diff options
Diffstat (limited to 'qemu/roms/SLOF/rtas')
| -rw-r--r-- | qemu/roms/SLOF/rtas/Makefile.inc | 89 | ||||
| -rw-r--r-- | qemu/roms/SLOF/rtas/flash/block_lists.c | 275 | ||||
| -rw-r--r-- | qemu/roms/SLOF/rtas/flash/block_lists.h | 23 | ||||
| -rw-r--r-- | qemu/roms/SLOF/rtas/flash/tmpXXX.update-comments | 11 | ||||
| -rw-r--r-- | qemu/roms/SLOF/rtas/reloc.S | 183 | ||||
| -rw-r--r-- | qemu/roms/SLOF/rtas/rtas.lds | 50 | ||||
| -rw-r--r-- | qemu/roms/SLOF/rtas/rtas_call.c | 93 | ||||
| -rw-r--r-- | qemu/roms/SLOF/rtas/rtas_common.S | 87 | ||||
| -rw-r--r-- | qemu/roms/SLOF/rtas/rtas_entry.S | 72 |
9 files changed, 0 insertions, 883 deletions
diff --git a/qemu/roms/SLOF/rtas/Makefile.inc b/qemu/roms/SLOF/rtas/Makefile.inc deleted file mode 100644 index 4297f86a9..000000000 --- a/qemu/roms/SLOF/rtas/Makefile.inc +++ /dev/null @@ -1,89 +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 -# ****************************************************************************/ - -# Before including this Makefile, you should specify the following variables -# in your Makefile: -# - RTASCMNDIR : Points to the common RTAS directory -# - RTASBRDDIR : Points to the board specific RTAS directory -# - TOOLSDIR : Points to the common tools directory -# - OBJS : A list with all object files that should be linked into rtas.bin -# - BOARD_SRCS : A list with all board specific source code files -# (needed for "make depend") - - -LDFLAGS = -nostdlib -CPPFLAGS += -I$(RTASBRDDIR) -I$(RTASCMNDIR) \ - -I$(INCLCMNDIR) -I$(INCLBRDDIR) \ - -I$(LIBCMNDIR)/libc/include \ - -I$(INCLCMNDIR)/$(CPUARCH) -ASFLAGS = -Wa,-mregnames $(FLAG) -CFLAGS += -g -nostdinc -ffreestanding -Wall -Wextra -O2 -msoft-float \ - -mno-altivec -mabi=no-altivec $(FLAG) - -# Common RTAS files: -RTAS_SRC_ASM = reloc.S rtas_common.S rtas_entry.S rtas_term.S \ - rtas_cpu.S rtas_flash_asm.S rtas_mem.S rtas_ras.S -RTAS_SRC_C = rtas_call.c rtas_flash_c.c rtas_h8.c \ - rtas_nvramlog.c rtas_sensor.c rtas_init.c \ - rtas_flash_cfi.c -RTAS_SRCS = $(RTAS_SRC_ASM) $(RTAS_SRC_C) -RTAS_OBJ_ASM = $(RTAS_SRC_ASM:%.S=%.o) -RTAS_OBJ_C = $(RTAS_SRC_C:%.c=%.o) - -# Common build rules: -$(RTAS_OBJ_C): - $(CC) $(CPPFLAGS) $(CFLAGS) -c $(@:%.o=$(RTASCMNDIR)/%.c) -o $@ - -$(RTAS_OBJ_ASM): - $(CC) $(CPPFLAGS) $(ASFLAGS) -c $(@:%.o=$(RTASCMNDIR)/%.S) -o $@ - -$(TOOLSDIR)/gen_reloc_table: $(TOOLSDIR)/gen_reloc_table.c - $(MAKE) -C $(TOOLSDIR) gen_reloc_table - - -# Rules for building rtas.bin: -rtas.bin: rtas - $(OBJCOPY) -O binary $< $@ - -rtas: $(RTASCMNDIR)/rtas.lds $(OBJS) reloc_table.o $(LIBCMNDIR)/libc.a - $(LD) $(LDFLAGS) -o $@ -T $(RTASCMNDIR)/rtas.lds $(OBJS) \ - reloc_table.o $(LIBCMNDIR)/libc.a - -reloc_table.o: $(TOOLSDIR)/gen_reloc_table $(OBJS) $(LIBCMNDIR)/libc.a - $(TOOLSDIR)/create_reloc_table.sh --ld "$(ONLY_LD)" --ldflags "$(LDFLAGS)" \ - --lds "$(RTASCMNDIR)/rtas.lds" --objcopy "$(OBJCOPY)" $(OBJS) $(LIBCMNDIR)/libc.a - - -$(LIBCMNDIR)/libc.a: - $(MAKE) -C $(LIBCMNDIR) libc - - -# Rules for cleaning up: -clean_rtas: - rm -f $(OBJS) reloc_table.o rtas rtas.bin - rm -f $(RTASCMNDIR)/*~ $(RTASCMNDIR)/*.o - -distclean_rtas: clean_rtas - rm -f Makefile.dep - - -# Rules for creating the dependency file: -depend: - rm -f Makefile.dep - $(MAKE) Makefile.dep - -Makefile.dep: Makefile $(RTASCMNDIR)/Makefile.inc - $(CC) -MM $(CPPFLAGS) $(CFLAGS) $(RTAS_SRCS:%=$(RTASCMNDIR)/%) > Makefile.dep - $(CC) -MM $(CPPFLAGS) $(CFLAGS) $(BOARD_SRCS) >> Makefile.dep - -# Include dependency file if available: --include Makefile.dep diff --git a/qemu/roms/SLOF/rtas/flash/block_lists.c b/qemu/roms/SLOF/rtas/flash/block_lists.c deleted file mode 100644 index e632fd0bd..000000000 --- a/qemu/roms/SLOF/rtas/flash/block_lists.c +++ /dev/null @@ -1,275 +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 <product.h> -#include <stdio.h> -#include "block_lists.h" - -unsigned char sig_org[] = FLASHFS_PLATFORM_MAGIC; - -/* this function is part of the crc_lib assembler code */ -unsigned long check_flash_image(unsigned long, unsigned long, unsigned long); - -/* this functions needs to be implemented by the board specific flash code - * the functions always get 32 bytes and needs to deal with the data */ -void write_flash(unsigned long, unsigned short *); - -int progress = 0; - -int -print_progress(void) -{ - static int i = 3; - switch (i--) { - case 3: - printf("\b|"); - break; - case 2: - printf("\b/"); - break; - case 1: - printf("\b-"); - break; - case 0: - printf("\b\\"); - default: - i = 3; - } - return 0; -} - -void -print_hash(void) -{ - printf("\b# "); -} - -void -print_writing(void) -{ - int counter = 42; - printf("\nWriting Flash: |"); - while (counter--) - printf(" "); - printf("|"); - counter = 41; - while (counter--) - printf("\b"); - -} - -int -get_block_list_version(unsigned char *data) -{ - if (data[0] == 0x01) - return 1; - return 0; -} - -static long -get_image_size(unsigned long *data, unsigned long length) -{ - long size = 0; - unsigned long i; - for (i = 0; i < length / 8; i += 2) { - size += data[1 + i]; - } - return size; -} - -static long -get_image_size_v0(unsigned long *data) -{ - unsigned long bl_size = data[0]; - return get_image_size(data + 1, bl_size - 8); -} - -static long -get_image_size_v1(unsigned long *data) -{ - unsigned long *bl_addr = data; - unsigned long bl_size; - unsigned long *next; - long size = 0; - while (bl_addr) { - bl_size = bl_addr[0]; - next = (unsigned long *) bl_addr[1]; - bl_size = bl_size & 0x00FFFFFFFFFFFFFFUL; - size += get_image_size(bl_addr + 2, bl_size - 0x10); - bl_addr = next; - } - return size; -} - -long -get_size(unsigned long *data, int version) -{ - if (version == 1) - return get_image_size_v1(data); - return get_image_size_v0(data); -} - -static unsigned long -write_one_block(unsigned long *block, unsigned long length, - unsigned long offset) -{ - unsigned long block_addr = (unsigned long) block; - unsigned long i = 0; - static unsigned int hash; - if (offset == 0) - hash = 0; - - for (i = 0; i < length; i += 32, offset += 32, block_addr += 32) { - write_flash(offset, (unsigned short *) block_addr); - if (offset % 10 == 0) { - print_progress(); - } - if (offset > hash * progress) { - print_hash(); - hash++; - } - } - - return offset; -} - -static unsigned long -write_one_list(unsigned long *bl, unsigned long length, unsigned long offset) -{ - unsigned long i; - // 0x10: /8 for pointer /2 it has to be done in steps of 2 - for (i = 0; i < length / 0x10; i++) { - offset = - write_one_block((unsigned long *) *bl, *(bl + 1), offset); - bl += 2; - } - return offset; -} - -void -write_block_list(unsigned long *bl, int version) -{ - unsigned long offset = 0; - unsigned long *bl_addr = bl; - unsigned long bl_size; - unsigned long *next; - - if (version == 0) { - // -8 = removed header length - write_one_list(bl + 1, *(bl) - 8, offset); - return; - } - - while (bl_addr) { - bl_size = bl_addr[0]; - next = (unsigned long *) bl_addr[1]; - bl_size = bl_size & 0x00FFFFFFFFFFFFFFUL; - // -0x10 = removed header length - offset = write_one_list(bl_addr + 2, bl_size - 0x10, offset); - bl_addr = next; - } - -} - -static int -check_one_list(unsigned long *bl, unsigned long length, unsigned long crc) -{ - unsigned long i; - // 0x10: /8 for pointer /2 it has to be done in steps of 2 - for (i = 0; i < length / 0x10; i++) { - crc = check_flash_image((unsigned long) *bl, *(bl + 1), crc); - bl += 2; - } - return crc; -} - -int -image_check_crc(unsigned long *bl, int version) -{ - unsigned long *bl_addr = bl; - unsigned long bl_size; - unsigned long *next; - unsigned long crc = 0; - - if (version == 0) { - // -8 = removed header length - return check_one_list(bl + 1, *(bl) - 8, crc); - } - - while (bl_addr) { - bl_size = bl_addr[0]; - next = (unsigned long *) bl_addr[1]; - bl_size = bl_size & 0x00FFFFFFFFFFFFFFUL; - // -0x10 = removed header length - crc = check_one_list(bl_addr + 2, bl_size - 0x10, crc); - bl_addr = next; - } - return crc; -} - -static int -check_platform_one_list(unsigned long *bl, unsigned long bytesec) -{ - unsigned long pos = bytesec; - unsigned char *sig_tmp, *sig; - unsigned long size = 0; - sig = sig_org; - - while (size < bytesec) { - size += bl[1]; - - while (size > pos) { // 32 == FLASHFS_PLATFORM_MAGIC length - sig_tmp = (unsigned char *) (bl[0] + pos); - if (*sig++ != *sig_tmp) - return -1; - if (*sig_tmp == '\0' || (pos == bytesec + 32)) { - pos = bytesec + 32; - break; - } - pos++; - } - if (pos == (bytesec + 32)) - return 0; - bl += 2; - } - return 0; -} - -int -check_platform(unsigned long *bl, unsigned int bytesec, int version) -{ - unsigned long *bl_addr = bl; - unsigned long bl_size; - unsigned long *next; - unsigned long *ptr; - ptr = bl; - - if (version == 0) { - ptr += 1; // -8 = removed header length - return check_platform_one_list(ptr, bytesec); - } - while (bl_addr) { - ptr = bl_addr + 2; // -0x10 = removed header length - bl_size = bl_addr[0]; - next = (unsigned long *) bl_addr[1]; - bl_size = bl_size & 0x00FFFFFFFFFFFFFFUL; - if ((bl_size - 0x10) == 0) { - bl_addr = next; - continue; - } - if (check_platform_one_list(ptr, bytesec) == 0) - return 0; - - bl_addr = next; - } - return -1; -} diff --git a/qemu/roms/SLOF/rtas/flash/block_lists.h b/qemu/roms/SLOF/rtas/flash/block_lists.h deleted file mode 100644 index b24b65064..000000000 --- a/qemu/roms/SLOF/rtas/flash/block_lists.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 - *****************************************************************************/ - -extern int progress; -extern unsigned char sig_org[]; - -int print_progress(void); -void print_hash(void); -int get_block_list_version(unsigned char *); -int image_check_crc(unsigned long *, int); -long get_size(unsigned long *, int); -void print_writing(void); -void write_block_list(unsigned long *, int); -int check_platform(unsigned long *, unsigned int, int); diff --git a/qemu/roms/SLOF/rtas/flash/tmpXXX.update-comments b/qemu/roms/SLOF/rtas/flash/tmpXXX.update-comments deleted file mode 100644 index cd3d1376d..000000000 --- a/qemu/roms/SLOF/rtas/flash/tmpXXX.update-comments +++ /dev/null @@ -1,11 +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 -# ****************************************************************************/ diff --git a/qemu/roms/SLOF/rtas/reloc.S b/qemu/roms/SLOF/rtas/reloc.S deleted file mode 100644 index 1b5b59a68..000000000 --- a/qemu/roms/SLOF/rtas/reloc.S +++ /dev/null @@ -1,183 +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 <rtas.h> - -/* -Function: - Input: - r3: Destination to copy rtas code to - r4: Configuration - Output: - r3: Entry point for rtas calls -Decription: Called by OpenFirmware to instantiate rtas, needs to copy - itself to destination, also do a relocations. - -*/ - -.extern rtas_entry -.extern .stack -.extern _got -.extern _got_end -.extern __bss_start -.extern __bss_end -.extern rtas_config - - - .section ".rtasstart","ax"; - .align 3 - .globl _rtas_start -_rtas_start: - mflr r10 # save link register - bcl 20,31,.over # branch (always) to .over - -.base: - .align 3 - -/* Our Open Firmware needs to know the size of the RTAS binary and the - * size & address of the RTAS function jump table. SLOF always looks for this - * information in the following three quads here at the very beginning of the - * RTAS binary at offset 8. So DO NOT DELETE/MOVE them! */ - -._rtas_size: .quad _rtas_end-_rtas_start -._ptr_to_func_tab: .quad rtas_func_tab-_rtas_start -._ptr_to_func_tab_size: .quad rtas_func_tab_size-_rtas_start - -/* The other variables are not accessed by SLOF anymore: */ - -._rel_offset: .quad _reloc_table_start-_rtas_start -._rel_end_offset: .quad _reloc_table_end-_rtas_start -._bss_offset: .quad __bss_start-_rtas_start -._bss_end_offset: .quad __bss_end-_rtas_start -._rtas_entry_offset: .quad rtas_entry-_rtas_start -._rtas_config_offset: .quad rtas_config-_rtas_start -._rtas_stack: .quad .stack-_rtas_start+RTAS_STACKSIZE-0x60 -._rtas_toc: .quad _got-_rtas_start - -.over: - mflr r8 # gpr 8 is the base - addi r8,r8,_rtas_start-.base # points to _rtas_start - mr r11,r4 # Save config value - -# Copy rtas code - - ld r5,._rtas_size-_rtas_start(r8) - mr r4,r8 # Start of rtas - addi r6,r3,-8 # Destination - addi r4,r4,-8 # Source - srdi r5,r5,3 # Count in quads - mtctr r5 -0: - ldu r0,8(r4) - stdu r0,8(r6) - bdnz 0b - -# Clear bss - - ld r4,._bss_offset-_rtas_start(r8) - ld r5,._bss_end_offset-_rtas_start(r8) - li r0,0 - add r6,r3,r4 # Address bss in copied code - addi r6,r6,-8 - sub r5,r5,r4 # Calculate bss size - srdi r5,r5,3 # Count in quads - mtctr r5 -0: - stdu r0,8(r6) - bdnz 0b - -# Relocate got - - ld r4, ._rel_offset-_rtas_start(r8) - ld r5, ._rel_end_offset-_rtas_start(r8) - sub r5, r5,r4 # Calculate reloc table size - cmpdi r5, 0 # No reloc table ? - beq 1f - - add r4, r4, r3 # Calculate reloc table address - addi r4, r4, -4 - srdi r5, r5, 2 # Count in words - mtctr r5 -0: - lwzu r6, 4(r4) # Load offset out of reloc table - ldx r0, r6, r3 # Load value - add r0, r0, r3 # Add relocation offset = load address - stdx r0, r6, r3 - bdnz 0b -1: - -# Save config data - - ld r5,._rtas_config_offset-_rtas_start(r8) - add r5,r5,r3 - std r11,0(r5) - -# Flush to memory - - mr r4,r3 # Destination address - ld r5,._rtas_size-_rtas_start(r8) - - add r5,r5,r4 - addi r5,r5,127 - rlwinm r4,r4,0,0,24 - rlwinm r5,r5,0,0,24 - sub r5,r5,r4 - srwi r5,r5,7 - mtctr r5 -0: - dcbst 0,r4 - sync - icbi 0,r4 - sync - isync - addi r4,r4,128 - bdnz 0b - -# Call init function - mfmsr r11 # Switch to 64 bit mode - mr r7,r11 - rotldi r11,r11,1 - ori r11,r11,1 - rotldi r11,r11,63 - mtmsrd r11 - isync - mr r9,r1 # save old stack pointer - ld r1,._rtas_stack-_rtas_start(r8) # load new stack pointer - add r1,r1,r3 - std r9,0(r1) # save stack pointer - std r2,64(r1) # save toc - std r7,72(r1) # save old msr value - - ld r2,._rtas_toc-_rtas_start(r8) # load got pointer - add r2,r2,r3 - - bl save_regs_r3_r12 - bl .rtas_init - bl restore_regs_r3_r12 - - ld r11,72(r1) # restore msr value - ld r2,64(r1) # restore toc - ld r1,0(r1) # get old stack - - mtmsrd r11 # restore msr - isync - - -# Return rtas entry - - ld r4,._rtas_entry_offset-_rtas_start(r8) - add r3,r3,r4 - mtlr r10 - blr - - - diff --git a/qemu/roms/SLOF/rtas/rtas.lds b/qemu/roms/SLOF/rtas/rtas.lds deleted file mode 100644 index 30b18dd26..000000000 --- a/qemu/roms/SLOF/rtas/rtas.lds +++ /dev/null @@ -1,50 +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) - -SECTIONS { - .text 0: - { - *(.rtasstart) - *(.text .stub .text.* .gnu.linkonce.t.*) - *(.sfpr .glink) - *(.rodata .rodata.* .gnu.linkonce.r.*) - *(.opd) - } =0x60000000 - .data : - { - *(.data .data.* .gnu.linkonce.d.*) - } - .got : - { - . = ALIGN(256); - _got = DEFINED (.TOC.) ? .TOC. : ADDR (.got) + 0x8000; - *(.got .toc) - } - .reloc : - { - . = ALIGN(4); - _reloc_table_start = .; - *(.reloc) - _reloc_table_end = .; - } - .bss : - { - __bss_start = .; - *(*COM* .bss .sbss .gnu.linkonce.b.*) - __bss_end = .; - } - __bss_size = (__bss_end - __bss_start); - _rtas_end = .; -} diff --git a/qemu/roms/SLOF/rtas/rtas_call.c b/qemu/roms/SLOF/rtas/rtas_call.c deleted file mode 100644 index 8c7532c01..000000000 --- a/qemu/roms/SLOF/rtas/rtas_call.c +++ /dev/null @@ -1,93 +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 <rtas.h> -#include "rtas_table.h" - - -//#define _RTAS_TRACE -//#define _RTAS_COUNT_CALLS - - -#ifdef _RTAS_COUNT_CALLS -int rtas_callcount[0x40] __attribute__((aligned (16))); -#endif - -/* rtas_config is used to store the run-time configuration flags (which are - * provided by SLOF during instantiate-rtas) */ -long rtas_config; - - -/* Prototype */ -void rtas_call (rtas_args_t *rtas_args); - - -/* -Function: rtas_call - Input: - rtas_args: pointer to RTAS arguments structure - Output: - -Decription: Handle RTAS call. This C function is called - from the asm function rtas_entry. -*/ - -void -rtas_call (rtas_args_t *rtas_args) -{ - int idx; - -#ifdef _RTAS_COUNT_CALLS - /* Count how often every RTAS function is called. */ - if (rtas_args->token < (int)(sizeof(rtas_callcount)/sizeof(rtas_callcount[0]))) { - static int callcount_initialized = 0; - /* If the array is used the first time, we have to set all entries to 0 */ - if (!callcount_initialized) { - unsigned int i; - callcount_initialized = 1; - for (i = 0; i < sizeof(rtas_callcount)/sizeof(rtas_callcount[0]); i++) - rtas_callcount[i] = 0; - } - /* Increment the counter of the RTAS call */ - rtas_callcount[rtas_args->token] += 1; - } -#endif - -#ifdef _RTAS_TRACE - unsigned int parCnt = rtas_args->nargs; - unsigned int *pInt = rtas_args->args; - printf("\n\r*** rtas_call=0x%x", rtas_args->token); -#ifdef _RTAS_COUNT_CALLS - printf(" count=0x%x", rtas_callcount[rtas_args->token]); -#endif - printf(" len=0x%x", parCnt); - printf("\n\r "); - while(parCnt--) { - printf("0x%x ", *pInt++); - } -#endif - - idx = rtas_args->token - 1; - - /* Check if there's a function for the token: */ - if (idx >= 0 && idx < rtas_func_tab_size - && rtas_func_tab[idx].func != NULL) { - /* Now jump to the RTAS function: */ - rtas_func_tab[idx].func(rtas_args); - } - else { - /* We didn't find a function - return error code: */ - rtas_args->args[rtas_args->nargs] = -1; - } - -} diff --git a/qemu/roms/SLOF/rtas/rtas_common.S b/qemu/roms/SLOF/rtas/rtas_common.S deleted file mode 100644 index 35cd9a9f5..000000000 --- a/qemu/roms/SLOF/rtas/rtas_common.S +++ /dev/null @@ -1,87 +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 save_regs_r3_r12 -.globl restore_regs_r3_r12 -.globl save_regs_r13_r25 -.globl restore_regs_r13_r25 - - -save_regs_r3_r12: - stdu r1,-0x80(r1) # allocate space on stack - - std r3,0x30(r1) - std r4,0x38(r1) - std r5,0x40(r1) - std r6,0x48(r1) - std r7,0x50(r1) - std r8,0x58(r1) - std r9,0x60(r1) - std r10,0x68(r1) - std r11,0x70(r1) - std r12,0x78(r1) - - blr - -restore_regs_r3_r12: - ld r3,0x30(r1) - ld r4,0x38(r1) - ld r5,0x40(r1) - ld r6,0x48(r1) - ld r7,0x50(r1) - ld r8,0x58(r1) - ld r9,0x60(r1) - ld r10,0x68(r1) - ld r11,0x70(r1) - ld r12,0x78(r1) - - addi r1,r1,0x80 # cleanup stack - - blr - -save_regs_r13_r25: - stdu r1,-0x98(r1) # allocate space on stack - - std r13,0x30(r1) - std r14,0x38(r1) - std r15,0x40(r1) - std r16,0x48(r1) - std r17,0x50(r1) - std r18,0x58(r1) - std r19,0x60(r1) - std r20,0x68(r1) - std r21,0x70(r1) - std r22,0x78(r1) - std r23,0x80(r1) - std r24,0x88(r1) - std r25,0x90(r1) - - blr - -restore_regs_r13_r25: - ld r13,0x30(r1) # restore registers from stack - ld r14,0x38(r1) - ld r15,0x40(r1) - ld r16,0x48(r1) - ld r17,0x50(r1) - ld r18,0x58(r1) - ld r19,0x60(r1) - ld r20,0x68(r1) - ld r21,0x70(r1) - ld r22,0x78(r1) - ld r23,0x80(r1) - ld r24,0x88(r1) - ld r25,0x90(r1) - - addi r1,r1,0x98 # cleanup stack - - blr diff --git a/qemu/roms/SLOF/rtas/rtas_entry.S b/qemu/roms/SLOF/rtas/rtas_entry.S deleted file mode 100644 index 424137bf5..000000000 --- a/qemu/roms/SLOF/rtas/rtas_entry.S +++ /dev/null @@ -1,72 +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 <rtas.h> - - -/* -Function: - Input: - r3: rtas parm structure - r4: base address - Output: - -Decription: Main entry point, called from OS. Second parameter is not - used. - -*/ - .globl rtas_entry -rtas_entry: - mfmsr r11 # Get MSR to enable 64-bit mode - mr r7,r11 - rotldi r11,r11,1 - ori r11,r11,1 # Always enable 64-bit mode flag - rotldi r11,r11,63 - mtmsrd r11 # Switch to 64-bit mode - isync - - mr r9,r1 # save old stack pointer - mflr r10 # save link register - bcl 20,31,.over # branch to over -.base: - .align 3 -..got: .quad _got-.base -..stack: .quad .stack+RTAS_STACKSIZE-0x60-.base -.over: - mflr r8 # gpr 8 is the base - ld r1,..stack-.base(r8) # load new stack pointer - add r1,r1,r8 # add base - std r2,64(r1) # save toc - ld r2,..got-.base(r8) # load got pointer - std r7,72(r1) # save original msr - std r10,80(r1) # save link register - std r9,0(r1) # save stack pointer - add r2,r2,r8 # add base - - bl save_regs_r3_r12 - bl .rtas_call - bl restore_regs_r3_r12 - -rtas_return: - ld r11,72(r1) # restore msr value - ld r0,80(r1) # restore link register value - ld r2,64(r1) # restore toc - ld r1,0(r1) # get old stack - mtmsrd r11 # restore msr (32 bit ?) - isync - mtlr r0 - blr - - - - .globl .stack - .lcomm .stack,RTAS_STACKSIZE |