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Diffstat (limited to 'hw/ppc_newworld.c')
-rw-r--r--hw/ppc_newworld.c37
1 files changed, 35 insertions, 2 deletions
diff --git a/hw/ppc_newworld.c b/hw/ppc_newworld.c
index b28586485b..4a33ebde09 100644
--- a/hw/ppc_newworld.c
+++ b/hw/ppc_newworld.c
@@ -78,6 +78,12 @@ static CPUReadMemoryFunc *unin_read[] = {
&unin_readl,
};
+static int fw_cfg_boot_set(void *opaque, const char *boot_device)
+{
+ fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
+ return 0;
+}
+
/* PowerPC Mac99 hardware initialisation */
static void ppc_core99_init (ram_addr_t ram_size, int vga_ram_size,
const char *boot_device,
@@ -167,9 +173,24 @@ static void ppc_core99_init (ram_addr_t ram_size, int vga_ram_size,
}
if (linux_boot) {
+ uint64_t lowaddr = 0;
kernel_base = KERNEL_LOAD_ADDR;
- /* now we can load the kernel */
- kernel_size = load_image(kernel_filename, phys_ram_base + kernel_base);
+
+ /* Now we can load the kernel. The first step tries to load the kernel
+ supposing PhysAddr = 0x00000000. If that was wrong the kernel is
+ loaded again, the new PhysAddr being computed from lowaddr. */
+ kernel_size = load_elf(kernel_filename, kernel_base, NULL, &lowaddr, NULL);
+ if (kernel_size > 0 && lowaddr != KERNEL_LOAD_ADDR) {
+ kernel_size = load_elf(kernel_filename, (2 * kernel_base) - lowaddr,
+ NULL, 0, NULL);
+ }
+ if (kernel_size < 0)
+ kernel_size = load_aout(kernel_filename, kernel_base,
+ ram_size - kernel_base);
+ if (kernel_size < 0)
+ kernel_size = load_image_targphys(kernel_filename,
+ kernel_base,
+ ram_size - kernel_base);
if (kernel_size < 0) {
cpu_abort(env, "qemu: could not load kernel '%s'\n",
kernel_filename);
@@ -321,6 +342,18 @@ static void ppc_core99_init (ram_addr_t ram_size, int vga_ram_size,
fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_MAC99);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
+ if (kernel_cmdline) {
+ fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR);
+ pstrcpy_targphys(CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline);
+ } else {
+ fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
+ }
+ fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
+ fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
+ qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
}
QEMUMachine core99_machine = {