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hw/moxie/moxiesim: Add support for loading a BIOS on moxiesim 

The moxiesim machine already defines a memory region for a firmware,
but does not provide the possibility to load an image via "-bios" yet.
This will be needed for the boot-serial tester, so let's add support
for "-bios" here now.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1512031988-32490-6-git-send-email-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Thomas Huth 2017-11-30 09:53:06 +01:00 committed by Paolo Bonzini
parent e12c08d3b6
commit 7ce32f3005
1 changed files with 10 additions and 2 deletions
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12
hw/moxie/moxiesim.c
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@ -25,6 +25,7 @@
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "qemu/error-report.h"
#include "qapi/error.h"
#include "qemu-common.h"
#include "cpu.h"
@ -40,6 +41,8 @@
#include "elf.h"
#define PHYS_MEM_BASE 0x80000000
#define FIRMWARE_BASE 0x1000
#define FIRMWARE_SIZE (128 * 0x1000)
typedef struct {
uint64_t ram_size;
@ -122,8 +125,8 @@ static void moxiesim_init(MachineState *machine)
memory_region_init_ram(ram, NULL, "moxiesim.ram", ram_size, &error_fatal);
memory_region_add_subregion(address_space_mem, ram_base, ram);
memory_region_init_ram(rom, NULL, "moxie.rom", 128 * 0x1000, &error_fatal);
memory_region_add_subregion(get_system_memory(), 0x1000, rom);
memory_region_init_ram(rom, NULL, "moxie.rom", FIRMWARE_SIZE, &error_fatal);
memory_region_add_subregion(get_system_memory(), FIRMWARE_BASE, rom);
if (kernel_filename) {
loader_params.ram_size = ram_size;
@ -132,6 +135,11 @@ static void moxiesim_init(MachineState *machine)
loader_params.initrd_filename = initrd_filename;
load_kernel(cpu, &loader_params);
}
if (bios_name) {
if (load_image_targphys(bios_name, FIRMWARE_BASE, FIRMWARE_SIZE) < 0) {
error_report("Failed to load firmware '%s'", bios_name);
}
}
/* A single 16450 sits at offset 0x3f8. */
if (serial_hds[0]) {