fusee: add support for booting mesosphere

2020-07-17 22:25:51 -07:00
parent 0bd14b7114
commit 1c5b58ce66
1 changed files with 5 additions and 0 deletions
--- a/fusee/fusee-secondary/src/kernel_patches.c
+++ b/fusee/fusee-secondary/src/kernel_patches.c
@@ -963,6 +963,11 @@ void package2_patch_kernel(void *_kernel, size_t *kernel_size, bool is_sd_kernel
    }

    if (kernel_info == NULL && is_sd_kernel) {
+        /* If the kernel is mesosphere, patch it. */
+        if (*(volatile uint32_t *)((uintptr_t)_kernel + 4) == 0x3053534D) {
+            *out_ini1 = (void *)((uintptr_t)_kernel + *(volatile uint32_t *)((uintptr_t)_kernel + 8));
+            *(volatile uint64_t *)((uintptr_t)_kernel + 8) = (uint64_t)*kernel_size;
+        }
        return;
    }