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| author | wires <wires@noreply.wires.systems> | 2025-04-19 17:36:18 -0400 |
|---|---|---|
| committer | wires <wires@noreply.wires.systems> | 2025-04-19 17:36:18 -0400 |
| commit | a7c0dcabf45ae49c9593073238cdf1e55294fca6 (patch) | |
| tree | 194b9b128c85eff4bc0953196573c867d4c50845 | |
| parent | slight readme update (diff) | |
| download | zosimos-a7c0dcabf45ae49c9593073238cdf1e55294fca6.tar.gz | |
don't touch registers used by calling convention
| -rw-r--r-- | src/startup.s | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/src/startup.s b/src/startup.s index e0c6385..e73f53c 100644 --- a/src/startup.s +++ b/src/startup.s @@ -2,26 +2,26 @@ .global _start _start: - mrs x1, MPIDR_EL1 - and x1, x1, 0b11 + mrs x4, MPIDR_EL1 + and x4, x1, 0b11 - cbz x1, init + cbz x4, init halt: wfe b halt init: - adr x1, __stack_base - mov sp, x1 + adr x4, __stack_base + mov sp, x4 - adr x1, __bss_start - adr x2, __bss_size - cbz x2, exec_kernel + adr x4, __bss_start + adr x5, __bss_size + cbz x5, exec_kernel clear_bss: - str xzr, [x1], 8 - sub x2, x2, 1 - cbnz w2, clear_bss + str xzr, [x4], 8 + sub x5, x5, 1 + cbnz w5, clear_bss exec_kernel: bl main |