X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fia64%2Fkernel%2Fmca_asm.S;h=c6b607c00deea80c4268468412b60e7fff8b5128;hb=refs%2Fheads%2Fvserver;hp=60a464bfd9e27ce2afe46bb0de051806b9b0cbfa;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/arch/ia64/kernel/mca_asm.S b/arch/ia64/kernel/mca_asm.S
index 60a464bfd..c6b607c00 100644
--- a/arch/ia64/kernel/mca_asm.S
+++ b/arch/ia64/kernel/mca_asm.S
@@ -19,7 +19,6 @@
 // 12/08/05 Keith Owens <kaos@sgi.com>
 //		   Use per cpu MCA/INIT stacks for all data.
 //
-#include <linux/config.h>
 #include <linux/threads.h>
 
 #include <asm/asmmacro.h>
@@ -159,7 +158,7 @@ ia64_os_mca_spin:
 	GET_IA64_MCA_DATA(r2)
 	// Using MCA stack, struct ia64_sal_os_state, variable proc_state_param
 	;;
-	add r3=IA64_MCA_CPU_MCA_STACK_OFFSET+MCA_SOS_OFFSET+IA64_SAL_OS_STATE_PROC_STATE_PARAM_OFFSET, r2
+	add r3=IA64_MCA_CPU_MCA_STACK_OFFSET+MCA_SOS_OFFSET+SOS(PROC_STATE_PARAM), r2
 	;;
 	ld8 r18=[r3]				// Get processor state parameter on existing PALE_CHECK.
 	;;
@@ -479,9 +478,11 @@ ia64_state_save:
 	st8 [temp2]=r11,16	// rv_rc
 	mov r11=cr.iipa
 	;;
-	st8 [temp1]=r18,16	// proc_state_param
-	st8 [temp2]=r19,16	// monarch
+	st8 [temp1]=r18		// proc_state_param
+	st8 [temp2]=r19		// monarch
 	mov r6=IA64_KR(CURRENT)
+	add temp1=SOS(SAL_RA), regs
+	add temp2=SOS(SAL_GP), regs
 	;;
 	st8 [temp1]=r12,16	// sal_ra
 	st8 [temp2]=r10,16	// sal_gp
@@ -503,12 +504,14 @@ ia64_state_save:
 	st8 [temp2]=r11,16	// cr.iipa
 	mov r12=cr.iim
 	;;
-	st8 [temp1]=r12,16	// cr.iim
+	st8 [temp1]=r12		// cr.iim
 (p1)	mov r12=IA64_MCA_COLD_BOOT
 (p2)	mov r12=IA64_INIT_WARM_BOOT
 	mov r6=cr.iha
+	add temp1=SOS(OS_STATUS), regs
 	;;
-	st8 [temp2]=r6,16	// cr.iha
+	st8 [temp2]=r6		// cr.iha
+	add temp2=SOS(CONTEXT), regs
 	st8 [temp1]=r12		// os_status, default is cold boot
 	mov r6=IA64_MCA_SAME_CONTEXT
 	;;
@@ -820,14 +823,14 @@ ia64_state_restore:
 	// Restore the SAL to OS state. The previous code left regs at pt_regs.
 	add regs=MCA_SOS_OFFSET-MCA_PT_REGS_OFFSET, regs
 	;;
-	add temp1=IA64_SAL_OS_STATE_COMMON_OFFSET, regs
-	add temp2=IA64_SAL_OS_STATE_COMMON_OFFSET+8, regs
+	add temp1=SOS(SAL_RA), regs
+	add temp2=SOS(SAL_GP), regs
 	;;
 	ld8 r12=[temp1],16	// sal_ra
 	ld8 r9=[temp2],16	// sal_gp
 	;;
 	ld8 r22=[temp1],16	// pal_min_state, virtual
-	ld8 r21=[temp2],16	// prev_IA64_KR_CURRENT
+	ld8 r13=[temp2],16	// prev_IA64_KR_CURRENT
 	;;
 	ld8 r16=[temp1],16	// prev_IA64_KR_CURRENT_STACK
 	ld8 r20=[temp2],16	// prev_task
@@ -842,13 +845,15 @@ ia64_state_restore:
 	;;
 	mov cr.itir=temp3
 	mov cr.iipa=temp4
-	ld8 temp3=[temp1],16	// cr.iim
-	ld8 temp4=[temp2],16	// cr.iha
+	ld8 temp3=[temp1]	// cr.iim
+	ld8 temp4=[temp2]		// cr.iha
+	add temp1=SOS(OS_STATUS), regs
+	add temp2=SOS(CONTEXT), regs
 	;;
 	mov cr.iim=temp3
 	mov cr.iha=temp4
 	dep r22=0,r22,62,1	// pal_min_state, physical, uncached
-	mov IA64_KR(CURRENT)=r21
+	mov IA64_KR(CURRENT)=r13
 	ld8 r8=[temp1]		// os_status
 	ld8 r10=[temp2]		// context
 
