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fusee: support passing target firmware to kernel loader.

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This commit is contained in:
Michael Scire 2020-04-14 07:41:34 -07:00
parent a25be61e94
commit 9b677c81a5
3 changed files with 9 additions and 3 deletions
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8
fusee/fusee-secondary/src/kernel_patches.c
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@ -855,7 +855,7 @@ const kernel_info_t *get_kernel_info(void *kernel, size_t size) {
return NULL;
}
void package2_patch_kernel(void *_kernel, size_t *kernel_size, bool is_sd_kernel, void **out_ini1) {
void package2_patch_kernel(void *_kernel, size_t *kernel_size, bool is_sd_kernel, void **out_ini1, uint32_t target_firmware) {
const kernel_info_t *kernel_info = get_kernel_info(_kernel, *kernel_size);
*out_ini1 = NULL;
@ -876,6 +876,12 @@ void package2_patch_kernel(void *_kernel, size_t *kernel_size, bool is_sd_kernel
const uint32_t kernel_ldr_offset = *((volatile uint64_t *)((uintptr_t)_kernel + kernel_info->embedded_ini_ptr + 8));
memcpy((void *)((uintptr_t)_kernel + kernel_ldr_offset), kernel_ldr_bin, kernel_ldr_bin_size);
/* Set target firmware for our kernel loader. */
uint32_t *kldr_u32 = (uint32_t *)((uintptr_t)_kernel + kernel_ldr_offset);
if (kldr_u32[1] == 0x30444C4D) {
kldr_u32[2] = target_firmware;
}
/* Update size. */
*kernel_size = kernel_ldr_offset + kernel_ldr_bin_size;

2
fusee/fusee-secondary/src/kernel_patches.h
View file

@ -19,6 +19,6 @@
#include "utils.h"
void package2_patch_kernel(void *kernel, size_t *kernel_size, bool is_sd_kernel, void **out_ini1);
void package2_patch_kernel(void *kernel, size_t *kernel_size, bool is_sd_kernel, void **out_ini1, uint32_t target_firmware);
#endif

2
fusee/fusee-secondary/src/package2.c
View file

@ -87,7 +87,7 @@ void package2_rebuild_and_copy(package2_header_t *package2, uint32_t target_firm
}
/* Perform any patches we want to the NX kernel. */
package2_patch_kernel(kernel, &kernel_size, is_sd_kernel, (void *)&orig_ini1);
package2_patch_kernel(kernel, &kernel_size, is_sd_kernel, (void *)&orig_ini1, target_firmware);
/* Ensure we know where embedded INI is if present, and we don't if not. */
if ((target_firmware < ATMOSPHERE_TARGET_FIRMWARE_800 && orig_ini1 != NULL) ||