleted file mode 100644 index f5fa8d745..000000000 --- a/qemu/roms/u-boot/arch/nios2/cpu/exceptions.S +++ /dev/null @@ -1,139 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <config.h> -#include <asm/opcodes.h> - - - .text - .align 4 - - .global _exception - - .set noat - .set nobreak - -_exception: - /* SAVE ALL REGS -- this allows trap and unimplemented - * instruction handlers to be coded conveniently in C - */ - addi sp, sp, -(33*4) - stw r0, 0(sp) - stw r1, 4(sp) - stw r2, 8(sp) - stw r3, 12(sp) - stw r4, 16(sp) - stw r5, 20(sp) - stw r6, 24(sp) - stw r7, 28(sp) - stw r8, 32(sp) - stw r9, 36(sp) - stw r10, 40(sp) - stw r11, 44(sp) - stw r12, 48(sp) - stw r13, 52(sp) - stw r14, 56(sp) - stw r15, 60(sp) - stw r16, 64(sp) - stw r17, 68(sp) - stw r19, 72(sp) - stw r19, 76(sp) - stw r20, 80(sp) - stw r21, 84(sp) - stw r22, 88(sp) - stw r23, 92(sp) - stw r24, 96(sp) - stw r25, 100(sp) - stw r26, 104(sp) - stw r27, 108(sp) - stw r28, 112(sp) - stw r29, 116(sp) - stw r30, 120(sp) - stw r31, 124(sp) - rdctl et, estatus - stw et, 128(sp) - - /* If interrupts are disabled -- software interrupt */ - rdctl et, estatus - andi et, et, 1 - beq et, r0, 0f - - /* If no interrupts are pending -- software interrupt */ - rdctl et, ipending - beq et, r0, 0f - - /* HARDWARE INTERRUPT: Call interrupt handler */ - movhi r3, %hi(external_interrupt) - ori r3, r3, %lo(external_interrupt) - mov r4, sp /* ptr to regs */ - callr r3 - - /* Return address fixup: execution resumes by re-issue of - * interrupted instruction at ea-4 (ea == r29). Here we do - * simple fixup to allow common exception return. - */ - ldw r3, 116(sp) - addi r3, r3, -4 - stw r3, 116(sp) - br _exception_return - -0: - /* TRAP EXCEPTION */ - movhi r3, %hi(OPC_TRAP) - ori r3, r3, %lo(OPC_TRAP) - addi r1, ea, -4 - ldw r1, 0(r1) - bne r1, r3, 1f - movhi r3, %hi(trap_handler) - ori r3, r3, %lo(trap_handler) - mov r4, sp /* ptr to regs */ - callr r3 - br _exception_return - -1: - /* UNIMPLEMENTED INSTRUCTION EXCEPTION */ - movhi r3, %hi(soft_emulation) - ori r3, r3, %lo(soft_emulation) - mov r4, sp /* ptr to regs */ - callr r3 - - /* Restore regsisters and return from exception*/ -_exception_return: - ldw r1, 4(sp) - ldw r2, 8(sp) - ldw r3, 12(sp) - ldw r4, 16(sp) - ldw r5, 20(sp) - ldw r6, 24(sp) - ldw r7, 28(sp) - ldw r8, 32(sp) - ldw r9, 36(sp) - ldw r10, 40(sp) - ldw r11, 44(sp) - ldw r12, 48(sp) - ldw r13, 52(sp) - ldw r14, 56(sp) - ldw r15, 60(sp) - ldw r16, 64(sp) - ldw r17, 68(sp) - ldw r19, 72(sp) - ldw r19, 76(sp) - ldw r20, 80(sp) - ldw r21, 84(sp) - ldw r22, 88(sp) - ldw r23, 92(sp) - ldw r24, 96(sp) - ldw r25, 100(sp) - ldw r26, 104(sp) - ldw r27, 108(sp) - ldw r28, 112(sp) - ldw r29, 116(sp) - ldw r30, 120(sp) - ldw r31, 124(sp) - addi sp, sp, (33*4) - eret -/*-------------------------------------------------------------*/ diff --git a/qemu/roms/u-boot/arch/nios2/cpu/fdt.c b/qemu/roms/u-boot/arch/nios2/cpu/fdt.c deleted file mode 100644 index 4d88f169d..000000000 --- a/qemu/roms/u-boot/arch/nios2/cpu/fdt.c +++ /dev/null @@ -1,36 +0,0 @@ -/* - * (C) Copyright 2011, Missing Link Electronics - * Joachim Foerster <joachim@missinglinkelectronics.com> - * - * Taken from arch/powerpc/cpu/ppc4xx/fdt.c: - * - * (C) Copyright 2007-2008 - * Stefan Roese, DENX Software Engineering, sr@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> - -#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) -#include <libfdt.h> -#include <fdt_support.h> - -DECLARE_GLOBAL_DATA_PTR; - -void __ft_board_setup(void *blob, bd_t *bd) -{ - ft_cpu_setup(blob, bd); -} -void ft_board_setup(void *blob, bd_t *bd) \ - __attribute__((weak, alias("__ft_board_setup"))); - -void ft_cpu_setup(void *blob, bd_t *bd) -{ - /* - * Fixup all ethernet nodes - * Note: aliases in the dts are required for this - */ - fdt_fixup_ethernet(blob); -} -#endif /* CONFIG_OF_LIBFDT && CONFIG_OF_BOARD_SETUP */ diff --git a/qemu/roms/u-boot/arch/nios2/cpu/interrupts.c b/qemu/roms/u-boot/arch/nios2/cpu/interrupts.c deleted file mode 100644 index c4bed2253..000000000 --- a/qemu/roms/u-boot/arch/nios2/cpu/interrupts.c +++ /dev/null @@ -1,264 +0,0 @@ -/* - * (C) Copyright 2000-2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - - -#include <nios2.h> -#include <nios2-io.h> -#include <asm/types.h> -#include <asm/io.h> -#include <asm/ptrace.h> -#include <common.h> -#include <command.h> -#include <watchdog.h> -#ifdef CONFIG_STATUS_LED -#include <status_led.h> -#endif - -#if defined(CONFIG_SYS_NIOS_TMRBASE) && !defined(CONFIG_SYS_NIOS_TMRIRQ) -#error CONFIG_SYS_NIOS_TMRIRQ not defined (see documentation) -#endif - -/****************************************************************************/ - -struct irq_action { - interrupt_handler_t *handler; - void *arg; - int count; -}; - -static struct irq_action vecs[32]; - -/*************************************************************************/ -volatile ulong timestamp = 0; - -void reset_timer (void) -{ - nios_timer_t *tmr =(nios_timer_t *)CONFIG_SYS_NIOS_TMRBASE; - - /* From Embedded Peripherals Handbook: - * - * "When the hardware is configured with Writeable period - * disabled, writing to one of the period_n registers causes - * the counter to reset to the fixed Timeout Period specified - * at system generation time." - * - * Here we force a reload to prevent early timeouts from - * get_timer() when the interrupt period is greater than - * than 1 msec. - * - * Simply write to periodl with its own value to force an - * internal counter reload, THEN reset the timestamp. - */ - writel (readl (&tmr->periodl), &tmr->periodl); - timestamp = 0; - - /* From Embedded Peripherals Handbook: - * - * "Writing to one of the period_n registers stops the internal - * counter, except when the hardware is configured with Start/Stop - * control bits off. If Start/Stop control bits is off, writing - * either register does not stop the counter." - * - * In order to accomodate either configuration, the control - * register is re-written. If the counter is stopped, it will - * be restarted. If it is running, the write is essentially - * a nop. - */ - writel (NIOS_TIMER_ITO | NIOS_TIMER_CONT | NIOS_TIMER_START, - &tmr->control); - -} - -ulong get_timer (ulong base) -{ - WATCHDOG_RESET (); - return (timestamp - base); -} - -/* - * This function is derived from Blackfin code (read timebase as long long). - * On Nios2 it just returns the timer value. - */ -unsigned long long get_ticks(void) -{ - return get_timer(0); -} - -/* - * This function is derived from Blackfin code. - * On Nios2 it returns the number of timer ticks per second. - */ -ulong get_tbclk(void) -{ - ulong tbclk; - - tbclk = CONFIG_SYS_HZ; - return tbclk; -} - -/* The board must handle this interrupt if a timer is not - * provided. - */ -#if defined(CONFIG_SYS_NIOS_TMRBASE) -void tmr_isr (void *arg) -{ - nios_timer_t *tmr = (nios_timer_t *)arg; - /* Interrupt is cleared by writing anything to the - * status register. - */ - writel (0, &tmr->status); - timestamp += CONFIG_SYS_NIOS_TMRMS; -#ifdef CONFIG_STATUS_LED - status_led_tick(timestamp); -#endif -} - -static void tmr_init (void) -{ - nios_timer_t *tmr =(nios_timer_t *)CONFIG_SYS_NIOS_TMRBASE; - - writel (0, &tmr->status); - writel (0, &tmr->control); - writel (NIOS_TIMER_STOP, &tmr->control); - -#if defined(CONFIG_SYS_NIOS_TMRCNT) - writel (CONFIG_SYS_NIOS_TMRCNT & 0xffff, &tmr->periodl); - writel ((CONFIG_SYS_NIOS_TMRCNT >> 16) & 0xffff, &tmr->periodh); -#endif - writel (NIOS_TIMER_ITO | NIOS_TIMER_CONT | NIOS_TIMER_START, - &tmr->control); - irq_install_handler (CONFIG_SYS_NIOS_TMRIRQ, tmr_isr, (void *)tmr); -} - -#endif /* CONFIG_SYS_NIOS_TMRBASE */ - -/*************************************************************************/ -int disable_interrupts (void) -{ - int val = rdctl (CTL_STATUS); - wrctl (CTL_STATUS, val & ~STATUS_IE); - return (val & STATUS_IE); -} - -void enable_interrupts( void ) -{ - int val = rdctl (CTL_STATUS); - wrctl (CTL_STATUS, val | STATUS_IE); -} - -void external_interrupt (struct pt_regs *regs) -{ - unsigned irqs; - struct irq_action *act; - - /* Evaluate only irqs that are both enabled AND pending */ - irqs = rdctl (CTL_IENABLE) & rdctl (CTL_IPENDING); - act = vecs; - - /* Assume (as does the Nios2 HAL) that bit 0 is highest - * priority. NOTE: There is ALWAYS a handler assigned - * (the default if no other). - */ - while (irqs) { - if (irqs & 1) { - act->handler (act->arg); - act->count++; - } - irqs >>=1; - act++; - } -} - -static void def_hdlr (void *arg) -{ - unsigned irqs = rdctl (CTL_IENABLE); - - /* Disable the individual interrupt -- with gratuitous - * warning. - */ - irqs &= ~(1 << (int)arg); - wrctl (CTL_IENABLE, irqs); - printf ("WARNING: Disabling unhandled interrupt: %d\n", - (int)arg); -} - -/*************************************************************************/ -void irq_install_handler (int irq, interrupt_handler_t *hdlr, void *arg) -{ - - int flag; - struct irq_action *act; - unsigned ena = rdctl (CTL_IENABLE); - - if ((irq < 0) || (irq > 31)) - return; - act = &vecs[irq]; - - flag = disable_interrupts (); - if (hdlr) { - act->handler = hdlr; - act->arg = arg; - ena |= (1 << irq); /* enable */ - } else { - act->handler = def_hdlr; - act->arg = (void *)irq; - ena &= ~(1 << irq); /* disable */ - } - wrctl (CTL_IENABLE, ena); - if (flag) enable_interrupts (); -} - - -int interrupt_init (void) -{ - int i; - - /* Assign the default handler to all */ - for (i = 0; i < 32; i++) { - vecs[i].handler = def_hdlr; - vecs[i].arg = (void *)i; - vecs[i].count = 0; - } - -#if defined(CONFIG_SYS_NIOS_TMRBASE) - tmr_init (); -#endif - - enable_interrupts (); - return (0); -} - - -/*************************************************************************/ -#if defined(CONFIG_CMD_IRQ) -int do_irqinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - int i; - struct irq_action *act = vecs; - - printf ("\nInterrupt-Information:\n\n"); - printf ("Nr Routine Arg Count\n"); - printf ("-----------------------------\n"); - - for (i=0; i<32; i++) { - if (act->handler != def_hdlr) { - printf ("%02d %08lx %08lx %d\n", - i, - (ulong)act->handler, - (ulong)act->arg, - act->count); - } - act++; - } - printf ("\n"); - - return (0); -} -#endif diff --git a/qemu/roms/u-boot/arch/nios2/cpu/start.S b/qemu/roms/u-boot/arch/nios2/cpu/start.S deleted file mode 100644 index 7ce0d34d7..000000000 --- a/qemu/roms/u-boot/arch/nios2/cpu/start.S +++ /dev/null @@ -1,186 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <asm-offsets.h> -#include <config.h> -#include <version.h> - -/************************************************************************* - * RESTART - ************************************************************************/ - - .text - .global _start - -_start: - wrctl status, r0 /* Disable interrupts */ - /* ICACHE INIT -- only the icache line at the reset address - * is invalidated at reset. So the init must stay within - * the cache line size (8 words). If GERMS is used, we'll - * just be invalidating the cache a second time. If cache - * is not implemented initi behaves as nop. - */ - ori r4, r0, %lo(CONFIG_SYS_ICACHELINE_SIZE) - movhi r5, %hi(CONFIG_SYS_ICACHE_SIZE) - ori r5, r5, %lo(CONFIG_SYS_ICACHE_SIZE) -0: initi r5 - sub r5, r5, r4 - bgt r5, r0, 0b - br _except_end /* Skip the tramp */ - - /* EXCEPTION TRAMPOLINE -- the following gets copied - * to the exception address (below), but is otherwise at the - * default exception vector offset (0x0020). - */ -_except_start: - movhi et, %hi(_exception) - ori et, et, %lo(_exception) - jmp et -_except_end: - - /* INTERRUPTS -- for now, all interrupts masked and globally - * disabled. - */ - wrctl ienable, r0 /* All disabled */ - - /* DCACHE INIT -- if dcache not implemented, initd behaves as - * nop. - */ - movhi r4, %hi(CONFIG_SYS_DCACHELINE_SIZE) - ori r4, r4, %lo(CONFIG_SYS_DCACHELINE_SIZE) - movhi r5, %hi(CONFIG_SYS_DCACHE_SIZE) - ori r5, r5, %lo(CONFIG_SYS_DCACHE_SIZE) - mov r6, r0 -1: initd 0(r6) - add r6, r6, r4 - bltu r6, r5, 1b - - /* RELOCATE CODE, DATA & COMMAND TABLE -- the following code - * assumes code, data and the command table are all - * contiguous. This lets us relocate everything as a single - * block. Make sure the linker script matches this ;-) - */ - nextpc r4 -_cur: movhi r5, %hi(_cur - _start) - ori r5, r5, %lo(_cur - _start) - sub r4, r4, r5 /* r4 <- cur _start */ - mov r8, r4 - movhi r5, %hi(_start) - ori r5, r5, %lo(_start) /* r5 <- linked _start */ - beq r4, r5, 3f - - movhi r6, %hi(_edata) - ori r6, r6, %lo(_edata) -2: ldwio r7, 0(r4) - addi r4, r4, 4 - stwio r7, 0(r5) - addi r5, r5, 4 - bne r5, r6, 2b -3: - - /* ZERO BSS/SBSS -- bss and sbss are assumed to be adjacent - * and between __bss_start and __bss_end. - */ - movhi r5, %hi(__bss_start) - ori r5, r5, %lo(__bss_start) - movhi r6, %hi(__bss_end) - ori r6, r6, %lo(__bss_end) - beq r5, r6, 5f - -4: stwio r0, 0(r5) - addi r5, r5, 4 - bne r5, r6, 4b -5: - - /* JUMP TO RELOC ADDR */ - movhi r4, %hi(_reloc) - ori r4, r4, %lo(_reloc) - jmp r4 -_reloc: - - /* COPY EXCEPTION TRAMPOLINE -- copy the tramp to the - * exception address. Define CONFIG_ROM_STUBS to prevent - * the copy (e.g. exception in flash or in other - * softare/firmware component). - */ -#if !defined(CONFIG_ROM_STUBS) - movhi r4, %hi(_except_start) - ori r4, r4, %lo(_except_start) - movhi r5, %hi(_except_end) - ori r5, r5, %lo(_except_end) - movhi r6, %hi(CONFIG_SYS_EXCEPTION_ADDR) - ori r6, r6, %lo(CONFIG_SYS_EXCEPTION_ADDR) - beq r4, r6, 7f /* Skip if at proper addr */ - -6: ldwio r7, 0(r4) - stwio r7, 0(r6) - addi r4, r4, 4 - addi r6, r6, 4 - bne r4, r5, 6b -7: -#endif - - /* STACK INIT -- zero top two words for call back chain. - */ - movhi sp, %hi(CONFIG_SYS_INIT_SP) - ori sp, sp, %lo(CONFIG_SYS_INIT_SP) - addi sp, sp, -8 - stw r0, 0(sp) - stw r0, 4(sp) - mov fp, sp - - /* - * Call board_init -- never returns - */ - movhi r4, %hi(board_init@h) - ori r4, r4, %lo(board_init@h) - callr r4 - - /* NEVER RETURNS -- but branch to the _start just - * in case ;-) - */ - br _start - - -/* - * dly_clks -- Nios2 (like Nios1) doesn't have a timebase in - * the core. For simple delay loops, we do our best by counting - * instruction cycles. - * - * Instruction performance varies based on the core. For cores - * with icache and static/dynamic branch prediction (II/f, II/s): - * - * Normal ALU (e.g. add, cmp, etc): 1 cycle - * Branch (correctly predicted, taken): 2 cycles - * Negative offset is predicted (II/s). - * - * For cores without icache and no branch prediction (II/e): - * - * Normal ALU (e.g. add, cmp, etc): 6 cycles - * Branch (no prediction): 6 cycles - * - * For simplicity, if an instruction cache is implemented we - * assume II/f or II/s. Otherwise, we use the II/e. - * - */ - .globl dly_clks - -dly_clks: - -#if (CONFIG_SYS_ICACHE_SIZE > 0) - subi r4, r4, 3 /* 3 clocks/loop */ -#else - subi r4, r4, 12 /* 12 clocks/loop */ -#endif - bge r4, r0, dly_clks - ret - - .data - .globl version_string - -version_string: - .ascii U_BOOT_VERSION_STRING, "\0" diff --git a/qemu/roms/u-boot/arch/nios2/cpu/sysid.c b/qemu/roms/u-boot/arch/nios2/cpu/sysid.c deleted file mode 100644 index 943bff8d2..000000000 --- a/qemu/roms/u-boot/arch/nios2/cpu/sysid.c +++ /dev/null @@ -1,42 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> - -#if defined (CONFIG_SYS_NIOS_SYSID_BASE) - -#include <command.h> -#include <asm/io.h> -#include <nios2-io.h> -#include <linux/time.h> - -void display_sysid (void) -{ - struct nios_sysid_t *sysid = (struct nios_sysid_t *)CONFIG_SYS_NIOS_SYSID_BASE; - struct tm t; - char asc[32]; - time_t stamp; - - stamp = readl (&sysid->timestamp); - localtime_r (&stamp, &t); - asctime_r (&t, asc); - printf ("SYSID : %08lx, %s", readl (&sysid->id), asc); - -} - -int do_sysid (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - display_sysid (); - return (0); -} - -U_BOOT_CMD( - sysid, 1, 1, do_sysid, - "display Nios-II system id", - "" -); -#endif /* CONFIG_SYS_NIOS_SYSID_BASE */ diff --git a/qemu/roms/u-boot/arch/nios2/cpu/traps.c b/qemu/roms/u-boot/arch/nios2/cpu/traps.c deleted file mode 100644 index 07ed6e445..000000000 --- a/qemu/roms/u-boot/arch/nios2/cpu/traps.c +++ /dev/null @@ -1,26 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <asm/ptrace.h> -#include <common.h> - -void trap_handler (struct pt_regs *regs) -{ - /* Just issue warning */ - printf ("\n\n*** WARNING: unimplemented trap @ %08x\n\n", - regs->reg[29] - 4); -} - -void soft_emulation (struct pt_regs *regs) -{ - /* TODO: Software emulation of mul/div etc. Until this is - * implemented, generate warning and hang. - */ - printf ("\n\n*** ERROR: unimplemented instruction @ %08x\n", - regs->reg[29] - 4); - hang (); -} diff --git a/qemu/roms/u-boot/arch/nios2/cpu/u-boot.lds b/qemu/roms/u-boot/arch/nios2/cpu/u-boot.lds deleted file mode 100644 index be92e8edf..000000000 --- a/qemu/roms/u-boot/arch/nios2/cpu/u-boot.lds +++ /dev/null @@ -1,117 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - - -OUTPUT_FORMAT("elf32-littlenios2") -OUTPUT_ARCH(nios2) -ENTRY(_start) - -SECTIONS -{ - .text : - { - arch/nios2/cpu/start.o (.text) - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) - *(.gnu.linkonce.r*) - } - . = ALIGN (4); - _etext = .; - PROVIDE (etext = .); - - /* CMD TABLE - sandwich this in between text and data so - * the initialization code relocates the command table as - * well -- admittedly, this is just pure laziness ;-) - */ - - . = ALIGN(4); - .u_boot_list : { - KEEP(*(SORT(.u_boot_list*))); - } - - /* INIT DATA sections - "Small" data (see the gcc -G option) - * is always gp-relative. Here we make all init data sections - * adjacent to simplify the startup code -- and provide - * the global pointer for gp-relative access. - */ - _data = .; - .data : - { - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - } - - . = ALIGN(16); - _gp = .; /* Global pointer addr */ - PROVIDE (gp = .); - - .sdata : - { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s.*) - } - . = ALIGN(4); - - _edata = .; - PROVIDE (edata = .); - - /* UNINIT DATA - Small uninitialized data is first so it's - * adjacent to sdata and can be referenced via gp. The normal - * bss follows. We keep it adjacent to simplify init code. - */ - __bss_start = .; - .sbss (NOLOAD) : - { - *(.sbss) - *(.sbss.*) - *(.gnu.linkonce.sb.*) - *(.scommon) - } - . = ALIGN(4); - .bss (NOLOAD) : - { - *(.bss) - *(.bss.*) - *(.dynbss) - *(COMMON) - *(.scommon) - } - . = ALIGN(4); - __bss_end = .; - PROVIDE (end = .); - - /* DEBUG -- symbol table, string table, etc. etc. - */ - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - .stab.excl 0 : { *(.stab.excl) } - .stab.exclstr 0 : { *(.stab.exclstr) } - .stab.index 0 : { *(.stab.index) } - .stab.indexstr 0 : { *(.stab.indexstr) } - .comment 0 : { *(.comment) } - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - .debug_info 0 : { *(.debug_info) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } -} diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/bitops.h b/qemu/roms/u-boot/arch/nios2/include/asm/bitops.h deleted file mode 100644 index 3e17964f2..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/bitops.