diff options
Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/v86bios/cbios.c')
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/v86bios/cbios.c | 188 |
1 files changed, 94 insertions, 94 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/v86bios/cbios.c b/board/MAI/bios_emulator/scitech/src/v86bios/cbios.c index 4173c953b..6b12dff4f 100644 --- a/board/MAI/bios_emulator/scitech/src/v86bios/cbios.c +++ b/board/MAI/bios_emulator/scitech/src/v86bios/cbios.c @@ -57,18 +57,18 @@ main(int argc,char **argv) Config.IoStatistics = IO_STATISTICS; Config.PrintIrq = PRINT_IRQ; Config.PrintPci = PRINT_PCI; - Config.ShowAllDev = SHOW_ALL_DEV; - Config.PrintIp = PRINT_IP; - Config.SaveBios = SAVE_BIOS; - Config.Trace = TRACE; - Config.ConfigActiveOnly = CONFIG_ACTIVE_ONLY; + Config.ShowAllDev = SHOW_ALL_DEV; + Config.PrintIp = PRINT_IP; + Config.SaveBios = SAVE_BIOS; + Config.Trace = TRACE; + Config.ConfigActiveOnly = CONFIG_ACTIVE_ONLY; Config.ConfigActiveDevice = CONFIG_ACTIVE_DEVICE; - Config.MapSysBios = MAP_SYS_BIOS; - Config.Resort = RESORT; - Config.FixRom = FIX_ROM; - Config.NoConsole = NO_CONSOLE; + Config.MapSysBios = MAP_SYS_BIOS; + Config.Resort = RESORT; + Config.FixRom = FIX_ROM; + Config.NoConsole = NO_CONSOLE; Config.Verbose = VERBOSE; - + if (!map()) exit(1); if (!copy_sys_bios()) @@ -79,7 +79,7 @@ main(int argc,char **argv) exit(1); if (!copy_vbios(vbios_base)) exit(1); - + iopl(3); setup_io(); runBIOS(argc,argv); @@ -91,18 +91,18 @@ main(int argc,char **argv) exit (1); } -int +int map(void) { void* mem; mem = mmap(0, (size_t)SIZE, - PROT_EXEC | PROT_READ | PROT_WRITE, - MAP_FIXED | MAP_PRIVATE | MAP_ANON, - -1, 0 ); + PROT_EXEC | PROT_READ | PROT_WRITE, + MAP_FIXED | MAP_PRIVATE | MAP_ANON, + -1, 0 ); if (mem != 0) { - perror("anonymous map"); - return (0); + perror("anonymous map"); + return (0); } memset(mem,0,SIZE); @@ -117,14 +117,14 @@ copy_sys_bios(void) int mem_fd; if ((mem_fd = open(MEM_FILE,O_RDONLY))<0) { - perror("opening memory"); - return (0); + perror("opening memory"); + return (0); } - - if (lseek(mem_fd,(off_t) SYS_BIOS,SEEK_SET) != (off_t) SYS_BIOS) - goto Error; - if (read(mem_fd, (char *)SYS_BIOS, (size_t) 0xFFFF) != (size_t) 0xFFFF) - goto Error; + + if (lseek(mem_fd,(off_t) SYS_BIOS,SEEK_SET) != (off_t) SYS_BIOS) + goto Error; + if (read(mem_fd, (char *)SYS_BIOS, (size_t) 0xFFFF) != (size_t) 0xFFFF) + goto Error; close(mem_fd); return (1); @@ -141,33 +141,33 @@ map_vram(void) int mem_fd; #ifdef __ia64__ - if ((mem_fd = open(MEM_FILE,O_RDWR | O_SYNC))<0) + if ((mem_fd = open(MEM_FILE,O_RDWR | O_SYNC))<0) #else - if ((mem_fd = open(MEM_FILE,O_RDWR))<0) + if ((mem_fd = open(MEM_FILE,O_RDWR))<0) #endif { - perror("opening memory"); - return 0; + perror("opening memory"); + return 0; } #ifndef __alpha__ if (mmap((void *) VRAM_START, (size_t) VRAM_SIZE, - PROT_EXEC | PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, - mem_fd, VRAM_START) == (void *) -1) + PROT_EXEC | PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, + mem_fd, VRAM_START) == (void *) -1) #else - if (!