diff options
author | Nicholas Piggin <npiggin@gmail.com> | 2019-06-22 23:15:28 +1000 |
---|---|---|
committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-07-02 20:24:42 +1000 |
commit | a0502434bb02876d6c9b41d78a8db3a0b766f682 (patch) | |
tree | 532c3811afa60d18697e1e63755edd9224345afd /arch/powerpc | |
parent | 12a04809905913859106ffae93572cc312017dda (diff) |
powerpc/64s/exception: move head-64.h code to exception-64s.S where it is used
No generated code change.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc')
-rw-r--r-- | arch/powerpc/include/asm/exception-64s.h | 1 | ||||
-rw-r--r-- | arch/powerpc/include/asm/head-64.h | 252 | ||||
-rw-r--r-- | arch/powerpc/kernel/exceptions-64s.S | 251 |
3 files changed, 251 insertions, 253 deletions
diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h index c28e2d2db926..3585e1d7e898 100644 --- a/arch/powerpc/include/asm/exception-64s.h +++ b/arch/powerpc/include/asm/exception-64s.h @@ -34,7 +34,6 @@ * exception handlers (including pSeries LPAR) and iSeries LPAR * implementations as possible. */ -#include <asm/head-64.h> #include <asm/feature-fixups.h> /* PACA save area offsets (exgen, exmc, etc) */ diff --git a/arch/powerpc/include/asm/head-64.h b/arch/powerpc/include/asm/head-64.h index dc1940c94a86..a466765709a9 100644 --- a/arch/powerpc/include/asm/head-64.h +++ b/arch/powerpc/include/asm/head-64.h @@ -169,53 +169,6 @@ name: #define ABS_ADDR(label) (label - fs_label + fs_start) -/* - * Following are the BOOK3S exception handler helper macros. - * Handlers come in a number of types, and each type has a number of varieties. - * - * EXC_REAL_* - real, unrelocated exception vectors - * EXC_VIRT_* - virt (AIL), unrelocated exception vectors - * TRAMP_REAL_* - real, unrelocated helpers (virt can call these) - * TRAMP_VIRT_* - virt, unreloc helpers (in practice, real can use) - * TRAMP_KVM - KVM handlers that get put into real, unrelocated - * EXC_COMMON - virt, relocated common handlers - * - * The EXC handlers are given a name, and branch to name_common, or the - * appropriate KVM or masking function. Vector handler verieties are as - * follows: - * - * EXC_{REAL|VIRT}_BEGIN/END - used to open-code the exception - * - * EXC_{REAL|VIRT} - standard exception - * - * EXC_{REAL|VIRT}_suffix - * where _suffix is: - * - _MASKABLE - maskable exception - * - _OOL - out of line with trampoline to common handler - * - _HV - HV exception - * - * There can be combinations, e.g., EXC_VIRT_OOL_MASKABLE_HV - * - * The one unusual case is __EXC_REAL_OOL_HV_DIRECT, which is - * an OOL vector that branches to a specified handler rather than the usual - * trampoline that goes to common. It, and other underscore macros, should - * be used with care. - * - * KVM handlers come in the following verieties: - * TRAMP_KVM - * TRAMP_KVM_SKIP - * TRAMP_KVM_HV - * TRAMP_KVM_HV_SKIP - * - * COMMON handlers