* exception handlers (including pSeries LPAR) and iSeries LPAR
* implementations as possible.
*/
+#include <asm/head-64.h>
#define EX_R9 0
#define EX_R10 8
EXCEPTION_PROLOG_1(area, extra, vec); \
EXCEPTION_PROLOG_PSERIES_1(label, h);
-#define __KVMTEST(n) \
- lbz r10,HSTATE_IN_GUEST(r13); \
+#define __KVMTEST(h, n) \
+ lbz r10,HSTATE_IN_GUEST(r13); \
cmpwi r10,0; \
- bne do_kvm_##n
+ bne do_kvm_##h##n
#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
/*
#define kvmppc_interrupt kvmppc_interrupt_pr
#endif
-#define __KVM_HANDLER(area, h, n) \
-do_kvm_##n: \
+#define __KVM_HANDLER_PROLOG(area, n) \
BEGIN_FTR_SECTION_NESTED(947) \
ld r10,area+EX_CFAR(r13); \
std r10,HSTATE_CFAR(r13); \
stw r9,HSTATE_SCRATCH1(r13); \
ld r9,area+EX_R9(r13); \
std r12,HSTATE_SCRATCH0(r13); \
+
+#define __KVM_HANDLER(area, h, n) \
+ __KVM_HANDLER_PROLOG(area, n) \
li r12,n; \
b kvmppc_interrupt
#define __KVM_HANDLER_SKIP(area, h, n) \
-do_kvm_##n: \
cmpwi r10,KVM_GUEST_MODE_SKIP; \
ld r10,area+EX_R10(r13); \
beq 89f; \
- stw r9,HSTATE_SCRATCH1(r13); \
+ stw r9,HSTATE_SCRATCH1(r13); \
BEGIN_FTR_SECTION_NESTED(948) \
ld r9,area+EX_PPR(r13); \
std r9,HSTATE_PPR(r13); \
END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,948); \
ld r9,area+EX_R9(r13); \
- std r12,HSTATE_SCRATCH0(r13); \
+ std r12,HSTATE_SCRATCH0(r13); \
li r12,n; \
b kvmppc_interrupt; \
89: mtocrf 0x80,r9; \
b kvmppc_skip_##h##interrupt
#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
-#define KVMTEST(n) __KVMTEST(n)
+#define KVMTEST(h, n) __KVMTEST(h, n)
#define KVM_HANDLER(area, h, n) __KVM_HANDLER(area, h, n)
#define KVM_HANDLER_SKIP(area, h, n) __KVM_HANDLER_SKIP(area, h, n)
#else
-#define KVMTEST(n)
+#define KVMTEST(h, n)
#define KVM_HANDLER(area, h, n)
#define KVM_HANDLER_SKIP(area, h, n)
#endif
/*
* Exception vectors.
*/
-#define STD_EXCEPTION_PSERIES(vec, label) \
- . = vec; \
- .globl label##_pSeries; \
-label##_pSeries: \
+#define STD_EXCEPTION_PSERIES(vec, label) \
SET_SCRATCH0(r13); /* save r13 */ \
- EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common, \
- EXC_STD, KVMTEST, vec)
+ EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label, \
+ EXC_STD, KVMTEST_PR, vec); \
/* Version of above for when we have to branch out-of-line */
+#define __OOL_EXCEPTION(vec, label, hdlr) \
+ SET_SCRATCH0(r13) \
+ EXCEPTION_PROLOG_0(PACA_EXGEN) \
+ b hdlr;
+
#define STD_EXCEPTION_PSERIES_OOL(vec, label) \
- .globl label##_pSeries; \
-label##_pSeries: \
- EXCEPTION_PROLOG_1(PACA_EXGEN, KVMTEST, vec); \
- EXCEPTION_PROLOG_PSERIES_1(label##_common, EXC_STD)
-
-#define STD_EXCEPTION_HV(loc, vec, label) \
- . = loc; \
- .globl label##_hv; \
-label##_hv: \
+ EXCEPTION_PROLOG_1(PACA_EXGEN, KVMTEST_PR, vec); \
+ EXCEPTION_PROLOG_PSERIES_1(label, EXC_STD)
+
+#define STD_EXCEPTION_HV(loc, vec, label) \
SET_SCRATCH0(r13); /* save r13 */ \
- EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common, \
- EXC_HV, KVMTEST, vec)
+ EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label, \
+ EXC_HV, KVMTEST_HV, vec);
-/* Version of above for when we have to branch out-of-line */
-#define STD_EXCEPTION_HV_OOL(vec, label) \
- .globl label##_hv; \
-label##_hv: \
- EXCEPTION_PROLOG_1(PACA_EXGEN, KVMTEST, vec); \
- EXCEPTION_PROLOG_PSERIES_1(label##_common, EXC_HV)
+#define STD_EXCEPTION_HV_OOL(vec, label) \
+ EXCEPTION_PROLOG_1(PACA_EXGEN, KVMTEST_HV, vec); \
+ EXCEPTION_PROLOG_PSERIES_1(label, EXC_HV)
#define STD_RELON_EXCEPTION_PSERIES(loc, vec, label) \
- . = loc; \
- .globl label##_relon_pSeries; \
-label##_relon_pSeries: \
/* No guest interrupts come through here */ \
SET_SCRATCH0(r13); /* save r13 */ \
- EXCEPTION_RELON_PROLOG_PSERIES(PACA_EXGEN, label##_common, \
- EXC_STD, NOTEST, vec)
+ EXCEPTION_RELON_PROLOG_PSERIES(PACA_EXGEN, label, EXC_STD, NOTEST, vec);
#define STD_RELON_EXCEPTION_PSERIES_OOL(vec, label) \
- .globl label##_relon_pSeries; \
-label##_relon_pSeries: \
EXCEPTION_PROLOG_1(PACA_EXGEN, NOTEST, vec); \
- EXCEPTION_RELON_PROLOG_PSERIES_1(label##_common, EXC_STD)
+ EXCEPTION_RELON_PROLOG_PSERIES_1(label, EXC_STD)
#define STD_RELON_EXCEPTION_HV(loc, vec, label) \
- . = loc; \
- .globl label##_relon_hv; \
-label##_relon_hv: \
/* No guest interrupts come through here */ \
SET_SCRATCH0(r13); /* save r13 */ \
- EXCEPTION_RELON_PROLOG_PSERIES(PACA_EXGEN, label##_common, \
- EXC_HV, NOTEST, vec)
+ EXCEPTION_RELON_PROLOG_PSERIES(PACA_EXGEN, label, EXC_HV, NOTEST, vec);
#define STD_RELON_EXCEPTION_HV_OOL(vec, label) \
- .globl label##_relon_hv; \
-label##_relon_hv: \
EXCEPTION_PROLOG_1(PACA_EXGEN, NOTEST, vec); \
- EXCEPTION_RELON_PROLOG_PSERIES_1(label##_common, EXC_HV)
+ EXCEPTION_RELON_PROLOG_PSERIES_1(label, EXC_HV)
/* This associate vector numbers with bits in paca->irq_happened */
#define SOFTEN_VALUE_0x500 PACA_IRQ_EE
-#define SOFTEN_VALUE_0x502 PACA_IRQ_EE
#define SOFTEN_VALUE_0x900 PACA_IRQ_DEC
-#define SOFTEN_VALUE_0x982 PACA_IRQ_DEC
+#define SOFTEN_VALUE_0x980 PACA_IRQ_DEC
#define SOFTEN_VALUE_0xa00 PACA_IRQ_DBELL
#define SOFTEN_VALUE_0xe80 PACA_IRQ_DBELL
-#define SOFTEN_VALUE_0xe82 PACA_IRQ_DBELL
#define SOFTEN_VALUE_0xe60 PACA_IRQ_HMI
-#define SOFTEN_VALUE_0xe62 PACA_IRQ_HMI
#define SOFTEN_VALUE_0xea0 PACA_IRQ_EE
-#define SOFTEN_VALUE_0xea2 PACA_IRQ_EE
