fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / arch / ia64 / kernel / mca_asm.S

diff --git a/arch/ia64/kernel/mca_asm.S b/arch/ia64/kernel/mca_asm.S
index 60a464b..c6b607c 100644 (file)
--- 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
        ;;