diff options
Diffstat (limited to 'qemu/roms/SLOF/clients/takeover')
| -rw-r--r-- | qemu/roms/SLOF/clients/takeover/Makefile | 60 | ||||
| -rw-r--r-- | qemu/roms/SLOF/clients/takeover/client.lds | 60 | ||||
| -rw-r--r-- | qemu/roms/SLOF/clients/takeover/entry.S | 99 | ||||
| -rw-r--r-- | qemu/roms/SLOF/clients/takeover/main.c | 163 | ||||
| -rw-r--r-- | qemu/roms/SLOF/clients/takeover/ppc32wrap.S | 30 | ||||
| -rw-r--r-- | qemu/roms/SLOF/clients/takeover/takeover.h | 23 | ||||
| -rw-r--r-- | qemu/roms/SLOF/clients/takeover/takeover.oco | bin | 3360 -> 0 bytes |
7 files changed, 0 insertions, 435 deletions
diff --git a/qemu/roms/SLOF/clients/takeover/Makefile b/qemu/roms/SLOF/clients/takeover/Makefile deleted file mode 100644 index f71f7ecdf..000000000 --- a/qemu/roms/SLOF/clients/takeover/Makefile +++ /dev/null @@ -1,60 +0,0 @@ -# ***************************************************************************** -# * Copyright (c) 2004, 2011 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 $(TOPCMNDIR)/make.rules - -SNKDIR = $(TOPCMNDIR)/clients/net-snk - -CFLAGS += -fno-builtin -I$(LIBCMNDIR)/libc/include -CFLAGS += -I$(SNKDIR)/include -I. $(CPUARCHDEF) -CFLAGS += -I$(INCLBRDDIR) -I$(INCLCMNDIR) -I$(INCLCMNDIR)/$(CPUARCH) -CFLAGS += -O2 -msoft-float -Wa,-mregnames $(RELEASE) - -OBJS = $(SNKDIR)/kernel/kernel.o -OBJS += $(SNKDIR)/oflib/oflib.o -OBJS += $(SNKDIR)/libc/time/timer.o -OBJS += entry.o main.o of.elf takeover.o -OBJS += $(LIBCMNDIR)/libelf.a $(LIBCMNDIR)/libc.a - -%.o: %.S - $(CC) $(CFLAGS) -c $^ - -all: takeover.elf - -takeover.elf: ppc32wrap.o takeover.elf32 - @echo " ====== Building $@ ======" - $(LD) -N -melf32ppclinux -static -nostdlib \ - -Ttext=0x400000 -Tdata=0x400100 \ - $(LDFLAGS) $^ -o $@ - -takeover.elf64: entry.o main.o takeover.o $(SNKDIR)/libc/time/timer.o of.elf - $(MAKE) -C $(LIBCMNDIR) libc - $(MAKE) -C $(CLIENTSDIR) - $(LD) $(LDFLAGS) -o $@ -Tclient.lds $(OBJS) - -of.elf: ../../boot_rom.bin - $(OBJCOPY) --input-target=binary --binary-architecture=powerpc -O elf64-powerpc $< $@ - -takeover.elf32: takeover.elf64 - $(OBJCOPY) -O binary $^ takeover.tmp - $(OBJCOPY) --input-target=binary --binary-architecture=powerpc -O elf32-powerpc takeover.tmp $@ - -ppc32wrap.o: ppc32wrap.S - $(CROSS)gcc -m32 $(CFLAGS) -c $< -o $@ - -clean distclean: - $(MAKE) -C $(LIBCMNDIR) $@ - $(MAKE) -C $(CLIENTSDIR) $@ - $(RM) *.o *.bin *.elf - $(RM) takeover.elf32 takeover.elf64 takeover.tmp -%.o: %.oco - cp -f $< $@ diff --git a/qemu/roms/SLOF/clients/takeover/client.lds b/qemu/roms/SLOF/clients/takeover/client.lds deleted file mode 100644 index 0ab428a01..000000000 --- a/qemu/roms/SLOF/clients/takeover/client.lds +++ /dev/null @@ -1,60 +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 - *****************************************************************************/ - -OUTPUT_FORMAT("elf64-powerpc", "elf64-powerpc", "elf64-powerpc") -OUTPUT_ARCH(powerpc:common64) -ENTRY(_entry) - -SECTIONS { - .client 0x400100: - { - __client_start = .; - *(.start) - *(.text .stub .text.* .gnu.linkonce.t.*) - *(.sfpr .glink) - *(.rodata .rodata.* .gnu.linkonce.r.*) - KEEP (*(.opd)) - . = ALIGN(256); - *(.data .data.* .gnu.linkonce.d.