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powerpc/64s: Use (start, size) rather than (start, end) for exception handlers 

start,size has the benefit of being easier to search for (start,end
usually gives you the preceeding vector from the one you want, as first
result).

Suggested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nicholas Piggin 2016-12-06 11:41:12 +10:00 committed by Michael Ellerman
parent 852e5da99d
commit 1a6822d194
2 changed files with 185 additions and 168 deletions
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158
arch/powerpc/include/asm/head-64.h
View File

@ -38,8 +38,8 @@
* li r10,128
* mv r11,r10
* FIXED_SECTION_ENTRY_BEGIN_LOCATION(section_name, label2, start_address)
* FIXED_SECTION_ENTRY_END_LOCATION(section_name, label2, end_address)
* FIXED_SECTION_ENTRY_BEGIN_LOCATION(section_name, label2, start_address, size)
* FIXED_SECTION_ENTRY_END_LOCATION(section_name, label2, start_address, size)
* CLOSE_FIXED_SECTION(section_name)
*
* ZERO_FIXED_SECTION can be used to emit zeroed data.
@ -102,9 +102,15 @@ name:
#define FIXED_SECTION_ENTRY_BEGIN(sname, name) \
__FIXED_SECTION_ENTRY_BEGIN(sname, name, IFETCH_ALIGN_BYTES)
#define FIXED_SECTION_ENTRY_BEGIN_LOCATION(sname, name, start) \
#define FIXED_SECTION_ENTRY_BEGIN_LOCATION(sname, name, start, size) \
USE_FIXED_SECTION(sname); \
name##_start = (start); \
.if ((start) % (size) != 0); \
.error "Fixed section exception vector misalignment"; \
.endif; \
.if ((size) != 0x20) && ((size) != 0x80) && ((size) != 0x100); \
.error "Fixed section exception vector bad size"; \
.endif; \
.if (start) < sname##_start; \
.error "Fixed section underflow"; \
.abort; \
@ -113,16 +119,16 @@ name:
.global name; \
name:
#define FIXED_SECTION_ENTRY_END_LOCATION(sname, name, end) \
.if (end) > sname##_end; \
#define FIXED_SECTION_ENTRY_END_LOCATION(sname, name, start, size) \
.if (start) + (size) > sname##_end; \
.error "Fixed section overflow"; \
.abort; \
.endif; \
.if (. - name > end - name##_start); \
.if (. - name > (start) + (size) - name##_start); \
.error "Fixed entry overflow"; \
.abort; \
.endif; \
. = ((end) - sname##_start); \
. = ((start) + (size) - sname##_start); \
/*
@ -191,17 +197,17 @@ name:
* and OOL handlers are implemented as types of TRAMP and TRAMP_VIRT handlers.
*/
#define EXC_REAL_BEGIN(name, start, end) \
FIXED_SECTION_ENTRY_BEGIN_LOCATION(real_vectors, exc_real_##start##_##name, start)
#define EXC_REAL_BEGIN(name, start, size) \
FIXED_SECTION_ENTRY_BEGIN_LOCATION(real_vectors, exc_real_##start##_##name, start, size)
#define EXC_REAL_END(name, start, end) \
FIXED_SECTION_ENTRY_END_LOCATION(real_vectors, exc_real_##start##_##name, end)
#define EXC_REAL_END(name, start, size) \
FIXED_SECTION_ENTRY_END_LOCATION(real_vectors, exc_real_##start##_##name, start, size)
#define EXC_VIRT_BEGIN(name, start, end) \
FIXED_SECTION_ENTRY_BEGIN_LOCATION(virt_vectors, exc_virt_##start##_##name, start)
#define EXC_VIRT_BEGIN(name, start, size) \
FIXED_SECTION_ENTRY_BEGIN_LOCATION(virt_vectors, exc_virt_##start##_##name, start, size)
#define EXC_VIRT_END(name, start, end) \
FIXED_SECTION_ENTRY_END_LOCATION(virt_vectors, exc_virt_##start##_##name, end)