come in the following verieties: - * EXC_COMMON_BEGIN/END - used to open-code the handler - * EXC_COMMON - * EXC_COMMON_ASYNC - * - * TRAMP_REAL and TRAMP_VIRT can be used with BEGIN/END. KVM - * and OOL handlers are implemented as types of TRAMP and TRAMP_VIRT handlers. - */ - #define EXC_REAL_BEGIN(name, start, size) \ FIXED_SECTION_ENTRY_BEGIN_LOCATION(real_vectors, exc_real_##start##_##name, start, size) @@ -257,211 +210,6 @@ name: FIXED_SECTION_ENTRY_BEGIN_LOCATION(virt_vectors, exc_virt_##start##_##unused, start, size); \ FIXED_SECTION_ENTRY_END_LOCATION(virt_vectors, exc_virt_##start##_##unused, start, size) - -#define __EXC_REAL(name, start, size, area) \ - EXC_REAL_BEGIN(name, start, size); \ - SET_SCRATCH0(r13); /* save r13 */ \ - EXCEPTION_PROLOG_0 area ; \ - EXCEPTION_PROLOG_1 EXC_STD, area, 1, start, 0 ; \ - EXCEPTION_PROLOG_2_REAL name##_common, EXC_STD, 1 ; \ - EXC_REAL_END(name, start, size) - -#define EXC_REAL(name, start, size) \ - __EXC_REAL(name, start, size, PACA_EXGEN) - -#define __EXC_VIRT(name, start, size, realvec, area) \ - EXC_VIRT_BEGIN(name, start, size); \ - SET_SCRATCH0(r13); /* save r13 */ \ - EXCEPTION_PROLOG_0 area ; \ - EXCEPTION_PROLOG_1 EXC_STD, area, 0, realvec, 0; \ - EXCEPTION_PROLOG_2_VIRT name##_common, EXC_STD ; \ - EXC_VIRT_END(name, start, size) - -#define EXC_VIRT(name, start, size, realvec) \ - __EXC_VIRT(name, start, size, realvec, PACA_EXGEN) - -#define EXC_REAL_MASKABLE(name, start, size, bitmask) \ - EXC_REAL_BEGIN(name, start, size); \ - SET_SCRATCH0(r13); /* save r13 */ \ - EXCEPTION_PROLOG_0 PACA_EXGEN ; \ - EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 1, start, bitmask ; \ - EXCEPTION_PROLOG_2_REAL name##_common, EXC_STD, 1 ; \ - EXC_REAL_END(name, start, size) - -#define EXC_VIRT_MASKABLE(name, start, size, realvec, bitmask) \ - EXC_VIRT_BEGIN(name, start, size); \ - SET_SCRATCH0(r13); /* save r13 */ \ - EXCEPTION_PROLOG_0 PACA_EXGEN ; \ - EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 0, realvec, bitmask ; \ - EXCEPTION_PROLOG_2_VIRT name##_common, EXC_STD ; \ - EXC_VIRT_END(name, start, size) - -#define EXC_REAL_HV(name, start, size) \ - EXC_REAL_BEGIN(name, start, size); \ - SET_SCRATCH0(r13); /* save r13 */ \ - EXCEPTION_PROLOG_0 PACA_EXGEN; \ - EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, start, 0 ; \ - EXCEPTION_PROLOG_2_REAL name##_common, EXC_HV, 1 ; \ - EXC_REAL_END(name, start, size) - -#define EXC_VIRT_HV(name, start, size, realvec) \ - EXC_VIRT_BEGIN(name, start, size); \ - SET_SCRATCH0(r13); /* save r13 */ \ - EXCEPTION_PROLOG_0 PACA_EXGEN; \ - EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, realvec, 0 ; \ - EXCEPTION_PROLOG_2_VIRT name##_common, EXC_HV ; \ - EXC_VIRT_END(name, start, size) - -#define __EXC_REAL_OOL(name, start, size) \ - EXC_REAL_BEGIN(name, start, size); \ - SET_SCRATCH0(r13); \ - EXCEPTION_PROLOG_0 PACA_EXGEN ; \ - b tramp_real_##name ; \ - EXC_REAL_END(name, start, size) - -#define __TRAMP_REAL_OOL(name, vec) \ - TRAMP_REAL_BEGIN(tramp_real_##name); \ - EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 1, vec, 0 ; \ - EXCEPTION_PROLOG_2_REAL name##_common, EXC_STD, 1 - -#define EXC_REAL_OOL(name, start, size) \ - __EXC_REAL_OOL(name, start, size); \ - __TRAMP_REAL_OOL(name, start) - -#define __EXC_REAL_OOL_MASKABLE(name, start, size) \ - __EXC_REAL_OOL(name, start, size) - -#define __TRAMP_REAL_OOL_MASKABLE(name, vec, bitmask) \ - TRAMP_REAL_BEGIN(tramp_real_##name); \ - EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 1, vec, bitmask ; \ - EXCEPTION_PROLOG_2_REAL name##_common, EXC_STD, 1 - -#define EXC_REAL_OOL_MASKABLE(name, start, size, bitmask) \ - __EXC_REAL_OOL_MASKABLE(name, start, size); \ - __TRAMP_REAL_OOL_MASKABLE(name, start, bitmask) - -#define __EXC_REAL_OOL_HV_DIRECT(name, start, size, handler) \ - EXC_REAL_BEGIN(name, start, size); \ - SET_SCRATCH0(r13); \ - EXCEPTION_PROLOG_0 PACA_EXGEN ; \ - b handler; \ - EXC_REAL_END(name, start, size) - -#define __EXC_REAL_OOL_HV(name, start, size) \ - __EXC_REAL_OOL(name, start, size) - -#define __TRAMP_REAL_OOL_HV(name, vec) \ - TRAMP_REAL_BEGIN(tramp_real_##name); \ - EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, vec, 0 ; \ - EXCEPTION_PROLOG_2_REAL name##_common, EXC_HV, 1 - -#define EXC_REAL_OOL_HV(name, start, size) \ - __EXC_REAL_OOL_HV(name, start, size); \ - __TRAMP_REAL_OOL_HV(name, start) - -#define __EXC_REAL_OOL_MASKABLE_HV(name, start, size) \ - __EXC_REAL_OOL(name, start, size) - -#define __TRAMP_REAL_OOL_MASKABLE_HV(name, vec, bitmask) \ - TRAMP_REAL_BEGIN(tramp_real_##name); \ - EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, vec, bitmask ; \ - EXCEPTION_PROLOG_2_REAL name##_common, EXC_HV, 1 - -#define EXC_REAL_OOL_MASKABLE_HV(name, start, size, bitmask) \ - __EXC_REAL_OOL_MASKABLE_HV(name, start, size); \ - __TRAMP_REAL_OOL_MASKABLE_HV(name, start, bitmask) - -#define __EXC_VIRT_OOL(name, start, size) \ - EXC_VIRT_BEGIN(name, start, size); \ - SET_SCRATCH0(r13); \ - EXCEPTION_PROLOG_0 PACA_EXGEN ; \ - b tramp_virt_##name; \ - EXC_VIRT_END(name, start, size) - -#define __TRAMP_VIRT_OOL(name, realvec) \ - TRAMP_VIRT_BEGIN(tramp_virt_##name); \ - EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 0, vec, 0 ; \ - EXCEPTION_PROLOG_2_VIRT name##_common, EXC_STD - -#define EXC_VIRT_OOL(name, start, size, realvec) \ - __EXC_VIRT_OOL(name, start, size); \ - __TRAMP_VIRT_OOL(name, realvec) - -#define __EXC_VIRT_OOL_MASKABLE(name, start, size) \ - __EXC_VIRT_OOL(name, start, size) - -#define __TRAMP_VIRT_OOL_MASKABLE(name, realvec, bitmask) \ - TRAMP_VIRT_BEGIN(tramp_virt_##name); \ - EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 0, realvec, bitmask ; \ - EXCEPTION_PROLOG_2_REAL name##_common, EXC_STD, 1 - -#define