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_NIOS2_BITOPS_H_ -#define __ASM_NIOS2_BITOPS_H_ - -/* copied from linux-2.6/include/asm-generic/bitops */ -#include <asm/bitops/atomic.h> -#include <asm/bitops/non-atomic.h> -#include <asm/bitops/ffs.h> - -#endif /* __ASM_NIOS2_BITOPS_H */ diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/bitops/atomic.h b/qemu/roms/u-boot/arch/nios2/include/asm/bitops/atomic.h deleted file mode 100644 index c8946465e..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/bitops/atomic.h +++ /dev/null @@ -1,189 +0,0 @@ -#ifndef _ASM_GENERIC_BITOPS_ATOMIC_H_ -#define _ASM_GENERIC_BITOPS_ATOMIC_H_ - -#include <asm/types.h> -#include <asm/system.h> - -#ifdef CONFIG_SMP -#include <asm/spinlock.h> -#include <asm/cache.h> /* we use L1_CACHE_BYTES */ - -/* Use an array of spinlocks for our atomic_ts. - * Hash function to index into a different SPINLOCK. - * Since "a" is usually an address, use one spinlock per cacheline. - */ -# define ATOMIC_HASH_SIZE 4 -# define ATOMIC_HASH(a) (&(__atomic_hash[ (((unsigned long) a)/L1_CACHE_BYTES) & (ATOMIC_HASH_SIZE-1) ])) - -extern raw_spinlock_t __atomic_hash[ATOMIC_HASH_SIZE] __lock_aligned; - -/* Can't use raw_spin_lock_irq because of #include problems, so - * this is the substitute */ -#define _atomic_spin_lock_irqsave(l,f) do { \ - raw_spinlock_t *s = ATOMIC_HASH(l); \ - local_irq_save(f); \ - __raw_spin_lock(s); \ -} while(0) - -#define _atomic_spin_unlock_irqrestore(l,f) do { \ - raw_spinlock_t *s = ATOMIC_HASH(l); \ - __raw_spin_unlock(s); \ - local_irq_restore(f); \ -} while(0) - - -#else -# define _atomic_spin_lock_irqsave(l,f) do { local_irq_save(f); } while (0) -# define _atomic_spin_unlock_irqrestore(l,f) do { local_irq_restore(f); } while (0) -#endif - -/* - * NMI events can occur at any time, including when interrupts have been - * disabled by *_irqsave(). So you can get NMI events occurring while a - * *_bit function is holding a spin lock. If the NMI handler also wants - * to do bit manipulation (and they do) then you can get a deadlock - * between the original caller of *_bit() and the NMI handler. - * - * by Keith Owens - */ - -/** - * set_bit - Atomically set a bit in memory - * @nr: the bit to set - * @addr: the address to start counting from - * - * This function is atomic and may not be reordered. See __set_bit() - * if you do not require the atomic guarantees. - * - * Note: there are no guarantees that this function will not be reordered - * on non x86 architectures, so if you are writing portable code, - * make sure not to rely on its reordering guarantees. - * - * Note that @nr may be almost arbitrarily large; this function is not - * restricted to acting on a single-word quantity. - */ -static inline void set_bit(int nr, volatile unsigned long *addr) -{ - unsigned long mask = BIT_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); - unsigned long flags; - - _atomic_spin_lock_irqsave(p, flags); - *p |= mask; - _atomic_spin_unlock_irqrestore(p, flags); -} - -/** - * clear_bit - Clears a bit in memory - * @nr: Bit to clear - * @addr: Address to start counting from - * - * clear_bit() is atomic and may not be reordered. However, it does - * not contain a memory barrier, so if it is used for locking purposes, - * you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit() - * in order to ensure changes are visible on other processors. - */ -static inline void clear_bit(int nr, volatile unsigned long *addr) -{ - unsigned long mask = BIT_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); - unsigned long flags; - - _atomic_spin_lock_irqsave(p, flags); - *p &= ~mask; - _atomic_spin_unlock_irqrestore(p, flags); -} - -/** - * change_bit - Toggle a bit in memory - * @nr: Bit to change - * @addr: Address to start counting from - * - * change_bit() is atomic and may not be reordered. It may be - * reordered on other architectures than x86. - * Note that @nr may be almost arbitrarily large; this function is not - * restricted to acting on a single-word quantity. - */ -static inline void change_bit(int nr, volatile unsigned long *addr) -{ - unsigned long mask = BIT_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); - unsigned long flags; - - _atomic_spin_lock_irqsave(p, flags); - *p ^= mask; - _atomic_spin_unlock_irqrestore(p, flags); -} - -/** - * test_and_set_bit - Set a bit and return its old value - * @nr: Bit to set - * @addr: Address to count from - * - * This operation is atomic and cannot be reordered. - * It may be reordered on other architectures than x86. - * It also implies a memory barrier. - */ -static inline int test_and_set_bit(int nr, volatile unsigned long *addr) -{ - unsigned long mask = BIT_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); - unsigned long old; - unsigned long flags; - - _atomic_spin_lock_irqsave(p, flags); - old = *p; - *p = old | mask; - _atomic_spin_unlock_irqrestore(p, flags); - - return (old & mask) != 0; -} - -/** - * test_and_clear_bit - Clear a bit and return its old value - * @nr: Bit to clear - * @addr: Address to count from - * - * This operation is atomic and cannot be reordered. - * It can be reorderdered on other architectures other than x86. - * It also implies a memory barrier. - */ -static inline int test_and_clear_bit(int nr, volatile unsigned long *addr) -{ - unsigned long mask = BIT_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); - unsigned long old; - unsigned long flags; - - _atomic_spin_lock_irqsave(p, flags); - old = *p; - *p = old & ~mask; - _atomic_spin_unlock_irqrestore(p, flags); - - return (old & mask) != 0; -} - -/** - * test_and_change_bit - Change a bit and return its old value - * @nr: Bit to change - * @addr: Address to count from - * - * This operation is atomic and cannot be reordered. - * It also implies a memory barrier. - */ -static inline int test_and_change_bit(int nr, volatile unsigned long *addr) -{ - unsigned long mask = BIT_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); - unsigned long old; - unsigned long flags; - - _atomic_spin_lock_irqsave(p, flags); - old = *p; - *p = old ^ mask; - _atomic_spin_unlock_irqrestore(p, flags); - - return (old & mask) != 0; -} - -#endif /* _ASM_GENERIC_BITOPS_ATOMIC_H */ diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/bitops/ffs.h b/qemu/roms/u-boot/arch/nios2/include/asm/bitops/ffs.h deleted file mode 100644 index fbbb43af7..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/bitops/ffs.h +++ /dev/null @@ -1,41 +0,0 @@ -#ifndef _ASM_GENERIC_BITOPS_FFS_H_ -#define _ASM_GENERIC_BITOPS_FFS_H_ - -/** - * ffs - find first bit set - * @x: the word to search - * - * This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ -static inline int ffs(int x) -{ - int r = 1; - - if (!x) - return 0; - if (!(x & 0xffff)) { - x >>= 16; - r += 16; - } - if (!(x & 0xff)) { - x >>= 8; - r += 8; - } - if (!(x & 0xf)) { - x >>= 4; - r += 4; - } - if (!(x & 3)) { - x >>= 2; - r += 2; - } - if (!(x & 1)) { - x >>= 1; - r += 1; - } - return r; -} - -#endif /* _ASM_GENERIC_BITOPS_FFS_H_ */ diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/bitops/non-atomic.h b/qemu/roms/u-boot/arch/nios2/include/asm/bitops/non-atomic.h deleted file mode 100644 index 697cc2b7e..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/bitops/non-atomic.h +++ /dev/null @@ -1,108 +0,0 @@ -#ifndef _ASM_GENERIC_BITOPS_NON_ATOMIC_H_ -#define _ASM_GENERIC_BITOPS_NON_ATOMIC_H_ - -#include <asm/types.h> - -/** - * __set_bit - Set a bit in memory - * @nr: the bit to set - * @addr: the address to start counting from - * - * Unlike set_bit(), this function is non-atomic and may be reordered. - * If it's called on the same region of memory simultaneously, the effect - * may be that only one operation succeeds. - */ -static inline void __set_bit(int nr, volatile unsigned long *addr) -{ - unsigned long mask = BIT_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); - - *p |= mask; -} - -static inline void __clear_bit(int nr, volatile unsigned long *addr) -{ - unsigned long mask = BIT_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); - - *p &= ~mask; -} - -/** - * __change_bit - Toggle a bit in memory - * @nr: the bit to change - * @addr: the address to start counting from - * - * Unlike change_bit(), this function is non-atomic and may be reordered. - * If it's called on the same region of memory simultaneously, the effect - * may be that only one operation succeeds. - */ -static inline void __change_bit(int nr, volatile unsigned long *addr) -{ - unsigned long mask = BIT_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); - - *p ^= mask; -} - -/** - * __test_and_set_bit - Set a bit and return its old value - * @nr: Bit to set - * @addr: Address to count from - * - * This operation is non-atomic and can be reordered. - * If two examples of this operation race, one can appear to succeed - * but actually fail. You must protect multiple accesses with a lock. - */ -static inline int __test_and_set_bit(int nr, volatile unsigned long *addr) -{ - unsigned long mask = BIT_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); - unsigned long old = *p; - - *p = old | mask; - return (old & mask) != 0; -} - -/** - * __test_and_clear_bit - Clear a bit and return its old value - * @nr: Bit to clear - * @addr: Address to count from - * - * This operation is non-atomic and can be reordered. - * If two examples of this operation race, one can appear to succeed - * but actually fail. You must protect multiple accesses with a lock. - */ -static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr) -{ - unsigned long mask = BIT_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); - unsigned long old = *p; - - *p = old & ~mask; - return (old & mask) != 0; -} - -/* WARNING: non atomic and it can be reordered! */ -static inline int __test_and_change_bit(int nr, - volatile unsigned long *addr) -{ - unsigned long mask = BIT_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); - unsigned long old = *p; - - *p = old ^ mask; - return (old & mask) != 0; -} - -/** - * test_bit - Determine whether a bit is set - * @nr: bit number to test - * @addr: Address to start counting from - */ -static inline int test_bit(int nr, const volatile unsigned long *addr) -{ - return 1UL & (addr[BIT_WORD(nr)] >> (nr & (BITS_PER_LONG-1))); -} - -#endif /* _ASM_GENERIC_BITOPS_NON_ATOMIC_H_ */ diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/byteorder.h b/qemu/roms/u-boot/arch/nios2/include/asm/byteorder.h deleted file mode 100644 index d52acf814..