_bus_base()) sparse_shift = 7; /* Uh, oh, JENSEN... */ - if (!_bus_base_sparse()) sparse_shift = 0; - if ((vram_map = mmap(0,(size_t) (VRAM_SIZE << sparse_shift), - PROT_READ | PROT_WRITE, - MAP_SHARED, - mem_fd, (VRAM_START << sparse_shift) - | _bus_base_sparse())) == (void *) -1) + if (!_bus_base()) sparse_shift = 7; /* Uh, oh, JENSEN... */ + if (!_bus_base_sparse()) sparse_shift = 0; + if ((vram_map = mmap(0,(size_t) (VRAM_SIZE << sparse_shift), + PROT_READ | PROT_WRITE, + MAP_SHARED, + mem_fd, (VRAM_START << sparse_shift) + | _bus_base_sparse())) == (void *) -1) #endif { - perror("mmap error in map_hardware_ram"); - close(mem_fd); - return (0); - } + perror("mmap error in map_hardware_ram"); + close(mem_fd); + return (0); + } vram_mapped = 1; close(mem_fd); return (1); @@ -181,39 +181,39 @@ copy_vbios(memType v_base) int size; if ((mem_fd = open(MEM_FILE,O_RDONLY))<0) { - perror("opening memory"); - return (0); + perror("opening memory"); + return (0); } - if (lseek(mem_fd,(off_t) v_base, SEEK_SET) != (off_t) v_base) { - fprintf(stderr,"Cannot lseek\n"); - goto Error; + if (lseek(mem_fd,(off_t) v_base, SEEK_SET) != (off_t) v_base) { + fprintf(stderr,"Cannot lseek\n"); + goto Error; } tmp = (unsigned char *)malloc(3); if (read(mem_fd, (char *)tmp, (size_t) 3) != (size_t) 3) { - fprintf(stderr,"Cannot read\n"); - goto Error; + fprintf(stderr,"Cannot read\n"); + goto Error; } - if (lseek(mem_fd,(off_t) v_base,SEEK_SET) != (off_t) v_base) - goto Error; + if (lseek(mem_fd,(off_t) v_base,SEEK_SET) != (off_t) v_base) + goto Error; if (*tmp != 0x55 || *(tmp+1) != 0xAA ) { - fprintf(stderr,"No bios found at: 0x%lx\n",v_base); - goto Error; + fprintf(stderr,"No bios found at: 0x%lx\n",v_base); + goto Error; } #ifdef DEBUG - dprint((unsigned long)tmp,0x100); + dprint((unsigned long)tmp,0x100); #endif size = *(tmp+2) * 512; if (read(mem_fd, (char *)v_base, (size_t) size) != (size_t) size) { - fprintf(stderr,"Cannot read\n"); - goto Error; + fprintf(stderr,"Cannot read\n"); + goto Error; } free(tmp); close(mem_fd); if (!chksum((CARD8*)v_base)) - return (0); + return (0); return (1); @@ -233,7 +233,7 @@ static void unmap_vram(void) { if (!vram_mapped) return; - + munmap((void*)VRAM_START,VRAM_SIZE); vram_mapped = 0; } @@ -259,15 +259,15 @@ setup_int_vect(void) int mem_fd; CARD32 vbase; void *map; - + if ((mem_fd = open(MEM_FILE,O_RDONLY))<0) { perror("opening memory"); return (0); } - + if ((map = mmap((void *) 0, (size_t) 0x2000, - PROT_EXEC | PROT_READ | PROT_WRITE, MAP_SHARED, - mem_fd, 