@@ -856,7 +861,7 @@ ia64_state_restore:
 	 * avoid any dependencies on the algorithm in ia64_switch_to(), just
 	 * purge any existing CURRENT_STACK mapping and insert the new one.
 	 *
-	 * r16 contains prev_IA64_KR_CURRENT_STACK, r21 contains
+	 * r16 contains prev_IA64_KR_CURRENT_STACK, r13 contains
 	 * prev_IA64_KR_CURRENT, these values may have been changed by the C
 	 * code.  Do not use r8, r9, r10, r22, they contain values ready for
 	 * the return to SAL.
@@ -873,7 +878,7 @@ ia64_state_restore:
 	;;
 	srlz.d
 
-	extr.u r19=r21,61,3			// r21 = prev_IA64_KR_CURRENT
+	extr.u r19=r13,61,3			// r13 = prev_IA64_KR_CURRENT
 	shl r20=r16,IA64_GRANULE_SHIFT		// r16 = prev_IA64_KR_CURRENT_STACK
 	movl r21=PAGE_KERNEL			// page properties
 	;;
@@ -883,7 +888,7 @@ ia64_state_restore:
 (p6)	br.spnt 1f				// the dreaded cpu 0 idle task in region 5:(
 	;;
 	mov cr.itir=r18
-	mov cr.ifa=r21
+	mov cr.ifa=r13
 	mov r20=IA64_TR_CURRENT_STACK
 	;;
 	itr.d dtr[r20]=r21
@@ -916,7 +921,7 @@ ia64_state_restore:
 
 ia64_new_stack:
 	add regs=MCA_PT_REGS_OFFSET, r3
-	add temp2=MCA_SOS_OFFSET+IA64_SAL_OS_STATE_PAL_MIN_STATE_OFFSET, r3
+	add temp2=MCA_SOS_OFFSET+SOS(PAL_MIN_STATE), r3
 	mov b0=r2			// save return address
 	GET_IA64_MCA_DATA(temp1)
 	invala
@@ -1020,18 +1025,13 @@ ia64_old_stack:
 
 ia64_set_kernel_registers:
 	add temp3=MCA_SP_OFFSET, r3
-	add temp4=MCA_SOS_OFFSET+IA64_SAL_OS_STATE_OS_GP_OFFSET, r3
 	mov b0=r2		// save return address
 	GET_IA64_MCA_DATA(temp1)
 	;;
-	add temp4=temp4, temp1	// &struct ia64_sal_os_state.os_gp
 	add r12=temp1, temp3	// kernel stack pointer on MCA/INIT stack
 	add r13=temp1, r3	// set current to start of MCA/INIT stack
 	add r20=temp1, r3	// physical start of MCA/INIT stack
 	;;
-	ld8 r1=[temp4]		// OS GP from SAL OS state
-	;;
-	DATA_PA_TO_VA(r1,temp1)
 	DATA_PA_TO_VA(r12,temp2)
 	DATA_PA_TO_VA(r13,temp3)
 	;;
@@ -1062,6 +1062,10 @@ ia64_set_kernel_registers:
 	mov cr.itir=r18
 	mov cr.ifa=r13
 	mov r20=IA64_TR_CURRENT_STACK
+
+	movl r17=FPSR_DEFAULT
+	;;
+	mov.m ar.fpsr=r17			// set ar.fpsr to kernel default value
 	;;
 	itr.d dtr[r20]=r21
 	;;