*) - . = ALIGN(256); - } =0x60000000 - - .diag_table : - { - _diag_init_start = .; - *(.diag_init) - _diag_init_end = .; - } - .lowmem : - { - _lowmem_start = .; - *(.lowmem) - _lowmem_end = .; - } - - .got : - { - . = ALIGN(256); - _got = DEFINED (.TOC.) ? .TOC. : ADDR (.got) + 0x8000; - *(.got .toc) - _got_end = .; - } - .comment : { *(.comment) } - .branch_lt : { *(.branch_lt) } - .bss : - { - __bssStart = .; - *(*COM* .bss .gnu.linkonce.b.*) - __client_end = .; - __bssSize = . - __bssStart; - } -} diff --git a/qemu/roms/SLOF/clients/takeover/entry.S b/qemu/roms/SLOF/clients/takeover/entry.S deleted file mode 100644 index ff482732d..000000000 --- a/qemu/roms/SLOF/clients/takeover/entry.S +++ /dev/null @@ -1,99 +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 "takeover.h" - - .globl _wrapclient - .section ".start" - .align 3 - -_wrapclient: - bcl 20,31,over # branch after pointer table -base: - .align 3 -.LCgot: .quad _got-base -over: - mflr r8 # gpr 8 is the base - ld r2, .LCgot-base(r8) # load got pointer - add r2, r2, r8 # add base - li 14, 0 - oris 14, 14, __bssSize@h - ori 14, 14, __bssSize@l - addi 14,14,7 - srwi 14,14,3 - mtctr 14 - li 14, 0 - oris 14, 14, __bssStart@h - ori 14, 14, __bssStart@l - subi 14, 14, 8 - li 15, 0 -1: - stdu 15,8(14) - bdnz 1b - - bl ._entry - - - - .globl slaveLoopNoTakeover -slaveLoopNoTakeover: - mr 28,3 - - li 14,0 - oris 14, 14, slaveQuitt@h - ori 14, 14, slaveQuitt@l - - li 3,0 - std 3,0(14) -1: - ld 3,0(14) - cmpld 3,28 - bne 1b - - li 3,0 - std 3,0(14) - - LOAD64(r3, (TAKEOVERBASEADDRESS+0x150)) - mtctr r3 - bctr - - - .globl slaveLoop -slaveLoop: - mr 28,3 - li r3, 0x5124 - li r0, -1; .long 0x44000022 - - li 14,0 - oris 14, 14, slaveQuitt@h - ori 14, 14, slaveQuitt@l - li 3,0 - std 3,0(14) -1: - ld 3,0(14) - cmpld 3,28 - bne 1b - - li 3,0 - std 3,0(14) - - LOAD64(r3, (TAKEOVERBASEADDRESS+0x150)) - mtctr r3 - bctr - - -C_ENTRY(m_sync) - isync - sync - nop - blr diff --git a/qemu/roms/SLOF/clients/takeover/main.c b/qemu/roms/SLOF/clients/takeover/main.c deleted file mode 100644 index 1e1b02614..000000000 --- a/qemu/roms/SLOF/clients/takeover/main.c +++ /dev/null @@ -1,163 +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 <string.h> -#include <stdio.h> -#include <stdlib.h> -#include <of.h> -#include <pci.h> -#include <cpu.h> -#include <unistd.h> -#include <takeover.h> - -extern void call_client_interface(of_arg_t *); -extern void m_sync(void); - -int callback(int argc, char *argv[]); - -#define boot_rom_bin_start _binary_______boot_rom_bin_start -#define boot_rom_bin_end _binary_______boot_rom_bin_end - -extern char boot_rom_bin_start; -extern char boot_rom_bin_end; - -#if defined(__GNUC__) -# define UNUSED __attribute__((unused)) -#else -# define UNUSED -#endif - -void * -sbrk(int incr) -{ - return (void *) -1; -} - -static void -doWait(void) -{ - static const char *wheel = "|/-\\"; - static int i = 0; - volatile int dly = 0xf0000; - while (dly--) - asm volatile (" nop "); - printf("\b%c", wheel[i++]); - i &= 0x3; -} - -static void -quiesce(void) -{ - of_arg_t arg = { - p32cast "quiesce", - 0, 0, - }; - call_client_interface(&arg); -} - -static int -startCpu(int num, int addr, int reg) -{ - of_arg_t arg = { - p32cast "start-cpu", - 3, 0, - {num, addr, reg} - }; - call_client_interface(&arg); - return arg.args[3]; -} - -volatile