diff options
Diffstat (limited to 'hw/lm32/milkymist.c')
| -rw-r--r-- | hw/lm32/milkymist.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/hw/lm32/milkymist.c b/hw/lm32/milkymist.c index 6d46134232..5c72266e58 100644 --- a/hw/lm32/milkymist.c +++ b/hw/lm32/milkymist.c @@ -36,6 +36,7 @@ #include "hw/display/milkymist_tmu2.h" #include "lm32.h" #include "exec/address-spaces.h" +#include "qemu/cutils.h" #define BIOS_FILENAME "mmone-bios.bin" #define BIOS_OFFSET 0x00860000 @@ -82,6 +83,7 @@ static void main_cpu_reset(void *opaque) static void milkymist_init(MachineState *machine) { + MachineClass *mc = MACHINE_GET_CLASS(machine); const char *kernel_filename = machine->kernel_filename; const char *kernel_cmdline = machine->kernel_cmdline; const char *initrd_filename = machine->initrd_filename; @@ -90,22 +92,27 @@ milkymist_init(MachineState *machine) int kernel_size; DriveInfo *dinfo; MemoryRegion *address_space_mem = get_system_memory(); - MemoryRegion *phys_sdram = g_new(MemoryRegion, 1); qemu_irq irq[32]; int i; char *bios_filename; ResetInfo *reset_info; + if (machine->ram_size != mc->default_ram_size) { + char *sz = size_to_str(mc->default_ram_size); + error_report("Invalid RAM size, should be %s", sz); + g_free(sz); + exit(EXIT_FAILURE); + } + /* memory map */ hwaddr flash_base = 0x00000000; size_t flash_sector_size = 128 * KiB; size_t flash_size = 32 * MiB; hwaddr sdram_base = 0x40000000; - size_t sdram_size = 128 * MiB; hwaddr initrd_base = sdram_base + 0x1002000; hwaddr cmdline_base = sdram_base + 0x1000000; - size_t initrd_max = sdram_size - 0x1002000; + size_t initrd_max = machine->ram_size - 0x1002000; reset_info = g_malloc0(sizeof(ResetInfo)); @@ -116,9 +123,7 @@ milkymist_init(MachineState *machine) cpu_lm32_set_phys_msb_ignore(env, 1); - memory_region_allocate_system_memory(phys_sdram, NULL, "milkymist.sdram", - sdram_size); - memory_region_add_subregion(address_space_mem, sdram_base, phys_sdram); + memory_region_add_subregion(address_space_mem, sdram_base, machine->ram); dinfo = drive_get(IF_PFLASH, 0, 0); /* Numonyx JS28F256J3F105 */ @@ -183,7 +188,7 @@ milkymist_init(MachineState *machine) if (kernel_size < 0) { kernel_size = load_image_targphys(kernel_filename, sdram_base, - sdram_size); + machine->ram_size); reset_info->bootstrap_pc = sdram_base; } @@ -216,6 +221,8 @@ static void milkymist_machine_init(MachineClass *mc) mc->init = milkymist_init; mc->is_default = 0; mc->default_cpu_type = LM32_CPU_TYPE_NAME("lm32-full"); + mc->default_ram_size = 128 * MiB; + mc->default_ram_id = "milkymist.sdram"; } DEFINE_MACHINE("milkymist", milkymist_machine_init) |