#define __SOFTEN_TEST(h, vec) \
lbz r10,PACASOFTIRQEN(r13); \
cmpwi r10,0; \
li r10,SOFTEN_VALUE_##vec; \
beq masked_##h##interrupt
+
#define _SOFTEN_TEST(h, vec) __SOFTEN_TEST(h, vec)
#define SOFTEN_TEST_PR(vec) \
- KVMTEST(vec); \
+ KVMTEST(EXC_STD, vec); \
_SOFTEN_TEST(EXC_STD, vec)
#define SOFTEN_TEST_HV(vec) \
- KVMTEST(vec); \
+ KVMTEST(EXC_HV, vec); \
_SOFTEN_TEST(EXC_HV, vec)
+#define KVMTEST_PR(vec) \
+ KVMTEST(EXC_STD, vec)
+
+#define KVMTEST_HV(vec) \
+ KVMTEST(EXC_HV, vec)
+
#define SOFTEN_NOTEST_PR(vec) _SOFTEN_TEST(EXC_STD, vec)
#define SOFTEN_NOTEST_HV(vec) _SOFTEN_TEST(EXC_HV, vec)
SET_SCRATCH0(r13); /* save r13 */ \
EXCEPTION_PROLOG_0(PACA_EXGEN); \
__EXCEPTION_PROLOG_1(PACA_EXGEN, extra, vec); \
- EXCEPTION_PROLOG_PSERIES_1(label##_common, h);
+ EXCEPTION_PROLOG_PSERIES_1(label, h);
#define _MASKABLE_EXCEPTION_PSERIES(vec, label, h, extra) \
__MASKABLE_EXCEPTION_PSERIES(vec, label, h, extra)
#define MASKABLE_EXCEPTION_PSERIES(loc, vec, label) \
- . = loc; \
- .globl label##_pSeries; \
-label##_pSeries: \
_MASKABLE_EXCEPTION_PSERIES(vec, label, \
EXC_STD, SOFTEN_TEST_PR)
+#define MASKABLE_EXCEPTION_PSERIES_OOL(vec, label) \
+ EXCEPTION_PROLOG_1(PACA_EXGEN, SOFTEN_TEST_PR, vec); \
+ EXCEPTION_PROLOG_PSERIES_1(label, EXC_STD)
+
#define MASKABLE_EXCEPTION_HV(loc, vec, label) \
- . = loc; \
- .globl label##_hv; \
-label##_hv: \
_MASKABLE_EXCEPTION_PSERIES(vec, label, \
EXC_HV, SOFTEN_TEST_HV)
#define MASKABLE_EXCEPTION_HV_OOL(vec, label) \
- .globl label##_hv; \
-label##_hv: \
EXCEPTION_PROLOG_1(PACA_EXGEN, SOFTEN_TEST_HV, vec); \
- EXCEPTION_PROLOG_PSERIES_1(label##_common, EXC_HV);
+ EXCEPTION_PROLOG_PSERIES_1(label, EXC_HV)
#define __MASKABLE_RELON_EXCEPTION_PSERIES(vec, label, h, extra) \
SET_SCRATCH0(r13); /* save r13 */ \
EXCEPTION_PROLOG_0(PACA_EXGEN); \
- __EXCEPTION_PROLOG_1(PACA_EXGEN, extra, vec); \
- EXCEPTION_RELON_PROLOG_PSERIES_1(label##_common, h);
-#define _MASKABLE_RELON_EXCEPTION_PSERIES(vec, label, h, extra) \
+ __EXCEPTION_PROLOG_1(PACA_EXGEN, extra, vec); \
+ EXCEPTION_RELON_PROLOG_PSERIES_1(label, h)
+
+#define _MASKABLE_RELON_EXCEPTION_PSERIES(vec, label, h, extra) \
__MASKABLE_RELON_EXCEPTION_PSERIES(vec, label, h, extra)
#define MASKABLE_RELON_EXCEPTION_PSERIES(loc, vec, label) \
- . = loc; \
- .globl label##_relon_pSeries; \
-label##_relon_pSeries: \
_MASKABLE_RELON_EXCEPTION_PSERIES(vec, label, \
EXC_STD, SOFTEN_NOTEST_PR)
#define MASKABLE_RELON_EXCEPTION_HV(loc, vec, label) \
- . = loc; \
- .globl label##_relon_hv; \
-label##_relon_hv: \
_MASKABLE_RELON_EXCEPTION_PSERIES(vec, label, \
EXC_HV, SOFTEN_NOTEST_HV)
#define MASKABLE_RELON_EXCEPTION_HV_OOL(vec, label) \
- .globl label##_relon_hv; \
-label##_relon_hv: \
EXCEPTION_PROLOG_1(PACA_EXGEN, SOFTEN_NOTEST_HV, vec); \
- EXCEPTION_PROLOG_PSERIES_1(label##_common, EXC_HV);
+ EXCEPTION_PROLOG_PSERIES_1(label, EXC_HV)
/*
* Our exception common code can be passed various "additions"
END_FTR_SECTION_IFSET(CPU_FTR_CTRL)
#define EXCEPTION_COMMON(trap, label, hdlr, ret, additions) \
- .align 7; \
- .globl label##_common; \
-label##_common: \
EXCEPTION_PROLOG_COMMON(trap, PACA_EXGEN); \
/* Volatile regs are potentially clobbered here */ \
additions; \
--- /dev/null
+#ifndef _ASM_POWERPC_HEAD_64_H
+#define _ASM_POWERPC_HEAD_64_H
+
+#include <asm/cache.h>
+
+#define EXC_REAL_BEGIN(name, start, end) \
+ . = start ; \
+ .global exc_real_##start##_##name ; \
+exc_real_##start##_##name:
+
+#define EXC_REAL_END(name, start, end)
+
+#define EXC_VIRT_BEGIN(name, start, end) \
+ . = start ; \
+ .global exc_virt_##start##_##name ; \
+exc_virt_##start##_##name:
+
+#define EXC_VIRT_END(name, start, end)
+
+#define EXC_COMMON_BEGIN(name) \
+ .global name; \
+name:
+
+#define TRAMP_REAL_BEGIN(name) \
+ .global name ; \
+name:
+
+#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
+#define TRAMP_KVM_BEGIN(name) \
+ TRAMP_REAL_BEGIN(name)
+#else
+#define TRAMP_KVM_BEGIN(name)
+#endif
+
+#define EXC_REAL_NONE(start, end)
+
+#define EXC_VIRT_NONE(start, end)
+
+
+#define EXC_REAL(name, start, end) \
+ EXC_REAL_BEGIN(name, start, end); \
+ STD_EXCEPTION_PSERIES(start, name##_common); \
+ EXC_REAL_END(name, start, end);
+
+#define EXC_VIRT(name, start, end, realvec) \
+ EXC_VIRT_BEGIN(name, start, end); \
+ STD_RELON_EXCEPTION_PSERIES(start, realvec, name##_common); \
+ EXC_VIRT_END(name, start, end);
+
+#define EXC_REAL_MASKABLE(name, start, end) \
+ EXC_REAL_BEGIN(name, start, end); \
+ MASKABLE_EXCEPTION_PSERIES(start, start, name##_common); \
+ EXC_REAL_END(name, start, end);
+
+#define EXC_VIRT_MASKABLE(name, start, end, realvec) \
+ EXC_VIRT_BEGIN(name, start, end); \
+ MASKABLE_RELON_EXCEPTION_PSERIES(start, realvec, name##_common); \
+ EXC_VIRT_END(name, start, end);
+
+#define EXC_REAL_HV(name, start, end) \
+ EXC_REAL_BEGIN(name, start, end); \
+ STD_EXCEPTION_HV(start, start, name##_common); \
+ EXC_REAL_END(name, start, end);
+
+#define EXC_VIRT_HV(name, start, end, realvec) \
+ EXC_VIRT_BEGIN(name, start, end); \
+ STD_RELON_EXCEPTION_HV(start, realvec, name##_common); \
+ EXC_VIRT_END(name, start, end);
+
+#define __EXC_REAL_OOL(name, start, end) \
+ EXC_REAL_BEGIN(name, start, end); \
+ __OOL_EXCEPTION(start, label, tramp_real_##name); \
