From: Nicholas Piggin <npiggin@gmail.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: Nicholas Piggin <npiggin@gmail.com>
Subject: [PATCH v2 40/52] powerpc/64s/exception: move SET_SCRATCH0 into EXCEPTION_PROLOG_0
Date: Thu, 20 Jun 2019 15:14:47 +1000 [thread overview]
Message-ID: <20190620051459.29573-41-npiggin@gmail.com> (raw)
In-Reply-To: <20190620051459.29573-1-npiggin@gmail.com>
No generated code change. File is change is in bug table line numbers.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
arch/powerpc/kernel/exceptions-64s.S | 25 +------------------------
1 file changed, 1 insertion(+), 24 deletions(-)
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 99de397a1cd9..286bd5670d60 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -128,6 +128,7 @@ BEGIN_FTR_SECTION_NESTED(943) \
END_FTR_SECTION_NESTED(ftr,ftr,943)
.macro EXCEPTION_PROLOG_0 area
+ SET_SCRATCH0(r13) /* save r13 */
GET_PACA(r13)
std r9,\area\()+EX_R9(r13) /* save r9 */
OPT_GET_SPR(r9, SPRN_PPR, CPU_FTR_HAS_PPR)
@@ -540,7 +541,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
#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, 0, 0 ; \
EXCEPTION_PROLOG_2_REAL name##_common, EXC_STD, 1 ; \
@@ -551,7 +551,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
#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, 0, 0; \
EXCEPTION_PROLOG_2_VIRT name##_common, EXC_STD ; \
@@ -562,7 +561,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
#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, 0, 0, bitmask ; \
EXCEPTION_PROLOG_2_REAL name##_common, EXC_STD, 1 ; \
@@ -570,7 +568,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
#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, 0, 0, bitmask ; \
EXCEPTION_PROLOG_2_VIRT name##_common, EXC_STD ; \
@@ -578,7 +575,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
#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, 0, 0 ; \
EXCEPTION_PROLOG_2_REAL name##_common, EXC_HV, 1 ; \
@@ -586,7 +582,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
#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, 0, 0 ; \
EXCEPTION_PROLOG_2_VIRT name##_common, EXC_HV ; \
@@ -594,7 +589,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
#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)
@@ -622,7 +616,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
#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)
@@ -653,7 +646,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
#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)
@@ -864,7 +856,6 @@ BEGIN_FTR_SECTION
END_FTR_SECTION_IFSET(CPU_FTR_HVMODE | CPU_FTR_ARCH_206)
#endif
- SET_SCRATCH0(r13) /* save r13 */
EXCEPTION_PROLOG_0 PACA_EXNMI
EXCEPTION_PROLOG_1 EXC_STD, PACA_EXNMI, 1, 0x100, 0, 0, 0
EXCEPTION_PROLOG_2_REAL system_reset_common, EXC_STD, 0
@@ -890,7 +881,6 @@ TRAMP_REAL_BEGIN(system_reset_idle_wake)
* Vectors for the FWNMI option. Share common code.
*/
TRAMP_REAL_BEGIN(system_reset_fwnmi)
- SET_SCRATCH0(r13) /* save r13 */
/* See comment at system_reset exception, don't turn on RI */
EXCEPTION_PROLOG_0 PACA_EXNMI
EXCEPTION_PROLOG_1 EXC_STD, PACA_EXNMI, 0, 0x100, 0, 0, 0
@@ -961,7 +951,6 @@ EXC_REAL_BEGIN(machine_check, 0x200, 0x100)
* some code path might still want to branch into the original
* vector
*/
- SET_SCRATCH0(r13) /* save r13 */
EXCEPTION_PROLOG_0 PACA_EXMC
BEGIN_FTR_SECTION
b machine_check_common_early
@@ -1050,7 +1039,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_HVMODE)
TRAMP_REAL_BEGIN(machine_check_pSeries)
.globl machine_check_fwnmi
machine_check_fwnmi:
- SET_SCRATCH0(r13) /* save r13 */
EXCEPTION_PROLOG_0 PACA_EXMC
BEGIN_FTR_SECTION
b machine_check_common_early
@@ -1238,7 +1226,6 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE)
9:
/* Deliver the machine check to host kernel in V mode. */
MACHINE_CHECK_HANDLER_WINDUP
- SET_SCRATCH0(r13) /* save r13 */
EXCEPTION_PROLOG_0 PACA_EXMC
b machine_check_pSeries_0
@@ -1263,7 +1250,6 @@ EXC_COMMON_BEGIN(mce_return)
b .
