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authorGordon Willem Klok <gwk@cvs.openbsd.org>2006-11-30 00:05:41 +0000
committerGordon Willem Klok <gwk@cvs.openbsd.org>2006-11-30 00:05:41 +0000
commit65427d34b45a736565556b8c0424a9368a569453 (patch)
treea3c0bf9ada669cd4b56c560887385c1e3fefb7dc
parentb11a3328e561a6b0ad9cd44403b6d57798dcfa22 (diff)
Remove the macros SET_CURPCB, GET_CURPCB and GET_CPUINFO, they are only used
in a few places, and the MP version of GET_CPUINFO is broken. No regression in GENERIC, however GENERIC.MP still has issues.
-rw-r--r--sys/arch/i386/i386/kvm86call.S55
1 files changed, 32 insertions, 23 deletions
diff --git a/sys/arch/i386/i386/kvm86call.S b/sys/arch/i386/i386/kvm86call.S
index 74626df76eb..0f022e852e5 100644
--- a/sys/arch/i386/i386/kvm86call.S
+++ b/sys/arch/i386/i386/kvm86call.S
@@ -1,4 +1,4 @@
-/* $OpenBSD: kvm86call.S,v 1.2 2006/11/27 15:46:48 gwk Exp $ */
+/* $OpenBSD: kvm86call.S,v 1.3 2006/11/30 00:05:40 gwk Exp $ */
/* $NetBSD: kvm86call.S,v 1.7 2006/04/11 17:14:07 drochner Exp $ */
/*-
@@ -56,24 +56,8 @@ SCRTSS1: .long 0
#if defined MULTIPROCESSOR
#include <machine/i82489reg.h>
-
-#define GET_CPUINFO(reg) \
- movl _C_LABEL(lapic_id),reg ; \
- shrl $LAPIC_ID_SHIFT,reg ; \
- movl _C_LABEL(cpu_info),reg
-#else
-#define GET_CPUINFO(reg) \
- leal _C_LABEL(cpu_info_primary),reg
#endif
-#define GET_CURPCB(reg) \
- GET_CPUINFO(reg) ; \
- movl CPU_INFO_CURPCB(reg),reg
-
-#define SET_CURPCB(reg, treg) \
- GET_CPUINFO(treg) ; \
- movl reg,CPU_INFO_CURPCB(treg)
-
/* int kvm86_call(struct trapframe *) */
ENTRY(kvm86_call)
pushl %ebp
@@ -93,15 +77,25 @@ ENTRY(kvm86_call)
cld
rep
movsl /* copy frame to new stack */
- GET_CURPCB(%eax)
+
+#ifdef MULTIPROCESSOR
+ movl _C_LABEL(local_apic)+LAPIC_ID,%ecx
+ shrl $LAPIC_ID_SHIFT,%ecx
+ leal 0(,%ecx,4),%ecx
+ movl _C_LABEL(cpu_info)(%ecx),%edx
+ movl %edx,%ecx
+#else
+ leal _C_LABEL(cpu_info_primary),%ecx
+#endif
+
pushl %eax
movl vm86pcb,%eax
- SET_CURPCB(%eax,%ecx) /* set curpcb to vm86pcb */
+ movl %eax,CPU_INFO_CURPCB(%ecx)
movl CPU_INFO_CURPROC(%ecx),%ecx
movl P_MD_TSS_SEL(%ecx),%edi
+
#ifdef MULTIPROCESSOR
- GET_CPUINFO(%ecx)
- movl CPU_INFO_GDT(%ecx),%eax
+ movl CPU_INFO_GDT(%edx),%eax
#else
movl _C_LABEL(gdt),%eax
#endif
@@ -173,10 +167,16 @@ ENTRY(kvm86_ret)
movl %eax,%cr3 /* install old page table */
movl $0,kvm86_incall /* reset trapflag */
- GET_CPUINFO(%ecx)
+
+
#ifdef MULTIPROCESSOR
+ movl _C_LABEL(local_apic)+LAPIC_ID,%ecx
+ shrl $LAPIC_ID_SHIFT,%ecx
+ leal 0(,%ecx,4),%ecx
+ movl _C_LABEL(cpu_info)(%ecx),%ecx
movl CPU_INFO_GDT(%ecx),%eax
#else
+ leal _C_LABEL(cpu_info_primary),%ecx
movl _C_LABEL(gdt),%eax
#endif
movl CPU_INFO_CURPROC(%ecx),%ecx
@@ -187,8 +187,17 @@ ENTRY(kvm86_ret)
movl %edx, 4(%eax,%edi,1) /* restore second word */
ltr %di
+
+#ifdef MULTIPROCESSOR
+ movl _C_LABEL(local_apic)+LAPIC_ID,%ecx
+ shrl $LAPIC_ID_SHIFT,%ecx
+ leal 0(,%ecx,4),%ecx
+ movl _C_LABEL(cpu_info)(%ecx),%ecx
+#else
+ leal _C_LABEL(cpu_info_primary),%ecx
+#endif
popl %eax /* restore curpcb */
- SET_CURPCB(%eax,%ecx)
+ movl %eax,CPU_INFO_CURPCB(%ecx)
movl 12(%ebp), %eax /* will be kvm86_call()'s retval */