diff options
Diffstat (limited to 'tools/include/nolibc/arch-mips.h')
| -rw-r--r-- | tools/include/nolibc/arch-mips.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/tools/include/nolibc/arch-mips.h b/tools/include/nolibc/arch-mips.h index 4ab6fa54beee..62cc50ef3288 100644 --- a/tools/include/nolibc/arch-mips.h +++ b/tools/include/nolibc/arch-mips.h @@ -10,6 +10,10 @@ #include "compiler.h" #include "crt.h" +#if !defined(_ABIO32) +#error Unsupported MIPS ABI +#endif + /* Syscalls for MIPS ABI O32 : * - WARNING! there's always a delayed slot! * - WARNING again, the syntax is different, registers take a '$' and numbers @@ -180,8 +184,13 @@ void __attribute__((weak, noreturn, optimize("Os", "omit-frame-pointer"))) __no_ __asm__ volatile ( ".set push\n" ".set noreorder\n" - ".option pic0\n" + "bal 1f\n" /* prime $ra for .cpload */ + "nop\n" + "1:\n" + ".cpload $ra\n" "move $a0, $sp\n" /* save stack pointer to $a0, as arg1 of _start_c */ + "addiu $sp, $sp, -4\n" /* space for .cprestore to store $gp */ + ".cprestore 0\n" "li $t0, -8\n" "and $sp, $sp, $t0\n" /* $sp must be 8-byte aligned */ "addiu $sp, $sp, -16\n" /* the callee expects to save a0..a3 there */ |