#define EXC_VIRT_END(name, start, size) \
FIXED_SECTION_ENTRY_END_LOCATION(virt_vectors, exc_virt_##start##_##name, start, size)
#define EXC_COMMON_BEGIN(name) \
USE_TEXT_SECTION(); \
@ -223,140 +229,140 @@ name:
#define TRAMP_KVM_BEGIN(name)
#endif
#define EXC_REAL_NONE(start, end) \
FIXED_SECTION_ENTRY_BEGIN_LOCATION(real_vectors, exc_real_##start##_##unused, start); \
FIXED_SECTION_ENTRY_END_LOCATION(real_vectors, exc_real_##start##_##unused, end)
#define EXC_REAL_NONE(start, size) \
FIXED_SECTION_ENTRY_BEGIN_LOCATION(real_vectors, exc_real_##start##_##unused, start, size); \
FIXED_SECTION_ENTRY_END_LOCATION(real_vectors, exc_real_##start##_##unused, start, size)
#define EXC_VIRT_NONE(start, end) \
FIXED_SECTION_ENTRY_BEGIN_LOCATION(virt_vectors, exc_virt_##start##_##unused, start); \
FIXED_SECTION_ENTRY_END_LOCATION(virt_vectors, exc_virt_##start##_##unused, end);
#define EXC_VIRT_NONE(start, size) \
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, end) \
EXC_REAL_BEGIN(name, start, end); \
#define EXC_REAL(name, start, size) \
EXC_REAL_BEGIN(name, start, size); \
STD_EXCEPTION_PSERIES(start, name##_common); \
EXC_REAL_END(name, start, end);
EXC_REAL_END(name, start, size);
#define EXC_VIRT(name, start, end, realvec) \
EXC_VIRT_BEGIN(name, start, end); \
#define EXC_VIRT(name, start, size, realvec) \
EXC_VIRT_BEGIN(name, start, size); \
STD_RELON_EXCEPTION_PSERIES(start, realvec, name##_common); \
EXC_VIRT_END(name, start, end);
EXC_VIRT_END(name, start, size);
#define EXC_REAL_MASKABLE(name, start, end) \
EXC_REAL_BEGIN(name, start, end); \
#define EXC_REAL_MASKABLE(name, start, size) \
EXC_REAL_BEGIN(name, start, size); \
MASKABLE_EXCEPTION_PSERIES(start, start, name##_common); \
EXC_REAL_END(name, start, end);
EXC_REAL_END(name, start, size);
#define EXC_VIRT_MASKABLE(name, start, end, realvec) \
EXC_VIRT_BEGIN(name, start, end); \
#define EXC_VIRT_MASKABLE(name, start, size, realvec) \
EXC_VIRT_BEGIN(name, start, size); \
MASKABLE_RELON_EXCEPTION_PSERIES(start, realvec, name##_common); \
EXC_VIRT_END(name, start, end);
EXC_VIRT_END(name, start, size);
#define EXC_REAL_HV(name, start, end) \
EXC_REAL_BEGIN(name, start, end); \
#define EXC_REAL_HV(name, start, size) \
EXC_REAL_BEGIN(name, start, size); \
STD_EXCEPTION_HV(start, start, name##_common); \
EXC_REAL_END(name, start, end);
EXC_REAL_END(name, start, size);
#define EXC_VIRT_HV(name, start, end, realvec) \
EXC_VIRT_BEGIN(name, start, end); \
#define EXC_VIRT_HV(name, start, size, realvec) \
EXC_VIRT_BEGIN(name, start, size); \
STD_RELON_EXCEPTION_HV(start, realvec, name##_common); \
EXC_VIRT_END(name, start, end);
EXC_VIRT_END(name, start, size);
#define __EXC_REAL_OOL(name, start, end) \
EXC_REAL_BEGIN(name, start, end); \
#define __EXC_REAL_OOL(name, start, size) \
EXC_REAL_BEGIN(name, start, size); \
__OOL_EXCEPTION(start, label, tramp_real_##name); \
EXC_REAL_END(name, start, end);
EXC_REAL_END(name, start, size);
#define __TRAMP_REAL_OOL(name, vec) \
TRAMP_REAL_BEGIN(tramp_real_##name); \
STD_EXCEPTION_PSERIES_OOL(vec, name##_common); \
#define EXC_REAL_OOL(name, start, end) \
__EXC_REAL_OOL(name, start, end); \
#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, end) \
