diff options
Diffstat (limited to 'qemu/roms/SLOF/llfw')
| -rw-r--r-- | qemu/roms/SLOF/llfw/boot_abort.S | 95 | ||||
| -rw-r--r-- | qemu/roms/SLOF/llfw/boot_abort.h | 37 | ||||
| -rw-r--r-- | qemu/roms/SLOF/llfw/clib/Makefile.inc | 42 | ||||
| -rw-r--r-- | qemu/roms/SLOF/llfw/clib/iolib.c | 47 | ||||
| -rw-r--r-- | qemu/roms/SLOF/llfw/clib/iolib.h | 26 | ||||
| -rw-r--r-- | qemu/roms/SLOF/llfw/io_generic/Makefile.inc | 38 | ||||
| -rw-r--r-- | qemu/roms/SLOF/llfw/io_generic/io_generic.S | 129 | ||||
| -rw-r--r-- | qemu/roms/SLOF/llfw/nvramlog.S | 350 | ||||
| -rw-r--r-- | qemu/roms/SLOF/llfw/romfs.S | 362 | ||||
| -rw-r--r-- | qemu/roms/SLOF/llfw/romfs_wrap.c | 22 |
10 files changed, 0 insertions, 1148 deletions
diff --git a/qemu/roms/SLOF/llfw/boot_abort.S b/qemu/roms/SLOF/llfw/boot_abort.S deleted file mode 100644 index 996bdd78a..000000000 --- a/qemu/roms/SLOF/llfw/boot_abort.S +++ /dev/null @@ -1,95 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2004, 2008 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ -#include "macros.h" -#include "termctrl.h" -#include "boot_abort.h" -#include <cpu.h> - -#define MSG_LOOK_HDR TERM_CTRL_BRIGHT, TERM_BG_RED, TERM_FG_WHITE - -ASM_ENTRY(msg_e_crc) - .ascii MSG_LOOK_HDR - .ascii "\n\r\n\rE1001 - Boot ROM CRC failure\n\r" - .ascii TERM_CTRL_RESET, "\0" - .align 2 - -ASM_ENTRY(msg_e_nomem) - .ascii MSG_LOOK_HDR - .ascii "\n\r\n\rE1002 - Memory could not be initialized\n\r" - .ascii TERM_CTRL_RESET, "\0" - .align 2 - -ASM_ENTRY(msg_e_nofile) - .ascii MSG_LOOK_HDR - .ascii "\n\r\n\rE1003 - Firmware image incomplete" - .ascii TERM_CTRL_RESET - .ascii "\n\r internal FLS1-FFS-0.\0" - .align 2 - -ASM_ENTRY(msg_e_ierror) - .ascii MSG_LOOK_HDR - .ascii "\n\r\n\rE1004 - Unspecified Internal Firmware Error" - .ascii TERM_CTRL_RESET - .ascii "\n\r internal FLSX-SE-0.\0" - .align 2 - -/* E1005 : used in memory init code */ - -/***************************************************************************** - * Boot Abort Handler - * - * Input: - * R3 - capability informatin (i/o etc.) - * R4 - handling suggestion - * R5 - error string reference - * R6 - error number - * - * Return: - * if possible input to H8 and NVRAM log and console , then reboot/halt - * - * Input definitions: - * - * R3 bits: 63 (h8/console possible) ... add more - * R4 bits: 63 (do not attempt reboot) - * R5 reference to error message string - * R6 32-bit error enumerator - * - ******************************************************************************/ -ASM_ENTRY(boot_abort) - /* save arguments */ - mr r31, r3 - mr r30, r4 - mr r29, r5 - mr r28, r6 - - /* check if i/o is possible, if yes then print message */ - li r10, ABORT_CANIO - andi. r3, r31, r10 - bne abort_noio - - /* use i/o ..., first print reference message */ - /* then add internal number if != 0 */ - mr r3, r29 - mfspr r4, HSPRG0 /* get runbase */ - or r3, r3, r4 - bl io_print - mr r3, r28 - li r28, 0 - cmpd r3, r28 - beq 0f - bl io_printhex32 -0: - - abort_noio: - b $ // FIXME - /* never reached */ - diff --git a/qemu/roms/SLOF/llfw/boot_abort.h b/qemu/roms/SLOF/llfw/boot_abort.h deleted file mode 100644 index b7082063c..000000000 --- a/qemu/roms/SLOF/llfw/boot_abort.h +++ /dev/null @@ -1,37 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2004, 2008 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ -#ifndef BOOT_ABORT_H -#define BOOT_ABORT_H - -/* boot abort function suitable for assembly */ -#define BOOT_ABORT(cap, action, msg, numhint) \ - li r3, cap; \ - li r4, action; \ - LOAD32(r5, msg); \ - LOAD32(r6, numhint); \ - bl boot_abort - -/* boot abort function suitable called from c (takes r3 as hint) */ -#define BOOT_ABORT_R3HINT(cap, action, msg) \ - mr r6, r3; \ - li r3, cap; \ - li r4, action; \ - LOAD32(r5, msg); \ - bl boot_abort - -#define ABORT_CANIO (1 << 0) -#define ABORT_NOIO (1 << 1) - -#define ALTBOOT (1 << 0) -#define HALT (1 << 1) - -#endif diff --git a/qemu/roms/SLOF/llfw/clib/Makefile.inc b/qemu/roms/SLOF/llfw/clib/Makefile.inc deleted file mode 100644 index 70037989e..000000000 --- a/qemu/roms/SLOF/llfw/clib/Makefile.inc +++ /dev/null @@ -1,42 +0,0 @@ -# ***************************************************************************** -# * Copyright (c) 2004, 2008 IBM Corporation -# * All rights reserved. -# * This program and the accompanying materials -# * are made available under the terms of the BSD License -# * which accompanies this distribution, and is available at -# * http://www.opensource.org/licenses/bsd-license.php -# * -# * Contributors: -# * IBM Corporation - initial implementation -# ****************************************************************************/ - -include ../../make.rules - -CFLAGS_COMLIB = -pedantic -std=gnu99 -O0 -ASFLAGS_COMLIB = - - -COMLIBDIR = $(LLFWCMNDIR)/clib - -COMLIB_SRC_ASM = -COMLIB_SRC_C = iolib.c - -COMLIB_SRCS = $(COMLIB_SRC_ASM:%=$(COMLIBDIR)/%) \ - $(COMLIB_SRC_C:%=$(COMLIBDIR)/%) -COMLIB_OBJ_ASM = $(COMLIB_SRC_ASM:%.S=%.o) -COMLIB_OBJ_C = $(COMLIB_SRC_C:%.c=%.o) - - -comlib.o: $(COMLIB_OBJ_C) $(COMLIB_OBJ_ASM) - $(LD) $(LDFLAGS) $^ -o $@ -r - -%.o: $(LLFWCMNDIR)/clib/%.c - $(CC) $(CPPFLAGS) $(CFLAGS) $(CFLAGS_COMLIB) -c $< -o $@ - -%.o: $(LLFWCMNDIR)/clib/%.S - $(CC) $(CPPFLAGS) $(ASFLAGS) $(ASFLAGS_COMLIB) -c $< -o $@ - -LLFW_CLEAN_TARGETS += clean_clib -.PHONY : clean_clib -clean_clib: - rm -f $(COMLIB_OBJ_C) $(COMLIB_OBJ_ASM) comlib.o diff --git a/qemu/roms/SLOF/llfw/clib/iolib.c b/qemu/roms/SLOF/llfw/clib/iolib.c deleted file mode 100644 index 7f14b512d..000000000 --- a/qemu/roms/SLOF/llfw/clib/iolib.c +++ /dev/null @@ -1,47 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2004, 2008 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -#include <stdint.h> -#include <stddef.h> -#include <unistd.h> -#include "iolib.h" - -void uart_send_byte(unsigned char b) -{ - asm volatile ("":::"3","4","5","6","7"); - io_putchar(b); -} - -/** - * Standard write function for the libc. - * - * @param fd file descriptor (should always be 1 or 2) - * @param buf pointer to the array with the output characters - * @param count number of bytes to be written - * @return the number of bytes that have been written successfully - */ -ssize_t write(int fd, const void *buf, size_t count) -{ - size_t i; - char *ptr = (char *)buf; - - if (fd != 1 && fd != 2) - return 0; - - for (i = 0; i < count; i++) { - if (*ptr == '\n') - uart_send_byte('\r'); - uart_send_byte(*ptr++); - } - - return i; -} diff --git a/qemu/roms/SLOF/llfw/clib/iolib.h b/qemu/roms/SLOF/llfw/clib/iolib.h deleted file mode 100644 index 91450058c..000000000 --- a/qemu/roms/SLOF/llfw/clib/iolib.h +++ /dev/null @@ -1,26 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2004, 2008 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -#ifndef IOLIB_H -#define IOLIB_H - -#include <stdint.h> - -#define addr_t volatile unsigned int -#define addr8_t volatile unsigned char - -extern void halt_sys (unsigned int); - -extern void uart_send_byte(unsigned char b); -extern void io_putchar(unsigned char); - -#endif diff --git a/qemu/roms/SLOF/llfw/io_generic/Makefile.inc b/qemu/roms/SLOF/llfw/io_generic/Makefile.inc deleted file mode 100644 index b6607252f..000000000 --- a/qemu/roms/SLOF/llfw/io_generic/Makefile.inc +++ /dev/null @@ -1,38 +0,0 @@ -# ***************************************************************************** -# * Copyright (c) 2004, 2008 IBM Corporation -# * All rights reserved. -# * This program and the accompanying materials -# * are made available under