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/byteorder.h +++ /dev/null @@ -1,20 +0,0 @@ -/* -* (C) Copyright 2004, Psyent Corporation <www.psyent.com> -* Scott McNutt <smcnutt@psyent.com> -* - * SPDX-License-Identifier: GPL-2.0+ -*/ - -#ifndef __ASM_NIOS2_BYTEORDER_H_ -#define __ASM_NIOS2_BYTEORDER_H_ - -#include <asm/types.h> - -#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) -# define __BYTEORDER_HAS_U64__ -# define __SWAB_64_THRU_32__ -#endif - -#include <linux/byteorder/little_endian.h> - -#endif /* __ASM_NIOS2_BYTEORDER_H_ */ diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/cache.h b/qemu/roms/u-boot/arch/nios2/include/asm/cache.h deleted file mode 100644 index 9b87c9f75..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/cache.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_NIOS2_CACHE_H_ -#define __ASM_NIOS2_CACHE_H_ - -extern void flush_dcache (unsigned long start, unsigned long size); -extern void flush_icache (unsigned long start, unsigned long size); - -/* - * Valid L1 data cache line sizes for the NIOS2 architecture are 4, 16, and 32 - * bytes. If the board configuration has not specified one we default to the - * largest of these values for alignment of DMA buffers. - */ -#ifdef CONFIG_SYS_CACHELINE_SIZE -#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE -#else -#define ARCH_DMA_MINALIGN 32 -#endif - -#endif /* __ASM_NIOS2_CACHE_H_ */ diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/config.h b/qemu/roms/u-boot/arch/nios2/include/asm/config.h deleted file mode 100644 index cd2973478..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/config.h +++ /dev/null @@ -1,10 +0,0 @@ -/* - * Copyright 2009 Freescale Semiconductor, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef _ASM_CONFIG_H_ -#define _ASM_CONFIG_H_ - -#endif diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/dma-mapping.h b/qemu/roms/u-boot/arch/nios2/include/asm/dma-mapping.h deleted file mode 100644 index 1350e3b96..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/dma-mapping.h +++ /dev/null @@ -1,23 +0,0 @@ -#ifndef __ASM_NIOS2_DMA_MAPPING_H -#define __ASM_NIOS2_DMA_MAPPING_H - -/* dma_alloc_coherent() return cache-line aligned allocation which is mapped - * to uncached io region. - * - * IO_REGION_BASE should be defined in board config header file - * 0x80000000 for nommu, 0xe0000000 for mmu - */ - -static inline void *dma_alloc_coherent(size_t len, unsigned long *handle) -{ - void *addr = malloc(len + CONFIG_SYS_DCACHELINE_SIZE); - if (!addr) - return 0; - flush_dcache((unsigned long)addr, len + CONFIG_SYS_DCACHELINE_SIZE); - *handle = ((unsigned long)addr + - (CONFIG_SYS_DCACHELINE_SIZE - 1)) & - ~(CONFIG_SYS_DCACHELINE_SIZE - 1) & ~(IO_REGION_BASE); - return (void *)(*handle | IO_REGION_BASE); -} - -#endif /* __ASM_NIOS2_DMA_MAPPING_H */ diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/errno.h b/qemu/roms/u-boot/arch/nios2/include/asm/errno.h deleted file mode 100644 index 4c82b503d..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/errno.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/errno.h> diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/global_data.h b/qemu/roms/u-boot/arch/nios2/include/asm/global_data.h deleted file mode 100644 index 580b0199b..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/global_data.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#ifndef __ASM_NIOS2_GLOBALDATA_H_ -#define __ASM_NIOS2_GLOBALDATA_H_ - -/* Architecture-specific global data */ -struct arch_global_data { -}; - -#include <asm-generic/global_data.h> - -#define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm ("gp") - -#endif /* __ASM_NIOS2_GLOBALDATA_H_ */ diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/gpio.h b/qemu/roms/u-boot/arch/nios2/include/asm/gpio.h deleted file mode 100644 index 908381f5f..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/gpio.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * nios2 gpio driver - * - * This gpio core is described in http://nioswiki.com/GPIO - * bit[0] data - * bit[1] output enable - * - * When CONFIG_SYS_GPIO_BASE is not defined, the board may either - * provide its own driver or the altera_pio driver may be used. - * - * Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_NIOS2_GPIO_H_ -#define _ASM_NIOS2_GPIO_H_ - -#ifdef CONFIG_SYS_GPIO_BASE -#include <asm/io.h> - -static inline int gpio_request(unsigned gpio, const char *label) -{ - return 0; -} - -static inline int gpio_free(unsigned gpio) -{ - return 0; -} - -static inline int gpio_direction_input(unsigned gpio) -{ - writel(1, CONFIG_SYS_GPIO_BASE + (gpio << 2)); - return 0; -} - -static inline int gpio_direction_output(unsigned gpio, int value) -{ - writel(value ? 3 : 2, CONFIG_SYS_GPIO_BASE + (gpio << 2)); - return 0; -} - -static inline int gpio_get_value(unsigned gpio) -{ - return readl(CONFIG_SYS_GPIO_BASE + (gpio << 2)); -} - -static inline void gpio_set_value(unsigned gpio, int value) -{ - writel(value ? 3 : 2, CONFIG_SYS_GPIO_BASE + (gpio << 2)); -} - -static inline int gpio_is_valid(int number) -{ - return ((unsigned)number) < CONFIG_SYS_GPIO_WIDTH; -} -#else -#ifdef CONFIG_ALTERA_PIO -extern int altera_pio_init(u32 base, u8 width, char iot, - u32 rstval, u32 negmask, - const char *label); - -extern void altera_pio_info(void); -#define gpio_status() altera_pio_info() -#endif - -extern int gpio_request(unsigned gpio, const char *label); -extern int gpio_free(unsigned gpio); -extern int gpio_direction_input(unsigned gpio); -extern int gpio_direction_output(unsigned gpio, int value); -extern int gpio_get_value(unsigned gpio); -extern void gpio_set_value(unsigned gpio, int value); -extern int gpio_is_valid(int number); -#endif /* CONFIG_SYS_GPIO_BASE */ - -#endif /* _ASM_NIOS2_GPIO_H_ */ diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/io.h b/qemu/roms/u-boot/arch/nios2/include/asm/io.h deleted file mode 100644 index 69ab23e5f..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/io.h +++ /dev/null @@ -1,114 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_NIOS2_IO_H_ -#define __ASM_NIOS2_IO_H_ - -static inline void sync(void) -{ - __asm__ __volatile__ ("sync" : : : "memory"); -} - -/* - * Given a physical address and a length, return a virtual address - * that can be used to access the memory range with the caching - * properties specified by "flags". - */ -#define MAP_NOCACHE (0) -#define MAP_WRCOMBINE (0) -#define MAP_WRBACK (0) -#define MAP_WRTHROUGH (0) - -static inline void * -map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags) -{ - return (void *)paddr; -} - -/* - * Take down a mapping set up by map_physmem(). - */ -static inline void unmap_physmem(void *vaddr, unsigned long flags) -{ - -} - -static inline phys_addr_t virt_to_phys(void * vaddr) -{ - return (phys_addr_t)(vaddr); -} - -extern unsigned char inb (unsigned char *port); -extern unsigned short inw (unsigned short *port); -extern unsigned inl (unsigned port); - -#define __raw_writeb(v,a) (*(volatile unsigned char *)(a) = (v)) -#define __raw_writew(v,a) (*(volatile unsigned short *)(a) = (v)) -#define __raw_writel(v,a) (*(volatile unsigned int *)(a) = (v)) - -#define __raw_readb(a) (*(volatile unsigned char *)(a)) -#define __raw_readw(a) (*(volatile unsigned short *)(a)) -#define __raw_readl(a) (*(volatile unsigned int *)(a)) - -#define readb(addr)\ - ({unsigned char val;\ - asm volatile( "ldbio %0, 0(%1)" :"=r"(val) : "r" (addr)); val;}) -#define readw(addr)\ - ({unsigned short val;\ - asm volatile( "ldhio %0, 0(%1)" :"=r"(val) : "r" (addr)); val;}) -#define readl(addr)\ - ({unsigned long val;\ - asm volatile( "ldwio %0, 0(%1)" :"=r"(val) : "r" (addr)); val;}) - -#define writeb(val,addr)\ - asm volatile ("stbio %0, 0(%1)" : : "r" (val), "r" (addr)) -#define writew(val,addr)\ - asm volatile ("sthio %0, 0(%1)" : : "r" (val), "r" (addr)) -#define writel(val,addr)\ - asm volatile ("stwio %0, 0(%1)" : : "r" (val), "r" (addr)) - -#define inb(addr) readb(addr) -#define inw(addr) readw(addr) -#define inl(addr) readl(addr) -#define outb(val, addr) writeb(val,addr) -#define outw(val, addr) writew(val,addr) -#define outl(val, addr) writel(val,addr) - -static inline void insb (unsigned long port, void *dst, unsigned long count) -{ - unsigned char *p = dst; - while (count--) *p++ = inb (port); -} -static inline void insw (unsigned long port, void *dst, unsigned long count) -{ - unsigned short *p = dst; - while (count--) *p++ = inw (port); -} -static inline void insl (unsigned long port, void *dst, unsigned long count) -{ - unsigned long *p = dst; - while (count--) *p++ = inl (port); -} - -static inline void outsb (unsigned long port, const void *src, unsigned long count) -{ - const unsigned char *p = src; - while (count--) outb (*p++, port); -} - -static inline void outsw (unsigned long port, const void *src, unsigned long count) -{ - const unsigned short *p = src; - while (count--) outw (*p++, port); -} -static inline void outsl (unsigned long port, const void *src, unsigned long count) -{ - const unsigned long *p = src; - while (count--) outl (*p++, port); -} - -#endif /* __ASM_NIOS2_IO_H_ */ diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/opcodes.h b/qemu/roms/u-boot/arch/nios2/include/asm/opcodes.h deleted file mode 100644 index 69d79b785..