0)) == (void *)-1) { + PROT_EXEC | PROT_READ | PROT_WRITE, MAP_SHARED, + mem_fd, 0)) == (void *)-1) { perror("mmap error in map_hardware_ram"); close(mem_fd); return (0); @@ -282,7 +282,7 @@ setup_int_vect(void) */ bios_var = (char *)malloc(BIOS_MEM); memcpy(bios_var,0,BIOS_MEM); - + vbase = (*((CARD16*)(0x10 << 2) + 1)) << 4; fprintf(stderr,"vbase: 0x%x\n",vbase); return vbase; @@ -294,28 +294,28 @@ update_bios_vars(void) int mem_fd; void *map; memType i; - + #ifdef __ia64__ - if ((mem_fd = open(MEM_FILE,O_RDWR | O_SYNC))<0) + if ((mem_fd = open(MEM_FILE,O_RDWR | O_SYNC))<0) #else - if ((mem_fd = open(MEM_FILE,O_RDWR))<0) + if ((mem_fd = open(MEM_FILE,O_RDWR))<0) #endif { - perror("opening memory"); - return; + perror("opening memory"); + return; } - + if ((map = mmap((void *) 0, (size_t) 0x2000, - PROT_EXEC | PROT_READ | PROT_WRITE, MAP_SHARED, - mem_fd, 0)) == (void *)-1) { + PROT_EXEC | PROT_READ | PROT_WRITE, MAP_SHARED, + mem_fd, 0)) == (void *)-1) { perror("mmap error in map_hardware_ram"); close(mem_fd); return; } for (i = 0; i < BIOS_MEM; i++) { - if (bios_var[i] != *(CARD8*)i) - *((CARD8*)map + i) = *(CARD8*)i; + if (bios_var[i] != *(CARD8*)i) + *((CARD8*)map + i) = *(CARD8*)i; } munmap(map,0x2000); @@ -338,23 +338,23 @@ setup_bios_regs(i86biosRegsPtr regs, int argc, char **argv) while ((c = getopt(argc,argv,"a:b:c:d:e:i:")) != EOF) { switch (c) { case 'a': - regs->ax = strtol(optarg,NULL,0); - break; + regs->ax = strtol(optarg,NULL,0); + break; case 'b': - regs->bx = strtol(optarg,NULL,0); - break; + regs->bx = strtol(optarg,NULL,0); + break; case 'c': - regs->cx = strtol(optarg,NULL,0); - break; + regs->cx = strtol(optarg,NULL,0); + break; case 'd': - regs->dx = strtol(optarg,NULL,0); - break; + regs->dx = strtol(optarg,NULL,0); + break; case 'e': - regs->es = strtol(optarg,NULL,0); - break; + regs->es = strtol(optarg,NULL,0); + break; case 'i': - regs->di = strtol(optarg,NULL,0); - break; + regs->di = strtol(optarg,NULL,0); + break; } } } @@ -367,10 +367,10 @@ chksum(CARD8 *start) CARD8 val = 0; int i; - size = *(start+2) * 512; + size = *(start+2) * 512; for (i = 0; i<size; i++) val += *(start + i); - + if (!val) return 1; @@ -391,25 +391,25 @@ loadCodeToMem(unsigned char *ptr, CARD8 code[]) { int i; CARD8 val; - + for ( i=0;;i++) { - val = code[i]; - *ptr++ = val; - if (val == 0xf4) break; + val = code[i]; + *ptr++ = val; + if (val == 0xf4) break; } return; } -void +void dprint(unsigned long start, unsigned long size) { int i,j; char *c = (char *)start; for (j = 0; j < (size >> 4); j++) { - printf ("\n0x%lx: ",(unsigned long)c); - for (i = 0; i<16; i++) - printf("%x ",(unsigned char) (*(c++))); + printf ("\n0x%lx: ",(unsigned long)c); + for (i = 0; i<16; i++) + printf("%x ",(unsigned char) (*(c++))); } printf("\n"); } |