unsigned long slaveQuitt; -int takeoverFlag; - -void -main(int argc, char *argv[]) -{ - phandle_t cpus; - phandle_t cpu; - unsigned long slaveMask; - extern int slaveLoop[]; - extern int slaveLoopNoTakeover[]; - int index = 0; - int delay = 100; - unsigned long reg; - unsigned long msr; - - asm volatile ("mfmsr %0":"=r" (msr)); - if (msr & 0x1000000000000000) - takeoverFlag = 0; - else - takeoverFlag = 1; - - cpus = of_finddevice("/cpus"); - cpu = of_child(cpus); - slaveMask = 0; - while (cpu) { - char devType[100]; - *devType = '\0'; - of_getprop(cpu, "device_type", devType, sizeof(devType)); - if (strcmp(devType, "cpu") == 0) { - of_getprop(cpu, "reg", ®, sizeof(reg)); - if (index) { - printf("\r\n takeover on cpu%d (%x, %lx) ", index, - cpu, reg); - slaveQuitt = -1; - if (takeoverFlag) - startCpu(cpu, (int)(unsigned long)slaveLoop, index); - else - startCpu(cpu, (int)(unsigned long)slaveLoopNoTakeover, - index); - slaveMask |= 0x1 << index; - delay = 100; - while (delay-- && slaveQuitt) - doWait(); - } - index++; - } - cpu = of_peer(cpu); - } - - - printf("\r\n takeover on master cpu "); - quiesce(); - - delay = 5; - while (delay--) - doWait(); - if (takeoverFlag) - takeover(); - - memcpy((void*)TAKEOVERBASEADDRESS, &boot_rom_bin_start, &boot_rom_bin_end - &boot_rom_bin_start); - flush_cache((void *)TAKEOVERBASEADDRESS, &boot_rom_bin_end - &boot_rom_bin_start); - index = 0; - - while (slaveMask) { - m_sync(); - unsigned long shifter = 0x1 << index; - if (shifter & slaveMask) { - slaveQuitt = index; - while (slaveQuitt) - m_sync(); - slaveMask &= ~shifter; - } - index++; - } - - asm volatile(" mtctr %0 ; bctr " : : "r" (TAKEOVERBASEADDRESS+0x180) ); -} - -int -callback(int argc, char *argv[]) -{ - /* Dummy, only for takeover */ - return (0); -} diff --git a/qemu/roms/SLOF/clients/takeover/ppc32wrap.S b/qemu/roms/SLOF/clients/takeover/ppc32wrap.S deleted file mode 100644 index 90afa268d..000000000 --- a/qemu/roms/SLOF/clients/takeover/ppc32wrap.S +++ /dev/null @@ -1,30 +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 - *****************************************************************************/ - - .globl _start - .section ".text" - .align 3 - -_start: - nop - bl over - .llong 0x9000000000003000 -over: - li 14, 0 - oris 14, 14, _binary_takeover_tmp_start@h - ori 14, 14, _binary_takeover_tmp_start@l - mtsrr0 14 - mflr 15 - ld 14,0(15) - mtsrr1 14 - rfid - diff --git a/qemu/roms/SLOF/clients/takeover/takeover.h b/qemu/roms/SLOF/clients/takeover/takeover.h deleted file mode 100644 index f348e2359..000000000 --- a/qemu/roms/SLOF/clients/takeover/takeover.h +++ /dev/null @@ -1,23 +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 - *****************************************************************************/ - -#if defined(CPU_CBEA) -#define TAKEOVERBASEADDRESS 0x0e000000 -#elif defined(CPU_PPC970) -#define TAKEOVERBASEADDRESS 0x00000000 -#else -#error no processor specified -#endif - -#ifndef __ASSEMBLER__ -int takeover(void); -#endif diff --git a/qemu/roms/SLOF/clients/takeover/takeover.oco b/qemu/roms/SLOF/clients/takeover/takeover.oco Binary files differdeleted file mode 100644 index 6e2a1a6ab..000000000 --- a/qemu/roms/SLOF/clients/takeover/takeover.oco +++ /dev/null |