EXC_REAL_BEGIN(data_access, 0x300, 0x80)
- SET_SCRATCH0(r13) /* save r13 */
EXCEPTION_PROLOG_0 PACA_EXGEN
b tramp_real_data_access
EXC_REAL_END(data_access, 0x300, 0x80)
@@ -1273,7 +1259,6 @@ TRAMP_REAL_BEGIN(tramp_real_data_access)
EXCEPTION_PROLOG_2_REAL data_access_common, EXC_STD, 1
EXC_VIRT_BEGIN(data_access, 0x4300, 0x80)
- SET_SCRATCH0(r13) /* save r13 */
EXCEPTION_PROLOG_0 PACA_EXGEN
EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 0, 0x300, 1, 1, 0
EXCEPTION_PROLOG_2_VIRT data_access_common, EXC_STD
@@ -1304,7 +1289,6 @@ ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_TYPE_RADIX)
EXC_REAL_BEGIN(data_access_slb, 0x380, 0x80)
- SET_SCRATCH0(r13) /* save r13 */
EXCEPTION_PROLOG_0 PACA_EXSLB
b tramp_real_data_access_slb
EXC_REAL_END(data_access_slb, 0x380, 0x80)
@@ -1314,7 +1298,6 @@ TRAMP_REAL_BEGIN(tramp_real_data_access_slb)
EXCEPTION_PROLOG_2_REAL data_access_slb_common, EXC_STD, 1
EXC_VIRT_BEGIN(data_access_slb, 0x4380, 0x80)
- SET_SCRATCH0(r13) /* save r13 */
EXCEPTION_PROLOG_0 PACA_EXSLB
EXCEPTION_PROLOG_1 EXC_STD, PACA_EXSLB, 0, 0x380, 1, 0, 0
EXCEPTION_PROLOG_2_VIRT data_access_slb_common, EXC_STD
@@ -1398,7 +1381,6 @@ ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_TYPE_RADIX)
EXC_REAL_BEGIN(hardware_interrupt, 0x500, 0x100)
- SET_SCRATCH0(r13) /* save r13 */
EXCEPTION_PROLOG_0 PACA_EXGEN
BEGIN_FTR_SECTION
EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, 0x500, 0, 0, IRQS_DISABLED
@@ -1410,7 +1392,6 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE | CPU_FTR_ARCH_206)
EXC_REAL_END(hardware_interrupt, 0x500, 0x100)
EXC_VIRT_BEGIN(hardware_interrupt, 0x4500, 0x100)
- SET_SCRATCH0(r13) /* save r13 */
EXCEPTION_PROLOG_0 PACA_EXGEN
BEGIN_FTR_SECTION
EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, 0x500, 0, 0, IRQS_DISABLED
@@ -1427,14 +1408,12 @@ EXC_COMMON_ASYNC(hardware_interrupt_common, 0x500, do_IRQ)
EXC_REAL_BEGIN(alignment, 0x600, 0x100)
- SET_SCRATCH0(r13) /* save r13 */
EXCEPTION_PROLOG_0 PACA_EXGEN
EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 1, 0x600, 1, 1, 0
EXCEPTION_PROLOG_2_REAL alignment_common, EXC_STD, 1
EXC_REAL_END(alignment, 0x600, 0x100)
EXC_VIRT_BEGIN(alignment, 0x4600, 0x100)
- SET_SCRATCH0(r13) /* save r13 */
EXCEPTION_PROLOG_0 PACA_EXGEN
EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 0, 0x600, 1, 1, 0
EXCEPTION_PROLOG_2_VIRT alignment_common, EXC_STD
@@ -1761,7 +1740,6 @@ TRAMP_REAL_BEGIN(hmi_exception_early)
* firmware.
