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| author | Alex Rønne Petersen <alex@alexrp.com> | 2024-07-22 12:55:08 +0200 |
|---|---|---|
| committer | Alex Rønne Petersen <alex@alexrp.com> | 2024-07-22 14:39:55 +0200 |
| commit | 1fa5ca24feb7b931fdc5f4ff826048a87922ad10 (patch) | |
| tree | b34cbbebab53abf65ce7511ccd5aef1c25f62933 /lib/std/start.zig | |
| parent | 142209444a52c5c44b19a984f25376173027da7e (diff) | |
| download | zig-1fa5ca24feb7b931fdc5f4ff826048a87922ad10.tar.gz zig-1fa5ca24feb7b931fdc5f4ff826048a87922ad10.zip | |
start: Add POSIX m68k startup code.
Diffstat (limited to 'lib/std/start.zig')
| -rw-r--r-- | lib/std/start.zig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/std/start.zig b/lib/std/start.zig index d927f74517..081e9d44f0 100644 --- a/lib/std/start.zig +++ b/lib/std/start.zig @@ -307,6 +307,14 @@ fn _start() callconv(.Naked) noreturn { \\ andi sp, sp, -16 \\ tail %[posixCallMainAndExit]@plt , + .m68k => + // Note that the - 8 is needed because pc in the jsr instruction points into the middle + // of the jsr instruction. (The lea is 6 bytes, the jsr is 4 bytes.) + \\ suba.l %%fp, %%fp + \\ move.l %%sp, -(%%sp) + \\ lea %[posixCallMainAndExit] - . - 8, %%a0 + \\ jsr (%%pc, %%a0) + , .mips, .mipsel => // The lr is already zeroed on entry, as specified by the ABI. \\ addiu $fp, $zero, 0 |