the terms of the BSD License -# * which accompanies this distribution, and is available at -# * http://www.opensource.org/licenses/bsd-license.php -# * -# * Contributors: -# * IBM Corporation - initial implementation -# ****************************************************************************/ - -IOGENERICDIR = $(LLFWCMNDIR)/io_generic - -IO_GENERIC_SRC_ASM = io_generic.S -IO_GENERIC_SRC_C = - -IO_GENERIC_SRCS = $(IO_GENERIC_SRC_ASM:%=$(IOGENERICDIR)/%) \ - $(IO_GENERIC_SRC_C:%=$(IOGENERICDIR)/%) -IO_GENERIC_OBJ_ASM = $(IO_GENERIC_SRC_ASM:%.S=%.o) -IO_GENERIC_OBJ_C = $(IO_GENERIC_SRC_C:%.c=%.o) - - -io_generic_lib.o: $(IO_GENERIC_OBJ_ASM) $(IO_GENERIC_OBJ_C) - $(LD) $(LDFLAGS) $^ -o $@ -r - - -%.o: $(IOGENERICDIR)/%.c - $(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@ - -%.o: $(IOGENERICDIR)/%.S - $(CC) $(CPPFLAGS) $(ASFLAGS) -c $< -o $@ - - -LLFW_CLEAN_TARGETS += clean_io_generic -.PHONY : clean_io_generic -clean_io_generic: - rm -f $(IO_GENERIC_OBJ_C) $(IO_GENERIC_OBJ_ASM) io_generic_lib.o diff --git a/qemu/roms/SLOF/llfw/io_generic/io_generic.S b/qemu/roms/SLOF/llfw/io_generic/io_generic.S deleted file mode 100644 index 9c1db41a1..000000000 --- a/qemu/roms/SLOF/llfw/io_generic/io_generic.S +++ /dev/null @@ -1,129 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2004, 2008 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ -#include "macros.h" -#include "calculatecrc.h" -#include "calculatecrc.h" - - .text - -/**************************************************************************** - * prints a 0-terminated string to serial console - * - * Input: - * R3 - pointer to string in memory - * - * Returns: - - * - * Modifies Registers: - * R3, R4, R5, R6, R7, R8, R9 - ****************************************************************************/ -ASM_ENTRY(io_print) - mflr r8 - mr r9, r3 - -0: - lbz r3, 0(r9) - cmpwi r3, 0 - beq 1f - bl io_putchar - addi r9, r9, 1 - b 0b -1: - mtlr r8 - blr - -/**************************************************************************** - * prints Hex integer to the UART and the NVRAM (using board io_putchar) - * - * Input: - * R3 - integer to print - * - * Returns: - - * - * Modifies Registers: - * R3, R4, R5, R6, R7, R8, R9 - ****************************************************************************/ -#define _io_gen_print_nib(reg, src, shift) \ - srdi reg, src, shift; \ - andi. reg, reg, 0x0F; \ - cmpwi reg, 0x0A; \ - blt 0f; \ - addi reg, reg, ('A'-'0'-10); \ -0:; \ - addi reg, reg, '0'; \ - bl io_putchar - -ASM_ENTRY(io_printhex64) - mflr r8 - mr r9, r3 - -_io_printhex64: - _io_gen_print_nib(r3, r9, 60) - _io_gen_print_nib(r3, r9, 56) - _io_gen_print_nib(r3, r9, 52) - _io_gen_print_nib(r3, r9, 48) - _io_gen_print_nib(r3, r9, 44) - _io_gen_print_nib(r3, r9, 40) - _io_gen_print_nib(r3, r9, 36) - _io_gen_print_nib(r3, r9, 32) -_io_printhex32: - _io_gen_print_nib(r3, r9, 28) - _io_gen_print_nib(r3, r9, 24) - _io_gen_print_nib(r3, r9, 20) - _io_gen_print_nib(r3, r9, 16) -_io_printhex16: - _io_gen_print_nib(r3, r9, 12) - _io_gen_print_nib(r3, r9, 8) -_io_printhex8: - _io_gen_print_nib(r3, r9, 4) - _io_gen_print_nib(r3, r9, 0) - - mtlr r8 - blr - -ASM_ENTRY(io_printhex32) - mflr r8 - mr r9, r3 - b _io_printhex32 - -ASM_ENTRY(io_printhex16) - mflr r8 - mr r9, r3 - b _io_printhex16 - -ASM_ENTRY(io_printhex8) - mflr r8 - mr r9, r3 - b _io_printhex8 - - -/**************************************************************************** - * print the address and its contents as 64-bit hex values - * - * Input: - * R3 - Address to read from - * - * Returns: - - * - * Modifies Registers: - * R3, R4, R5, R6, R7, R8, R9, R10 - ****************************************************************************/ -#if 0 /* currently unused */ -ASM_ENTRY(io_dump) - mflr r10 - bl io_printhex64 - li r3,':' - bl io_putchar - ld r9,0(r9) - mr r8,r10 - b _io_printhex64 -#endif diff --git a/qemu/roms/SLOF/llfw/nvramlog.S b/qemu/roms/SLOF/llfw/nvramlog.S deleted file mode 100644 index 3ad2de754..000000000 --- a/qemu/roms/SLOF/llfw/nvramlog.S +++ /dev/null @@ -1,350 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2004, 2008 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ -#include <macros.h> -#include <nvramlog.h> -#include <southbridge.h> -#include <calculatecrc.h> - -#if !defined(DISABLE_NVRAM) && !defined(RTAS_NVRAM) - -// detect overflow: if(a<b) return a else return 0 -#define NVRAM_LOG_DATA_OVERFLOW( a, b) \ - cmpd 7, a, b; \ - blt+ 7, 0f; \ - li a, 0; \ - 0: - -// get Pointer(pointer) to next byte in NVRAM data section -// and size of this data sechtion (modulo) -// modifies register pointer, modulo -#define NVRAM_POINTER_DATASIZE_BE0(pointer, modulo, address) \ - LOAD64( modulo, LLFW_LOG_BE0_LENGTH); \ - lwz pointer, LLFW_LOG_POS_POINTER(address); \ - sldi modulo, modulo, 4; \ - addi modulo, modulo,-LLFW_LOG_BE0_DATA_OFFSET -#define NVRAM_POINTER_DATASIZE_BE1(pointer, modulo, address) \ - LOAD64( modulo, LLFW_LOG_BE1_LENGTH); \ - lwz pointer, LLFW_LOG_POS_POINTER(address); \ - sldi modulo, modulo, 4; \ - addi modulo, modulo,-LLFW_LOG_BE1_DATA_OFFSET - -/**************************************************************************** - * checkLogHeaderData - * compare the fixed values in the header if any change was done since - * last initialisation. - * Flags are not checked! - * - * Retrun 0 if no manimulation was found 1 else - * - * input: - * r3 - NVRAM Base Address - * - * output: - * r3 - status: 0 = ok, 1 = corrupt - * r4 - NVRAM Base Address - * - ***************************************************************************/ -ASM_ENTRY(checkLogHeaderData) - li r4, 0 // init error flag - lbz r5, 0(r3) // check signature - addi r5, r5, -LLFW_LOG_BE0_SIGNATURE - add r4, r4, r5 - - lhz r5, LLFW_LOG_POS_LENGTH(r3) // check length - addi r5, r5, -LLFW_LOG_BE0_LENGTH - add r4, r4, r5 - - lwz r5, LLFW_LOG_POS_NAME(r3) // check name prefix - LOAD64( r6, LLFW_LOG_BE0_NAME_PREFIX) - subf r5, r6, r5 - add r4, r4, r5 - - ld r5, (LLFW_LOG_POS_NAME+4)(r3) // check name - LOAD64( r6, LLFW_LOG_BE0_NAME) - subf r5, r6, r5 - add r4, r4, r5 - - lhz r5, LLFW_LOG_POS_DATA_OFFSET(r3) //check data offset - addi r5, r5, -LLFW_LOG_BE0_DATA_OFFSET - add r4, r4, r5 - - lhz r5, LLFW_LOG_POS_FLAGS(r3) //check flags - addi r5, r5, -LLFW_LOG_BE0_FLAGS - add r4, r4, r5 - - cmpldi 7, r4, 0 - beq+ 7, 0f - li r4, 1 -0: - mr r5, r3 - mr r3, r4 - mr r4, r5 - blr -/***************************************************************************** - * checkLogPartition: check Partition Header entries and Checksum - * check also the NVRAM-Log-Partition CRC - * if Partition is not ok set the following bits to 1 - * bit 1: if Partiton Header Checksum is corrupt - * bit 2: if CRC is corrupt - * bit 3: if Header entries are corrupt - * - * input: - * r3 - NVRAM log address (BASE + NVRAM_LOG_OFFSET) - * - * output: - * r3 - CRC status - * r4 - NVRAM log address - * - * Modifies Register: R3, R4, R5, R6, R7, R8, R9 - ****************************************************************************/ -ASM_ENTRY(.checkLogPartition) - mflr r8 - mr r4, r3 // emulate "bl updateCRC_NVRAM" - li r3, 0 // with successful CRC check - li r7, 0 - cmpwi 7, r3, 0 - beq+ 7, 0f - li r7, 2 -0: - mr r3, r4 - bl .calPartitionHeaderChecksum // r3=checksum, r4=NVARM addr - lbz r6, LLFW_LOG_POS_CHECKSUM(r4) - cmpw 7, r3, r6 - beq+ 7, 0f // cal checksum must eq checksum - ori r7, r7, 1 -0: - cmpwi 7, r3, 0 - bne+ 7, 0f - ori r7, r7, 1 // 0 as checksum is invalid -0: - mr r3, r4 - bl