scall_n32.S register saves

DISCUSSION Kip Walker 1 participant 1 message Mar 7, 2003 MIPS

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Kip Walker

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2003-03-07 19:42 UTC #0 lore raw

If O32 is enabled, handle_sysn32 shouldn't have to SAVE_SOME and STI...

Kip

Index: arch/mips64/kernel/scall_n32.S
===================================================================
RCS file: /home/cvs/linux/arch/mips64/kernel/scall_n32.S,v retrieving revision 1.2.2.8
diff -u -r1.2.2.8 scall_n32.S
--- arch/mips64/kernel/scall_n32.S 7 Mar 2003 01:22:48 -0000
1.2.2.8
+++ arch/mips64/kernel/scall_n32.S 7 Mar 2003 19:27:50 -0000
@@ -29,6 +29,12 @@

.align 5
NESTED(handle_sysn32, PT_SIZE, sp)
+#ifndef CONFIG_MIPS32_O32

+       .set    noat
+       SAVE_SOME
+       STI
+       .set    at

+#endif
ld t1, PT_EPC(sp) # skip syscall on return

subu t0, v0, __NR_N32_Linux # check syscall number