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pseries: Fix loading of little endian kernels

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Try loading the kernel as little endian if it fails big endian.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Benjamin Herrenschmidt 2013-09-25 17:40:15 +10:00 committed by Alexander Graf
parent 09b04845a7
commit 16457e7f4a
1 changed files with 12 additions and 1 deletions
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13
hw/ppc/spapr.c
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@ -273,6 +273,7 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
hwaddr initrd_base, hwaddr initrd_base,
hwaddr initrd_size, hwaddr initrd_size,
hwaddr kernel_size, hwaddr kernel_size,
bool little_endian,
const char *boot_device, const char *boot_device,
const char *kernel_cmdline, const char *kernel_cmdline,
uint32_t epow_irq) uint32_t epow_irq)
@ -326,6 +327,9 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
cpu_to_be64(kernel_size) }; cpu_to_be64(kernel_size) };
_FDT((fdt_property(fdt, "qemu,boot-kernel", &kprop, sizeof(kprop)))); _FDT((fdt_property(fdt, "qemu,boot-kernel", &kprop, sizeof(kprop))));
if (little_endian) {
_FDT((fdt_property(fdt, "qemu,boot-kernel-le", NULL, 0)));
}
} }
if (boot_device) { if (boot_device) {
_FDT((fdt_property_string(fdt, "qemu,boot-device", boot_device))); _FDT((fdt_property_string(fdt, "qemu,boot-device", boot_device)));
@ -1102,6 +1106,7 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
uint32_t initrd_base = 0; uint32_t initrd_base = 0;
long kernel_size = 0, initrd_size = 0; long kernel_size = 0, initrd_size = 0;
long load_limit, rtas_limit, fw_size; long load_limit, rtas_limit, fw_size;
bool kernel_le = false;
char *filename; char *filename;
msi_supported = true; msi_supported = true;
@ -1281,6 +1286,12 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL, kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0); NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0);
if (kernel_size < 0) {
kernel_size = load_elf(kernel_filename,
translate_kernel_address, NULL,
NULL, &lowaddr, NULL, 0, ELF_MACHINE, 0);
kernel_le = kernel_size > 0;
}
if (kernel_size < 0) { if (kernel_size < 0) {
kernel_size = load_image_targphys(kernel_filename, kernel_size = load_image_targphys(kernel_filename,
KERNEL_LOAD_ADDR, KERNEL_LOAD_ADDR,
@ -1331,7 +1342,7 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
/* Prepare the device tree */ /* Prepare the device tree */
spapr->fdt_skel = spapr_create_fdt_skel(cpu_model, spapr->fdt_skel = spapr_create_fdt_skel(cpu_model,
initrd_base, initrd_size, initrd_base, initrd_size,
kernel_size, kernel_size, kernel_le,
boot_device, kernel_cmdline, boot_device, kernel_cmdline,
spapr->epow_irq); spapr->epow_irq);
assert(spapr->fdt_skel != NULL); assert(spapr->fdt_skel != NULL);