EXC_VIRT_OOL_MASKABLE(name, start, size, realvec, bitmask) \ - __EXC_VIRT_OOL_MASKABLE(name, start, size); \ - __TRAMP_VIRT_OOL_MASKABLE(name, realvec, bitmask) - -#define __EXC_VIRT_OOL_HV(name, start, size) \ - __EXC_VIRT_OOL(name, start, size) - -#define __TRAMP_VIRT_OOL_HV(name, realvec) \ - TRAMP_VIRT_BEGIN(tramp_virt_##name); \ - EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, realvec, 0 ; \ - EXCEPTION_PROLOG_2_VIRT name##_common, EXC_HV - -#define EXC_VIRT_OOL_HV(name, start, size, realvec) \ - __EXC_VIRT_OOL_HV(name, start, size); \ - __TRAMP_VIRT_OOL_HV(name, realvec) - -#define __EXC_VIRT_OOL_MASKABLE_HV(name, start, size) \ - __EXC_VIRT_OOL(name, start, size) - -#define __TRAMP_VIRT_OOL_MASKABLE_HV(name, realvec, bitmask) \ - TRAMP_VIRT_BEGIN(tramp_virt_##name); \ - EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, realvec, bitmask ; \ - EXCEPTION_PROLOG_2_VIRT name##_common, EXC_HV - -#define EXC_VIRT_OOL_MASKABLE_HV(name, start, size, realvec, bitmask) \ - __EXC_VIRT_OOL_MASKABLE_HV(name, start, size); \ - __TRAMP_VIRT_OOL_MASKABLE_HV(name, realvec, bitmask) - -#define TRAMP_KVM(area, n) \ - TRAMP_KVM_BEGIN(do_kvm_##n); \ - KVM_HANDLER area, EXC_STD, n, 0 - -#define TRAMP_KVM_SKIP(area, n) \ - TRAMP_KVM_BEGIN(do_kvm_##n); \ - KVM_HANDLER area, EXC_STD, n, 1 - -#define TRAMP_KVM_HV(area, n) \ - TRAMP_KVM_BEGIN(do_kvm_H##n); \ - KVM_HANDLER area, EXC_HV, n, 0 - -#define TRAMP_KVM_HV_SKIP(area, n) \ - TRAMP_KVM_BEGIN(do_kvm_H##n); \ - KVM_HANDLER area, EXC_HV, n, 1 - -#define EXC_COMMON(name, realvec, hdlr) \ - EXC_COMMON_BEGIN(name); \ - EXCEPTION_COMMON(PACA_EXGEN, realvec); \ - bl save_nvgprs; \ - RECONCILE_IRQ_STATE(r10, r11); \ - addi r3,r1,STACK_FRAME_OVERHEAD; \ - bl hdlr; \ - b ret_from_except - -/* - * Like EXC_COMMON, but for exceptions that can occur in the idle task and - * therefore need the special idle handling (finish nap and runlatch) - */ -#define EXC_COMMON_ASYNC(name, realvec, hdlr) \ - EXC_COMMON_BEGIN(name); \ - EXCEPTION_COMMON(PACA_EXGEN, realvec); \ - FINISH_NAP; \ - RECONCILE_IRQ_STATE(r10, r11); \ - RUNLATCH_ON; \ - addi r3,r1,STACK_FRAME_OVERHEAD; \ - bl hdlr; \ - b ret_from_except_lite - #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_HEAD_64_H */ diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 785aaa3333a9..ba2ecbd06c72 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -451,6 +451,257 @@ END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP) #define FINISH_NAP #endif +/* + * Following are the BOOK3S exception handler helper macros. + * Handlers come in a number of types, and each type has a number of varieties. + * + * EXC_REAL_* - real, unrelocated exception vectors + * EXC_VIRT_* - virt (AIL), unrelocated exception vectors + * TRAMP_REAL_* - real, unrelocated helpers (virt can call these) + * TRAMP_VIRT_* - virt, unreloc helpers (in practice, real can use) + * TRAMP_KVM - KVM handlers that get put into real, unrelocated + * EXC_COMMON - virt, relocated common handlers + * + * The EXC handlers are given a name, and branch to name_common, or the + * appropriate KVM or masking function. Vector handler verieties are as + * follows: + * + * EXC_{REAL|VIRT}_BEGIN/END - used to open-code the exception + * + * EXC_{REAL|VIRT} - standard exception + * + * EXC_{REAL|VIRT}_suffix + * where _suffix is: + * - _MASKABLE - maskable exception + * - _OOL - out of line with trampoline to common handler + * - _HV - HV exception + * + * There can be combinations, e.g., EXC_VIRT_OOL_MASKABLE_HV + * + * The one unusual case is __EXC_REAL_OOL_HV_DIRECT, which is + * an OOL vector that branches to a specified handler rather than the usual + * trampoline that goes to common. It, and other underscore macros, should + * be used with care. + * + * KVM handlers come in the following verieties: + * TRAMP_KVM + * TRAMP_KVM_SKIP + * TRAMP_KVM_HV + * TRAMP_KVM_HV_SKIP + * + * COMMON handlers come in the following verieties: + * EXC_COMMON_BEGIN/END - used to open-code the handler + * EXC_COMMON + * EXC_COMMON_ASYNC + * + * TRAMP_REAL and TRAMP_VIRT can be used with BEGIN/END. KVM + * and OOL handlers are implemented as types of TRAMP and TRAMP_VIRT handlers. + */ + +#define __EXC_REAL(name, start, size, area) \ + EXC_REAL_BEGIN(name, start, size); \ + SET_SCRATCH0(r13); /* save r13 */ \ + EXCEPTION_PROLOG_0 area ; \ + EXCEPTION_PROLOG_1 EXC_STD, area, 1, start, 0 ; \ + EXCEPTION_PROLOG_2_REAL name##_common, EXC_STD, 1 ; \ + EXC_REAL_END(name, start, size) + +#define EXC_REAL(name, start, size) \ + __EXC_REAL(name, start, size, PACA_EXGEN) + +#define __EXC_VIRT(name, start, size, realvec, area) \ + EXC_VIRT_BEGIN(name, start, size); \ + SET_SCRATCH0(r13); /* save r13 */ \ + EXCEPTION_PROLOG_0 area ; \ + EXCEPTION_PROLOG_1 EXC_STD, area, 0, realvec, 0; \ + EXCEPTION_PROLOG_2_VIRT name##_common, EXC_STD ; \ + EXC_VIRT_END(name, start, size) + +#define EXC_VIRT(name, start, size, realvec) \ + __EXC_VIRT(name, start, size, realvec, PACA_EXGEN) + +#define EXC_REAL_MASKABLE(name, start, size, bitmask) \ + EXC_REAL_BEGIN(name, start, size); \ + SET_SCRATCH0(r13); /* save r13 */ \ + EXCEPTION_PROLOG_0 PACA_EXGEN ; \ + EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 1, start, bitmask ; \ + EXCEPTION_PROLOG_2_REAL name##_common, EXC_STD, 1 ; \ + EXC_REAL_END(name, start, size) + +#define EXC_VIRT_MASKABLE(name, start, size, realvec, bitmask) \ + EXC_VIRT_BEGIN(name, start, size); \ + SET_SCRATCH0(r13); /* save r13 */ \ + EXCEPTION_PROLOG_0 PACA_EXGEN ; \ + EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 0, realvec, bitmask ; \ + EXCEPTION_PROLOG_2_VIRT name##_common, EXC_STD ; \ + EXC_VIRT_END(name, start, size) + +#define EXC_REAL_HV(name, start, size) \ + EXC_REAL_BEGIN(name, start, size); \ + SET_SCRATCH0(r13); /* save r13 */ \ + EXCEPTION_PROLOG_0 PACA_EXGEN; \ + EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, start, 0 ; \ + EXCEPTION_PROLOG_2_REAL name##_common, EXC_HV, 1 ; \ + EXC_REAL_END(name, start, size) + +#define EXC_VIRT_HV(name, start, size, realvec) \ + EXC_VIRT_BEGIN(name, start, size); \ + SET_SCRATCH0(r13); /* save r13 */ \ + EXCEPTION_PROLOG_0 PACA_EXGEN; \ + EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, realvec, 0 ; \ + EXCEPTION_PROLOG_2_VIRT name##_common, EXC_HV ; \ + EXC_VIRT_END(name, start, size) + +#define __EXC_REAL_OOL(name, start, size) \ + EXC_REAL_BEGIN(name, start, size); \ + SET_SCRATCH0(r13); \ + EXCEPTION_PROLOG_0 PACA_EXGEN ; \ + b tramp_real_##name ; \ + EXC_REAL_END(name, start, size) + +#define __TRAMP_REAL_OOL(name, vec) \ + TRAMP_REAL_BEGIN(tramp_real_##name); \ + EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 1, vec, 0 ; \ + EXCEPTION_PROLOG_2_REAL name##_common, EXC_STD, 1 + +#define EXC_REAL_OOL(name, start, size) \ + __EXC_REAL_OOL(name, start, size); \ + __TRAMP_REAL_OOL(name, start) + +#define __EXC_REAL_OOL_MASKABLE(name, start, size) \ + __EXC_REAL_OOL(name, start, size) + +#define __TRAMP_REAL_OOL_MASKABLE(name, vec, bitmask) \ + TRAMP_REAL_BEGIN(tramp_real_##name); \ + EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 1, vec, bitmask ; \ + EXCEPTION_PROLOG_2_REAL name##_common, EXC_STD, 1 + +#define EXC_REAL_OOL_MASKABLE(name, start, size, bitmask) \ + __EXC_REAL_OOL_MASKABLE(name, start, size); \ + __TRAMP_REAL_OOL_MASKABLE(name, start, bitmask) + +#define __EXC_REAL_OOL_HV_DIRECT(name, start, size, handler) \ + EXC_REAL_BEGIN(name, start, size); \ + SET_SCRATCH0(r13); \ + EXCEPTION_PROLOG_0 PACA_EXGEN ; \ + b handler; \ + EXC_REAL_END(name, start, size) + +#define __EXC_REAL_OOL_HV(name, start, size) \ + __EXC_REAL_OOL(name, start, size) + +#define __TRAMP_REAL_OOL_HV(name, vec) \ + TRAMP_REAL_BEGIN(tramp_real_##name); \ + EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, vec, 0 ; \ + EXCEPTION_PROLOG_2_REAL name##_common, EXC_HV, 1 + +#define EXC_REAL_OOL_HV(name, start, size) \ + __EXC_REAL_OOL_HV(name, start, size); \ + __TRAMP_REAL_OOL_HV(name, start) + +#define __EXC_REAL_OOL_MASKABLE_HV(name, start, size) \ + __EXC_REAL_OOL(name, start, size) + +#define __TRAMP_REAL_OOL_MASKABLE_HV(name, vec, bitmask) \ + TRAMP_REAL_BEGIN(tramp_real_##name); \ + EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, vec, bitmask ; \ + EXCEPTION_PROLOG_2_REAL name##_common, EXC_HV, 1 + +#define EXC_REAL_OOL_MASKABLE_HV(name, start, size, bitmask) \ + __EXC_REAL_OOL_MASKABLE_HV(name, start, size); \ + __TRAMP_REAL_OOL_MASKABLE_HV(name, start, bitmask) + +#define __EXC_VIRT_OOL(name, start, size) \ + EXC_VIRT_BEGIN(name, start, size); \ + SET_SCRATCH0(r13); \ + EXCEPTION_PROLOG_0 PACA_EXGEN ; \ + b tramp_virt_##name; \ + EXC_VIRT_END(name, start, size) + +#define __TRAMP_VIRT_OOL(name, realvec) \ + TRAMP_VIRT_BEGIN(tramp_virt_##name); \ + EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 0, vec, 0 ; \ + EXCEPTION_PROLOG_2_VIRT name##_common, EXC_STD + +#define EXC_VIRT_OOL(name, start, size, realvec) \ + __EXC_VIRT_OOL(name, start, size); \ + __TRAMP_VIRT_OOL(name, realvec) + +#define __EXC_VIRT_OOL_MASKABLE(name, start, size) \ + __EXC_VIRT_OOL(name, start, size) + +#define __TRAMP_VIRT_OOL_MASKABLE(name, realvec, bitmask) \ + TRAMP_VIRT_BEGIN(tramp_virt_##name); \ + EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 0, realvec, bitmask ; \ + EXCEPTION_PROLOG_2_REAL name##_common, EXC_STD, 1 + +#define EXC_VIRT_OOL_MASKABLE(name, start, size, realvec, bitmask) \ + __EXC_VIRT_OOL_MASKABLE(name, start, size); \ + __TRAMP_VIRT_OOL_MASKABLE(name, realvec, bitmask) + +#define __EXC_VIRT_OOL_HV(name, start, size) \ + __EXC_VIRT_OOL(name, start, size) + +#define __TRAMP_VIRT_OOL_HV(name, realvec) \ + TRAMP_VIRT_BEGIN(tramp_virt_##name); \ + EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, realvec, 0 ; \ + EXCEPTION_PROLOG_2_VIRT name##_common, EXC_HV + +#define EXC_VIRT_OOL_HV(name, start, size, realvec) \ + __EXC_VIRT_OOL_HV(name, start, size); \ + __TRAMP_VIRT_OOL_HV(name, realvec) + +#define __EXC_VIRT_OOL_MASKABLE_HV(name, start, size) \ + __EXC_VIRT_OOL(name, start, size) + +#define __TRAMP_VIRT_OOL_MASKABLE_HV(name, realvec, bitmask) \ + TRAMP_VIRT_BEGIN(tramp_virt_##name); \ + EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, realvec, bitmask ; \ + EXCEPTION_PROLOG_2_VIRT name##_common, EXC_HV + +#define EXC_VIRT_OOL_MASKABLE_HV(name, start, size, realvec, bitmask) \ + __EXC_VIRT_OOL_MASKABLE_HV(name, start, size); \ + __TRAMP_VIRT_OOL_MASKABLE_HV(name, realvec, bitmask) + +#define TRAMP_KVM(area, n) \ + TRAMP_KVM_BEGIN(do_kvm_##n); \ + KVM_HANDLER area, EXC_STD, n, 0 + +#define TRAMP_KVM_SKIP(area, n) \ + TRAMP_KVM_BEGIN(do_kvm_##n); \ + KVM_HANDLER area, EXC_STD, n, 1 + +#define TRAMP_KVM_HV(area, n) \ + TRAMP_KVM_BEGIN(do_kvm_H##n); \ + KVM_HANDLER area, EXC_HV, n, 0 + +#define TRAMP_KVM_HV_SKIP(area, n) \ + TRAMP_KVM_BEGIN(do_kvm_H##n); \ + KVM_HANDLER area, EXC_HV, n, 1 + +#define EXC_COMMON(name, realvec, hdlr) \ + EXC_COMMON_BEGIN(name); \ + EXCEPTION_COMMON(PACA_EXGEN, realvec); \ + bl save_nvgprs; \ + RECONCILE_IRQ_STATE(r10, r11); \ + addi r3,r1,STACK_FRAME_OVERHEAD; \ + bl hdlr; \ + b ret_from_except + +/* + * Like EXC_COMMON, but for exceptions that can occur in the idle task and + * therefore need the special idle handling (finish nap and runlatch) + */ +#define EXC_COMMON_ASYNC(name, realvec, hdlr) \ + EXC_COMMON_BEGIN(name); \ + EXCEPTION_COMMON(PACA_EXGEN, realvec); \ + FINISH_NAP; \ + RECONCILE_IRQ_STATE(r10, r11); \ + RUNLATCH_ON; \ + addi r3,r1,STACK_FRAME_OVERHEAD; \ + bl hdlr; \ + b ret_from_except_lite + /* * There are a few constraints to be concerned with. |