checkLogHeaderData - cmpdi 7, r3, 0 - beq+ 7, 0f - ori r7, r7, 4 -0: - mr r3, r7 - mtlr r8 - blr -/***************************************************************************** - * checkinitLog: check the NVRAM Log Partition Header - * initialize the NVRAM if the Header was modified - * - * input: - * r3 - NVRAM BASE address - * - * output: - * r3 - 0 = check ok, no new header written - * r3 - 1 = check not ok, header and NVRAM initialized - * r4 - NVRAM log address - * - * Modifies Register: R3, R4, R5, R6, R7, r8, r9 - ****************************************************************************/ -// init is done if checkLogPartiton returns not 0 (= check failed) -ASM_ENTRY(.checkinitLog) -ASM_ENTRY(checkinitLog) - mflr r9 - bl .checkLogPartition //r3..r8, r4_out = r3_in - mtlr r9 - - cmpwi 7, r3, 0 - mr r3, r4 // r3=NVRAM_LOG address - bne- 7, .initLog // if header is not ok, init header - li r3, 0 - blr // header OK, return 0 - - -/* this is basically just a copy of .initLog - registers used: r3, r4, r5, r6, r7, r9*/ -init_log_2nd_be: - mflr r9 - li r6, LLFW_LOG_BE0_LENGTH - mulli r6, r6, 0x10 - add r6, r7, r6 - li r5, LLFW_LOG_BE1_SIGNATURE - li r4, LLFW_LOG_BE1_LENGTH - stb r5, 0(r6) - sth r4, LLFW_LOG_POS_LENGTH(r6) - li r5, LLFW_LOG_BE1_DATA_OFFSET - li r4, LLFW_LOG_BE1_FLAGS - sth r5, LLFW_LOG_POS_DATA_OFFSET(r6) - sth r4, LLFW_LOG_POS_FLAGS(r6) - li r5, 1 - - LOAD32( r4, LLFW_LOG_BE1_NAME_PREFIX) - stw r5, LLFW_LOG_POS_POINTER(r6) - stw r4, (LLFW_LOG_POS_NAME+0x00)(r6) - LOAD64( r5, LLFW_LOG_BE1_NAME) - std r5, (LLFW_LOG_POS_NAME+0x04)(r6) - mr r3, r6 - bl .calPartitionHeaderChecksum - stb r3, LLFW_LOG_POS_CHECKSUM(r6) - mtlr r9 - blr -/***************************************************************************** - * initLog: initialize the NVRAM with 0 - * write a new NVRAM Log-Partition-Header - * - * input: - * r3 - NVRAM BASE address - * - * output: - * r3 - 0 = check ok, no new header written - * r3 - 1 = check not ok, header and NVRAM initialized - * r4 - NVRAM log address - * - * Modifies Register: R3, R4, R5, R6, R7, r8, r9 - ****************************************************************************/ -ASM_ENTRY(.initLog) - mflr r8 - mr r7, r3 - - bl clearNVRAM -0: - li r5, LLFW_LOG_BE0_SIGNATURE - li r4, LLFW_LOG_BE0_LENGTH - stb r5, 0(r7) - sth r4, LLFW_LOG_POS_LENGTH(r7) - li r5, LLFW_LOG_BE0_DATA_OFFSET - li r4, LLFW_LOG_BE0_FLAGS - sth r5, LLFW_LOG_POS_DATA_OFFSET(r7) - sth r4, LLFW_LOG_POS_FLAGS(r7) - li r5, 1 - - LOAD32( r4, LLFW_LOG_BE0_NAME_PREFIX) - stw r5, LLFW_LOG_POS_POINTER(r7) - stw r4, (LLFW_LOG_POS_NAME+0x00)(r7) - LOAD64( r5, LLFW_LOG_BE0_NAME) - std r5, (LLFW_LOG_POS_NAME+0x04)(r7) - bl .calPartitionHeaderChecksum - stb r3, LLFW_LOG_POS_CHECKSUM(r7) - bl init_log_2nd_be // create a second log partition for BE1 - mr r4, r7 - li r3, 1 - mtlr r8 - blr -/***************************************************************************** - * clearNVRAM: set all not used NVRAM memory to zero - * - * - * input: - * R3 - NVRAM BASE ADDRESS - * - * output: - * R3 - NVARM END ADDRESS - * - * Modifies Register: r4, r5 - ****************************************************************************/ -ASM_ENTRY(clearNVRAM) - LOAD64( r4, NVRAM_LENGTH) - srdi r4, r4, 3 - mtctr r4 - li r5, 0x0 - LOAD64( r4, NVRAM_EMPTY_PATTERN) -0: - stdx r4, r3,r5 - addi r5, r5, 8 - bdnz+ 0b - blr -/***************************************************************************** - * writeNVRAMbyte: write next log into NVRAM - * - * - * input: - * R3 - byte to be written - * R4 - NVRAM Base Address - * - * output: - * R3 - byte that was written - * R4 - NVRAM Base Address - * - * Modifies Register: R3, R4, R5, R6 - ****************************************************************************/ -ASM_ENTRY(.writeNVRAMbyte) -ENTRY(writeLogByte) - NVRAM_POINTER_DATASIZE_BE0( r5, r6, r4) // get pointer,size of data - NVRAM_LOG_DATA_OVERFLOW( r5, r6) // check for overflow - addi r5, r5, 1 // increment pointer - stw r5, LLFW_LOG_POS_POINTER(r4) // store pointer - addi r5, r5, -1 // restore old pointer - add r6, r4, r5 // byte address in data section - - stb r3, LLFW_LOG_BE0_DATA_OFFSET(r6) - blr - -/***************************************************************************** - * writeNVRAMbyte: write next log into NVRAM - * - * - * input: - * R3 - byte to be written - * R4 - NVRAM Base Address - * - * output: - * R3 - byte that was written - * R4 - NVRAM Base Address - * - * Modifies Register: R3, R4, R5, R6 - ****************************************************************************/ -ENTRY(writeLogByteBE1) - li r6, LLFW_LOG_BE0_LENGTH - mulli r6, r6, 0x10 - add r4, r6, r4 - NVRAM_POINTER_DATASIZE_BE1( r5, r6, r4) // get pointer,size of data - NVRAM_LOG_DATA_OVERFLOW( r5, r6) // check for overflow - addi r5, r5, 1 // increment pointer - stw r5, LLFW_LOG_POS_POINTER(r4) // store pointer - addi r5, r5, -1 // restore old pointer - add r6, r4, r5 // byte address in data section - - stb r3, LLFW_LOG_BE1_DATA_OFFSET(r6) - blr - -/***************************************************************************** - * calPartitionHeaderChecksum: calculate the Checksum of the - * Partition Header as described in .... - * - * input: r3 - NVRAM BASE adresse - * - * output: R3 - the calculated checksum as 8 bit value - * R4 - NVRAM log address - * - * Modifies Register: R3, R4, R5, R6 - ****************************************************************************/ -ASM_ENTRY(.calPartitionHeaderChecksum) - mr r6, r3 - lbz r3,0(r6) // load first byte - LOAD64( r4, LLFW_LOG_POS_LENGTH) // load position of 3rd byte -.L6: - lbzx r5, r4, r6 // r5 nexed byte - addi r4, r4, 1 // r4++ (index) - add r5, r5, r3 // r5 new sum =sum + nexed byte - rldicl r5, r5, 0, 56 - cmpld 7, r5, r3 - cmpldi 6, r4, LLFW_LOG_POS_DATA_OFFSET - bge+ 7,.L5 // if new sum > sum - addi r5, r5, 1 // new sum ++ - rldicl r5, r5, 0, 56 -.L5: - mr r3,r5 // sum = new sum - blt+ 6,.L6 - - mr r4, r6 - blr - -#else /* defined(DISABLE_NVRAM) || defined(RTAS_NVRAM) */ - -ASM_ENTRY(.writeNVRAMbyte) - ENTRY(writeLogByte) - blr - -#endif diff --git a/qemu/roms/SLOF/llfw/romfs.S b/qemu/roms/SLOF/llfw/romfs.S deleted file mode 100644 index 325f79e5e..000000000 --- a/qemu/roms/SLOF/llfw/romfs.S +++ /dev/null @@ -1,362 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2004, 2008 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ -#include "macros.h" -#include "romfs.h" - -/******************************************************************* - * Wrapper for romfs_lookup. - * - * Input: - * R3 = address of filename string - * R4 = address of struct romfs_t - * 0: file size (return) - * 8: flags (return) - * 10: fileaddr (return and input: tells if first search) - * 18: nextfile (return) - * 20: namep (return) - * - * Find File Procedure - * - set filename and rombase, on return 0 file properties are stored - * in romfs_t else struct not valid - * - * Listing procedure - * - clear romfs_t (important!) - * - set filename = NULL and rombase and call returns first file - * with properties in romfs_t including next-file pointer - * - if nextpointer is non-zero then just the next file is returned - * - * Returns: - * <Success>: - * R3 = 0 - * romfs_t is updated - * <FileNotFound>: - * R3 = 1 - * romfs_t not touched - * - * Potentially modifies the following registers: - * - - Example usage from C: - - int list_bootrom() - { - struct romfs_t rfs; - int i; - - printf("Build: "__TIME__" "__DATE__" \n"); - - i = 0; - memset((void*) &rfs, 