patch-2.1.101 linux/arch/mips/kernel/r4k_scall.S
Next file: linux/arch/mips/kernel/r4k_switch.S
Previous file: linux/arch/mips/kernel/r4k_misc.S
Back to the patch index
Back to the overall index
- Lines: 73
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.1.100/linux/arch/mips/kernel/r4k_scall.S
- Orig date:
Wed Dec 10 10:31:09 1997
diff -u --recursive --new-file v2.1.100/linux/arch/mips/kernel/r4k_scall.S linux/arch/mips/kernel/r4k_scall.S
@@ -1,72 +0,0 @@
-/* $Id: r4k_scall.S,v 1.1.1.1 1997/06/01 03:16:43 ralf Exp $
- * r4k_scall.S: R4xx0 specific code to handle system calls.
- *
- * Copyright (C) 1994, 1995, 1996 by Ralf Baechle and Andreas Busse
- *
- * Multi-arch abstraction and beautification:
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
- */
-#include <asm/asm.h>
-#include <asm/bootinfo.h>
-#include <asm/cachectl.h>
-#include <asm/fpregdef.h>
-#include <asm/mipsconfig.h>
-#include <asm/mipsregs.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/processor.h>
-#include <asm/regdef.h>
-#include <asm/stackframe.h>
-
- .set noreorder
- .set mips3
- .align 5
-NESTED(r4k_do_syscalls, 64, sp)
- subu sp, 64
- sw ra, 56(sp)
- sll a2, a2, PTRLOG
- lw t0, dst(a2)
- move t2, a1
- jalr t0
- lw t0, PT_R29(a0) # get old user stack pointer
-7:
- lw t1, 24(t0) # parameter #7 from usp
- sw t1, 24(sp)
-6:
- lw t1, 20(t0) # parameter #6 from usp
- sw t1, 20(sp)
-5:
- lw t1, 16(t0) # parameter #5 from usp
- sw t1, 16(sp)
-4:
- lw a3, PT_R7(a0) # 4 args
-3:
- lw a2, PT_R6(a0) # 3 args
-2:
- lw a1, PT_R5(a0) # 2 args
-1:
- jalr t2 # 1 args
- lw a0, PT_R4(a0)
-
- .set reorder
- lw ra, 56(sp)
- addiu sp, 64
- jr ra
-0:
- jalr t2 # 0 args, just pass a0
- nop
- lw ra, 56(sp)
- addiu sp, 64
- jr ra
- nop
- END(r4k_do_syscalls)
-
- .rdata
- .align PTRLOG
-dst: PTR 0b, 1b, 2b, 3b, 4b, 5b, 6b, 7b
-
- .section __ex_table,"a"
- PTR 7b,bad_stack
- PTR 6b,bad_stack
- PTR 5b,bad_stack
- .previous
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov