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Sparc64: convert boot prom to qdev 

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2009-07-21 09:58:02 +00:00
parent daa6549120
commit 1baffa46ed
1 changed files with 62 additions and 29 deletions
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91
hw/sun4u.c
View File

@ -32,6 +32,7 @@
#include "boards.h" #include "boards.h"
#include "firmware_abi.h" #include "firmware_abi.h"
#include "fw_cfg.h" #include "fw_cfg.h"
#include "sysbus.h"
//#define DEBUG_IRQ //#define DEBUG_IRQ
@ -342,6 +343,64 @@ static void pci_ebus_register(void)
device_init(pci_ebus_register); device_init(pci_ebus_register);
/* Boot PROM (OpenBIOS) */
static void prom_init(target_phys_addr_t addr, const char *bios_name)
{
DeviceState *dev;
SysBusDevice *s;
char *filename;
int ret;
dev = qdev_create(NULL, "openprom");
qdev_init(dev);
s = sysbus_from_qdev(dev);
sysbus_mmio_map(s, 0, addr);
/* load boot prom */
if (bios_name == NULL) {
bios_name = PROM_FILENAME;
}
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
if (filename) {
ret = load_elf(filename, addr - PROM_VADDR, NULL, NULL, NULL);
if (ret < 0 || ret > PROM_SIZE_MAX) {
ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
}
qemu_free(filename);
} else {
ret = -1;
}
if (ret < 0 || ret > PROM_SIZE_MAX) {
fprintf(stderr, "qemu: could not load prom '%s'\n", bios_name);
exit(1);
}
}
static void prom_init1(SysBusDevice *dev)
{
ram_addr_t prom_offset;
prom_offset = qemu_ram_alloc(PROM_SIZE_MAX);
sysbus_init_mmio(dev, PROM_SIZE_MAX, prom_offset | IO_MEM_ROM);
}
static SysBusDeviceInfo prom_info = {
.init = prom_init1,
.qdev.name = "openprom",
.qdev.size = sizeof(SysBusDevice),
.qdev.props = (Property[]) {
{/* end of property list */}
}
};
static void prom_register_devices(void)
{
sysbus_register_withprop(&prom_info);
}
device_init(prom_register_devices);
static void sun4uv_init(ram_addr_t RAM_size, static void sun4uv_init(ram_addr_t RAM_size,
const char *boot_devices, const char *boot_devices,
const char *kernel_filename, const char *kernel_cmdline, const char *kernel_filename, const char *kernel_cmdline,
@ -349,11 +408,10 @@ static void sun4uv_init(ram_addr_t RAM_size,
const struct hwdef *hwdef) const struct hwdef *hwdef)
{ {
CPUState *env; CPUState *env;
char *filename;
m48t59_t *nvram; m48t59_t *nvram;
int ret, linux_boot; int linux_boot;
unsigned int i; unsigned int i;
ram_addr_t ram_offset, prom_offset; ram_addr_t ram_offset;
long initrd_size, kernel_size; long initrd_size, kernel_size;
PCIBus *pci_bus, *pci_bus2, *pci_bus3; PCIBus *pci_bus, *pci_bus2, *pci_bus3;
QEMUBH *bh; QEMUBH *bh;
@ -400,32 +458,7 @@ static void sun4uv_init(ram_addr_t RAM_size,
ram_offset = qemu_ram_alloc(RAM_size); ram_offset = qemu_ram_alloc(RAM_size);
cpu_register_physical_memory(0, RAM_size, ram_offset); cpu_register_physical_memory(0, RAM_size, ram_offset);
prom_offset = qemu_ram_alloc(PROM_SIZE_MAX); prom_init(hwdef->prom_addr, bios_name);
cpu_register_physical_memory(hwdef->prom_addr,
(PROM_SIZE_MAX + TARGET_PAGE_SIZE) &
TARGET_PAGE_MASK,
prom_offset | IO_MEM_ROM);
if (bios_name == NULL)
bios_name = PROM_FILENAME;
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
if (filename) {
ret = load_elf(filename, hwdef->prom_addr - PROM_VADDR,
NULL, NULL, NULL);
if (ret < 0) {
ret = load_image_targphys(filename, hwdef->prom_addr,
(PROM_SIZE_MAX + TARGET_PAGE_SIZE) &
TARGET_PAGE_MASK);
}
qemu_free(filename);
} else {
ret = -1;
}
if (ret < 0) {
fprintf(stderr, "qemu: could not load prom '%s'\n",
bios_name);
exit(1);
}
kernel_size = 0; kernel_size = 0;
initrd_size = 0; initrd_size = 0;