__EXC_REAL_OOL(name, start, end);
#define __EXC_REAL_OOL_MASKABLE(name, start, size) \
__EXC_REAL_OOL(name, start, size);
#define __TRAMP_REAL_OOL_MASKABLE(name, vec) \
TRAMP_REAL_BEGIN(tramp_real_##name); \
MASKABLE_EXCEPTION_PSERIES_OOL(vec, name##_common); \
#define EXC_REAL_OOL_MASKABLE(name, start, end) \
__EXC_REAL_OOL_MASKABLE(name, start, end); \
#define EXC_REAL_OOL_MASKABLE(name, start, size) \
__EXC_REAL_OOL_MASKABLE(name, start, size); \
__TRAMP_REAL_OOL_MASKABLE(name, start);
#define __EXC_REAL_OOL_HV_DIRECT(name, start, end, handler) \
EXC_REAL_BEGIN(name, start, end); \
#define __EXC_REAL_OOL_HV_DIRECT(name, start, size, handler) \
EXC_REAL_BEGIN(name, start, size); \
__OOL_EXCEPTION(start, label, handler); \
EXC_REAL_END(name, start, end);
EXC_REAL_END(name, start, size);
#define __EXC_REAL_OOL_HV(name, start, end) \
__EXC_REAL_OOL(name, start, end);
#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); \
STD_EXCEPTION_HV_OOL(vec, name##_common); \
#define EXC_REAL_OOL_HV(name, start, end) \
__EXC_REAL_OOL_HV(name, start, end); \
#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, end) \
__EXC_REAL_OOL(name, start, end);
#define __EXC_REAL_OOL_MASKABLE_HV(name, start, size) \
__EXC_REAL_OOL(name, start, size);
#define __TRAMP_REAL_OOL_MASKABLE_HV(name, vec) \
TRAMP_REAL_BEGIN(tramp_real_##name); \
MASKABLE_EXCEPTION_HV_OOL(vec, name##_common); \
#define EXC_REAL_OOL_MASKABLE_HV(name, start, end) \
__EXC_REAL_OOL_MASKABLE_HV(name, start, end); \
#define EXC_REAL_OOL_MASKABLE_HV(name, start, size) \
__EXC_REAL_OOL_MASKABLE_HV(name, start, size); \
__TRAMP_REAL_OOL_MASKABLE_HV(name, start);
#define __EXC_VIRT_OOL(name, start, end) \
EXC_VIRT_BEGIN(name, start, end); \
#define __EXC_VIRT_OOL(name, start, size) \
EXC_VIRT_BEGIN(name, start, size); \
__OOL_EXCEPTION(start, label, tramp_virt_##name); \
EXC_VIRT_END(name, start, end);
EXC_VIRT_END(name, start, size);
#define __TRAMP_VIRT_OOL(name, realvec) \
TRAMP_VIRT_BEGIN(tramp_virt_##name); \
STD_RELON_EXCEPTION_PSERIES_OOL(realvec, name##_common); \
#define EXC_VIRT_OOL(name, start, end, realvec) \
__EXC_VIRT_OOL(name, start, end); \
#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, end) \
__EXC_VIRT_OOL(name, start, end);
#define __EXC_VIRT_OOL_MASKABLE(name, start, size) \
__EXC_VIRT_OOL(name, start, size);
#define __TRAMP_VIRT_OOL_MASKABLE(name, realvec) \
TRAMP_VIRT_BEGIN(tramp_virt_##name); \
MASKABLE_RELON_EXCEPTION_PSERIES_OOL(realvec, name##_common); \
#define EXC_VIRT_OOL_MASKABLE(name, start, end, realvec) \
__EXC_VIRT_OOL_MASKABLE(name, start, end); \
#define EXC_VIRT_OOL_MASKABLE(name, start, size, realvec) \
__EXC_VIRT_OOL_MASKABLE(name, start, size); \
__TRAMP_VIRT_OOL_MASKABLE(name, realvec);
#define __EXC_VIRT_OOL_HV(name, start, end) \
__EXC_VIRT_OOL(name, start, end);
#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); \
STD_RELON_EXCEPTION_HV_OOL(realvec, name##_common); \
#define EXC_VIRT_OOL_HV(name, start, end, realvec) \
__EXC_VIRT_OOL_HV(name, start, end); \
#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, end) \
__EXC_VIRT_OOL(name, start, end);
#define __EXC_VIRT_OOL_MASKABLE_HV(name, start, size) \