+ EXC_REAL_END(name, start, end);
+
+#define __TRAMP_REAL_REAL_OOL(name, vec) \
+ TRAMP_REAL_BEGIN(tramp_real_##name); \
+ STD_EXCEPTION_PSERIES_OOL(vec, name##_common); \
+
+#define __EXC_REAL_OOL_MASKABLE(name, start, end) \
+ __EXC_REAL_OOL(name, start, end);
+
+#define __TRAMP_REAL_REAL_OOL_MASKABLE(name, vec) \
+ TRAMP_REAL_BEGIN(tramp_real_##name); \
+ MASKABLE_EXCEPTION_PSERIES_OOL(vec, name##_common); \
+
+#define __EXC_REAL_OOL_HV_DIRECT(name, start, end, handler) \
+ EXC_REAL_BEGIN(name, start, end); \
+ __OOL_EXCEPTION(start, label, handler); \
+ EXC_REAL_END(name, start, end);
+
+#define __EXC_REAL_OOL_HV(name, start, end) \
+ __EXC_REAL_OOL(name, start, end);
+
+#define __TRAMP_REAL_REAL_OOL_HV(name, vec) \
+ TRAMP_REAL_BEGIN(tramp_real_##name); \
+ STD_EXCEPTION_HV_OOL(vec, name##_common); \
+
+#define __EXC_REAL_OOL_MASKABLE_HV(name, start, end) \
+ __EXC_REAL_OOL(name, start, end);
+
+#define __TRAMP_REAL_REAL_OOL_MASKABLE_HV(name, vec) \
+ TRAMP_REAL_BEGIN(tramp_real_##name); \
+ MASKABLE_EXCEPTION_HV_OOL(vec, name##_common); \
+
+#define __EXC_VIRT_OOL(name, start, end) \
+ EXC_VIRT_BEGIN(name, start, end); \
+ __OOL_EXCEPTION(start, label, tramp_virt_##name); \
+ EXC_VIRT_END(name, start, end);
+
+#define __TRAMP_REAL_VIRT_OOL(name, realvec) \
+ TRAMP_REAL_BEGIN(tramp_virt_##name); \
+ STD_RELON_EXCEPTION_PSERIES_OOL(realvec, name##_common); \
+
+#define __EXC_VIRT_OOL_MASKABLE(name, start, end) \
+ __EXC_VIRT_OOL(name, start, end);
+
+#define __TRAMP_REAL_VIRT_OOL_MASKABLE(name, realvec) \
+ TRAMP_REAL_BEGIN(tramp_virt_##name); \
+ MASKABLE_RELON_EXCEPTION_PSERIES_OOL(realvec, name##_common); \
+
+#define __EXC_VIRT_OOL_HV(name, start, end) \
+ __EXC_VIRT_OOL(name, start, end);
+
+#define __TRAMP_REAL_VIRT_OOL_HV(name, realvec) \
+ TRAMP_REAL_BEGIN(tramp_virt_##name); \
+ STD_RELON_EXCEPTION_HV_OOL(realvec, name##_common); \
+
+#define __EXC_VIRT_OOL_MASKABLE_HV(name, start, end) \
+ __EXC_VIRT_OOL(name, start, end);
+
+#define __TRAMP_REAL_VIRT_OOL_MASKABLE_HV(name, realvec) \
+ TRAMP_REAL_BEGIN(tramp_virt_##name); \
+ MASKABLE_RELON_EXCEPTION_HV_OOL(realvec, name##_common); \
+
+#define TRAMP_KVM(area, n) \
+ TRAMP_KVM_BEGIN(do_kvm_##n); \
+ KVM_HANDLER(area, EXC_STD, n); \
+
+#define TRAMP_KVM_SKIP(area, n) \
+ TRAMP_KVM_BEGIN(do_kvm_##n); \
+ KVM_HANDLER_SKIP(area, EXC_STD, n); \
+
+#define TRAMP_KVM_HV(area, n) \
+ TRAMP_KVM_BEGIN(do_kvm_H##n); \
+ KVM_HANDLER(area, EXC_HV, n + 0x2); \
+
+#define TRAMP_KVM_HV_SKIP(area, n) \
+ TRAMP_KVM_BEGIN(do_kvm_H##n); \
+ KVM_HANDLER_SKIP(area, EXC_HV, n + 0x2); \
+
+#define EXC_COMMON(name, realvec, hdlr) \
+ EXC_COMMON_BEGIN(name); \
+ STD_EXCEPTION_COMMON(realvec, name, hdlr); \
+
+#define EXC_COMMON_ASYNC(name, realvec, hdlr) \
+ EXC_COMMON_BEGIN(name); \
+ STD_EXCEPTION_COMMON_ASYNC(realvec, name, hdlr); \
+
+#define EXC_COMMON_HV(name, realvec, hdlr) \
+ EXC_COMMON_BEGIN(name); \
+ STD_EXCEPTION_COMMON(realvec + 0x2, name, hdlr); \
+
+#endif /* _ASM_POWERPC_HEAD_64_H */
#include <asm/exception-64s.h>
#include <asm/ptrace.h>
#include <asm/cpuidle.h>
+#include <asm/head-64.h>
/*
* We layout physical memory as follows:
.globl __start_interrupts
__start_interrupts:
- .globl system_reset_pSeries;
-system_reset_pSeries:
+EXC_REAL_BEGIN(system_reset, 0x100, 0x200)
SET_SCRATCH0(r13)
#ifdef CONFIG_PPC_P7_NAP
BEGIN_FTR_SECTION
#endif /* CONFIG_PPC_P7_NAP */
EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, system_reset_common, EXC_STD,
NOTEST, 0x100)
+EXC_REAL_END(system_reset, 0x100, 0x200)
- . = 0x200
-machine_check_pSeries_1:
+EXC_REAL_BEGIN(machine_check, 0x200, 0x300)
/* This is moved out of line as it can be patched by FW, but
* some code path might still want to branch into the original
* vector
FTR_SECTION_ELSE
b machine_check_pSeries_0
ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE)
+EXC_REAL_END(machine_check, 0x200, 0x300)
- . = 0x300
- .globl data_access_pSeries
-data_access_pSeries:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, data_access_common, EXC_STD,
- KVMTEST, 0x300)
+EXC_REAL(data_access, 0x300, 0x380)
- . = 0x380
- .globl data_access_slb_pSeries
-data_access_slb_pSeries:
+EXC_REAL_BEGIN(data_access_slb, 0x380, 0x400)
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXSLB)
- EXCEPTION_PROLOG_1(PACA_EXSLB, KVMTEST, 0x380)
+ EXCEPTION_PROLOG_1(PACA_EXSLB, KVMTEST_PR, 0x380)
std r3,PACA_EXSLB+EX_R3(r13)
mfspr r3,SPRN_DAR
mfspr r12,SPRN_SRR1
mtctr r10
bctr
#endif
+EXC_REAL_END(data_access_slb, 0x380, 0x400)
- STD_EXCEPTION_PSERIES(0x400, instruction_access)
+EXC_REAL(instruction_access, 0x400, 0x480)
- . = 0x480
- .globl instruction_access_slb_pSeries
-instruction_access_slb_pSeries:
+EXC_REAL_BEGIN(instruction_access_slb, 0x480, 0x500)
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXSLB)
- EXCEPTION_PROLOG_1(PACA_EXSLB, KVMTEST, 0x480)
+ EXCEPTION_PROLOG_1(PACA_EXSLB, KVMTEST_PR, 0x480)
std r3,PACA_EXSLB+EX_R3(r13)
mfspr r3,SPRN_SRR0 /* SRR0 is faulting address */
mfspr r12,SPRN_SRR1
mtctr r10
bctr
#endif
+EXC_REAL_END(instruction_access_slb, 0x480, 0x500)
/* We open code these as we can't have a ". = x" (even with
* x = "." within a feature section
*/
- . = 0x500;
- .globl hardware_interrupt_pSeries;
