diff options
Diffstat (limited to 'qemu/roms/openbios/libopenbios/xcoff_load.c')
| -rw-r--r-- | qemu/roms/openbios/libopenbios/xcoff_load.c | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/qemu/roms/openbios/libopenbios/xcoff_load.c b/qemu/roms/openbios/libopenbios/xcoff_load.c deleted file mode 100644 index 0dcb28ca4..000000000 --- a/qemu/roms/openbios/libopenbios/xcoff_load.c +++ /dev/null @@ -1,147 +0,0 @@ -/* - * - * <xcoff_load.c> - * - * XCOFF file loader - * - * Copyright (C) 2009 Laurent Vivier (Laurent@vivier.eu) - * - * from original XCOFF loader by Steven Noonan <steven@uplinklabs.net> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 - * - */ - -#include "config.h" -#include "libopenbios/bindings.h" -#include "libopenbios/xcoff_load.h" - -#include "arch/common/xcoff.h" - -#ifdef CONFIG_PPC -extern void flush_icache_range( char *start, char *stop ); -#endif - -//#define DEBUG_XCOFF - -#ifdef DEBUG_XCOFF -#define DPRINTF(fmt, args...) \ - do { printk("%s: " fmt, __func__ , ##args); } while (0) -#else -#define DPRINTF(fmt, args...) \ - do { } while (0) -#endif - -int -is_xcoff(COFF_filehdr_t *fhdr) -{ - return (fhdr->f_magic == U802WRMAGIC - || fhdr->f_magic == U802ROMAGIC - || fhdr->f_magic == U802TOCMAGIC - || fhdr->f_magic == U802TOMAGIC); -} - -int -xcoff_load(struct sys_info *info, const char *filename) -{ - // Currently not implemented - return LOADER_NOT_SUPPORT; -} - -void -xcoff_init_program(void) -{ - char *base; - COFF_filehdr_t *fhdr; - COFF_aouthdr_t *ahdr; - COFF_scnhdr_t *shdr; - uint32_t offset; - size_t total_size = 0; - int i; - - feval("0 state-valid !"); - - feval("load-base"); - base = (char*)cell2pointer(POP()); - - fhdr = (COFF_filehdr_t*)base; - - /* Is it an XCOFF file ? */ - if (!is_xcoff(fhdr)) { - DPRINTF("Not a XCOFF file %02x\n", fhdr->f_magic); - return; - } - - /* Is it executable ? */ - if (fhdr->f_magic != 0x01DF && - (fhdr->f_flags & COFF_F_EXEC) == 0) { - DPRINTF("Not an executable XCOFF file %02x\n", fhdr->f_flags); - return; - } - - /* Optional header is a.out ? */ - if (fhdr->f_opthdr != sizeof(COFF_aouthdr_t)) { - DPRINTF("AOUT optional error size mismatch in XCOFF file\n"); - return; - } - - ahdr = (COFF_aouthdr_t*)(base + sizeof(COFF_filehdr_t)); - - /* check a.out magic number */ - if (ahdr->magic != AOUT_MAGIC) { - DPRINTF("Invalid AOUT optional header\n"); - return; - } - - offset = sizeof(COFF_filehdr_t) + sizeof(COFF_aouthdr_t); - - DPRINTF("XCOFF file with %d sections\n", fhdr->f_nscns); - - for (i = 0; i < fhdr->f_nscns; i++) { - - DPRINTF("Read header at offset %0x\n", offset); - - shdr = (COFF_scnhdr_t*)(base + offset); - - DPRINTF("Initializing '%s' section from %0x %0x to %0x (%0x)\n", - shdr->s_name, offset, shdr->s_scnptr, - shdr->s_vaddr, shdr->s_size); - - if (strcmp(shdr->s_name, ".text") == 0) { - - memcpy((char*)(uintptr_t)shdr->s_vaddr, base + shdr->s_scnptr, - shdr->s_size); - total_size += shdr->s_size; -#ifdef CONFIG_PPC - flush_icache_range((char*)(uintptr_t)shdr->s_vaddr, - (char*)(uintptr_t)(shdr->s_vaddr + shdr->s_size)); -#endif - } else if (strcmp(shdr->s_name, ".data") == 0) { - - memcpy((char*)(uintptr_t)shdr->s_vaddr, base + shdr->s_scnptr, - shdr->s_size); - total_size += shdr->s_size; - - } else if (strcmp(shdr->s_name, ".bss") == 0) { - - memset((void *)(uintptr_t)shdr->s_vaddr, 0, shdr->s_size); - total_size += shdr->s_size; - } else { - DPRINTF(" Skip '%s' section\n", shdr->s_name); - } - offset += sizeof(COFF_scnhdr_t); - } - - DPRINTF("XCOFF entry point: %x\n", *(uint32_t*)ahdr->entry); - - // Initialise saved-program-state - PUSH(*(uint32_t*)(uintptr_t)ahdr->entry); - feval("saved-program-state >sps.entry !"); - PUSH(total_size); - feval("saved-program-state >sps.file-size !"); - feval("xcoff saved-program-state >sps.file-type !"); - - feval("-1 state-valid !"); -} |