__EXC_VIRT_OOL(name, start, size);
#define __TRAMP_VIRT_OOL_MASKABLE_HV(name, realvec) \
TRAMP_VIRT_BEGIN(tramp_virt_##name); \
MASKABLE_RELON_EXCEPTION_HV_OOL(realvec, name##_common); \
#define EXC_VIRT_OOL_MASKABLE_HV(name, start, end, realvec) \
__EXC_VIRT_OOL_MASKABLE_HV(name, start, end); \
#define EXC_VIRT_OOL_MASKABLE_HV(name, start, size, realvec) \
__EXC_VIRT_OOL_MASKABLE_HV(name, start, size); \
__TRAMP_VIRT_OOL_MASKABLE_HV(name, realvec);
#define TRAMP_KVM(area, n) \

195
arch/powerpc/kernel/exceptions-64s.S
View File

@ -93,7 +93,7 @@ USE_FIXED_SECTION(real_vectors)
__start_interrupts:
/* No virt vectors corresponding with 0x0..0x100 */
EXC_VIRT_NONE(0x4000, 0x4100)
EXC_VIRT_NONE(0x4000, 0x100)
#ifdef CONFIG_PPC_P7_NAP
@ -114,15 +114,15 @@ EXC_VIRT_NONE(0x4000, 0x4100)
#define IDLETEST NOTEST
#endif
EXC_REAL_BEGIN(system_reset, 0x100, 0x200)
EXC_REAL_BEGIN(system_reset, 0x100, 0x100)
SET_SCRATCH0(r13)
GET_PACA(r13)
clrrdi r13,r13,1 /* Last bit of HSPRG0 is set if waking from winkle */
EXCEPTION_PROLOG_PSERIES_PACA(PACA_EXGEN, system_reset_common, EXC_STD,
IDLETEST, 0x100)
EXC_REAL_END(system_reset, 0x100, 0x200)
EXC_VIRT_NONE(0x4100, 0x4200)
EXC_REAL_END(system_reset, 0x100, 0x100)
EXC_VIRT_NONE(0x4100, 0x100)
#ifdef CONFIG_PPC_P7_NAP
EXC_COMMON_BEGIN(system_reset_idle_common)
@ -166,7 +166,7 @@ TRAMP_REAL_BEGIN(system_reset_fwnmi)
#endif /* CONFIG_PPC_PSERIES */
EXC_REAL_BEGIN(machine_check, 0x200, 0x300)
EXC_REAL_BEGIN(machine_check, 0x200, 0x100)
/* 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
@ -186,8 +186,8 @@ BEGIN_FTR_SECTION
FTR_SECTION_ELSE
b machine_check_pSeries_0
ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE)
EXC_REAL_END(machine_check, 0x200, 0x300)
EXC_VIRT_NONE(0x4200, 0x4300)
EXC_REAL_END(machine_check, 0x200, 0x100)
EXC_VIRT_NONE(0x4200, 0x100)
TRAMP_REAL_BEGIN(machine_check_powernv_early)
BEGIN_FTR_SECTION
EXCEPTION_PROLOG_1(PACA_EXMC, NOTEST, 0x200)
@ -483,8 +483,8 @@ EXC_COMMON_BEGIN(unrecover_mce)
b 1b
EXC_REAL(data_access, 0x300, 0x380)
EXC_VIRT(data_access, 0x4300, 0x4380, 0x300)
EXC_REAL(data_access, 0x300, 0x80)
EXC_VIRT(data_access, 0x4300, 0x80, 0x300)
TRAMP_KVM_SKIP(PACA_EXGEN, 0x300)
EXC_COMMON_BEGIN(data_access_common)
@ -512,7 +512,7 @@ MMU_FTR_SECTION_ELSE
ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_TYPE_RADIX)
EXC_REAL_BEGIN(data_access_slb, 0x380, 0x400)
EXC_REAL_BEGIN(data_access_slb, 0x380, 0x80)
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXSLB)
EXCEPTION_PROLOG_1(PACA_EXSLB, KVMTEST_PR, 0x380)
@ -533,9 +533,9 @@ EXC_REAL_BEGIN(data_access_slb, 0x380, 0x400)
mtctr r10
bctr
#endif
EXC_REAL_END(data_access_slb, 0x380, 0x400)
EXC_REAL_END(data_access_slb, 0x380, 0x80)
EXC_VIRT_BEGIN(data_access_slb, 0x4380, 0x4400)
EXC_VIRT_BEGIN(data_access_slb, 0x4380, 0x80)
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXSLB)
EXCEPTION_PROLOG_1(PACA_EXSLB, NOTEST, 0x380)
@ -556,12 +556,12 @@ EXC_VIRT_BEGIN(data_access_slb, 0x4380, 0x4400)
mtctr r10
bctr
#endif
EXC_VIRT_END(data_access_slb, 0x4380, 0x4400)
EXC_VIRT_END(data_access_slb, 0x4380, 0x80)
TRAMP_KVM_SKIP(PACA_EXSLB, 0x380)
EXC_REAL(instruction_access, 0x400, 0x480)
EXC_VIRT(instruction_access, 0x4400, 0x4480, 0x400)
EXC_REAL(instruction_access, 0x400, 0x80)