*/
EXCEPTION_RESTORE_REGS EXC_HV
- SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0 PACA_EXGEN
b tramp_real_hmi_exception
@@ -1920,7 +1898,6 @@ EXC_REAL_NONE(0x1400, 0x100)
EXC_VIRT_NONE(0x5400, 0x100)
EXC_REAL_BEGIN(denorm_exception_hv, 0x1500, 0x100)
- SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0 PACA_EXGEN
EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 0, 0x1500, 0, 0, 0
--
2.20.1
next prev parent reply other threads:[~2019-06-20 6:40 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-20 5:14 [PATCH v2 00/52] powerpc/64s interrupt handler cleanups, gasification Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 01/52] powerpc/64s/exception: fix line wrap and semicolon inconsistencies in macros Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 02/52] powerpc/64s/exception: remove H concatenation for EXC_HV variants Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 03/52] powerpc/64s/exception: consolidate EXCEPTION_PROLOG_2 with _NORI variant Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 04/52] powerpc/64s/exception: move and tidy EXCEPTION_PROLOG_2 variants Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 05/52] powerpc/64s/exception: fix sreset KVM test code Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 06/52] powerpc/64s/exception: remove the "extra" macro parameter Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 07/52] powerpc/64s/exception: consolidate maskable and non-maskable prologs Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 08/52] powerpc/64s/exception: merge KVM handler and skip variants Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 09/52] powerpc/64s/exception: KVM handler can set the HSRR trap bit Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 10/52] powerpc/64s/exception: Make EXCEPTION_PROLOG_0 a gas macro for consistency with others Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 11/52] powerpc/64s/exception: Move EXCEPTION_COMMON handler and return branches into callers Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 12/52] powerpc/64s/exception: Move EXCEPTION_COMMON additions " Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 13/52] powerpc/64s/exception: unwind exception-64s.h macros Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 14/52] powerpc/64s/exception: improve 0x500 handler code Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 15/52] powerpc/64s/exception: move EXCEPTION_PROLOG_2* to a more logical place Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 16/52] powerpc/64s/exception: remove STD_EXCEPTION_COMMON variants Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 17/52] powerpc/64s/exception: move KVM related code together Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 18/52] powerpc/64s/exception: move exception-64s.h code to exception-64s.S where it is used Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 19/52] powerpc/64s/exception: move head-64.h " Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 20/52] powerpc/64s/exception: remove __BRANCH_TO_KVM Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 21/52] powerpc/64s/exception: remove unused BRANCH_TO_COMMON Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 22/52] powerpc/64s/exception: use a gas macro for system call handler code Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 23/52] powerpc/64s/exception: fix indenting irregularities Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 24/52] powerpc/64s/exception: generate regs clear instructions using .rept Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 25/52] powerpc/64s/exception: remove bad stack branch Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 26/52] powerpc/64s/exception: remove pointless EXCEPTION_PROLOG macro indirection Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 27/52] powerpc/64s/exception: move paca save area offsets into exception-64s.S Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 28/52] powerpc/64s/exception: clean up system call entry Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 29/52] powerpc/64s/exception: avoid SPR RAW scoreboard stall in real mode entry Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 30/52] powerpc/64s/exception: optimise system_reset for idle, clean up non-idle case Nicholas Piggin
2019-06-20 5:41 ` Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 31/52] powerpc/64s/exception: mtmsrd L=1 cleanup Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 32/52] powerpc/64s/exception: windup use r9 consistently to restore SPRs Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 33/52] powerpc/64s/exception: move machine check windup in_mce handling Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 34/52] powerpc/64s/exception: simplify hmi windup code Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 35/52] powerpc/64s/exception: shuffle windup code around Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 36/52] powerpc/64s/exception: use common macro for windup Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 37/52] powerpc/64s/exception: add dar and dsisr options to exception macro Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 38/52] powerpc/64s/exception: machine check use standard macros to save dar/dsisr Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 39/52] powerpc/64s/exception: denorm handler use standard scratch save macro Nicholas Piggin
2019-06-20 5:14 ` Nicholas Piggin [this message]
2019-06-20 5:14 ` [PATCH v2 41/52] powerpc/tm: update comment about interrupt re-entrancy Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 42/52] powerpc/64s/exception: machine check fwnmi does not trigger when in HV mode Nicholas Piggin
2019-06-20 9:26 ` Mahesh Jagannath Salgaonkar
2019-06-20 9:50 ` Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 43/52] powerpc/64s/exception: machine check early only runs " Nicholas Piggin
2019-06-20 9:53 ` Mahesh J Salgaonkar
2019-06-20 10:16 ` Nicholas Piggin
2019-06-20 10:57 ` Mahesh Jagannath Salgaonkar
2019-06-20 5:14 ` [PATCH v2 44/52] powerpc/64s/exception: separate pseries and powernv mce delivery paths Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 45/52] powerpc/64s/exception: machine check windup restore cfar for host delivery Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 46/52] powerpc/64s/exception: fix machine check early should not set AMR Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 47/52] powerpc/64s/exception: machine check restructure handler to be more regular Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 48/52] powerpc/64s/exception: simplify machine check early path Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 49/52] powerpc/64s/exceptions: machine check move unrecoverable handling out of line Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 50/52] powerpc/64s/exception: untangle early machine check handler Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 51/52] powerpc/64s/exception: machine check improve branch labels Nicholas Piggin
2019-06-20 5:14 ` [PATCH v2 52/52] powerpc/64s/exception: add missing branch to self after RFI Nicholas Piggin
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