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/opcodes.h +++ /dev/null @@ -1,115 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_NIOS2_OPCODES_H_ -#define __ASM_NIOS2_OPCODES_H_ - -#define OPCODE_OP(inst) ((inst) & 0x3f) -#define OPCODE_OPX(inst) (((inst)>>11) & 0x3f) -#define OPCODE_RA(inst) (((inst)>>27) & 01f) -#define OPCODE_RB(inst) (((inst)>>22) & 01f) -#define OPCODE_RC(inst) (((inst)>>17) & 01f) - -/* I-TYPE (immediate) and J-TYPE (jump) opcodes - */ -#define OPCODE_CALL 0x00 -#define OPCODE_LDBU 0x03 -#define OPCODE_ADDI 0x04 -#define OPCODE_STB 0x05 -#define OPCODE_BR 0x06 -#define OPCODE_LDB 0x07 -#define OPCODE_CMPGEI 0x08 -#define OPCODE_LDHU 0x0B -#define OPCODE_ANDI 0x0C -#define OPCODE_STH 0x0D -#define OPCODE_BGE 0x0E -#define OPCODE_LDH 0x0F -#define OPCODE_CMPLTI 0x10 -#define OPCODE_XORI 0x1C -#define OPCODE_ORI 0x14 -#define OPCODE_STW 0x15 -#define OPCODE_BLT 0x16 -#define OPCODE_LDW 0x17 -#define OPCODE_CMPNEI 0x18 -#define OPCODE_BNE 0x1E -#define OPCODE_CMPEQI 0x20 -#define OPCODE_LDBUIO 0x23 -#define OPCODE_MULI 0x24 -#define OPCODE_STBIO 0x25 -#define OPCODE_BEQ 0x26 -#define OPCODE_LDBIO 0x27 -#define OPCODE_CMPGEUI 0x28 -#define OPCODE_ANDHI 0x2C -#define OPCODE_STHIO 0x2D -#define OPCODE_BGEU 0x2E -#define OPCODE_LDHIO 0x2F -#define OPCODE_CMPLTUI 0x30 -#define OPCODE_CUSTOM 0x32 -#define OPCODE_INITD 0x33 -#define OPCODE_ORHI 0x34 -#define OPCODE_STWIO 0x35 -#define OPCODE_BLTU 0x36 -#define OPCODE_LDWIO 0x37 -#define OPCODE_RTYPE 0x3A -#define OPCODE_LDHUIO 0x2B -#define OPCODE_FLUSHD 0x3B -#define OPCODE_XORHI 0x3C - -/* R-Type (register) OPX field encodings - */ -#define OPCODE_ERET 0x01 -#define OPCODE_ROLI 0x02 -#define OPCODE_ROL 0x03 -#define OPCODE_FLUSHP 0x04 -#define OPCODE_RET 0x05 -#define OPCODE_NOR 0x06 -#define OPCODE_MULXUU 0x07 -#define OPCODE_CMPGE 0x08 -#define OPCODE_BRET 0x09 -#define OPCODE_ROR 0x0B -#define OPCODE_FLUSHI 0x0C -#define OPCODE_JMP 0x0D -#define OPCODE_AND 0x0E - -#define OPCODE_CMPLT 0x10 -#define OPCODE_SLLI 0x12 -#define OPCODE_SLL 0x13 -#define OPCODE_OR 0x16 -#define OPCODE_MULXSU 0x17 -#define OPCODE_CMPNE 0x18 -#define OPCODE_SRLI 0x1A -#define OPCODE_SRL 0x1B -#define OPCODE_NEXTPC 0x1C -#define OPCODE_CALLR 0x1D -#define OPCODE_XOR 0x1E -#define OPCODE_MULXSS 0x1F - -#define OPCODE_CMPEQ 0x20 -#define OPCODE_CMPLTU 0x30 -#define OPCODE_ADD 0x31 -#define OPCODE_DIVU 0x24 -#define OPCODE_DIV 0x25 -#define OPCODE_RDCTL 0x26 -#define OPCODE_MUL 0x27 -#define OPCODE_CMPGEU 0x28 -#define OPCODE_TRAP 0x2D -#define OPCODE_WRCTL 0x2E - -#define OPCODE_BREAK 0x34 -#define OPCODE_SYNC 0x36 -#define OPCODE_INITI 0x29 -#define OPCODE_SUB 0x39 -#define OPCODE_SRAI 0x3A -#define OPCODE_SRA 0x3B - -/*Full instruction encodings for R-Type, without the R's ;-) - * - * TODO: BREAK, BRET, ERET, RET, SYNC (as needed) - */ -#define OPC_TRAP 0x003b683a - -#endif /* __ASM_NIOS2_OPCODES_H_ */ diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/posix_types.h b/qemu/roms/u-boot/arch/nios2/include/asm/posix_types.h deleted file mode 100644 index 673364099..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/posix_types.h +++ /dev/null @@ -1,63 +0,0 @@ -#ifndef __ASM_NIOS2_POSIX_TYPES_H_ -#define __ASM_NIOS2_POSIX_TYPES_H_ - -/* - * This file is generally used by user-level software, so you need to - * be a little careful about namespace pollution etc. Also, we cannot - * assume GCC is being used. - */ - -typedef unsigned short __kernel_dev_t; -typedef unsigned long __kernel_ino_t; -typedef unsigned short __kernel_mode_t; -typedef unsigned short __kernel_nlink_t; -typedef long __kernel_off_t; -typedef int __kernel_pid_t; -typedef unsigned short __kernel_ipc_pid_t; -typedef unsigned short __kernel_uid_t; -typedef unsigned short __kernel_gid_t; -typedef unsigned long __kernel_size_t; -typedef long __kernel_ssize_t; -typedef int __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_suseconds_t; -typedef long __kernel_clock_t; -typedef int __kernel_daddr_t; -typedef char * __kernel_caddr_t; -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef unsigned int __kernel_uid32_t; -typedef unsigned int __kernel_gid32_t; - -typedef unsigned short __kernel_old_uid_t; -typedef unsigned short __kernel_old_gid_t; - -#ifdef __GNUC__ -typedef long long __kernel_loff_t; -#endif - -typedef struct { -#if defined(__KERNEL__) || defined(__USE_ALL) - int val[2]; -#else /* !defined(__KERNEL__) && !defined(__USE_ALL) */ - int __val[2]; -#endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */ -} __kernel_fsid_t; - -#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) - -#undef __FD_SET -#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d)) - -#undef __FD_CLR -#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d)) - -#undef __FD_ISSET -#define __FD_ISSET(d, set) ((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) - -#undef __FD_ZERO -#define __FD_ZERO(fdsetp) (memset (fdsetp, 0, sizeof(*(fd_set *)fdsetp))) - -#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */ - -#endif /* __ASM_NIOS2_POSIX_TYPES_H_ */ diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/processor.h b/qemu/roms/u-boot/arch/nios2/include/asm/processor.h deleted file mode 100644 index 28a25c53d..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/processor.h +++ /dev/null @@ -1,10 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_NIOS2_PROCESSOR_H_ -#define __ASM_NIOS2_PROCESSOR_H_ -#endif /* __ASM_NIOS2_PROCESSOR_H_ */ diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/psr.h b/qemu/roms/u-boot/arch/nios2/include/asm/psr.h deleted file mode 100644 index 3ebb2a011..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/psr.h +++ /dev/null @@ -1,12 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_NIOS2_PSR_H_ -#define __ASM_NIOS2_PSR_H_ - - -#endif /* __ASM_NIOS2_PSR_H_ */ diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/ptrace.h b/qemu/roms/u-boot/arch/nios2/include/asm/ptrace.h deleted file mode 100644 index 732e9d7e7..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/ptrace.h +++ /dev/null @@ -1,17 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_NIOS2_PTRACE_H_ -#define __ASM_NIOS2_PTRACE_H_ - -struct pt_regs { - unsigned reg[32]; - unsigned status; -}; - - -#endif /* __ASM_NIOS2_PTRACE_H_ */ diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/sections.h b/qemu/roms/u-boot/arch/nios2/include/asm/sections.h deleted file mode 100644 index f0da75dcf..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/sections.h +++ /dev/null @@ -1,11 +0,0 @@ -/* - * Copyright (c) 2012 The Chromium OS Authors. - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_NIOS2_SECTIONS_H -#define __ASM_NIOS2_SECTIONS_H - -#include <asm-generic/sections.h> - -#endif diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/string.h b/qemu/roms/u-boot/arch/nios2/include/asm/string.h deleted file mode 100644 index aff3a7985..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/string.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#ifndef __ASM_NIOS2_STRING_H_ -#define __ASM_NIOS2_STRING_H_ - -#undef __HAVE_ARCH_STRRCHR -extern char * strrchr(const char * s, int c); - -#undef __HAVE_ARCH_STRCHR -extern char * strchr(const char * s, int c); - -#undef __HAVE_ARCH_MEMCPY -extern void * memcpy(void *, const void *, __kernel_size_t); - -#undef __HAVE_ARCH_MEMMOVE -extern void * memmove(void *, const void *, __kernel_size_t); - -#undef __HAVE_ARCH_MEMCHR -extern void * memchr(const void *, int, __kernel_size_t); - -#undef __HAVE_ARCH_MEMSET -extern void * memset(void *, int, __kernel_size_t); - -#undef __HAVE_ARCH_MEMZERO -extern void memzero(void *ptr, __kernel_size_t n); - -#endif /* __ASM_NIOS2_STRING_H_ */ diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/system.h b/qemu/roms/u-boot/arch/nios2/include/asm/system.h deleted file mode 100644 index 6213a16ed..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/system.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#ifndef __ASM_NIOS2_SYSTEM_H_ -#define __ASM_NIOS2_SYSTEM_H_ - -#define local_irq_enable() __asm__ __volatile__ ( \ - "rdctl r8, status\n" \ - "ori r8, r8, 1\n" \ - "wrctl status, r8\n" \ - : : : "r8") - -#define local_irq_disable() __asm__ __volatile__ ( \ - "rdctl r8, status\n" \ - "andi r8, r8, 0xfffe\n" \ - "wrctl status, r8\n" \ - : : : "r8") - -#define local_save_flags(x) __asm__ __volatile__ ( \ - "rdctl r8, status\n" \ - "mov %0, r8\n" \ - : "=r" (x) : : "r8", "memory") - -#define local_irq_restore(x) __asm__ __volatile__ ( \ - "mov r8, %0\n" \ - "wrctl status, r8\n" \ - : : "r" (x) : "r8", "memory") - -/* For spinlocks etc */ -#define local_irq_save(x) do { local_save_flags(x); local_irq_disable(); } \ - while (0) - -#define irqs_disabled() \ -({ \ - unsigned long flags; \ - local_save_flags(flags); \ - ((flags & NIOS2_STATUS_PIE_MSK) == 0x0); \ -}) - -/* indirect call to go beyond 256MB limitation of toolchain */ -#define nios2_callr(addr) __asm__ __volatile__ ( \ - "callr %0" \ - : : "r" (addr)) - -#endif /* __ASM_NIOS2_SYSTEM_H */ diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/types.h b/qemu/roms/u-boot/arch/nios2/include/asm/types.h deleted file mode 100644 index ea859c077..