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-rw-r--r--arch/powerpc/platforms/iseries/exception.S59
-rw-r--r--arch/powerpc/platforms/iseries/exception.h6
-rw-r--r--arch/powerpc/platforms/iseries/mf.c2
3 files changed, 39 insertions, 28 deletions
diff --git a/arch/powerpc/platforms/iseries/exception.S b/arch/powerpc/platforms/iseries/exception.S
index 2f581521eb9..5369653dcf6 100644
--- a/arch/powerpc/platforms/iseries/exception.S
+++ b/arch/powerpc/platforms/iseries/exception.S
@@ -47,7 +47,7 @@ system_reset_iSeries:
LOAD_REG_ADDR(r13, paca)
mulli r0,r23,PACA_SIZE
add r13,r13,r0
- mtspr SPRN_SPRG3,r13 /* Save it away for the future */
+ mtspr SPRN_SPRG_PACA,r13 /* Save it away for the future */
mfmsr r24
ori r24,r24,MSR_RI
mtmsrd r24 /* RI on */
@@ -116,7 +116,7 @@ iSeries_secondary_smp_loop:
#endif /* CONFIG_SMP */
li r0,-1 /* r0=-1 indicates a Hypervisor call */
sc /* Invoke the hypervisor via a system call */
- mfspr r13,SPRN_SPRG3 /* Put r13 back ???? */
+ mfspr r13,SPRN_SPRG_PACA /* Put r13 back ???? */
b 2b /* If SMP not configured, secondaries
* loop forever */
@@ -126,34 +126,45 @@ iSeries_secondary_smp_loop:
.globl data_access_iSeries
data_access_iSeries:
- mtspr SPRN_SPRG1,r13
+ mtspr SPRN_SPRG_SCRATCH0,r13
BEGIN_FTR_SECTION
- mtspr SPRN_SPRG2,r12
- mfspr r13,SPRN_DAR
- mfspr r12,SPRN_DSISR
- srdi r13,r13,60
- rlwimi r13,r12,16,0x20
- mfcr r12
- cmpwi r13,0x2c
+ mfspr r13,SPRN_SPRG_PACA
+ std r9,PACA_EXSLB+EX_R9(r13)
+ std r10,PACA_EXSLB+EX_R10(r13)
+ mfspr r10,SPRN_DAR
+ mfspr r9,SPRN_DSISR
+ srdi r10,r10,60
+ rlwimi r10,r9,16,0x20
+ mfcr r9
+ cmpwi r10,0x2c
beq .do_stab_bolted_iSeries
- mtcrf 0x80,r12
- mfspr r12,SPRN_SPRG2
-END_FTR_SECTION_IFCLR(CPU_FTR_SLB)
+ ld r10,PACA_EXSLB+EX_R10(r13)
+ std r11,PACA_EXGEN+EX_R11(r13)
+ ld r11,PACA_EXSLB+EX_R9(r13)
+ std r12,PACA_EXGEN+EX_R12(r13)
+ mfspr r12,SPRN_SPRG_SCRATCH0
+ std r10,PACA_EXGEN+EX_R10(r13)
+ std r11,PACA_EXGEN+EX_R9(r13)
+ std r12,PACA_EXGEN+EX_R13(r13)
+ EXCEPTION_PROLOG_ISERIES_1
+FTR_SECTION_ELSE
EXCEPTION_PROLOG_1(PACA_EXGEN)
EXCEPTION_PROLOG_ISERIES_1
+ALT_FTR_SECTION_END_IFCLR(CPU_FTR_SLB)
b data_access_common
.do_stab_bolted_iSeries:
- mtcrf 0x80,r12
- mfspr r12,SPRN_SPRG2
- EXCEPTION_PROLOG_1(PACA_EXSLB)
+ std r11,PACA_EXSLB+EX_R11(r13)
+ std r12,PACA_EXSLB+EX_R12(r13)
+ mfspr r10,SPRN_SPRG_SCRATCH0
+ std r10,PACA_EXSLB+EX_R13(r13)
EXCEPTION_PROLOG_ISERIES_1
b .do_stab_bolted
.globl data_access_slb_iSeries
data_access_slb_iSeries:
- mtspr SPRN_SPRG1,r13 /* save r13 */
- mfspr r13,SPRN_SPRG3 /* get paca address into r13 */
+ mtspr SPRN_SPRG_SCRATCH0,r13 /* save r13 */
+ mfspr r13,SPRN_SPRG_PACA /* get paca address into r13 */
std r3,PACA_EXSLB+EX_R3(r13)
mfspr r3,SPRN_DAR
std r9,PACA_EXSLB+EX_R9(r13)
@@ -165,7 +176,7 @@ data_access_slb_iSeries:
std r10,PACA_EXSLB+EX_R10(r13)
std r11,PACA_EXSLB+EX_R11(r13)