0, sizeof(struct romfs_t)); - printf(" No. File Data Size Name\n"); - - while (romfs_stat(NULL, &rfs) == 0) { - i++; - printf(" %02d: %08X %08X %7d %s\n", - i, rfs.fileaddr, rfs.datap, - rfs.size, rfs.namep); - } - if (0 == i) { - printf("Error in reading ROMFS\n"); - return 1; - } - return 0; - } - *******************************************************************/ -#define RFS_T_SIZE 0x00 -#define RFS_T_FLAGS 0x08 -#define RFS_T_FILEADDR 0x10 -#define RFS_T_NEXT 0x18 -#define RFS_T_NAME 0x20 -#define RFS_T_DATA 0x28 - -#define RFS_H_NEXT 0x00 -#define RFS_H_SIZE 0x08 -#define RFS_H_FLAGS 0x10 -#define RFS_H_DATA 0x18 -#define RFS_H_NAME 0x20 - -ENTRY(romfs_stat_file) - /* save link register and romfs_t pointer */ - mflr r15 - mr r16, r4 - - /* if filename R3 is 0 then its a listing request */ - /* if not then just continue to lookup name */ - /* save R4 to R8 which is the address of header */ - li r7, 0 - cmpd r3, r7 - beq romfs_list - bl romfs_lookup - mfsprg r8, 1 - - /* if file found then go to romfs_fill_properties */ - /* else return 1 to caller */ - cmpwi r3, 0 - beq romfs_fill_properties - b romfs_stat_end - - romfs_list: - /* check if fileaddr == 0, in this case its */ - /* the first search on this handle, so return all */ - /* info for file at rombase (R8=R4) */ - ld r6, RFS_T_FILEADDR(r4) - mfsprg r8, 1 - li r7, 0 - cmpd r7, r6 - beq romfs_fill_properties - - /* check if next file != 0 by looking into */ - /* romfs_t, if not then return (next = 0) 1 */ - li r7, 0 - ld r4, RFS_T_NEXT(r4) - cmpd r7, r4 - li r3, 1 - beq romfs_stat_end - - /* now next file is available so move R8 to next */ - /* file address */ - mr r8, r4 - - romfs_fill_properties: - /* set properties in romfs_t takes R8 as address */ - /* to file header and R16 as address of romfs_t */ - mfsprg r3, 1 - std r8, RFS_T_FILEADDR(r16) - - ld r4, RFS_H_NEXT(r8) - li r7, 0 - cmpd r7, r4 - beq $ + (2 * 4) /* =0 so add no rombase */ - add r4, r4, r3 - std r4, RFS_T_NEXT(r16) - - ld r4, RFS_H_SIZE(r8) - std r4, RFS_T_SIZE(r16) - ld r4, RFS_H_FLAGS(r8) - std r4, RFS_T_FLAGS(r16) - - ld r4, RFS_H_DATA(r8) - add r4, r4, r3 - std r4, RFS_T_DATA(r16) - - addi r4, r8, RFS_H_NAME - std r4, RFS_T_NAME(r16) - - li r3, 0 - - /* restore romfs_t pointer and link register */ - romfs_stat_end: - mr r5, r16 - mtlr r15 - blr - -/******************************************************************* - * Copies the data of file referenced by name string to address - * requires root address of filesystem. - * FIXME: ignores flags - * - * Input: - * R3 = address of filename string - * R4 = ROMBASE - * R5 = destination address - * - * Returns: - * <Success>: R3 = 0, R6 = size, <FileNotFound>: R3 = 1 - * R5 is kept - * - * Potentially modifies the following registers: - * ctr, r15, r16, r17, r18 - * - * Uses the following calls with subsequent register modification: - * - romfs_lookup - *******************************************************************/ -ASM_ENTRY(romfs_load) - mflr r15 - - /* save R5 twice */ - /* lookup file, input regs */ - /* are already set */ - /* if not found, just return */ - mr r16, r5 - mr r17, r5 - bl romfs_lookup - cmpwi r3, 1 - bne 0f - mtlr r15 - blr /* abort, not found */ - - /* save data size for return */ - /* found, copy data */ - /* data size is in R6 */ -0: - //mr r3, r6 - mtctr r6 - addi r16, r16, -1 /* dest */ - addi r5, r5, -1 /* source*/ - - /* data is expected to be */ - /* 8 byte aligned */ - /* copy loop */ -0: lbzu r18, 1(r5) - stbu r18, 1(r16) - bdnz 0b - - /* restore size, keep padding */ - /* restore target address */ - /* return */ - mr r5, r17 - mtlr r15 - blr - -/******************************************************************* - * looks up a file based on filename - * - * Input: - * R3 = address of filename string - * R4 = ROMBASE - * - * Returns: - * <Success>: - * R3 = 0 - * R4 = address of file header - * R5 = address of data (real address) - * R6 = size of data - * R7 = flags for file - * <FileNotFound>: - * R3 = 1 - * - * Potentially modifies the following registers: - * R3, R4, R5, R6, R7, R8, R9 - * - * Uses the following calls with subsequent register modification: - * - romfs_namematch - *******************************************************************/ -ASM_ENTRY(romfs_lookup) - mflr r9 - - romfs_lookup_next: - /* save current file base */ - mr r8, r4 - /* name to look for */ - mr r10, r3 - /* name of file */ - mr r5, r4 - addi r5, r5, (4 /* elems */ * 8 /* elem-size */) - mr r11, r5 /* for namematch */ - /* compare */ - bl romfs_namematch - cmpwi r12, 1 - bne romfs_lookup_match - - /* load next pointer */ - /* check if next is 0 */ - /* apply root-offset */ - ld r5, 0(r4) - cmpwi r5, 0 - add r4, r4, r5 - bne romfs_lookup_next - /* last file reached, abort */ - li r3, 1 - mtlr r9 - blr - - /* here the name did match */ - /* r4 is still usable here and */ - /* pointing to the initial file */ - /* load r5 with data ptr */ - /* load r6 with data size */ - /* load r7 with flags */ - /* get abs addr of data */ - romfs_lookup_match: - li r3, 0 - ld r5, (3 * 8)(r4) /* data */ - ld r6, (1 * 8)(r4) /* len */ - ld r7, (2 * 8)(r4) /* flags */ - add r5, r5, r8 - mtlr r9 - blr - -/******************************************************************* - * compares two strings in memory, - * both must be null-terminated and 8-byte aligned - * - * Input: - * R10 = string 1 - * R11 = string 2 - * - * Returns: - * <Match>: R12 = 0 <NoMatch>: R12 = 1 - * - * Potentially modifies the following registers: - * R10, R11, r12, r13, r14 - *******************************************************************/ -romfs_namematch: - subi r10, r10, 8 - subi r11, r11, 8 - - /* - * load chars as 8byte chunk from current pos, name is - * always 8 byte aligned :) - */ - romfs_cmp_loop: - ldu r13, 8(r10) /* A */ - ldu r14, 8(r11) /* B */ - - cmpd r13, r14 - li r12, 1 - beq 1f - blr - -1: andi. r14, r14, 0xff - bne romfs_cmp_loop - - li r12, 0 - blr - -/******************************************************************* - * wrapper for romfs_lookup - * this function saves the registers from r13 - r15 on the stack - * calls romfs_lookup - * restores the saved registers - * - * the return parameters are copied to (r5) and (r5) has to - * be 0x20 big - *******************************************************************/ -ENTRY(c_romfs_lookup) - stdu r1,-0x50(r1) # allocate space on stack - - mflr r0 # save link register - std r0,0x30(r1) - - std r15,0x38(r1) # save r15 - std r14,0x40(r1) # save r14 - std r13,0x48(r1) # and r13 - - mr r15,r5 # save the pointer for the return value - - bl romfs_lookup # do the thing - - ld r0,0x30(r1) # restore link register - mtlr r0 - - std r4,0x00(r15) # copy return values - std r5,0x08(r15) # to the return pointer - std r6,0x10(r15) - std r7,0x18(r15) - - ld r13,0x48(r1) # restore registers from stack - ld r14,0x40(r1) - ld r15,0x38(r1) - - addi r1,r1,0x50 # cleanup stack - - blr diff --git a/qemu/roms/SLOF/llfw/romfs_wrap.c b/qemu/roms/SLOF/llfw/romfs_wrap.c deleted file mode 100644 index 323d97525..000000000 --- a/qemu/roms/SLOF/llfw/romfs_wrap.c +++ /dev/null @@ -1,22 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2004, 2008 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -#include <romfs.h> - -int romfs_stat(char *filename, struct romfs_t *hnd) -{ - asm volatile ("":::"3","4","5","6","7","9","10"); - asm volatile ("":::"11","12"); - asm volatile ("":::"13","14","15","16","17","18"); - - return romfs_stat_file(filename, hnd); -} |