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/types.h +++ /dev/null @@ -1,60 +0,0 @@ -#ifndef __ASM_NIOS2_TYPES_H_ -#define __ASM_NIOS2_TYPES_H_ - -/* - * This file is never included by application software unless - * explicitly requested (e.g., via linux/types.h) in which case the - * application is Linux specific so (user-) name space pollution is - * not a major issue. However, for interoperability, libraries still - * need to be careful to avoid a name clashes. - */ - -typedef unsigned short umode_t; - -/* - * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the - * header files exported to user space - */ - -typedef __signed__ char __s8; -typedef unsigned char __u8; - -typedef __signed__ short __s16; -typedef unsigned short __u16; - -typedef __signed__ int __s32; -typedef unsigned int __u32; - -#if defined(__GNUC__) -__extension__ typedef __signed__ long long __s64; -__extension__ typedef unsigned long long __u64; -#endif - -/* - * These aren't exported outside the kernel to avoid name space clashes - */ -#ifdef __KERNEL__ - -typedef signed char s8; -typedef unsigned char u8; - -typedef signed short s16; -typedef unsigned short u16; - -typedef signed int s32; -typedef unsigned int u32; - -typedef signed long long s64; -typedef unsigned long long u64; - -#define BITS_PER_LONG 32 - -/* Dma addresses are 32-bits wide. */ - -typedef u32 dma_addr_t; - -typedef unsigned long phys_addr_t; -typedef unsigned long phys_size_t; -#endif /* __KERNEL__ */ - -#endif /* __ASM_NIOS2_TYPES_H */ diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/u-boot.h b/qemu/roms/u-boot/arch/nios2/include/asm/u-boot.h deleted file mode 100644 index 51f6c30ef..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/u-boot.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - * - ******************************************************************** - * NOTE: This header file defines an interface to U-Boot. Including - * this (unmodified) header file in another file is considered normal - * use of U-Boot, and does *not* fall under the heading of "derived - * work". - ******************************************************************** - */ - -#ifndef __ASM_NIOS2_U_BOOT_H_ -#define __ASM_NIOS2_U_BOOT_H_ - -typedef struct bd_info { - unsigned long bi_memstart; /* start of DRAM memory */ - phys_size_t bi_memsize; /* size of DRAM memory in bytes */ - unsigned long bi_flashstart; /* start of FLASH memory */ - unsigned long bi_flashsize; /* size of FLASH memory */ - unsigned long bi_flashoffset; /* reserved area for startup monitor */ - unsigned long bi_sramstart; /* start of SRAM memory */ - unsigned long bi_sramsize; /* size of SRAM memory */ -} bd_t; - -/* For image.h:image_check_target_arch() */ -#define IH_ARCH_DEFAULT IH_ARCH_NIOS2 - -#endif /* __ASM_NIOS2_U_BOOT_H_ */ diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/unaligned.h b/qemu/roms/u-boot/arch/nios2/include/asm/unaligned.h deleted file mode 100644 index 779117c4b..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/unaligned.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_NIOS2_UNALIGNED_H -#define _ASM_NIOS2_UNALIGNED_H - -#include <asm-generic/unaligned.h> - -#endif /* _ASM_NIOS2_UNALIGNED_H */ diff --git a/qemu/roms/u-boot/arch/nios2/lib/Makefile b/qemu/roms/u-boot/arch/nios2/lib/Makefile deleted file mode 100644 index 7cb25c0ee..000000000 --- a/qemu/roms/u-boot/arch/nios2/lib/Makefile +++ /dev/null @@ -1,12 +0,0 @@ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-y += cache.o -obj-y += board.o -obj-$(CONFIG_CMD_BOOTM) += bootm.o -obj-y += libgcc.o -obj-y += time.o diff --git a/qemu/roms/u-boot/arch/nios2/lib/board.c b/qemu/roms/u-boot/arch/nios2/lib/board.c deleted file mode 100644 index f24218ff1..000000000 --- a/qemu/roms/u-boot/arch/nios2/lib/board.c +++ /dev/null @@ -1,147 +0,0 @@ -/* - * (C) Copyright 2003, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * (C) Copyright 2000-2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <stdio_dev.h> -#include <watchdog.h> -#include <malloc.h> -#include <mmc.h> -#include <net.h> -#ifdef CONFIG_STATUS_LED -#include <status_led.h> -#endif -#if defined(CONFIG_SYS_NIOS_EPCSBASE) -#include <nios2-epcs.h> -#endif -#ifdef CONFIG_CMD_NAND -#include <nand.h> /* cannot even include nand.h if it isnt configured */ -#endif - -DECLARE_GLOBAL_DATA_PTR; - -/* - * All attempts to come up with a "common" initialization sequence - * that works for all boards and architectures failed: some of the - * requirements are just _too_ different. To get rid of the resulting - * mess of board dependend #ifdef'ed code we now make the whole - * initialization sequence configurable to the user. - * - * The requirements for any new initalization function is simple: it - * receives a pointer to the "global data" structure as it's only - * argument, and returns an integer return code, where 0 means - * "continue" and != 0 means "fatal error, hang the system". - */ - - -typedef int (init_fnc_t) (void); - - -/************************************************************************ - * Initialization sequence * - ***********************************************************************/ - -init_fnc_t *init_sequence[] = { -#if defined(CONFIG_BOARD_EARLY_INIT_F) - board_early_init_f, /* Call board-specific init code early.*/ -#endif -#if defined(CONFIG_SYS_NIOS_EPCSBASE) - epcs_reset, -#endif - - env_init, - serial_init, - console_init_f, - display_options, - checkcpu, - checkboard, - NULL, /* Terminate this list */ -}; - - -/***********************************************************************/ -void board_init(void) -{ - bd_t *bd; - init_fnc_t **init_fnc_ptr; - static gd_t gd_data; - static bd_t bd_data; - - /* Pointer is writable since we allocated a register for it. */ - gd = &gd_data; - /* compiler optimization barrier needed for GCC >= 3.4 */ - __asm__ __volatile__("" : : : "memory"); - - gd->bd = &bd_data; - gd->baudrate = CONFIG_BAUDRATE; - gd->cpu_clk = CONFIG_SYS_CLK_FREQ; - - bd = gd->bd; - bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; - bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; -#ifndef CONFIG_SYS_NO_FLASH - bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; -#endif -#if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE) - bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; - bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; -#endif - - for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { - WATCHDOG_RESET(); - if ((*init_fnc_ptr) () != 0) - hang(); - } - - WATCHDOG_RESET(); - - /* The Malloc area is immediately below the monitor copy in RAM */ - mem_malloc_init(CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN); - -#ifndef CONFIG_SYS_NO_FLASH - WATCHDOG_RESET(); - bd->bi_flashsize = flash_init(); -#endif - -#ifdef CONFIG_CMD_NAND - puts("NAND: "); - nand_init(); -#endif - -#ifdef CONFIG_GENERIC_MMC - puts("MMC: "); - mmc_initialize(bd); -#endif - - WATCHDOG_RESET(); - env_relocate(); - - WATCHDOG_RESET(); - stdio_init(); - jumptable_init(); - console_init_r(); - - WATCHDOG_RESET(); - interrupt_init(); - -#if defined(CONFIG_BOARD_LATE_INIT) - board_late_init(); -#endif - -#if defined(CONFIG_CMD_NET) - puts("Net: "); - eth_initialize(bd); -#endif - - /* main_loop */ - for (;;) { - WATCHDOG_RESET(); - main_loop(); - } -} diff --git a/qemu/roms/u-boot/arch/nios2/lib/bootm.c b/qemu/roms/u-boot/arch/nios2/lib/bootm.c deleted file mode 100644 index c730a3fd0..000000000 --- a/qemu/roms/u-boot/arch/nios2/lib/bootm.c +++ /dev/null @@ -1,61 +0,0 @@ -/* - * (C) Copyright 2003, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <command.h> -#include <asm/byteorder.h> -#include <asm/cache.h> - -#define NIOS_MAGIC 0x534f494e /* enable command line and initrd passing */ - -int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *images) -{ - void (*kernel)(int, int, int, char *) = (void *)images->ep; - char *commandline = getenv("bootargs"); - ulong initrd_start = images->rd_start; - ulong initrd_end = images->rd_end; - char *of_flat_tree = NULL; -#if defined(CONFIG_OF_LIBFDT) - /* did generic code already find a device tree? */ - if (images->ft_len) - of_flat_tree = images->ft_addr; -#endif - if (!of_flat_tree && argc > 1) - of_flat_tree = (char *)simple_strtoul(argv[1], NULL, 16); - if (of_flat_tree) - initrd_end = (ulong)of_flat_tree; - - /* - * allow the PREP bootm subcommand, it is required for bootm to work - */ - if (flag & BOOTM_STATE_OS_PREP) - return 0; - - if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) - return 1; - - /* flushes data and instruction caches before calling the kernel */ - disable_interrupts(); - flush_dcache((ulong)kernel, CONFIG_SYS_DCACHE_SIZE); - flush_icache((ulong)kernel, CONFIG_SYS_ICACHE_SIZE); - - debug("bootargs=%s @ 0x%lx\n", commandline, (ulong)&commandline); - debug("initrd=0x%lx-0x%lx\n", (ulong)initrd_start, (ulong)initrd_end); - /* kernel parameters passing - * r4 : NIOS magic - * r5 : initrd start - * r6 : initrd end or fdt - * r7 : kernel command line - * fdt is passed to kernel via r6, the same as initrd_end. fdt will be - * verified with fdt magic. when both initrd and fdt are used at the - * same time, fdt must follow immediately after initrd. - */ - kernel(NIOS_MAGIC, initrd_start, initrd_end, commandline); - /* does not return */ - - return 1; -} diff --git a/qemu/roms/u-boot/arch/nios2/lib/cache.S b/qemu/roms/u-boot/arch/nios2/lib/cache.S deleted file mode 100644 index 683f00599..000000000 --- a/qemu/roms/u-boot/arch/nios2/lib/cache.S +++ /dev/null @@ -1,68 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <config.h> - - .text - - .global flush_dcache - -flush_dcache: - add r5, r5, r4 - movhi r8, %hi(CONFIG_SYS_DCACHELINE_SIZE) - ori r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE) -0: flushd 0(r4) - add r4, r4, r8 - bltu r4, r5, 0b - ret - - - .global flush_icache - -flush_icache: - add r5, r5, r4 - movhi r8, %hi(CONFIG_SYS_ICACHELINE_SIZE) - ori r8, r8, %lo(CONFIG_SYS_ICACHELINE_SIZE) -1: flushi r4 - add r4, r4, r8 - bltu r4, r5, 1b - ret - - .global flush_dcache_range - -flush_dcache_range: - movhi r8, %hi(CONFIG_SYS_DCACHELINE_SIZE) - ori r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE) -0: flushd 0(r4) - add r4, r4, r8 - bltu r4, r5, 0b - ret - - .global flush_cache - -flush_cache: - add r5, r5, r4 - mov r9, r4 - mov r10, r5 - - movhi r8, %hi(CONFIG_SYS_DCACHELINE_SIZE) - ori r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE) -0: flushd 0(r4) - add r4, r4, r8 - bltu r4, r5, 0b - - mov r4, r9 - mov r5, r10 - movhi r8, %hi(CONFIG_SYS_ICACHELINE_SIZE) - ori r8, r8, %lo(CONFIG_SYS_ICACHELINE_SIZE) -1: flushi r4 - add r4, r4, r8 - bltu r4, r5, 1b - - sync - flushp - ret diff --git a/qemu/roms/u-boot/arch/nios2/lib/libgcc.c b/qemu/roms/u-boot/arch/nios2/lib/libgcc.c deleted file mode 100644 index cf1b83692..000000000 --- a/qemu/roms/u-boot/arch/nios2/lib/libgcc.c +++ /dev/null @@ -1,579 +0,0 @@ -/* - * This file is part of GNU CC. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -typedef unsigned int UWtype; -typedef unsigned int UHWtype; -typedef unsigned long long UDWtype; -#define W_TYPE_SIZE 32 - -typedef unsigned char UQItype; -typedef long SItype; -typedef unsigned long USItype; -typedef long long DItype; -typedef unsigned long long DSItype; - -#include "longlong.h" - - -typedef int word_type; -typedef long Wtype; -typedef long long DWtype; - -struct DWstruct { Wtype low, high;}; - -typedef union -{ - struct DWstruct s; - DWtype ll; -} DWunion; - -#define BITS_PER_UNIT 8 - -UDWtype -__udivmoddi4 (UDWtype n, UDWtype d, UDWtype *rp); - -const UQItype __clz_tab[256] = -{ - 0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5, - 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 -}; - - -DWtype -__ashldi3 (DWtype u, word_type b) -{ - if (b == 0) - return u; - - const DWunion uu = {.ll = u}; - const word_type bm = (sizeof (Wtype) * BITS_PER_UNIT) - b; - DWunion w; - - if (bm <= 0) - { - w.s.low = 0; - w.s.high = (UWtype) uu.s.low << -bm; - } - else - { - const UWtype carries = (UWtype) uu.s.low >> bm; - - w.s.low = (UWtype) uu.s.low << b; - w.s.high = ((UWtype) uu.s.high << b) | carries; - } - - return w.ll; -} - -DWtype -__ashrdi3 (DWtype u, word_type b) -{ - if (b == 0) - return u; - - const DWunion uu = {.ll = u}; - const word_type bm = (sizeof (Wtype) * BITS_PER_UNIT) - b; - DWunion w; - - if (bm <= 0) - { - /* w.s.high = 1..1 or 0..0 */ - w.s.high = uu.s.high >> (sizeof (Wtype) * BITS_PER_UNIT - 1); - w.s.low = uu.s.high >> -bm; - } - else - { - const UWtype carries = (UWtype) uu.s.high << bm; - - w.s.high = uu.s.high >> b; - w.s.low = ((UWtype) uu.s.low >> b) | carries; - } - - return w.ll; -} - -DWtype -__lshrdi3 (DWtype u, word_type b) -{ - if (b == 0) - return u; - - const DWunion uu = {.ll = u}; - const word_type bm = (sizeof (Wtype) * BITS_PER_UNIT) - b; - DWunion w; - - if (bm <= 0) - { - w.s.high = 0; - w.s.low = (UWtype) uu.s.high >> -bm; - } - else - { - const UWtype carries = (UWtype) uu.s.high << bm; - - w.s.high = (UWtype) uu.s.high >> b; - w.s.low = ((UWtype) uu.s.low >> b) | carries; - } - - return w.ll; -} - -word_type -__cmpdi2 (DWtype a, DWtype b) -{ - const DWunion au = {.ll = a}; - const DWunion bu = {.ll = b}; - - if (au.s.high < bu.s.high) - return 0; - else if (au.s.high > bu.s.high) - return 2; - if ((UWtype) au.s.low < (UWtype) bu.s.low) - return 0; - else if ((UWtype) au.s.low > (UWtype) bu.s.low) - return 2; - return 1; -} - -UDWtype -__udivmoddi4 (UDWtype n, UDWtype d, UDWtype *rp) -{ - const DWunion nn = {.ll = n}; - const DWunion dd = {.ll = d}; - DWunion rr; - UWtype d0, d1, n0, n1, n2; - UWtype q0, q1; - UWtype b, bm; - - d0 = dd.s.low; - d1 = dd.s.high; - n0 = nn.s.low; - n1 = nn.s.high; - -#if !UDIV_NEEDS_NORMALIZATION - if (d1 == 0) - { - if (d0 > n1) - { - /* 0q = nn / 0D */ - - udiv_qrnnd (q0, n0, n1, n0, d0); - q1 = 0; - - /* Remainder in n0. */ - } - else - { - /* qq = NN / 0d */ - - if (d0 == 0) - d0 = 1 / d0; /* Divide intentionally by zero. */ - - udiv_qrnnd (q1, n1, 0, n1, d0); - udiv_qrnnd (q0, n0, n1, n0, d0); - - /* Remainder in n0. */ - } - - if (rp != 0) - { - rr.s.low = n0; - rr.s.high = 0; - *rp = rr.ll; - } - } - -#else /* UDIV_NEEDS_NORMALIZATION */ - - if (d1 == 0) - { - if (d0 > n1) - { - /* 0q = nn / 0D */ - - count_leading_zeros (bm, d0); - - if (bm != 0) - { - /* Normalize, i.e. make the most significant bit of the - denominator set. */ - - d0 = d0 << bm; - n1 = (n1 << bm) | (n0 >> (W_TYPE_SIZE - bm)); - n0 = n0 << bm; - } - - udiv_qrnnd (q0, n0, n1, n0, d0); - q1 = 0; - - /* Remainder in n0 >> bm. */ - } - else - { - /* qq = NN / 0d */ - - if (d0 == 0) - d0 = 1 / d0; /* Divide intentionally by zero. */ - - count_leading_zeros (bm, d0); - - if (bm == 0) - { - /* From (n1 >= d0) /\ (the most significant bit of d0 is set), - conclude (the most significant bit of n1 is set) /\ (the - leading quotient digit q1 = 1). - - This special case is necessary, not an optimization. - (Shifts counts of W_TYPE_SIZE are undefined.) */ - - n1 -= d0; - q1 = 1; - } - else - { - /* Normalize. */ - - b = W_TYPE_SIZE - bm; - - d0 = d0 << bm; - n2 = n1 >> b; - n1 = (n1 << bm) | (n0 >> b); - n0 = n0 << bm; - - udiv_qrnnd (q1, n1, n2, n1, d0); - } - - /* n1 != d0... */ - - udiv_qrnnd (q0, n0, n1, n0, d0); - - /* Remainder in n0 >> bm. */ - } - - if (rp != 0) - { - rr.s.low = n0 >> bm; - rr.s.high = 0; - *rp = rr.ll; - } - } -#endif /* UDIV_NEEDS_NORMALIZATION */ - - else - { - if (d1 > n1) - { - /* 00 = nn / DD */ - - q0 = 0; - q1 = 0; - - /* Remainder in n1n0. */ - if (rp != 0) - { - rr.s.low = n0; - rr.s.high = n1; - *rp = rr.ll; - } - } - else - { - /* 0q = NN / dd */ - - count_leading_zeros (bm, d1); - if (bm == 0) - { - /* From (n1 >= d1) /\ (the most significant bit of d1 is set), - conclude (the most significant bit of n1 is set) /\ (the - quotient digit q0 = 0 or 1). - - This special case is necessary, not an optimization. */ - - /* The condition on the next line takes advantage of that - n1 >= d1 (true due to program flow). */ - if (n1 > d1 || n0 >= d0) - { - q0 = 1; - sub_ddmmss (n1, n0, n1, n0, d1, d0); - } - else - q0 = 0; - - q1 = 0; - - if (rp != 0) - { - rr.s.low = n0; - rr.s.high = n1; - *rp = rr.ll; - } - } - else - { - UWtype m1, m0; - /* Normalize. */ - - b = W_TYPE_SIZE - bm; - - d1 = (d1 << bm) | (d0 >> b); - d0 = d0 << bm; - n2 = n1 >> b; - n1 = (n1 << bm) | (n0 >> b); - n0 = n0 << bm; - - udiv_qrnnd (q0, n1, n2, n1, d1); - umul_ppmm (m1, m0, q0, d0); - - if (m1 > n1 || (m1 == n1 && m0 > n0)) - { - q0--; - sub_ddmmss (m1, m0, m1, m0, d1, d0); - } - - q1 = 0; - - /* Remainder in (n1n0 - m1m0) >> bm. */ - if (rp != 0) - { - sub_ddmmss (n1, n0, n1, n0, m1, m0); - rr.s.low = (n1 << b) | (n0 >> bm); - rr.s.high = n1 >> bm; - *rp = rr.ll; - } - } - } - } - - const DWunion ww = {{.low = q0, .high = q1}}; - return ww.ll; -} - -DWtype -__divdi3 (DWtype u, DWtype v) -{ - word_type c = 0; - DWunion uu = {.ll = u}; - DWunion vv = {.ll = v}; - DWtype w; - - if (uu.s.high < 0) - c = ~c, - uu.ll = -uu.ll; - if (vv.s.high < 0) - c = ~c, - vv.ll = -vv.ll; - - w = __udivmoddi4 (uu.ll, vv.ll, (UDWtype *) 0); - if (c) - w = -w; - - return w; -} - -DWtype -__negdi2 (DWtype u) -{ - const DWunion uu = {.ll = u}; - const DWunion w = { {.low = -uu.s.low, - .high = -uu.s.high - ((UWtype) -uu.s.low > 0) } }; - - return w.ll; -} - - -DWtype -__muldi3 (DWtype u, DWtype v) -{ - const DWunion uu = {.ll = u}; - const DWunion vv = {.ll = v}; - DWunion w = {.ll = __umulsidi3 (uu.s.low, vv.s.low)}; - - w.s.high += ((UWtype) uu.s.low * (UWtype) vv.s.high - + (UWtype) uu.s.high * (UWtype) vv.s.low); - - return w.ll; -} - -DWtype -__moddi3 (DWtype u, DWtype v) -{ - word_type c = 0; - DWunion uu = {.ll = u}; - DWunion vv = {.ll = v}; - DWtype w; - - if (uu.s.high < 0) - c = ~c, - uu.ll = -uu.ll; - if (vv.s.high < 0) - vv.ll = -vv.ll; - - (void) __udivmoddi4 (uu.ll, vv.ll, (UDWtype*)&w); - if (c) - w = -w; - - return w; -} - -word_type -__ucmpdi2 (DWtype a, DWtype b) -{ - const DWunion au = {.ll = a}; - const DWunion bu = {.ll = b}; - - if ((UWtype) au.s.high < (UWtype) bu.s.high) - return 0; - else if ((UWtype) au.s.high > (UWtype) bu.s.high) - return 2; - if ((UWtype) au.s.low < (UWtype) bu.s.low) - return 0; - else if ((UWtype) au.s.low > (UWtype) bu.s.low) - return 2; - return 1; -} - - -UDWtype -__udivdi3 (UDWtype n, UDWtype d) -{ - return __udivmoddi4 (n, d, (UDWtype *) 0); -} - -UDWtype -__umoddi3 (UDWtype u, UDWtype v) -{ - UDWtype w; - (void) __udivmoddi4 (u, v, &w); - - return w; -} - -static USItype -udivmodsi4(USItype num, USItype den, word_type modwanted) -{ - USItype bit = 1; - USItype res = 0; - - while (den < num && bit && !