+EXC_REAL_BEGIN(hardware_interrupt, 0x500, 0x600)
.globl hardware_interrupt_hv;
-hardware_interrupt_pSeries:
hardware_interrupt_hv:
BEGIN_FTR_SECTION
- _MASKABLE_EXCEPTION_PSERIES(0x502, hardware_interrupt,
+ _MASKABLE_EXCEPTION_PSERIES(0x500, hardware_interrupt_common,
EXC_HV, SOFTEN_TEST_HV)
+do_kvm_H0x500:
KVM_HANDLER(PACA_EXGEN, EXC_HV, 0x502)
FTR_SECTION_ELSE
- _MASKABLE_EXCEPTION_PSERIES(0x500, hardware_interrupt,
+ _MASKABLE_EXCEPTION_PSERIES(0x500, hardware_interrupt_common,
EXC_STD, SOFTEN_TEST_PR)
+do_kvm_0x500:
KVM_HANDLER(PACA_EXGEN, EXC_STD, 0x500)
ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE | CPU_FTR_ARCH_206)
+EXC_REAL_END(hardware_interrupt, 0x500, 0x600)
+
+EXC_REAL(alignment, 0x600, 0x700)
+
+TRAMP_KVM(PACA_EXGEN, 0x600)
+
+EXC_REAL(program_check, 0x700, 0x800)
- STD_EXCEPTION_PSERIES(0x600, alignment)
- KVM_HANDLER(PACA_EXGEN, EXC_STD, 0x600)
+TRAMP_KVM(PACA_EXGEN, 0x700)
- STD_EXCEPTION_PSERIES(0x700, program_check)
- KVM_HANDLER(PACA_EXGEN, EXC_STD, 0x700)
+EXC_REAL(fp_unavailable, 0x800, 0x900)
- STD_EXCEPTION_PSERIES(0x800, fp_unavailable)
- KVM_HANDLER(PACA_EXGEN, EXC_STD, 0x800)
+TRAMP_KVM(PACA_EXGEN, 0x800)
- . = 0x900
- .globl decrementer_pSeries
-decrementer_pSeries:
- _MASKABLE_EXCEPTION_PSERIES(0x900, decrementer, EXC_STD, SOFTEN_TEST_PR)
+EXC_REAL_MASKABLE(decrementer, 0x900, 0x980)
- STD_EXCEPTION_HV(0x980, 0x982, hdecrementer)
+EXC_REAL_HV(hdecrementer, 0x980, 0xa00)
- MASKABLE_EXCEPTION_PSERIES(0xa00, 0xa00, doorbell_super)
- KVM_HANDLER(PACA_EXGEN, EXC_STD, 0xa00)
+EXC_REAL_MASKABLE(doorbell_super, 0xa00, 0xb00)
- STD_EXCEPTION_PSERIES(0xb00, trap_0b)
- KVM_HANDLER(PACA_EXGEN, EXC_STD, 0xb00)
+TRAMP_KVM(PACA_EXGEN, 0xa00)
- . = 0xc00
- .globl system_call_pSeries
-system_call_pSeries:
+EXC_REAL(trap_0b, 0xb00, 0xc00)
+
+TRAMP_KVM(PACA_EXGEN, 0xb00)
+
+EXC_REAL_BEGIN(system_call, 0xc00, 0xd00)
/*
* If CONFIG_KVM_BOOK3S_64_HANDLER is set, save the PPR (on systems
* that support it) before changing to HMT_MEDIUM. That allows the KVM
std r10,PACA_EXGEN+EX_R10(r13)
OPT_SAVE_REG_TO_PACA(PACA_EXGEN+EX_PPR, r9, CPU_FTR_HAS_PPR);
mfcr r9
- KVMTEST(0xc00)
+ KVMTEST_PR(0xc00)
GET_SCRATCH0(r13)
#else
HMT_MEDIUM;
SYSCALL_PSERIES_1
SYSCALL_PSERIES_2_RFID
SYSCALL_PSERIES_3
- KVM_HANDLER(PACA_EXGEN, EXC_STD, 0xc00)
+EXC_REAL_END(system_call, 0xc00, 0xd00)
+
+TRAMP_KVM(PACA_EXGEN, 0xc00)
+
+EXC_REAL(single_step, 0xd00, 0xe00)
+
+TRAMP_KVM(PACA_EXGEN, 0xd00)
- STD_EXCEPTION_PSERIES(0xd00, single_step)
- KVM_HANDLER(PACA_EXGEN, EXC_STD, 0xd00)
/* At 0xe??? we have a bunch of hypervisor exceptions, we branch
* out of line to handle them
*/
- . = 0xe00
-hv_data_storage_trampoline:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXGEN)
- b h_data_storage_hv
+__EXC_REAL_OOL_HV(h_data_storage, 0xe00, 0xe20)
- . = 0xe20
-hv_instr_storage_trampoline:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXGEN)
- b h_instr_storage_hv
+__EXC_REAL_OOL_HV(h_instr_storage, 0xe20, 0xe40)
- . = 0xe40
-emulation_assist_trampoline:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXGEN)
- b emulation_assist_hv
+__EXC_REAL_OOL_HV(emulation_assist, 0xe40, 0xe60)
- . = 0xe60
-hv_exception_trampoline:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXGEN)
- b hmi_exception_early
+__EXC_REAL_OOL_HV_DIRECT(hmi_exception, 0xe60, 0xe80, hmi_exception_early)
- . = 0xe80
-hv_doorbell_trampoline:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXGEN)
- b h_doorbell_hv
+__EXC_REAL_OOL_MASKABLE_HV(h_doorbell, 0xe80, 0xea0)
- . = 0xea0
-hv_virt_irq_trampoline:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXGEN)
- b h_virt_irq_hv
+__EXC_REAL_OOL_MASKABLE_HV(h_virt_irq, 0xea0, 0xec0)
- /* We need to deal with the Altivec unavailable exception
- * here which is at 0xf20, thus in the middle of the
- * prolog code of the PerformanceMonitor one. A little
- * trickery is thus necessary
- */
- . = 0xf00
-performance_monitor_pseries_trampoline:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXGEN)
- b performance_monitor_pSeries
+EXC_REAL_NONE(0xec0, 0xf00)
- . = 0xf20
-altivec_unavailable_pseries_trampoline:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXGEN)
- b altivec_unavailable_pSeries
+__EXC_REAL_OOL(performance_monitor, 0xf00, 0xf20)
- . = 0xf40
-vsx_unavailable_pseries_trampoline:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXGEN)
- b vsx_unavailable_pSeries
+__EXC_REAL_OOL(altivec_unavailable, 0xf20, 0xf40)
- . = 0xf60
-facility_unavailable_trampoline:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXGEN)
- b facility_unavailable_pSeries
+__EXC_REAL_OOL(vsx_unavailable, 0xf40, 0xf60)
+
+__EXC_REAL_OOL(facility_unavailable, 0xf60, 0xf80)
+
+__EXC_REAL_OOL_HV(h_facility_unavailable, 0xf80, 0xfa0)
+
+EXC_REAL_NONE(0xfa0, 0x1200)
- . = 0xf80
-hv_facility_unavailable_trampoline:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXGEN)
- b hv_facility_unavailable_hv
#ifdef CONFIG_CBE_RAS
- STD_EXCEPTION_HV(0x1200, 0x1202, cbe_system_error)
- KVM_HANDLER_SKIP(PACA_EXGEN, EXC_HV, 0x1202)
-#endif /* CONFIG_CBE_RAS */
+EXC_REAL_HV(cbe_system_error, 0x1200, 0x1300)
+
+TRAMP_KVM_HV_SKIP(PACA_EXGEN, 0x1200)
+
+#else /* CONFIG_CBE_RAS */
+EXC_REAL_NONE(0x1200, 0x1300)
+#endif