EXC_VIRT(instruction_access, 0x4400, 0x80, 0x400)
TRAMP_KVM(PACA_EXGEN, 0x400)
EXC_COMMON_BEGIN(instruction_access_common)
@ -580,7 +580,7 @@ MMU_FTR_SECTION_ELSE
ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_TYPE_RADIX)
EXC_REAL_BEGIN(instruction_access_slb, 0x480, 0x500)
EXC_REAL_BEGIN(instruction_access_slb, 0x480, 0x80)
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXSLB)
EXCEPTION_PROLOG_1(PACA_EXSLB, KVMTEST_PR, 0x480)
@ -596,9 +596,9 @@ EXC_REAL_BEGIN(instruction_access_slb, 0x480, 0x500)
mtctr r10
bctr
#endif
EXC_REAL_END(instruction_access_slb, 0x480, 0x500)
EXC_REAL_END(instruction_access_slb, 0x480, 0x80)
EXC_VIRT_BEGIN(instruction_access_slb, 0x4480, 0x4500)
EXC_VIRT_BEGIN(instruction_access_slb, 0x4480, 0x80)
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXSLB)
EXCEPTION_PROLOG_1(PACA_EXSLB, NOTEST, 0x480)
@ -614,7 +614,7 @@ EXC_VIRT_BEGIN(instruction_access_slb, 0x4480, 0x4500)
mtctr r10
bctr
#endif
EXC_VIRT_END(instruction_access_slb, 0x4480, 0x4500)
EXC_VIRT_END(instruction_access_slb, 0x4480, 0x80)
TRAMP_KVM(PACA_EXSLB, 0x480)
@ -711,7 +711,7 @@ EXC_COMMON_BEGIN(bad_addr_slb)
bl slb_miss_bad_addr
b ret_from_except
EXC_REAL_BEGIN(hardware_interrupt, 0x500, 0x600)
EXC_REAL_BEGIN(hardware_interrupt, 0x500, 0x100)
.globl hardware_interrupt_hv;
hardware_interrupt_hv:
BEGIN_FTR_SECTION
@ -725,9 +725,9 @@ do_kvm_H0x500:
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_END(hardware_interrupt, 0x500, 0x100)
EXC_VIRT_BEGIN(hardware_interrupt, 0x4500, 0x4600)
EXC_VIRT_BEGIN(hardware_interrupt, 0x4500, 0x100)
.globl hardware_interrupt_relon_hv;
hardware_interrupt_relon_hv:
BEGIN_FTR_SECTION
@ -735,13 +735,13 @@ hardware_interrupt_relon_hv:
FTR_SECTION_ELSE
_MASKABLE_RELON_EXCEPTION_PSERIES(0x500, hardware_interrupt_common, EXC_STD, SOFTEN_TEST_PR)
ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE)
EXC_VIRT_END(hardware_interrupt, 0x4500, 0x4600)
EXC_VIRT_END(hardware_interrupt, 0x4500, 0x100)
EXC_COMMON_ASYNC(hardware_interrupt_common, 0x500, do_IRQ)
EXC_REAL(alignment, 0x600, 0x700)
EXC_VIRT(alignment, 0x4600, 0x4700, 0x600)
EXC_REAL(alignment, 0x600, 0x100)
EXC_VIRT(alignment, 0x4600, 0x100, 0x600)
TRAMP_KVM(PACA_EXGEN, 0x600)
EXC_COMMON_BEGIN(alignment_common)
mfspr r10,SPRN_DAR
@ -760,8 +760,8 @@ EXC_COMMON_BEGIN(alignment_common)
b ret_from_except
EXC_REAL(program_check, 0x700, 0x800)
EXC_VIRT(program_check, 0x4700, 0x4800, 0x700)
EXC_REAL(program_check, 0x700, 0x100)
EXC_VIRT(program_check, 0x4700, 0x100, 0x700)
TRAMP_KVM(PACA_EXGEN, 0x700)
EXC_COMMON_BEGIN(program_check_common)
EXCEPTION_PROLOG_COMMON(0x700, PACA_EXGEN)
@ -772,8 +772,8 @@ EXC_COMMON_BEGIN(program_check_common)
b ret_from_except
EXC_REAL(fp_unavailable, 0x800, 0x900)
EXC_VIRT(fp_unavailable, 0x4800, 0x4900, 0x800)
EXC_REAL(fp_unavailable, 0x800, 0x100)
EXC_VIRT(fp_unavailable, 0x4800, 0x100, 0x800)
TRAMP_KVM(PACA_EXGEN, 0x800)
EXC_COMMON_BEGIN(fp_unavailable_common)
EXCEPTION_PROLOG_COMMON(0x800, PACA_EXGEN)
@ -805,20 +805,20 @@ END_FTR_SECTION_IFSET(CPU_FTR_TM)
#endif
EXC_REAL_MASKABLE(decrementer, 0x900, 0x980)
EXC_VIRT_MASKABLE(decrementer, 0x4900, 0x4980, 0x900)
EXC_REAL_MASKABLE(decrementer, 0x900, 0x80)
