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@@ -62,6 +62,16 @@
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ori reg,reg,(label)@l; /* virt addr of handler ... */
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#endif
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+#define EXCEPTION_PROLOG_1(area) \
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+ mfspr r13,SPRN_SPRG3; /* get paca address into r13 */ \
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+ std r9,area+EX_R9(r13); /* save r9 - r12 */ \
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+ std r10,area+EX_R10(r13); \
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+ std r11,area+EX_R11(r13); \
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+ std r12,area+EX_R12(r13); \
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+ mfspr r9,SPRN_SPRG1; \
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+ std r9,area+EX_R13(r13); \
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+ mfcr r9
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+
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/*
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* Equal to EXCEPTION_PROLOG_PSERIES, except that it forces 64bit mode.
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* The firmware calls the registered system_reset_fwnmi and
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@@ -70,14 +80,7 @@
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* This firmware bug is present on POWER4 and JS20.
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*/
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#define EXCEPTION_PROLOG_PSERIES_FORCE_64BIT(area, label) \
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- mfspr r13,SPRN_SPRG3; /* get paca address into r13 */ \
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- std r9,area+EX_R9(r13); /* save r9 - r12 */ \
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- std r10,area+EX_R10(r13); \
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- std r11,area+EX_R11(r13); \
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- std r12,area+EX_R12(r13); \
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- mfspr r9,SPRN_SPRG1; \
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- std r9,area+EX_R13(r13); \
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- mfcr r9; \
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+ EXCEPTION_PROLOG_1(area); \
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clrrdi r12,r13,32; /* get high part of &label */ \
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mfmsr r10; \
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/* force 64bit mode */ \
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@@ -94,14 +97,7 @@
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b . /* prevent speculative execution */
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#define EXCEPTION_PROLOG_PSERIES(area, label) \
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- mfspr r13,SPRN_SPRG3; /* get paca address into r13 */ \
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- std r9,area+EX_R9(r13); /* save r9 - r12 */ \
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- std r10,area+EX_R10(r13); \
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- std r11,area+EX_R11(r13); \
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- std r12,area+EX_R12(r13); \
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- mfspr r9,SPRN_SPRG1; \
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- std r9,area+EX_R13(r13); \
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- mfcr r9; \
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+ EXCEPTION_PROLOG_1(area); \
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clrrdi r12,r13,32; /* get high part of &label */ \
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mfmsr r10; \
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mfspr r11,SPRN_SRR0; /* save SRR0 */ \
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@@ -113,28 +109,6 @@
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rfid; \
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b . /* prevent speculative execution */
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-/*
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- * This is the start of the interrupt handlers for iSeries
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- * This code runs with relocation on.
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- */
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-#define EXCEPTION_PROLOG_ISERIES_1(area) \
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- mfspr r13,SPRN_SPRG3; /* get paca address into r13 */ \
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- std r9,area+EX_R9(r13); /* save r9 - r12 */ \
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- std r10,area+EX_R10(r13); \
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- std r11,area+EX_R11(r13); \
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- std r12,area+EX_R12(r13); \
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- mfspr r9,SPRN_SPRG1; \
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- std r9,area+EX_R13(r13); \
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- mfcr r9
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-
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-#define EXCEPTION_PROLOG_ISERIES_2 \
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- mfmsr r10; \
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- ld r12,PACALPPACAPTR(r13); \
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- ld r11,LPPACASRR0(r12); \
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- ld r12,LPPACASRR1(r12); \
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- ori r10,r10,MSR_RI; \
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- mtmsrd r10,1
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-
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/*
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* The common exception prolog is used for all except a few exceptions
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* such as a segment miss on a kernel address. We have to be prepared
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@@ -247,27 +221,6 @@ label##_pSeries: \
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rfid; \
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b . /* prevent speculative execution */
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-#define STD_EXCEPTION_ISERIES(n, label, area) \
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- .globl label##_iSeries; \
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-label##_iSeries: \
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- HMT_MEDIUM; \
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- mtspr SPRN_SPRG1,r13; /* save r13 */ \
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- EXCEPTION_PROLOG_ISERIES_1(area); \
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- EXCEPTION_PROLOG_ISERIES_2; \
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- b label##_common
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-
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-#define MASKABLE_EXCEPTION_ISERIES(n, label) \
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- .globl label##_iSeries; \
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-label##_iSeries: \
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- HMT_MEDIUM; \
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- mtspr SPRN_SPRG1,r13; /* save r13 */ \
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- EXCEPTION_PROLOG_ISERIES_1(PACA_EXGEN); \
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- lbz r10,PACASOFTIRQEN(r13); \
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- cmpwi 0,r10,0; \
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- beq- label##_iSeries_masked; \
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- EXCEPTION_PROLOG_ISERIES_2; \
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- b label##_common; \
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-
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#ifdef CONFIG_PPC_ISERIES
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#define DISABLE_INTS \
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li r11,0; \
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