- STD_EXCEPTION_PSERIES(0x1300, instruction_breakpoint)
- KVM_HANDLER_SKIP(PACA_EXGEN, EXC_STD, 0x1300)
+EXC_REAL(instruction_breakpoint, 0x1300, 0x1400)
- . = 0x1500
- .global denorm_exception_hv
-denorm_exception_hv:
+TRAMP_KVM_SKIP(PACA_EXGEN, 0x1300)
+
+EXC_REAL_BEGIN(denorm_exception_hv, 0x1500, 0x1600)
mtspr SPRN_SPRG_HSCRATCH0,r13
EXCEPTION_PROLOG_0(PACA_EXGEN)
EXCEPTION_PROLOG_1(PACA_EXGEN, NOTEST, 0x1500)
bne+ denorm_assist
#endif
- KVMTEST(0x1500)
+ KVMTEST_PR(0x1500)
EXCEPTION_PROLOG_PSERIES_1(denorm_common, EXC_HV)
- KVM_HANDLER_SKIP(PACA_EXGEN, EXC_STD, 0x1500)
+EXC_REAL_END(denorm_exception_hv, 0x1500, 0x1600)
+
+TRAMP_KVM_SKIP(PACA_EXGEN, 0x1500)
#ifdef CONFIG_CBE_RAS
- STD_EXCEPTION_HV(0x1600, 0x1602, cbe_maintenance)
- KVM_HANDLER_SKIP(PACA_EXGEN, EXC_HV, 0x1602)
-#endif /* CONFIG_CBE_RAS */
+EXC_REAL_HV(cbe_maintenance, 0x1600, 0x1700)
- STD_EXCEPTION_PSERIES(0x1700, altivec_assist)
- KVM_HANDLER(PACA_EXGEN, EXC_STD, 0x1700)
+TRAMP_KVM_HV_SKIP(PACA_EXGEN, 0x1600)
+
+#else /* CONFIG_CBE_RAS */
+EXC_REAL_NONE(0x1600, 0x1700)
+#endif
+
+EXC_REAL(altivec_assist, 0x1700, 0x1800)
+
+TRAMP_KVM(PACA_EXGEN, 0x1700)
#ifdef CONFIG_CBE_RAS
- STD_EXCEPTION_HV(0x1800, 0x1802, cbe_thermal)
- KVM_HANDLER_SKIP(PACA_EXGEN, EXC_HV, 0x1802)
-#else
+EXC_REAL_HV(cbe_thermal, 0x1800, 0x1900)
+
+TRAMP_KVM_HV_SKIP(PACA_EXGEN, 0x1800)
+
+#else /* CONFIG_CBE_RAS */
+EXC_REAL_NONE(0x1800, 0x1900)
. = 0x1800
-#endif /* CONFIG_CBE_RAS */
+#endif
/*** Out of line interrupts support ***/
- .align 7
/* moved from 0x200 */
-machine_check_powernv_early:
+ .align 7;
+TRAMP_REAL_BEGIN(machine_check_powernv_early)
BEGIN_FTR_SECTION
EXCEPTION_PROLOG_1(PACA_EXMC, NOTEST, 0x200)
/*
b . /* prevent speculative execution */
END_FTR_SECTION_IFSET(CPU_FTR_HVMODE)
-machine_check_pSeries:
+TRAMP_REAL_BEGIN(machine_check_pSeries)
.globl machine_check_fwnmi
machine_check_fwnmi:
SET_SCRATCH0(r13) /* save r13 */
EXCEPTION_PROLOG_0(PACA_EXMC)
machine_check_pSeries_0:
- EXCEPTION_PROLOG_1(PACA_EXMC, KVMTEST, 0x200)
+ EXCEPTION_PROLOG_1(PACA_EXMC, KVMTEST_PR, 0x200)
/*
* The following is essentially EXCEPTION_PROLOG_PSERIES_1 with the
* difference that MSR_RI is not enabled, because PACA_EXMC is being
rfid
b . /* prevent speculative execution */
- KVM_HANDLER_SKIP(PACA_EXMC, EXC_STD, 0x200)
- KVM_HANDLER_SKIP(PACA_EXGEN, EXC_STD, 0x300)
- KVM_HANDLER_SKIP(PACA_EXSLB, EXC_STD, 0x380)
- KVM_HANDLER(PACA_EXGEN, EXC_STD, 0x400)
- KVM_HANDLER(PACA_EXSLB, EXC_STD, 0x480)
- KVM_HANDLER(PACA_EXGEN, EXC_STD, 0x900)
- KVM_HANDLER(PACA_EXGEN, EXC_HV, 0x982)
+
+TRAMP_KVM_SKIP(PACA_EXMC, 0x200)
+TRAMP_KVM_SKIP(PACA_EXGEN, 0x300)
+TRAMP_KVM_SKIP(PACA_EXSLB, 0x380)
+TRAMP_KVM(PACA_EXGEN, 0x400)
+TRAMP_KVM(PACA_EXSLB, 0x480)
+TRAMP_KVM(PACA_EXGEN, 0x900)
+TRAMP_KVM_HV(PACA_EXGEN, 0x980)
#ifdef CONFIG_PPC_DENORMALISATION
-denorm_assist:
+TRAMP_REAL_BEGIN(denorm_assist)
BEGIN_FTR_SECTION
/*
* To denormalise we need to move a copy of the register to itself.
.align 7
/* moved from 0xe00 */
- STD_EXCEPTION_HV_OOL(0xe02, h_data_storage)
- KVM_HANDLER_SKIP(PACA_EXGEN, EXC_HV, 0xe02)
- STD_EXCEPTION_HV_OOL(0xe22, h_instr_storage)
- KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe22)
- STD_EXCEPTION_HV_OOL(0xe42, emulation_assist)
- KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe42)
- MASKABLE_EXCEPTION_HV_OOL(0xe62, hmi_exception)
- KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe62)
+__TRAMP_REAL_REAL_OOL_HV(h_data_storage, 0xe00)
+TRAMP_KVM_HV_SKIP(PACA_EXGEN, 0xe00)
+
+__TRAMP_REAL_REAL_OOL_HV(h_instr_storage, 0xe20)
+TRAMP_KVM_HV(PACA_EXGEN, 0xe20)
+
+__TRAMP_REAL_REAL_OOL_HV(emulation_assist, 0xe40)
+TRAMP_KVM_HV(PACA_EXGEN, 0xe40)
- MASKABLE_EXCEPTION_HV_OOL(0xe82, h_doorbell)
- KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe82)
+__TRAMP_REAL_REAL_OOL_MASKABLE_HV(hmi_exception, 0xe60)
+TRAMP_KVM_HV(PACA_EXGEN, 0xe60)
- MASKABLE_EXCEPTION_HV_OOL(0xea2, h_virt_irq)
- KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xea2)
+__TRAMP_REAL_REAL_OOL_MASKABLE_HV(h_doorbell, 0xe80)
+TRAMP_KVM_HV(PACA_EXGEN, 0xe80)
+
+__TRAMP_REAL_REAL_OOL_MASKABLE_HV(h_virt_irq, 0xea0)
+TRAMP_KVM_HV(PACA_EXGEN, 0xea0)
/* moved from 0xf00 */
- STD_EXCEPTION_PSERIES_OOL(0xf00, performance_monitor)
- KVM_HANDLER(PACA_EXGEN, EXC_STD, 0xf00)
- STD_EXCEPTION_PSERIES_OOL(0xf20, altivec_unavailable)
- KVM_HANDLER(PACA_EXGEN, EXC_STD, 0xf20)
- STD_EXCEPTION_PSERIES_OOL(0xf40, vsx_unavailable)
- KVM_HANDLER(PACA_EXGEN, EXC_STD, 0xf40)
- STD_EXCEPTION_PSERIES_OOL(0xf60, facility_unavailable)
- KVM_HANDLER(PACA_EXGEN, EXC_STD, 0xf60)
- STD_EXCEPTION_HV_OOL(0xf82, hv_facility_unavailable)
- KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xf82)
+__TRAMP_REAL_REAL_OOL(performance_monitor, 0xf00)
+TRAMP_KVM(PACA_EXGEN, 0xf00)
+
+__TRAMP_REAL_REAL_OOL(altivec_unavailable, 0xf20)
+TRAMP_KVM(PACA_EXGEN, 0xf20)
+
+__TRAMP_REAL_REAL_OOL(vsx_unavailable, 0xf40)
+TRAMP_KVM(PACA_EXGEN, 0xf40)
+
+__TRAMP_REAL_REAL_OOL(facility_unavailable, 0xf60)
+TRAMP_KVM(PACA_EXGEN, 0xf60)
+
+__TRAMP_REAL_REAL_OOL_HV(h_facility_unavailable, 0xf80)
+TRAMP_KVM_HV(PACA_EXGEN, 0xf80)
/*
* An interrupt came in while soft-disabled. We set paca->irq_happened, then:
/*
* Vectors for the FWNMI option. Share common code.