EXC_VIRT_MASKABLE(decrementer, 0x4900, 0x80, 0x900)
TRAMP_KVM(PACA_EXGEN, 0x900)
EXC_COMMON_ASYNC(decrementer_common, 0x900, timer_interrupt)
EXC_REAL_HV(hdecrementer, 0x980, 0xa00)
EXC_VIRT_HV(hdecrementer, 0x4980, 0x4a00, 0x980)
EXC_REAL_HV(hdecrementer, 0x980, 0x80)
EXC_VIRT_HV(hdecrementer, 0x4980, 0x80, 0x980)
TRAMP_KVM_HV(PACA_EXGEN, 0x980)
EXC_COMMON(hdecrementer_common, 0x980, hdec_interrupt)
EXC_REAL_MASKABLE(doorbell_super, 0xa00, 0xb00)
EXC_VIRT_MASKABLE(doorbell_super, 0x4a00, 0x4b00, 0xa00)
EXC_REAL_MASKABLE(doorbell_super, 0xa00, 0x100)
EXC_VIRT_MASKABLE(doorbell_super, 0x4a00, 0x100, 0xa00)
TRAMP_KVM(PACA_EXGEN, 0xa00)
#ifdef CONFIG_PPC_DOORBELL
EXC_COMMON_ASYNC(doorbell_super_common, 0xa00, doorbell_exception)
@ -827,8 +827,8 @@ EXC_COMMON_ASYNC(doorbell_super_common, 0xa00, unknown_exception)
#endif
EXC_REAL(trap_0b, 0xb00, 0xc00)
EXC_VIRT(trap_0b, 0x4b00, 0x4c00, 0xb00)
EXC_REAL(trap_0b, 0xb00, 0x100)
EXC_VIRT(trap_0b, 0x4b00, 0x100, 0xb00)
TRAMP_KVM(PACA_EXGEN, 0xb00)
EXC_COMMON(trap_0b_common, 0xb00, unknown_exception)
@ -884,7 +884,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_REAL_LE) \
b system_call_common ;
#endif
EXC_REAL_BEGIN(system_call, 0xc00, 0xd00)
EXC_REAL_BEGIN(system_call, 0xc00, 0x100)
/*
* 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
@ -909,25 +909,25 @@ EXC_REAL_BEGIN(system_call, 0xc00, 0xd00)
SYSCALL_PSERIES_1
SYSCALL_PSERIES_2_RFID
SYSCALL_PSERIES_3
EXC_REAL_END(system_call, 0xc00, 0xd00)
EXC_REAL_END(system_call, 0xc00, 0x100)
EXC_VIRT_BEGIN(system_call, 0x4c00, 0x4d00)
EXC_VIRT_BEGIN(system_call, 0x4c00, 0x100)
HMT_MEDIUM
SYSCALL_PSERIES_1
SYSCALL_PSERIES_2_DIRECT
SYSCALL_PSERIES_3
EXC_VIRT_END(system_call, 0x4c00, 0x4d00)
EXC_VIRT_END(system_call, 0x4c00, 0x100)
TRAMP_KVM(PACA_EXGEN, 0xc00)
EXC_REAL(single_step, 0xd00, 0xe00)
EXC_VIRT(single_step, 0x4d00, 0x4e00, 0xd00)
EXC_REAL(single_step, 0xd00, 0x100)
EXC_VIRT(single_step, 0x4d00, 0x100, 0xd00)
TRAMP_KVM(PACA_EXGEN, 0xd00)
EXC_COMMON(single_step_common, 0xd00, single_step_exception)
EXC_REAL_OOL_HV(h_data_storage, 0xe00, 0xe20)
EXC_VIRT_NONE(0x4e00, 0x4e20)
EXC_REAL_OOL_HV(h_data_storage, 0xe00, 0x20)
EXC_VIRT_NONE(0x4e00, 0x20)
TRAMP_KVM_HV_SKIP(PACA_EXGEN, 0xe00)
EXC_COMMON_BEGIN(h_data_storage_common)
mfspr r10,SPRN_HDAR
@ -942,14 +942,14 @@ EXC_COMMON_BEGIN(h_data_storage_common)
b ret_from_except
EXC_REAL_OOL_HV(h_instr_storage, 0xe20, 0xe40)
EXC_VIRT_NONE(0x4e20, 0x4e40)
EXC_REAL_OOL_HV(h_instr_storage, 0xe20, 0x20)
EXC_VIRT_NONE(0x4e20, 0x20)
TRAMP_KVM_HV(PACA_EXGEN, 0xe20)
EXC_COMMON(h_instr_storage_common, 0xe20, unknown_exception)
EXC_REAL_OOL_HV(emulation_assist, 0xe40, 0xe60)
EXC_VIRT_OOL_HV(emulation_assist, 0x4e40, 0x4e60, 0xe40)
EXC_REAL_OOL_HV(emulation_assist, 0xe40, 0x20)
EXC_VIRT_OOL_HV(emulation_assist, 0x4e40, 0x20, 0xe40)
TRAMP_KVM_HV(PACA_EXGEN, 0xe40)
EXC_COMMON(emulation_assist_common, 0xe40, emulation_assist_interrupt)
@ -959,9 +959,9 @@ EXC_COMMON(emulation_assist_common, 0xe40, emulation_assist_interrupt)
* first, and then eventaully from there to the trampoline to get into virtual
* mode.
*/
__EXC_REAL_OOL_HV_DIRECT(hmi_exception, 0xe60, 0xe80, hmi_exception_early)
__EXC_REAL_OOL_HV_DIRECT(hmi_exception, 0xe60, 0x20, hmi_exception_early)
__TRAMP_REAL_OOL_MASKABLE_HV(hmi_exception, 0xe60)
EXC_VIRT_NONE(0x4e60, 0x4e80)
