diff options
Diffstat (limited to 'hw/mips_r4k.c')
| -rw-r--r-- | hw/mips_r4k.c | 48 |
1 files changed, 26 insertions, 22 deletions
diff --git a/hw/mips_r4k.c b/hw/mips_r4k.c index dfcf867582..e4817e6b7f 100644 --- a/hw/mips_r4k.c +++ b/hw/mips_r4k.c @@ -36,6 +36,13 @@ static PITState *pit; /* PIT i8254 */ /*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) { @@ -64,16 +71,13 @@ static CPUReadMemoryFunc *mips_qemu_read[] = { static int mips_qemu_iomemtype = 0; -static 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) @@ -81,29 +85,29 @@ static void load_kernel (CPUState *env, int ram_size, 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); } } @@ -115,10 +119,12 @@ static void load_kernel (CPUState *env, int ram_size, "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); @@ -131,9 +137,8 @@ static void main_cpu_reset(void *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 @@ -194,12 +199,11 @@ void mips_r4k_init (int ram_size, int vga_ram_size, const char *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 */ |