*/
- .globl system_reset_fwnmi
.align 7
-system_reset_fwnmi:
+TRAMP_REAL_BEGIN(system_reset_fwnmi)
SET_SCRATCH0(r13) /* save r13 */
EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, system_reset_common, EXC_STD,
NOTEST, 0x100)
#endif /* CONFIG_PPC_PSERIES */
#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
-kvmppc_skip_interrupt:
+TRAMP_REAL_BEGIN(kvmppc_skip_interrupt)
/*
* Here all GPRs are unchanged from when the interrupt happened
* except for r13, which is saved in SPRG_SCRATCH0.
rfid
b .
-kvmppc_skip_Hinterrupt:
+TRAMP_REAL_BEGIN(kvmppc_skip_Hinterrupt)
/*
* Here all GPRs are unchanged from when the interrupt happened
* except for r13, which is saved in SPRG_SCRATCH0.
/*** Common interrupt handlers ***/
- STD_EXCEPTION_COMMON(0x100, system_reset, system_reset_exception)
+ .align 7;
+EXC_COMMON(system_reset_common, 0x100, system_reset_exception)
+ .align 7;
+EXC_COMMON_ASYNC(hardware_interrupt_common, 0x500, do_IRQ)
+ .align 7;
+EXC_COMMON_ASYNC(decrementer_common, 0x900, timer_interrupt)
+ .align 7;
+EXC_COMMON(hdecrementer_common, 0x980, hdec_interrupt)
- STD_EXCEPTION_COMMON_ASYNC(0x500, hardware_interrupt, do_IRQ)
- STD_EXCEPTION_COMMON_ASYNC(0x900, decrementer, timer_interrupt)
- STD_EXCEPTION_COMMON(0x980, hdecrementer, hdec_interrupt)
+ .align 7;
#ifdef CONFIG_PPC_DOORBELL
- STD_EXCEPTION_COMMON_ASYNC(0xa00, doorbell_super, doorbell_exception)
+EXC_COMMON_ASYNC(doorbell_super_common, 0xa00, doorbell_exception)
#else
- STD_EXCEPTION_COMMON_ASYNC(0xa00, doorbell_super, unknown_exception)
+EXC_COMMON_ASYNC(doorbell_super_common, 0xa00, unknown_exception)
#endif
- STD_EXCEPTION_COMMON(0xb00, trap_0b, unknown_exception)
- STD_EXCEPTION_COMMON(0xd00, single_step, single_step_exception)
- STD_EXCEPTION_COMMON(0xe00, trap_0e, unknown_exception)
- STD_EXCEPTION_COMMON(0xe40, emulation_assist, emulation_assist_interrupt)
- STD_EXCEPTION_COMMON_ASYNC(0xe60, hmi_exception, handle_hmi_exception)
+ .align 7;
+EXC_COMMON(trap_0b_common, 0xb00, unknown_exception)
+ .align 7;
+EXC_COMMON(single_step_common, 0xd00, single_step_exception)
+ .align 7;
+EXC_COMMON(trap_0e_common, 0xe00, unknown_exception)
+ .align 7;
+EXC_COMMON(emulation_assist_common, 0xe40, emulation_assist_interrupt)
+ .align 7;
+EXC_COMMON_ASYNC(hmi_exception_common, 0xe60, handle_hmi_exception)
+ .align 7;
#ifdef CONFIG_PPC_DOORBELL
- STD_EXCEPTION_COMMON_ASYNC(0xe80, h_doorbell, doorbell_exception)
+EXC_COMMON_ASYNC(h_doorbell_common, 0xe80, doorbell_exception)
#else
- STD_EXCEPTION_COMMON_ASYNC(0xe80, h_doorbell, unknown_exception)
+EXC_COMMON_ASYNC(h_doorbell_common, 0xe80, unknown_exception)
#endif
- STD_EXCEPTION_COMMON_ASYNC(0xea0, h_virt_irq, do_IRQ)
- STD_EXCEPTION_COMMON_ASYNC(0xf00, performance_monitor, performance_monitor_exception)
- STD_EXCEPTION_COMMON(0x1300, instruction_breakpoint, instruction_breakpoint_exception)
- STD_EXCEPTION_COMMON(0x1502, denorm, unknown_exception)
+ .align 7;
+EXC_COMMON_ASYNC(h_virt_irq_common, 0xea0, do_IRQ)
+ .align 7;
+EXC_COMMON_ASYNC(performance_monitor_common, 0xf00, performance_monitor_exception)
+ .align 7;
+EXC_COMMON(instruction_breakpoint_common, 0x1300, instruction_breakpoint_exception)
+ .align 7;
+EXC_COMMON_HV(denorm_common, 0x1500, unknown_exception)
+ .align 7;
#ifdef CONFIG_ALTIVEC
- STD_EXCEPTION_COMMON(0x1700, altivec_assist, altivec_assist_exception)
+EXC_COMMON(altivec_assist_common, 0x1700, altivec_assist_exception)
#else
- STD_EXCEPTION_COMMON(0x1700, altivec_assist, unknown_exception)
+EXC_COMMON(altivec_assist_common, 0x1700, unknown_exception)
#endif
/*
* only has extra guff for STAB-based processors -- which never
* come here.
