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Diffstat (limited to 'hw/riscv/sifive_e.c')
-rw-r--r--hw/riscv/sifive_e.c54
1 files changed, 10 insertions, 44 deletions
diff --git a/hw/riscv/sifive_e.c b/hw/riscv/sifive_e.c
index 487244890e..e4ecb7aa4b 100644
--- a/hw/riscv/sifive_e.c
+++ b/hw/riscv/sifive_e.c
@@ -74,26 +74,13 @@ static const struct MemmapEntry {
[SIFIVE_E_DTIM] = { 0x80000000, 0x4000 }
};
-static void copy_le32_to_phys(hwaddr pa, uint32_t *rom, size_t len)
-{
- int i;
- for (i = 0; i < (len >> 2); i++) {
- stl_phys(&address_space_memory, pa + (i << 2), rom[i]);
- }
-}
-
-static uint64_t identity_translate(void *opaque, uint64_t addr)
-{
- return addr;
-}
-
static uint64_t load_kernel(const char *kernel_filename)
{
uint64_t kernel_entry, kernel_high;
- if (load_elf(kernel_filename, identity_translate, NULL,
+ if (load_elf(kernel_filename, NULL, NULL,
&kernel_entry, NULL, &kernel_high,
- 0, ELF_MACHINE, 1, 0) < 0) {
+ 0, EM_RISCV, 1, 0) < 0) {
error_report("qemu: could not load kernel '%s'", kernel_filename);
exit(1);
}
@@ -117,6 +104,7 @@ static void riscv_sifive_e_init(MachineState *machine)
MemoryRegion *main_mem = g_new(MemoryRegion, 1);
MemoryRegion *mask_rom = g_new(MemoryRegion, 1);
MemoryRegion *xip_mem = g_new(MemoryRegion, 1);
+ int i;
/* Initialize SOC */
object_initialize(&s->soc, sizeof(s->soc), TYPE_RISCV_HART_ARRAY);
@@ -136,7 +124,7 @@ static void riscv_sifive_e_init(MachineState *machine)
memmap[SIFIVE_E_DTIM].base, main_mem);
/* Mask ROM */
- memory_region_init_ram(mask_rom, NULL, "riscv.sifive.e.mrom",
+ memory_region_init_rom(mask_rom, NULL, "riscv.sifive.e.mrom",
memmap[SIFIVE_E_MROM].size, &error_fatal);
memory_region_add_subregion(sys_mem,
memmap[SIFIVE_E_MROM].base, mask_rom);
@@ -190,33 +178,18 @@ static void riscv_sifive_e_init(MachineState *machine)
0x00028067, /* 0x1004: jr t0 */
};
- /* copy in the reset vector */
- copy_le32_to_phys(memmap[SIFIVE_E_MROM].base, reset_vec, sizeof(reset_vec));
- memory_region_set_readonly(mask_rom, true);
+ /* copy in the reset vector in little_endian byte order */
+ for (i = 0; i < sizeof(reset_vec) >> 2; i++) {
+ reset_vec[i] = cpu_to_le32(reset_vec[i]);
+ }
+ rom_add_blob_fixed_as("mrom.reset", reset_vec, sizeof(reset_vec),
+ memmap[SIFIVE_E_MROM].base, &address_space_memory);
if (machine->kernel_filename) {
load_kernel(machine->kernel_filename);
}
}
-static int riscv_sifive_e_sysbus_device_init(SysBusDevice *sysbusdev)
-{
- return 0;
-}
-
-static void riscv_sifive_e_class_init(ObjectClass *klass, void *data)
-{
- SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
- k->init = riscv_sifive_e_sysbus_device_init;
-}
-
-static const TypeInfo riscv_sifive_e_device = {
- .name = TYPE_SIFIVE_E,
- .parent = TYPE_SYS_BUS_DEVICE,
- .instance_size = sizeof(SiFiveEState),
- .class_init = riscv_sifive_e_class_init,
-};
-
static void riscv_sifive_e_machine_init(MachineClass *mc)
{
mc->desc = "RISC-V Board compatible with SiFive E SDK";
@@ -225,10 +198,3 @@ static void riscv_sifive_e_machine_init(MachineClass *mc)
}
DEFINE_MACHINE("sifive_e", riscv_sifive_e_machine_init)
-
-static void riscv_sifive_e_register_types(void)
-{
- type_register_static(&riscv_sifive_e_device);
-}
-
-type_init(riscv_sifive_e_register_types);