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| author | Hanjie Wu <hanjiew@andrew.cmu.edu> | 2023-04-28 21:14:37 -0400 |
|---|---|---|
| committer | Hanjie Wu <hanjiew@andrew.cmu.edu> | 2023-04-28 21:14:37 -0400 |
| commit | 119b5e6fde37c53a5037a6ba959ba60c882bd6d0 (patch) | |
| tree | a41be842bfc966befb80324cc405414b35cf91d2 /kern/syscall_asm.S | |
| parent | ff90341c64565ac7d8034d2f8cf460532a5b51fd (diff) | |
Diffstat (limited to 'kern/syscall_asm.S')
| -rw-r--r-- | kern/syscall_asm.S | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kern/syscall_asm.S b/kern/syscall_asm.S index d246954..34b08f4 100644 --- a/kern/syscall_asm.S +++ b/kern/syscall_asm.S @@ -106,6 +106,9 @@ sys_\name: jmp return_to_user /* check pending exit before iret */ .endm +/* some ABIs do not place syscall index in a register so we + * need to set different entries for the syscalls + */ NONEXIST_SYSCALL 67 0x43 NONEXIST_SYSCALL 86 0x56 NONEXIST_SYSCALL 97 0x61 |