*/
- STD_RELON_EXCEPTION_PSERIES(0x4300, 0x300, data_access)
- . = 0x4380
- .globl data_access_slb_relon_pSeries
-data_access_slb_relon_pSeries:
+EXC_VIRT_NONE(0x4100, 0x4200)
+EXC_VIRT_NONE(0x4200, 0x4300)
+
+EXC_VIRT(data_access, 0x4300, 0x4380, 0x300)
+
+EXC_VIRT_BEGIN(data_access_slb, 0x4380, 0x4400)
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXSLB)
EXCEPTION_PROLOG_1(PACA_EXSLB, NOTEST, 0x380)
mtctr r10
bctr
#endif
+EXC_VIRT_END(data_access_slb, 0x4380, 0x4400)
- STD_RELON_EXCEPTION_PSERIES(0x4400, 0x400, instruction_access)
- . = 0x4480
- .globl instruction_access_slb_relon_pSeries
-instruction_access_slb_relon_pSeries:
+EXC_VIRT(instruction_access, 0x4400, 0x4480, 0x400)
+
+EXC_VIRT_BEGIN(instruction_access_slb, 0x4480, 0x4500)
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXSLB)
EXCEPTION_PROLOG_1(PACA_EXSLB, NOTEST, 0x480)
mtctr r10
bctr
#endif
+EXC_VIRT_END(instruction_access_slb, 0x4480, 0x4500)
- . = 0x4500
- .globl hardware_interrupt_relon_pSeries;
+EXC_VIRT_BEGIN(hardware_interrupt, 0x4500, 0x4600)
.globl hardware_interrupt_relon_hv;
-hardware_interrupt_relon_pSeries:
hardware_interrupt_relon_hv:
BEGIN_FTR_SECTION
- _MASKABLE_RELON_EXCEPTION_PSERIES(0x502, hardware_interrupt, EXC_HV, SOFTEN_TEST_HV)
+ _MASKABLE_RELON_EXCEPTION_PSERIES(0x500, hardware_interrupt_common, EXC_HV, SOFTEN_TEST_HV)
FTR_SECTION_ELSE
- _MASKABLE_RELON_EXCEPTION_PSERIES(0x500, hardware_interrupt, EXC_STD, SOFTEN_TEST_PR)
+ _MASKABLE_RELON_EXCEPTION_PSERIES(0x500, hardware_interrupt_common, EXC_STD, SOFTEN_TEST_PR)
ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE)
- STD_RELON_EXCEPTION_PSERIES(0x4600, 0x600, alignment)
- STD_RELON_EXCEPTION_PSERIES(0x4700, 0x700, program_check)
- STD_RELON_EXCEPTION_PSERIES(0x4800, 0x800, fp_unavailable)
- MASKABLE_RELON_EXCEPTION_PSERIES(0x4900, 0x900, decrementer)
- STD_RELON_EXCEPTION_HV(0x4980, 0x982, hdecrementer)
- MASKABLE_RELON_EXCEPTION_PSERIES(0x4a00, 0xa00, doorbell_super)
- STD_RELON_EXCEPTION_PSERIES(0x4b00, 0xb00, trap_0b)
-
- . = 0x4c00
- .globl system_call_relon_pSeries
-system_call_relon_pSeries:
+EXC_VIRT_END(hardware_interrupt, 0x4500, 0x4600)
+
+EXC_VIRT(alignment, 0x4600, 0x4700, 0x600)
+EXC_VIRT(program_check, 0x4700, 0x4800, 0x700)
+EXC_VIRT(fp_unavailable, 0x4800, 0x4900, 0x800)
+EXC_VIRT_MASKABLE(decrementer, 0x4900, 0x4980, 0x900)
+EXC_VIRT_HV(hdecrementer, 0x4980, 0x4a00, 0x980)
+EXC_VIRT_MASKABLE(doorbell_super, 0x4a00, 0x4b00, 0xa00)
+EXC_VIRT(trap_0b, 0x4b00, 0x4c00, 0xb00)
+
+EXC_VIRT_BEGIN(system_call, 0x4c00, 0x4d00)
HMT_MEDIUM
SYSCALL_PSERIES_1
SYSCALL_PSERIES_2_DIRECT
SYSCALL_PSERIES_3
+EXC_VIRT_END(system_call, 0x4c00, 0x4d00)
- STD_RELON_EXCEPTION_PSERIES(0x4d00, 0xd00, single_step)
+EXC_VIRT(single_step, 0x4d00, 0x4e00, 0xd00)
- . = 0x4e00
- b . /* Can't happen, see v2.07 Book III-S section 6.5 */
+EXC_VIRT_BEGIN(unused, 0x4e00, 0x4e20)
+ b . /* Can't happen, see v2.07 Book III-S section 6.5 */
+EXC_VIRT_END(unused, 0x4e00, 0x4e20)
- . = 0x4e20
- b . /* Can't happen, see v2.07 Book III-S section 6.5 */
+EXC_VIRT_BEGIN(unused, 0x4e20, 0x4e40)
+ b . /* Can't happen, see v2.07 Book III-S section 6.5 */
+EXC_VIRT_END(unused, 0x4e20, 0x4e40)
- . = 0x4e40
-emulation_assist_relon_trampoline:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXGEN)
- b emulation_assist_relon_hv
+__EXC_VIRT_OOL_HV(emulation_assist, 0x4e40, 0x4e60)
- . = 0x4e60
- b . /* Can't happen, see v2.07 Book III-S section 6.5 */
+EXC_VIRT_BEGIN(unused, 0x4e60, 0x4e80)
+ b . /* Can't happen, see v2.07 Book III-S section 6.5 */
+EXC_VIRT_END(unused, 0x4e60, 0x4e80)
- . = 0x4e80
-h_doorbell_relon_trampoline:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXGEN)
- b h_doorbell_relon_hv
+__EXC_VIRT_OOL_MASKABLE_HV(h_doorbell, 0x4e80, 0x4ea0)
- . = 0x4ea0
-h_virt_irq_relon_trampoline:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXGEN)
- b h_virt_irq_relon_hv
+__EXC_VIRT_OOL_MASKABLE_HV(h_virt_irq, 0x4ea0, 0x4ec0)
- . = 0x4f00
-performance_monitor_relon_pseries_trampoline:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXGEN)
- b performance_monitor_relon_pSeries
+EXC_VIRT_NONE(0x4ec0, 0x4f00)
- . = 0x4f20
-altivec_unavailable_relon_pseries_trampoline:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXGEN)
- b altivec_unavailable_relon_pSeries
+__EXC_VIRT_OOL(performance_monitor, 0x4f00, 0x4f20)
- . = 0x4f40
-vsx_unavailable_relon_pseries_trampoline:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXGEN)
- b vsx_unavailable_relon_pSeries
+__EXC_VIRT_OOL(altivec_unavailable, 0x4f20, 0x4f40)
- . = 0x4f60
-facility_unavailable_relon_trampoline:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXGEN)
- b facility_unavailable_relon_pSeries
+__EXC_VIRT_OOL(vsx_unavailable, 0x4f40, 0x4f60)
- . = 0x4f80
-hv_facility_unavailable_relon_trampoline:
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXGEN)
- b hv_facility_unavailable_relon_hv
+__EXC_VIRT_OOL(facility_unavailable, 0x4f60, 0x4f80)
+
+__EXC_VIRT_OOL_HV(h_facility_unavailable, 0x4f80, 0x4fa0)
+
+EXC_VIRT_NONE(0x4fa0, 0x5200)
+
+EXC_VIRT_NONE(0x5200, 0x5300)
+
+EXC_VIRT(instruction_breakpoint, 0x5300, 0x5400, 0x1300)
- STD_RELON_EXCEPTION_PSERIES(0x5300, 0x1300, instruction_breakpoint)
#ifdef CONFIG_PPC_DENORMALISATION
- . = 0x5500
- b denorm_exception_hv
+EXC_VIRT_BEGIN(denorm_exception, 0x5500, 0x5600)
+ b exc_real_0x1500_denorm_exception_hv
+EXC_VIRT_END(denorm_exception, 0x5500, 0x5600)
+#else
+EXC_VIRT_NONE(0x5500, 0x5600)
#endif
- STD_RELON_EXCEPTION_PSERIES(0x5700, 0x1700, altivec_assist)
-ppc64_runlatch_on_trampoline:
+EXC_VIRT_NONE(0x5600, 0x5700)
+
+EXC_VIRT(altivec_assist, 0x5700, 0x5800, 0x1700)
+
+EXC_VIRT_NONE(0x5800, 0x5900)
+
+TRAMP_REAL_BEGIN(ppc64_runlatch_on_trampoline)
b __ppc64_runlatch_on
/*
* r9 - r13 are saved in paca->exgen.
*/
.align 7
- .globl data_access_common
-data_access_common:
+EXC_COMMON_BEGIN(data_access_common)
mfspr r10,SPRN_DAR
std r10,PACA_EXGEN+EX_DAR(r13)
mfspr r10,SPRN_DSISR
ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_TYPE_RADIX)
.align 7
- .globl h_data_storage_common
-h_data_storage_common:
+EXC_COMMON_BEGIN(h_data_storage_common)
mfspr r10,SPRN_HDAR
std r10,PACA_EXGEN+EX_DAR(r13)
mfspr r10,SPRN_HDSISR
b ret_from_except
.align 7
- .globl instruction_access_common
-instruction_access_common:
+EXC_COMMON_BEGIN(instruction_access_common)
EXCEPTION_PROLOG_COMMON(0x400, PACA_EXGEN)
RECONCILE_IRQ_STATE(r10, r11)
ld r12,_MSR(r1)
b handle_page_fault
ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_TYPE_RADIX)
- STD_EXCEPTION_COMMON(0xe20, h_instr_storage, unknown_exception)
+ .align 7
+EXC_COMMON(h_instr_storage_common, 0xe20, unknown_exception)
/*
* Machine check is different because we use a different
* save area: PACA_EXMC instead of PACA_EXGEN.