(den & (1L<<31))) - { - den <<=1; - bit <<=1; - } - while (bit) - { - if (num >= den) - { - num -= den; - res |= bit; - } - bit >>=1; - den >>=1; - } - if (modwanted) return num; - return res; -} - -SItype -__divsi3 (SItype a, SItype b) -{ - word_type neg = 0; - SItype res; - - if (a < 0) - { - a = -a; - neg = !neg; - } - - if (b < 0) - { - b = -b; - neg = !neg; - } - - res = udivmodsi4 (a, b, 0); - - if (neg) - res = -res; - - return res; -} - - -SItype -__udivsi3 (SItype a, SItype b) -{ - return udivmodsi4 (a, b, 0); -} - - -SItype -__modsi3 (SItype a, SItype b) -{ - word_type neg = 0; - SItype res; - - if (a < 0) - { - a = -a; - neg = 1; - } - - if (b < 0) - b = -b; - - res = udivmodsi4 (a, b, 1); - - if (neg) - res = -res; - - return res; -} - -SItype -__mulsi3 (SItype a, SItype b) -{ - SItype res = 0; - USItype cnt = a; - - while (cnt) - { - if (cnt & 1) - { - res += b; - } - b <<= 1; - cnt >>= 1; - } - - return res; -} - -SItype -__umodsi3 (SItype a, SItype b) - -{ - return udivmodsi4 (a, b, 1); -} - -int -__gcc_bcmp (const unsigned char *s1, const unsigned char *s2, unsigned long size) -{ - while (size > 0) - { - const unsigned char c1 = *s1++, c2 = *s2++; - if (c1 != c2) - return c1 - c2; - size--; - } - return 0; -} diff --git a/qemu/roms/u-boot/arch/nios2/lib/longlong.h b/qemu/roms/u-boot/arch/nios2/lib/longlong.h deleted file mode 100644 index 45ec5f0f1..000000000 --- a/qemu/roms/u-boot/arch/nios2/lib/longlong.h +++ /dev/null @@ -1,251 +0,0 @@ -/* longlong.h -- definitions for mixed size 32/64 bit arithmetic. - Copyright (C) 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2004, - 2005 Free Software Foundation, Inc. - - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* You have to define the following before including this file: - - UWtype -- An unsigned type, default type for operations (typically a "word") - UHWtype -- An unsigned type, at least half the size of UWtype. - UDWtype -- An unsigned type, at least twice as large a UWtype - W_TYPE_SIZE -- size in bits of UWtype - - UQItype -- Unsigned 8 bit type. - SItype, USItype -- Signed and unsigned 32 bit types. - DItype, UDItype -- Signed and unsigned 64 bit types. - - On a 32 bit machine UWtype should typically be USItype; - on a 64 bit machine, UWtype should typically be UDItype. */ - -#define __BITS4 (W_TYPE_SIZE / 4) -#define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2)) -#define __ll_lowpart(t) ((UWtype) (t) & (__ll_B - 1)) -#define __ll_highpart(t) ((UWtype) (t) >> (W_TYPE_SIZE / 2)) - -#ifndef W_TYPE_SIZE -#define W_TYPE_SIZE 32 -#define UWtype USItype -#define UHWtype USItype -#define UDWtype UDItype -#endif - -extern const UQItype __clz_tab[256]; - -/* Define auxiliary asm macros. - - 1) umul_ppmm(high_prod, low_prod, multiplier, multiplicand) multiplies two - UWtype integers MULTIPLIER and MULTIPLICAND, and generates a two UWtype - word product in HIGH_PROD and LOW_PROD. - - 2) __umulsidi3(a,b) multiplies two UWtype integers A and B, and returns a - UDWtype product. This is just a variant of umul_ppmm. - - 3) udiv_qrnnd(quotient, remainder, high_numerator, low_numerator, - denominator) divides a UDWtype, composed by the UWtype integers - HIGH_NUMERATOR and LOW_NUMERATOR, by DENOMINATOR and places the quotient - in QUOTIENT and the remainder in REMAINDER. HIGH_NUMERATOR must be less - than DENOMINATOR for correct operation. If, in addition, the most - significant bit of DENOMINATOR must be 1, then the pre-processor symbol - UDIV_NEEDS_NORMALIZATION is defined to 1. - - 4) sdiv_qrnnd(quotient, remainder, high_numerator, low_numerator, - denominator). Like udiv_qrnnd but the numbers are signed. The quotient - is rounded towards 0. - - 5) count_leading_zeros(count, x) counts the number of zero-bits from the - msb to the first nonzero bit in the UWtype X. This is the number of - steps X needs to be shifted left to set the msb. Undefined for X == 0, - unless the symbol COUNT_LEADING_ZEROS_0 is defined to some value. - - 6) count_trailing_zeros(count, x) like count_leading_zeros, but counts - from the least significant end. - - 7) add_ssaaaa(high_sum, low_sum, high_addend_1, low_addend_1, - high_addend_2, low_addend_2) adds two UWtype integers, composed by - HIGH_ADDEND_1 and LOW_ADDEND_1, and HIGH_ADDEND_2 and LOW_ADDEND_2 - respectively. The result is placed in HIGH_SUM and LOW_SUM. Overflow - (i.e. carry out) is not stored anywhere, and is lost. - - 8) sub_ddmmss(high_difference, low_difference, high_minuend, low_minuend, - high_subtrahend, low_subtrahend) subtracts two two-word UWtype integers, - composed by HIGH_MINUEND_1 and LOW_MINUEND_1, and HIGH_SUBTRAHEND_2 and - LOW_SUBTRAHEND_2 respectively. The result is placed in HIGH_DIFFERENCE - and LOW_DIFFERENCE. Overflow (i.e. carry out) is not stored anywhere, - and is lost. - - If any of these macros are left undefined for a particular CPU, - C macros are used. */ - -/* The CPUs come in alphabetical order below. - - Please add support for more CPUs here, or improve the current support - for the CPUs below! - (E.g. WE32100, IBM360.) */ - -/* Snipped per CPU support */ - -/* If this machine has no inline assembler, use C macros. */ - -#if !defined (add_ssaaaa) -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - do { \ - UWtype __x; \ - __x = (al) + (bl); \ - (sh) = (ah) + (bh) + (__x < (al)); \ - (sl) = __x; \ - } while (0) -#endif - -#if !defined (sub_ddmmss) -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - do { \ - UWtype __x; \ - __x = (al) - (bl); \ - (sh) = (ah) - (bh) - (__x > (al)); \ - (sl) = __x; \ - } while (0) -#endif - -/* If we lack umul_ppmm but have smul_ppmm, define umul_ppmm in terms of - smul_ppmm. */ -#if !defined (umul_ppmm) && defined (smul_ppmm) -#define umul_ppmm(w1, w0, u, v) \ - do { \ - UWtype __w1; \ - UWtype __xm0 = (u), __xm1 = (v); \ - smul_ppmm (__w1, w0, __xm0, __xm1); \ - (w1) = __w1 + (-(__xm0 >> (W_TYPE_SIZE - 1)) & __xm1) \ - + (-(__xm1 >> (W_TYPE_SIZE - 1)) & __xm0); \ - } while (0) -#endif - -/* If we still don't have umul_ppmm, define it using plain C. */ -#if !defined (umul_ppmm) -#define umul_ppmm(w1, w0, u, v) \ - do { \ - UWtype __x0, __x1, __x2, __x3; \ - UHWtype __ul, __vl, __uh, __vh; \ - \ - __ul = __ll_lowpart (u); \ - __uh = __ll_highpart (u); \ - __vl = __ll_lowpart (v); \ - __vh = __ll_highpart (v); \ - \ - __x0 = (UWtype) __ul * __vl; \ - __x1 = (UWtype) __ul * __vh; \ - __x2 = (UWtype) __uh * __vl; \ - __x3 = (UWtype) __uh * __vh; \ - \ - __x1 += __ll_highpart (__x0);/* this can't give carry */ \ - __x1 += __x2; /* but this indeed can */ \ - if (__x1 < __x2) /* did we get it? */ \ - __x3 += __ll_B; /* yes, add it in the proper pos. */ \ - \ - (w1) = __x3 + __ll_highpart (__x1); \ - (w0) = __ll_lowpart (__x1) * __ll_B + __ll_lowpart (__x0); \ - } while (0) -#endif - -#if !defined (__umulsidi3) -#define __umulsidi3(u, v) \ - ({DWunion __w; \ - umul_ppmm (__w.s.high, __w.s.low, u, v); \ - __w.ll; }) -#endif - -/* Define this unconditionally, so it can be used for debugging. */ -#define __udiv_qrnnd_c(q, r, n1, n0, d) \ - do { \ - UWtype __d1, __d0, __q1, __q0; \ - UWtype __r1, __r0, __m; \ - __d1 = __ll_highpart (d); \ - __d0 = __ll_lowpart (d); \ - \ - __r1 = (n1) % __d1; \ - __q1 = (n1) / __d1; \ - __m = (UWtype) __q1 * __d0; \ - __r1 = __r1 * __ll_B | __ll_highpart (n0); \ - if (__r1 < __m) \ - { \ - __q1--, __r1 += (d); \ - if (__r1 >= (d)) /* i.e. we didn't get carry when adding to __r1 */\ - if (__r1 < __m) \ - __q1--, __r1 += (d); \ - } \ - __r1 -= __m; \ - \ - __r0 = __r1 % __d1; \ - __q0 = __r1 / __d1; \ - __m = (UWtype) __q0 * __d0; \ - __r0 = __r0 * __ll_B | __ll_lowpart (n0); \ - if (__r0 < __m) \ - { \ - __q0--, __r0 += (d); \ - if (__r0 >= (d)) \ - if (__r0 < __m) \ - __q0--, __r0 += (d); \ - } \ - __r0 -= __m; \ - \ - (q) = (UWtype) __q1 * __ll_B | __q0; \ - (r) = __r0; \ - } while (0) - -/* If the processor has no udiv_qrnnd but sdiv_qrnnd, go through - __udiv_w_sdiv (defined in libgcc or elsewhere). */ -#if !defined (udiv_qrnnd) && defined (sdiv_qrnnd) -#define udiv_qrnnd(q, r, nh, nl, d) \ - do { \ - USItype __r; \ - (q) = __udiv_w_sdiv (&__r, nh, nl, d); \ - (r) = __r; \ - } while (0) -#endif - -/* If udiv_qrnnd was not defined for this processor, use __udiv_qrnnd_c. */ -#if !defined (udiv_qrnnd) -#define UDIV_NEEDS_NORMALIZATION 1 -#define udiv_qrnnd __udiv_qrnnd_c -#endif - -#if !defined (count_leading_zeros) -#define count_leading_zeros(count, x) \ - do { \ - UWtype __xr = (x); \ - UWtype __a; \ - \ - if (W_TYPE_SIZE <= 32) \ - { \ - __a = __xr < ((UWtype)1<<2*__BITS4) \ - ? (__xr < ((UWtype)1<<__BITS4) ? 0 : __BITS4) \ - : (__xr < ((UWtype)1<<3*__BITS4) ? 2*__BITS4 : 3*__BITS4); \ - } \ - else \ - { \ - for (__a = W_TYPE_SIZE - 8; __a > 0; __a -= 8) \ - if (((__xr >> __a) & 0xff) != 0) \ - break; \ - } \ - \ - (count) = W_TYPE_SIZE - (__clz_tab[__xr >> __a] + __a); \ - } while (0) -#define COUNT_LEADING_ZEROS_0 W_TYPE_SIZE -#endif - -#if !defined (count_trailing_zeros) -/* Define count_trailing_zeros using count_leading_zeros. The latter might be - defined in asm, but if it is not, the C version above is good enough. */ -#define count_trailing_zeros(count, x) \ - do { \ - UWtype __ctz_x = (x); \ - UWtype __ctz_c; \ - count_leading_zeros (__ctz_c, __ctz_x & -__ctz_x); \ - (count) = W_TYPE_SIZE - 1 - __ctz_c; \ - } while (0) -#endif - -#ifndef UDIV_NEEDS_NORMALIZATION -#define UDIV_NEEDS_NORMALIZATION 0 -#endif diff --git a/qemu/roms/u-boot/arch/nios2/lib/time.c b/qemu/roms/u-boot/arch/nios2/lib/time.c deleted file mode 100644 index d39604579..000000000 --- a/qemu/roms/u-boot/arch/nios2/lib/time.c +++ /dev/null @@ -1,22 +0,0 @@ -/* - * (C) Copyright 2003, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <watchdog.h> - - -extern void dly_clks( unsigned long ticks ); - -void __udelay(unsigned long usec) -{ - /* The Nios core doesn't have a timebase, so we do our - * best for now and call a low-level loop that counts - * cpu clocks. - */ - unsigned long cnt = (CONFIG_SYS_CLK_FREQ/1000000) * usec; - dly_clks (cnt); -} |