EXC_VIRT_NONE(0x4e60, 0x20)
TRAMP_KVM_HV(PACA_EXGEN, 0xe60)
TRAMP_REAL_BEGIN(hmi_exception_early)
EXCEPTION_PROLOG_1(PACA_EXGEN, KVMTEST_HV, 0xe60)
@ -1015,8 +1015,8 @@ hmi_exception_after_realmode:
EXC_COMMON_ASYNC(hmi_exception_common, 0xe60, handle_hmi_exception)
EXC_REAL_OOL_MASKABLE_HV(h_doorbell, 0xe80, 0xea0)
EXC_VIRT_OOL_MASKABLE_HV(h_doorbell, 0x4e80, 0x4ea0, 0xe80)
EXC_REAL_OOL_MASKABLE_HV(h_doorbell, 0xe80, 0x20)
EXC_VIRT_OOL_MASKABLE_HV(h_doorbell, 0x4e80, 0x20, 0xe80)
TRAMP_KVM_HV(PACA_EXGEN, 0xe80)
#ifdef CONFIG_PPC_DOORBELL
EXC_COMMON_ASYNC(h_doorbell_common, 0xe80, doorbell_exception)
@ -1025,24 +1025,26 @@ EXC_COMMON_ASYNC(h_doorbell_common, 0xe80, unknown_exception)
#endif
EXC_REAL_OOL_MASKABLE_HV(h_virt_irq, 0xea0, 0xec0)
EXC_VIRT_OOL_MASKABLE_HV(h_virt_irq, 0x4ea0, 0x4ec0, 0xea0)
EXC_REAL_OOL_MASKABLE_HV(h_virt_irq, 0xea0, 0x20)
EXC_VIRT_OOL_MASKABLE_HV(h_virt_irq, 0x4ea0, 0x20, 0xea0)
TRAMP_KVM_HV(PACA_EXGEN, 0xea0)
EXC_COMMON_ASYNC(h_virt_irq_common, 0xea0, do_IRQ)
EXC_REAL_NONE(0xec0, 0xf00)
EXC_VIRT_NONE(0x4ec0, 0x4f00)
EXC_REAL_NONE(0xec0, 0x20)
EXC_VIRT_NONE(0x4ec0, 0x20)
EXC_REAL_NONE(0xee0, 0x20)
EXC_VIRT_NONE(0x4ee0, 0x20)
EXC_REAL_OOL(performance_monitor, 0xf00, 0xf20)
EXC_VIRT_OOL(performance_monitor, 0x4f00, 0x4f20, 0xf00)
EXC_REAL_OOL(performance_monitor, 0xf00, 0x20)
EXC_VIRT_OOL(performance_monitor, 0x4f00, 0x20, 0xf00)
TRAMP_KVM(PACA_EXGEN, 0xf00)
EXC_COMMON_ASYNC(performance_monitor_common, 0xf00, performance_monitor_exception)
EXC_REAL_OOL(altivec_unavailable, 0xf20, 0xf40)
EXC_VIRT_OOL(altivec_unavailable, 0x4f20, 0x4f40, 0xf20)
EXC_REAL_OOL(altivec_unavailable, 0xf20, 0x20)
EXC_VIRT_OOL(altivec_unavailable, 0x4f20, 0x20, 0xf20)
TRAMP_KVM(PACA_EXGEN, 0xf20)
EXC_COMMON_BEGIN(altivec_unavailable_common)
EXCEPTION_PROLOG_COMMON(0xf20, PACA_EXGEN)
@ -1078,8 +1080,8 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
b ret_from_except
EXC_REAL_OOL(vsx_unavailable, 0xf40, 0xf60)
EXC_VIRT_OOL(vsx_unavailable, 0x4f40, 0x4f60, 0xf40)
EXC_REAL_OOL(vsx_unavailable, 0xf40, 0x20)
EXC_VIRT_OOL(vsx_unavailable, 0x4f40, 0x20, 0xf40)
TRAMP_KVM(PACA_EXGEN, 0xf40)
EXC_COMMON_BEGIN(vsx_unavailable_common)
EXCEPTION_PROLOG_COMMON(0xf40, PACA_EXGEN)
@ -1114,41 +1116,50 @@ END_FTR_SECTION_IFSET(CPU_FTR_VSX)
b ret_from_except
EXC_REAL_OOL(facility_unavailable, 0xf60, 0xf80)
EXC_VIRT_OOL(facility_unavailable, 0x4f60, 0x4f80, 0xf60)
EXC_REAL_OOL(facility_unavailable, 0xf60, 0x20)
EXC_VIRT_OOL(facility_unavailable, 0x4f60, 0x20, 0xf60)
TRAMP_KVM(PACA_EXGEN, 0xf60)
EXC_COMMON(facility_unavailable_common, 0xf60, facility_unavailable_exception)
EXC_REAL_OOL_HV(h_facility_unavailable, 0xf80, 0xfa0)
EXC_VIRT_OOL_HV(h_facility_unavailable, 0x4f80, 0x4fa0, 0xf80)
EXC_REAL_OOL_HV(h_facility_unavailable, 0xf80, 0x20)
EXC_VIRT_OOL_HV(h_facility_unavailable, 0x4f80, 0x20, 0xf80)
TRAMP_KVM_HV(PACA_EXGEN, 0xf80)
EXC_COMMON(h_facility_unavailable_common, 0xf80, facility_unavailable_exception)
EXC_REAL_NONE(0xfa0, 0x1200)
EXC_VIRT_NONE(0x4fa0, 0x5200)
EXC_REAL_NONE(0xfa0, 0x20)
EXC_VIRT_NONE(0x4fa0, 0x20)
EXC_REAL_NONE(0xfc0, 0x20)