*/
.align 7
- .globl machine_check_common
-machine_check_common:
-
+EXC_COMMON_BEGIN(machine_check_common)
mfspr r10,SPRN_DAR
std r10,PACA_EXMC+EX_DAR(r13)
mfspr r10,SPRN_DSISR
b ret_from_except
.align 7
- .globl alignment_common
-alignment_common:
+EXC_COMMON_BEGIN(alignment_common)
mfspr r10,SPRN_DAR
std r10,PACA_EXGEN+EX_DAR(r13)
mfspr r10,SPRN_DSISR
b ret_from_except
.align 7
- .globl program_check_common
-program_check_common:
+EXC_COMMON_BEGIN(program_check_common)
EXCEPTION_PROLOG_COMMON(0x700, PACA_EXGEN)
bl save_nvgprs
RECONCILE_IRQ_STATE(r10, r11)
b ret_from_except
.align 7
- .globl fp_unavailable_common
-fp_unavailable_common:
+EXC_COMMON_BEGIN(fp_unavailable_common)
EXCEPTION_PROLOG_COMMON(0x800, PACA_EXGEN)
bne 1f /* if from user, just load it up */
bl save_nvgprs
bl fp_unavailable_tm
b ret_from_except
#endif
+
.align 7
- .globl altivec_unavailable_common
-altivec_unavailable_common:
+EXC_COMMON_BEGIN(altivec_unavailable_common)
EXCEPTION_PROLOG_COMMON(0xf20, PACA_EXGEN)
#ifdef CONFIG_ALTIVEC
BEGIN_FTR_SECTION
b ret_from_except
.align 7
- .globl vsx_unavailable_common
-vsx_unavailable_common:
+EXC_COMMON_BEGIN(vsx_unavailable_common)
EXCEPTION_PROLOG_COMMON(0xf40, PACA_EXGEN)
#ifdef CONFIG_VSX
BEGIN_FTR_SECTION
b ret_from_except
/* Equivalents to the above handlers for relocation-on interrupt vectors */
- STD_RELON_EXCEPTION_HV_OOL(0xe40, emulation_assist)
- MASKABLE_RELON_EXCEPTION_HV_OOL(0xe80, h_doorbell)
- MASKABLE_RELON_EXCEPTION_HV_OOL(0xea0, h_virt_irq)
-
- STD_RELON_EXCEPTION_PSERIES_OOL(0xf00, performance_monitor)
- STD_RELON_EXCEPTION_PSERIES_OOL(0xf20, altivec_unavailable)
- STD_RELON_EXCEPTION_PSERIES_OOL(0xf40, vsx_unavailable)
- STD_RELON_EXCEPTION_PSERIES_OOL(0xf60, facility_unavailable)
- STD_RELON_EXCEPTION_HV_OOL(0xf80, hv_facility_unavailable)
+__TRAMP_REAL_VIRT_OOL_HV(emulation_assist, 0xe40)
+__TRAMP_REAL_VIRT_OOL_MASKABLE_HV(h_doorbell, 0xe80)
+__TRAMP_REAL_VIRT_OOL_MASKABLE_HV(h_virt_irq, 0xea0)
+__TRAMP_REAL_VIRT_OOL(performance_monitor, 0xf00)
+__TRAMP_REAL_VIRT_OOL(altivec_unavailable, 0xf20)
+__TRAMP_REAL_VIRT_OOL(vsx_unavailable, 0xf40)
+__TRAMP_REAL_VIRT_OOL(facility_unavailable, 0xf60)
+__TRAMP_REAL_VIRT_OOL_HV(h_facility_unavailable, 0xf80)
/*
* The __end_interrupts marker must be past the out-of-line (OOL)
. = 0x8000
#endif /* defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV) */
- STD_EXCEPTION_COMMON(0xf60, facility_unavailable, facility_unavailable_exception)
- STD_EXCEPTION_COMMON(0xf80, hv_facility_unavailable, facility_unavailable_exception)
+ .align 7;
+EXC_COMMON(facility_unavailable_common, 0xf60, facility_unavailable_exception)
+ .align 7;
+EXC_COMMON(h_facility_unavailable_common, 0xf80, facility_unavailable_exception)
#ifdef CONFIG_CBE_RAS
- STD_EXCEPTION_COMMON(0x1200, cbe_system_error, cbe_system_error_exception)
- STD_EXCEPTION_COMMON(0x1600, cbe_maintenance, cbe_maintenance_exception)
- STD_EXCEPTION_COMMON(0x1800, cbe_thermal, cbe_thermal_exception)
+ .align 7;
+EXC_COMMON(cbe_system_error_common, 0x1200, cbe_system_error_exception)
+ .align 7;
+EXC_COMMON(cbe_maintenance_common, 0x1600, cbe_maintenance_exception)
+ .align 7;
+EXC_COMMON(cbe_thermal_common, 0x1800, cbe_thermal_exception)
#endif /* CONFIG_CBE_RAS */
- .globl hmi_exception_early
-hmi_exception_early:
- EXCEPTION_PROLOG_1(PACA_EXGEN, KVMTEST, 0xe62)
+
+ .align 7;
+EXC_COMMON_BEGIN(hmi_exception_early)
+ EXCEPTION_PROLOG_1(PACA_EXGEN, KVMTEST_HV, 0xe60)
mr r10,r1 /* Save r1 */
ld r1,PACAEMERGSP(r13) /* Use emergency stack */
subi r1,r1,INT_FRAME_SIZE /* alloc stack frame */
hmi_exception_after_realmode:
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXGEN)
- b hmi_exception_hv
+ b tramp_real_hmi_exception
#define MACHINE_CHECK_HANDLER_WINDUP \
* ME=1, MMU (IR=0 and DR=0) off and using MC emergency stack.
*/
.align 7
- .globl machine_check_handle_early
-machine_check_handle_early:
+EXC_COMMON_BEGIN(machine_check_handle_early)
std r0,GPR0(r1) /* Save r0 */
EXCEPTION_PROLOG_COMMON_3(0x200)
bl save_nvgprs
MACHINE_CHECK_HANDLER_WINDUP
b machine_check_pSeries
-unrecover_mce:
+EXC_COMMON_BEGIN(unrecover_mce)
/* Invoke machine_check_exception to print MCE event and panic. */
addi r3,r1,STACK_FRAME_OVERHEAD
bl machine_check_exception
1: addi r3,r1,STACK_FRAME_OVERHEAD
bl unrecoverable_exception
b 1b
+
/*
* r13 points to the PACA, r9 contains the saved CR,
* r12 contain the saved SRR1, SRR0 is still ready for return
* cr6.eq is set for a D-SLB miss, clear for a I-SLB miss
* We assume we aren't going to take any exceptions during this procedure.
*/
-slb_miss_realmode:
+EXC_COMMON_BEGIN(slb_miss_realmode)
mflr r10
#ifdef CONFIG_RELOCATABLE
mtctr r11
rfid
b .
-unrecov_slb:
- EXCEPTION_PROLOG_COMMON(0x4100, PACA_EXSLB)
- RECONCILE_IRQ_STATE(r10, r11)
- bl save_nvgprs
-1: addi r3,r1,STACK_FRAME_OVERHEAD
- bl unrecoverable_exception
- b 1b
-
8: mfspr r11,SPRN_SRR0
LOAD_HANDLER(r10,bad_addr_slb)
mtspr SPRN_SRR0,r10
rfid
b .
-bad_addr_slb:
+EXC_COMMON_BEGIN(unrecov_slb)
+ EXCEPTION_PROLOG_COMMON(0x4100, PACA_EXSLB)
+ RECONCILE_IRQ_STATE(r10, r11)
+ bl save_nvgprs
+1: addi r3,r1,STACK_FRAME_OVERHEAD
+ bl unrecoverable_exception
+ b 1b
+
+
+EXC_COMMON_BEGIN(bad_addr_slb)
EXCEPTION_PROLOG_COMMON(0x380, PACA_EXSLB)
RECONCILE_IRQ_STATE(r10, r11)
ld r3, PACA_EXSLB+EX_DAR(r13)
b ret_from_except
#ifdef CONFIG_PPC_970_NAP
-power4_fixup_nap:
+TRAMP_REAL_BEGIN(power4_fixup_nap)
andc r9,r9,r10
std r9,TI_LOCAL_FLAGS(r11)
ld r10,_LINK(r1) /* make idle task do the */
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