std r12,PACA_EXSLB+EX_R12(r13)
- mfspr r10,SPRN_SPRG1
+ mfspr r10,SPRN_SPRG_SCRATCH0
std r10,PACA_EXSLB+EX_R13(r13)
ld r12,PACALPPACAPTR(r13)
ld r12,LPPACASRR1(r12)
@@ -175,8 +186,8 @@ data_access_slb_iSeries:
.globl instruction_access_slb_iSeries
instruction_access_slb_iSeries:
- mtspr SPRN_SPRG1,r13 /* save r13 */
- mfspr r13,SPRN_SPRG3 /* get paca address into r13 */
+ mtspr SPRN_SPRG_SCRATCH0,r13 /* save r13 */
+ mfspr r13,SPRN_SPRG_PACA /* get paca address into r13 */
std r3,PACA_EXSLB+EX_R3(r13)
ld r3,PACALPPACAPTR(r13)
ld r3,LPPACASRR0(r3) /* get SRR0 value */
@@ -189,7 +200,7 @@ instruction_access_slb_iSeries:
std r10,PACA_EXSLB+EX_R10(r13)
std r11,PACA_EXSLB+EX_R11(r13)
std r12,PACA_EXSLB+EX_R12(r13)
- mfspr r10,SPRN_SPRG1
+ mfspr r10,SPRN_SPRG_SCRATCH0
std r10,PACA_EXSLB+EX_R13(r13)
ld r12,PACALPPACAPTR(r13)
ld r12,LPPACASRR1(r12)
@@ -200,7 +211,7 @@ slb_miss_user_iseries:
std r10,PACA_EXGEN+EX_R10(r13)
std r11,PACA_EXGEN+EX_R11(r13)
std r12,PACA_EXGEN+EX_R12(r13)
- mfspr r10,SPRG1
+ mfspr r10,SPRG_SCRATCH0
ld r11,PACA_EXSLB+EX_R9(r13)
ld r12,PACA_EXSLB+EX_R3(r13)
std r10,PACA_EXGEN+EX_R13(r13)
@@ -221,7 +232,7 @@ slb_miss_user_iseries:
.globl system_call_iSeries
system_call_iSeries:
mr r9,r13
- mfspr r13,SPRN_SPRG3
+ mfspr r13,SPRN_SPRG_PACA
EXCEPTION_PROLOG_ISERIES_1
b system_call_common
diff --git a/arch/powerpc/platforms/iseries/exception.h b/arch/powerpc/platforms/iseries/exception.h
index ced45a8fa1a..bae3fba5ad8 100644
--- a/arch/powerpc/platforms/iseries/exception.h
+++ b/arch/powerpc/platforms/iseries/exception.h
@@ -24,7 +24,7 @@
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
-#include <asm/exception.h>
+#include <asm/exception-64s.h>
#define EXCEPTION_PROLOG_ISERIES_1 \
mfmsr r10; \
@@ -38,7 +38,7 @@
.globl label##_iSeries; \
label##_iSeries: \
HMT_MEDIUM; \
- mtspr SPRN_SPRG1,r13; /* save r13 */ \
+ mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \
EXCEPTION_PROLOG_1(area); \
EXCEPTION_PROLOG_ISERIES_1; \
b label##_common
@@ -47,7 +47,7 @@ label##_iSeries: \
.globl label##_iSeries; \
label##_iSeries: \
HMT_MEDIUM; \
- mtspr SPRN_SPRG1,r13; /* save r13 */ \
+ mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \
EXCEPTION_PROLOG_1(PACA_EXGEN); \
lbz r10,PACASOFTIRQEN(r13); \
cmpwi 0,r10,0; \
diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c
index fef4d515051..0d9343df35b 100644
--- a/arch/powerpc/platforms/iseries/mf.c
+++ b/arch/powerpc/platforms/iseries/mf.c
@@ -872,7 +872,7 @@ static int proc_mf_dump_cmdline(char *page, char **start, off_t off,
count = 256 - off;
dma_addr = iseries_hv_map(page, off + count, DMA_FROM_DEVICE);
- if (dma_mapping_error(NULL, dma_addr))
+ if (dma_addr == DMA_ERROR_CODE)
return -ENOMEM;
memset(page, 0, off + count);
memset(&vsp_cmd, 0, sizeof(vsp_cmd));
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-03-08 05:02:55 +0000