diff options
Diffstat (limited to 'purgatory/arch/arm64/entry.S')
| -rw-r--r-- | purgatory/arch/arm64/entry.S | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/purgatory/arch/arm64/entry.S b/purgatory/arch/arm64/entry.S new file mode 100644 index 0000000..adf16f4 --- /dev/null +++ b/purgatory/arch/arm64/entry.S @@ -0,0 +1,51 @@ +/* + * ARM64 purgatory. + */ + +.macro size, sym:req + .size \sym, . - \sym +.endm + +.text + +.globl purgatory_start +purgatory_start: + + adr x19, .Lstack + mov sp, x19 + + bl purgatory + + /* Start new image. */ + ldr x17, arm64_kernel_entry + ldr x0, arm64_dtb_addr + mov x1, xzr + mov x2, xzr + mov x3, xzr + br x17 + +size purgatory_start + +.ltorg + +.align 4 + .rept 256 + .quad 0 + .endr +.Lstack: + +.data + +.align 3 + +.globl arm64_kernel_entry +arm64_kernel_entry: + .quad 0 +size arm64_kernel_entry + +.globl arm64_dtb_addr +arm64_dtb_addr: + .quad 0 +size arm64_dtb_addr + +.end
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