EXC_VIRT_NONE(0x4fc0, 0x20)
EXC_REAL_NONE(0xfe0, 0x20)
EXC_VIRT_NONE(0x4fe0, 0x20)
EXC_REAL_NONE(0x1000, 0x100)
EXC_VIRT_NONE(0x5000, 0x100)
EXC_REAL_NONE(0x1100, 0x100)
EXC_VIRT_NONE(0x5100, 0x100)
#ifdef CONFIG_CBE_RAS
EXC_REAL_HV(cbe_system_error, 0x1200, 0x1300)
EXC_VIRT_NONE(0x5200, 0x5300)
EXC_REAL_HV(cbe_system_error, 0x1200, 0x100)
EXC_VIRT_NONE(0x5200, 0x100)
TRAMP_KVM_HV_SKIP(PACA_EXGEN, 0x1200)
EXC_COMMON(cbe_system_error_common, 0x1200, cbe_system_error_exception)
#else /* CONFIG_CBE_RAS */
EXC_REAL_NONE(0x1200, 0x1300)
EXC_VIRT_NONE(0x5200, 0x5300)
EXC_REAL_NONE(0x1200, 0x100)
EXC_VIRT_NONE(0x5200, 0x100)
#endif
EXC_REAL(instruction_breakpoint, 0x1300, 0x1400)
EXC_VIRT(instruction_breakpoint, 0x5300, 0x5400, 0x1300)
EXC_REAL(instruction_breakpoint, 0x1300, 0x100)
EXC_VIRT(instruction_breakpoint, 0x5300, 0x100, 0x1300)
TRAMP_KVM_SKIP(PACA_EXGEN, 0x1300)
EXC_COMMON(instruction_breakpoint_common, 0x1300, instruction_breakpoint_exception)
EXC_REAL_NONE(0x1400, 0x1500)
EXC_VIRT_NONE(0x5400, 0x5500)
EXC_REAL_NONE(0x1400, 0x100)
EXC_VIRT_NONE(0x5400, 0x100)
EXC_REAL_BEGIN(denorm_exception_hv, 0x1500, 0x1600)
EXC_REAL_BEGIN(denorm_exception_hv, 0x1500, 0x100)
mtspr SPRN_SPRG_HSCRATCH0,r13
EXCEPTION_PROLOG_0(PACA_EXGEN)
EXCEPTION_PROLOG_1(PACA_EXGEN, NOTEST, 0x1500)
@ -1163,14 +1174,14 @@ EXC_REAL_BEGIN(denorm_exception_hv, 0x1500, 0x1600)
KVMTEST_PR(0x1500)
EXCEPTION_PROLOG_PSERIES_1(denorm_common, EXC_HV)
EXC_REAL_END(denorm_exception_hv, 0x1500, 0x1600)
EXC_REAL_END(denorm_exception_hv, 0x1500, 0x100)
#ifdef CONFIG_PPC_DENORMALISATION
EXC_VIRT_BEGIN(denorm_exception, 0x5500, 0x5600)
EXC_VIRT_BEGIN(denorm_exception, 0x5500, 0x100)
b exc_real_0x1500_denorm_exception_hv
EXC_VIRT_END(denorm_exception, 0x5500, 0x5600)
EXC_VIRT_END(denorm_exception, 0x5500, 0x100)
#else
EXC_VIRT_NONE(0x5500, 0x5600)
EXC_VIRT_NONE(0x5500, 0x100)
#endif
TRAMP_KVM_SKIP(PACA_EXGEN, 0x1500)
@ -1243,18 +1254,18 @@ EXC_COMMON_HV(denorm_common, 0x1500, unknown_exception)
#ifdef CONFIG_CBE_RAS
EXC_REAL_HV(cbe_maintenance, 0x1600, 0x1700)
EXC_VIRT_NONE(0x5600, 0x5700)
EXC_REAL_HV(cbe_maintenance, 0x1600, 0x100)
EXC_VIRT_NONE(0x5600, 0x100)
TRAMP_KVM_HV_SKIP(PACA_EXGEN, 0x1600)
EXC_COMMON(cbe_maintenance_common, 0x1600, cbe_maintenance_exception)
#else /* CONFIG_CBE_RAS */
EXC_REAL_NONE(0x1600, 0x1700)
EXC_VIRT_NONE(0x5600, 0x5700)
EXC_REAL_NONE(0x1600, 0x100)
EXC_VIRT_NONE(0x5600, 0x100)
#endif
EXC_REAL(altivec_assist, 0x1700, 0x1800)
EXC_VIRT(altivec_assist, 0x5700, 0x5800, 0x1700)
EXC_REAL(altivec_assist, 0x1700, 0x100)
EXC_VIRT(altivec_assist, 0x5700, 0x100, 0x1700)
TRAMP_KVM(PACA_EXGEN, 0x1700)
#ifdef CONFIG_ALTIVEC
EXC_COMMON(altivec_assist_common, 0x1700, altivec_assist_exception)
@ -1264,13 +1275,13 @@ EXC_COMMON(altivec_assist_common, 0x1700, unknown_exception)
#ifdef CONFIG_CBE_RAS
EXC_REAL_HV(cbe_thermal, 0x1800, 0x1900)
EXC_VIRT_NONE(0x5800, 0x5900)
EXC_REAL_HV(cbe_thermal, 0x1800, 0x100)
EXC_VIRT_NONE(0x5800, 0x100)
TRAMP_KVM_HV_SKIP(PACA_EXGEN, 0x1800)
EXC_COMMON(cbe_thermal_common, 0x1800, cbe_thermal_exception)
#else /* CONFIG_CBE_RAS */
EXC_REAL_NONE(0x1800, 0x1900)
EXC_VIRT_NONE(0x5800, 0x5900)
EXC_REAL_NONE(0x1800, 0x100)
EXC_VIRT_NONE(0x5800, 0x100)
#endif