diff options
Diffstat (limited to 'hw/mips_r4k.c')
| -rw-r--r-- | hw/mips_r4k.c | 105 |
1 files changed, 65 insertions, 40 deletions
diff --git a/hw/mips_r4k.c b/hw/mips_r4k.c index 5769ade96..63bd15824 100644 --- a/hw/mips_r4k.c +++ b/hw/mips_r4k.c @@ -7,7 +7,13 @@ * All peripherial devices are attached to this "bus" with * the standard PC ISA addresses. */ -#include "vl.h" +#include "hw.h" +#include "mips.h" +#include "pc.h" +#include "isa.h" +#include "net.h" +#include "sysemu.h" +#include "boards.h" #ifdef TARGET_WORDS_BIGENDIAN #define BIOS_FILENAME "mips_bios.bin" @@ -15,14 +21,12 @@ #define BIOS_FILENAME "mipsel_bios.bin" #endif -#ifdef TARGET_MIPS64 -#define PHYS_TO_VIRT(x) ((x) | ~0x7fffffffULL) -#else -#define PHYS_TO_VIRT(x) ((x) | ~0x7fffffffU) -#endif +#define PHYS_TO_VIRT(x) ((x) | ~(target_ulong)0x7fffffff) #define VIRT_TO_PHYS_ADDEND (-((int64_t)(int32_t)0x80000000)) +#define MAX_IDE_BUS 2 + static const int ide_iobase[2] = { 0x1f0, 0x170 }; static const int ide_iobase2[2] = { 0x3f6, 0x376 }; static const int ide_irq[2] = { 14, 15 }; @@ -34,7 +38,14 @@ extern FILE *logfile; static PITState *pit; /* PIT i8254 */ -/*i8254 PIT is attached to the IRQ0 at PIC i8259 */ +/* i8254 PIT is attached to the IRQ0 at PIC i8259 */ + +static struct _loaderparams { + int ram_size; + const char *kernel_filename; + const char *kernel_cmdline; + const char *initrd_filename; +} loaderparams; static void mips_qemu_writel (void *opaque, target_phys_addr_t addr, uint32_t val) @@ -64,15 +75,13 @@ static CPUReadMemoryFunc *mips_qemu_read[] = { static int mips_qemu_iomemtype = 0; -void load_kernel (CPUState *env, int ram_size, const char *kernel_filename, - const char *kernel_cmdline, - const char *initrd_filename) +static void load_kernel (CPUState *env) { int64_t entry, kernel_low, kernel_high; long kernel_size, initrd_size; ram_addr_t initrd_offset; - kernel_size = load_elf(kernel_filename, VIRT_TO_PHYS_ADDEND, + kernel_size = load_elf(loaderparams.kernel_filename, VIRT_TO_PHYS_ADDEND, &entry, &kernel_low, &kernel_high); if (kernel_size >= 0) { if ((entry & ~0x7fffffffULL) == 0x80000000) @@ -80,29 +89,29 @@ void load_kernel (CPUState *env, int ram_size, const char *kernel_filename, env->PC[env->current_tc] = entry; } else { fprintf(stderr, "qemu: could not load kernel '%s'\n", - kernel_filename); + loaderparams.kernel_filename); exit(1); } /* load initrd */ initrd_size = 0; initrd_offset = 0; - if (initrd_filename) { - initrd_size = get_image_size (initrd_filename); + if (loaderparams.initrd_filename) { + initrd_size = get_image_size (loaderparams.initrd_filename); if (initrd_size > 0) { initrd_offset = (kernel_high + ~TARGET_PAGE_MASK) & TARGET_PAGE_MASK; if (initrd_offset + initrd_size > ram_size) { fprintf(stderr, "qemu: memory too small for initial ram disk '%s'\n", - initrd_filename); + loaderparams.initrd_filename); exit(1); } - initrd_size = load_image(initrd_filename, + initrd_size = load_image(loaderparams.initrd_filename, phys_ram_base + initrd_offset); } if (initrd_size == (target_ulong) -1) { fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", - initrd_filename); + loaderparams.initrd_filename); exit(1); } } @@ -114,10 +123,12 @@ void load_kernel (CPUState *env, int ram_size, const char *kernel_filename, "rd_start=0x" TARGET_FMT_lx " rd_size=%li ", PHYS_TO_VIRT((uint32_t)initrd_offset), initrd_size); - strcpy (phys_ram_base + (16 << 20) - 256 + ret, kernel_cmdline); + strcpy (phys_ram_base + (16 << 20) - 256 + ret, + loaderparams.kernel_cmdline); } else { - strcpy (phys_ram_base + (16 << 20) - 256, kernel_cmdline); + strcpy (phys_ram_base + (16 << 20) - 256, + loaderparams.kernel_cmdline); } *(int32_t *)(phys_ram_base + (16 << 20) - 260) = tswap32 (0x12345678); @@ -128,16 +139,14 @@ static void main_cpu_reset(void *opaque) { CPUState *env = opaque; cpu_reset(env); - cpu_mips_register(env, NULL); - if (env->kernel_filename) - load_kernel (env, env->ram_size, env->kernel_filename, - env->kernel_cmdline, env->initrd_filename); + if (loaderparams.kernel_filename) + load_kernel (env); } static -void mips_r4k_init (int ram_size, int vga_ram_size, int boot_device, - DisplayState *ds, const char **fd_filename, int snapshot, +void mips_r4k_init (int ram_size, int vga_ram_size, + const char *boot_device, DisplayState *ds, const char *kernel_filename, const char *kernel_cmdline, const char *initrd_filename, const char *cpu_model) { @@ -147,8 +156,9 @@ void mips_r4k_init (int ram_size, int vga_ram_size, int boot_device, CPUState *env; RTCState *rtc_state; int i; - mips_def_t *def; qemu_irq *i8259; + int index; + BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; /* init CPUs */ if (cpu_model == NULL) { @@ -158,10 +168,11 @@ void mips_r4k_init (int ram_size, int vga_ram_size, int boot_device, cpu_model = "24Kf"; #endif } - if (mips_find_by_name(cpu_model, &def) != 0) - def = NULL; - env = cpu_init(); - cpu_mips_register(env, def); + env = cpu_init(cpu_model); + if (!env) { + fprintf(stderr, "Unable to find CPU definition\n"); + exit(1); + } register_savevm("cpu", 0, 3, cpu_save, cpu_load, env); qemu_register_reset(main_cpu_reset, env); @@ -179,7 +190,9 @@ void mips_r4k_init (int ram_size, int vga_ram_size, int boot_device, preloaded we also initialize the hardware, since the BIOS wasn't run. */ bios_offset = ram_size + vga_ram_size; - snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME); + if (bios_name == NULL) + bios_name = BIOS_FILENAME; + snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name); bios_size = load_image(buf, phys_ram_base + bios_offset); if ((bios_size > 0) && (bios_size <= BIOS_SIZE)) { cpu_register_physical_memory(0x1fc00000, @@ -191,12 +204,11 @@ void mips_r4k_init (int ram_size, int vga_ram_size, int boot_device, } if (kernel_filename) { - load_kernel (env, ram_size, kernel_filename, kernel_cmdline, - initrd_filename); - env->ram_size = ram_size; - env->kernel_filename = kernel_filename; - env->kernel_cmdline = kernel_cmdline; - env->initrd_filename = initrd_filename; + loaderparams.ram_size = ram_size; + loaderparams.kernel_filename = kernel_filename; + loaderparams.kernel_cmdline = kernel_cmdline; + loaderparams.initrd_filename = initrd_filename; + load_kernel (env); } /* Init CPU internal devices */ @@ -237,12 +249,25 @@ void mips_r4k_init (int ram_size, int vga_ram_size, int boot_device, } } - for(i = 0; i < 2; i++) + if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) { + fprintf(stderr, "qemu: too many IDE bus\n"); + exit(1); + } + + for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) { + index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS); + if (index != -1) + hd[i] = drives_table[index].bdrv; + else + hd[i] = NULL; + } + + for(i = 0; i < MAX_IDE_BUS; i++) isa_ide_init(ide_iobase[i], ide_iobase2[i], i8259[ide_irq[i]], - bs_table[2 * i], bs_table[2 * i + 1]); + hd[MAX_IDE_DEVS * i], + hd[MAX_IDE_DEVS * i + 1]); i8042_init(i8259[1], i8259[12], 0x60); - ds1225y_init(0x9000, "nvram"); } QEMUMachine mips_machine = { |