#include "sysemu/blockdev.h"
#include "hw/sysbus.h"
#include "exec/address-spaces.h"
+#include "sysemu/qtest.h"
+#include "qemu/error-report.h"
enum jazz_model_e
{
static void cpu_request_exit(void *opaque, int irq, int level)
{
- CPUMIPSState *env = cpu_single_env;
+ CPUState *cpu = current_cpu;
- if (env && level) {
- cpu_exit(CPU(mips_env_get_cpu(env)));
+ if (cpu && level) {
+ cpu_exit(cpu);
}
}
+static CPUUnassignedAccess real_do_unassigned_access;
+static void mips_jazz_do_unassigned_access(CPUState *cpu, hwaddr addr,
+ bool is_write, bool is_exec,
+ int opaque, unsigned size)
+{
+ if (!is_exec) {
+ /* ignore invalid access (ie do not raise exception) */
+ return;
+ }
+ (*real_do_unassigned_access)(cpu, addr, is_write, is_exec, opaque, size);
+}
+
static void mips_jazz_init(MemoryRegion *address_space,
MemoryRegion *address_space_io,
ram_addr_t ram_size,
char *filename;
int bios_size, n;
MIPSCPU *cpu;
+ CPUClass *cc;
CPUMIPSState *env;
qemu_irq *rc4030, *i8259;
rc4030_dma *dmas;
void* rc4030_opaque;
+ MemoryRegion *isa = g_new(MemoryRegion, 1);
MemoryRegion *rtc = g_new(MemoryRegion, 1);
MemoryRegion *i8042 = g_new(MemoryRegion, 1);
MemoryRegion *dma_dummy = g_new(MemoryRegion, 1);
env = &cpu->env;
qemu_register_reset(main_cpu_reset, cpu);
+ /* Chipset returns 0 in invalid reads and do not raise data exceptions.
+ * However, we can't simply add a global memory region to catch
+ * everything, as memory core directly call unassigned_mem_read/write
+ * on some invalid accesses, which call do_unassigned_access on the
+ * CPU, which raise an exception.
+ * Handle that case by hijacking the do_unassigned_access method on
+ * the CPU, and do not raise exceptions for data access. */
+ cc = CPU_GET_CLASS(cpu);
+ real_do_unassigned_access = cc->do_unassigned_access;
+ cc->do_unassigned_access = mips_jazz_do_unassigned_access;
+
/* allocate RAM */
- memory_region_init_ram(ram, "mips_jazz.ram", ram_size);
+ memory_region_init_ram(ram, NULL, "mips_jazz.ram", ram_size);
vmstate_register_ram_global(ram);
memory_region_add_subregion(address_space, 0, ram);
- memory_region_init_ram(bios, "mips_jazz.bios", MAGNUM_BIOS_SIZE);
+ memory_region_init_ram(bios, NULL, "mips_jazz.bios", MAGNUM_BIOS_SIZE);
vmstate_register_ram_global(bios);
memory_region_set_readonly(bios, true);
- memory_region_init_alias(bios2, "mips_jazz.bios", bios,
+ memory_region_init_alias(bios2, NULL, "mips_jazz.bios", bios,
0, MAGNUM_BIOS_SIZE);
memory_region_add_subregion(address_space, 0x1fc00000LL, bios);
memory_region_add_subregion(address_space, 0xfff00000LL, bios2);
} else {
bios_size = -1;
}
- if (bios_size < 0 || bios_size > MAGNUM_BIOS_SIZE) {
- fprintf(stderr, "qemu: Could not load MIPS bios '%s'\n",
- bios_name);
+ if ((bios_size < 0 || bios_size > MAGNUM_BIOS_SIZE) && !qtest_enabled()) {
+ error_report("Could not load MIPS bios '%s'", bios_name);
exit(1);
}
/* Chipset */
rc4030_opaque = rc4030_init(env->irq[6], env->irq[3], &rc4030, &dmas,
address_space);
- memory_region_init_io(dma_dummy, &dma_dummy_ops, NULL, "dummy_dma", 0x1000);
+ memory_region_init_io(dma_dummy, NULL, &dma_dummy_ops, NULL, "dummy_dma", 0x1000);
memory_region_add_subregion(address_space, 0x8000d000, dma_dummy);
/* ISA devices */
pcspk_init(isa_bus, pit);
/* ISA IO space at 0x90000000 */
- isa_mmio_init(0x90000000, 0x01000000);
+ memory_region_init_alias(isa, NULL, "isa_mmio",
+ get_system_io(), 0, 0x01000000);
+ memory_region_add_subregion(address_space, 0x90000000, isa);
isa_mem_base = 0x11000000;
/* Video card */
{
/* Simple ROM, so user doesn't have to provide one */
MemoryRegion *rom_mr = g_new(MemoryRegion, 1);
- memory_region_init_ram(rom_mr, "g364fb.rom", 0x80000);
+ memory_region_init_ram(rom_mr, NULL, "g364fb.rom", 0x80000);
vmstate_register_ram_global(rom_mr);
memory_region_set_readonly(rom_mr, true);
uint8_t *rom = memory_region_get_ram_ptr(rom_mr);
/* Real time clock */
rtc_init(isa_bus, 1980, NULL);
- memory_region_init_io(rtc, &rtc_ops, NULL, "rtc", 0x1000);
+ memory_region_init_io(rtc, NULL, &rtc_ops, NULL, "rtc", 0x1000);
memory_region_add_subregion(address_space, 0x80004000, rtc);
/* Keyboard (i8042) */
.desc = "MIPS Magnum",
.init = mips_magnum_init,
.block_default_type = IF_SCSI,
- DEFAULT_MACHINE_OPTIONS,
};
static QEMUMachine mips_pica61_machine = {
.desc = "Acer Pica 61",
.init = mips_pica61_init,
.block_default_type = IF_SCSI,
- DEFAULT_MACHINE_OPTIONS,
};
static void mips_jazz_machine_init(void)