diff options
| author | Kanoj Sarcar <kanoj@engr.sgi.com> | 2000-01-24 01:21:18 +0000 |
|---|---|---|
| committer | Kanoj Sarcar <kanoj@engr.sgi.com> | 2000-01-24 01:21:18 +0000 |
| commit | de660ee929996543c54446d1f413f9cba288c22d (patch) | |
| tree | 2fb6aa3a8a37cc2421aad1ed49df8e051a174773 | |
| parent | 9f2daa69db3e192c8a3e4da35fb59a4c84918d5b (diff) | |
For system calls, need to do a stack switch, as well as save the
s-registers, at, sp, ra. Use SAVE_SOME to save these registers.
| -rw-r--r-- | arch/mips64/kernel/scall_64.S | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/mips64/kernel/scall_64.S b/arch/mips64/kernel/scall_64.S index 3d49cbe07..9241797c7 100644 --- a/arch/mips64/kernel/scall_64.S +++ b/arch/mips64/kernel/scall_64.S @@ -31,7 +31,9 @@ .align 5 NESTED(handle_sys64, PT_SIZE, sp) - + .set noat + SAVE_SOME + .set at ld t1, PT_EPC(sp) # skip syscall on return sltiu t0, v0, MAX_SYSCALL_NO + 1 # check syscall number |