Changeset cc6f688 in mainline for libc/arch/mips32el/src/syscall.c

Timestamp:

2005-11-22T17:07:38Z (19 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

3a6d6656

Parents:

25b0e6a

Message:

uspace work

File:

• libc/arch/mips32el/src/syscall.c (moved) (moved from libc/arch/mips32el/syscall.c ) (2 diffs)

libc/arch/mips32el/src/syscall.c

@@ -29 +29 @@
 #include <libc.h>
 
-void __syscall(const unsigned int id, const unsigned int p1, const unsigned int p2, const unsigned int p3)
+unsigned int __syscall(const syscall_t id, const unsigned int p1, const unsigned int p2, const unsigned int p3)
 {
         register unsigned int __mips_reg_a0 asm("$4") = p1;
@@ -35 +35 @@
         register unsigned int __mips_reg_a2 asm("$6") = p3;
         register unsigned int __mips_reg_a3 asm("$7") = id;
+        register unsigned int __mips_reg_v0 asm("$2");
         
         asm volatile (
                 "syscall\n"
-                :
+                : "=r" (__mips_reg_v0)
                 : "r" (__mips_reg_a0),
                   "r" (__mips_reg_a1),
                   "r" (__mips_reg_a2),
                   "r" (__mips_reg_a3)
-                : "v0"
         );
+        
+        return __mips_reg_v0;
 }