[POWERPC] Move the iSeries exception vectors
out of head_64.S and into platforms/iseries/exception.S Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Stephen Rothwell
Paul Mackerras
parent
f9ff0f3048
commit
dc8f571a26
|
|
@ -358,142 +358,6 @@ machine_check_fwnmi:
|
|||
mtspr SPRN_SPRG1,r13 /* save r13 */
|
||||
EXCEPTION_PROLOG_PSERIES_FORCE_64BIT(PACA_EXMC, machine_check_common)
|
||||
|
||||
#ifdef CONFIG_PPC_ISERIES
|
||||
/*** ISeries-LPAR interrupt handlers ***/
|
||||
|
||||
STD_EXCEPTION_ISERIES(0x200, machine_check, PACA_EXMC)
|
||||
|
||||
.globl data_access_iSeries
|
||||
data_access_iSeries:
|
||||
mtspr SPRN_SPRG1,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
|
||||
beq .do_stab_bolted_iSeries
|
||||
mtcrf 0x80,r12
|
||||
mfspr r12,SPRN_SPRG2
|
||||
END_FTR_SECTION_IFCLR(CPU_FTR_SLB)
|
||||
EXCEPTION_PROLOG_ISERIES_1(PACA_EXGEN)
|
||||
EXCEPTION_PROLOG_ISERIES_2
|
||||
b data_access_common
|
||||
|
||||
.do_stab_bolted_iSeries:
|
||||
mtcrf 0x80,r12
|
||||
mfspr r12,SPRN_SPRG2
|
||||
EXCEPTION_PROLOG_ISERIES_1(PACA_EXSLB)
|
||||
EXCEPTION_PROLOG_ISERIES_2
|
||||
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 */
|
||||
std r3,PACA_EXSLB+EX_R3(r13)
|
||||
mfspr r3,SPRN_DAR
|
||||
std r9,PACA_EXSLB+EX_R9(r13)
|
||||
mfcr r9
|
||||
#ifdef __DISABLED__
|
||||
cmpdi r3,0
|
||||
bge slb_miss_user_iseries
|
||||
#endif
|
||||
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
|
||||
std r10,PACA_EXSLB+EX_R13(r13)
|
||||
ld r12,PACALPPACAPTR(r13)
|
||||
ld r12,LPPACASRR1(r12)
|
||||
b .slb_miss_realmode
|
||||
|
||||
STD_EXCEPTION_ISERIES(0x400, instruction_access, PACA_EXGEN)
|
||||
|
||||
.globl instruction_access_slb_iSeries
|
||||
instruction_access_slb_iSeries:
|
||||
mtspr SPRN_SPRG1,r13 /* save r13 */
|
||||
mfspr r13,SPRN_SPRG3 /* get paca address into r13 */
|
||||
std r3,PACA_EXSLB+EX_R3(r13)
|
||||
ld r3,PACALPPACAPTR(r13)
|
||||
ld r3,LPPACASRR0(r3) /* get SRR0 value */
|
||||
std r9,PACA_EXSLB+EX_R9(r13)
|
||||
mfcr r9
|
||||
#ifdef __DISABLED__
|
||||
cmpdi r3,0
|
||||
bge .slb_miss_user_iseries
|
||||
#endif
|
||||
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
|
||||
std r10,PACA_EXSLB+EX_R13(r13)
|
||||
ld r12,PACALPPACAPTR(r13)
|
||||
ld r12,LPPACASRR1(r12)
|
||||
b .slb_miss_realmode
|
||||
|
||||
#ifdef __DISABLED__
|
||||
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
|
||||
ld r11,PACA_EXSLB+EX_R9(r13)
|
||||
ld r12,PACA_EXSLB+EX_R3(r13)
|
||||
std r10,PACA_EXGEN+EX_R13(r13)
|
||||
std r11,PACA_EXGEN+EX_R9(r13)
|
||||
std r12,PACA_EXGEN+EX_R3(r13)
|
||||
EXCEPTION_PROLOG_ISERIES_2
|
||||
b slb_miss_user_common
|
||||
#endif
|
||||
|
||||
MASKABLE_EXCEPTION_ISERIES(0x500, hardware_interrupt)
|
||||
STD_EXCEPTION_ISERIES(0x600, alignment, PACA_EXGEN)
|
||||
STD_EXCEPTION_ISERIES(0x700, program_check, PACA_EXGEN)
|
||||
STD_EXCEPTION_ISERIES(0x800, fp_unavailable, PACA_EXGEN)
|
||||
MASKABLE_EXCEPTION_ISERIES(0x900, decrementer)
|
||||
STD_EXCEPTION_ISERIES(0xa00, trap_0a, PACA_EXGEN)
|
||||
STD_EXCEPTION_ISERIES(0xb00, trap_0b, PACA_EXGEN)
|
||||
|
||||
.globl system_call_iSeries
|
||||
system_call_iSeries:
|
||||
mr r9,r13
|
||||
mfspr r13,SPRN_SPRG3
|
||||
EXCEPTION_PROLOG_ISERIES_2
|
||||
b system_call_common
|
||||
|
||||
STD_EXCEPTION_ISERIES( 0xd00, single_step, PACA_EXGEN)
|
||||
STD_EXCEPTION_ISERIES( 0xe00, trap_0e, PACA_EXGEN)
|
||||
STD_EXCEPTION_ISERIES( 0xf00, performance_monitor, PACA_EXGEN)
|
||||
|
||||
decrementer_iSeries_masked:
|
||||
/* We may not have a valid TOC pointer in here. */
|
||||
li r11,1
|
||||
ld r12,PACALPPACAPTR(r13)
|
||||
stb r11,LPPACADECRINT(r12)
|
||||
LOAD_REG_IMMEDIATE(r12, tb_ticks_per_jiffy)
|
||||
lwz r12,0(r12)
|
||||
mtspr SPRN_DEC,r12
|
||||
/* fall through */
|
||||
|
||||
hardware_interrupt_iSeries_masked:
|
||||
mtcrf 0x80,r9 /* Restore regs */
|
||||
ld r12,PACALPPACAPTR(r13)
|
||||
ld r11,LPPACASRR0(r12)
|
||||
ld r12,LPPACASRR1(r12)
|
||||
mtspr SPRN_SRR0,r11
|
||||
mtspr SPRN_SRR1,r12
|
||||
ld r9,PACA_EXGEN+EX_R9(r13)
|
||||
ld r10,PACA_EXGEN+EX_R10(r13)
|
||||
ld r11,PACA_EXGEN+EX_R11(r13)
|
||||
ld r12,PACA_EXGEN+EX_R12(r13)
|
||||
ld r13,PACA_EXGEN+EX_R13(r13)
|
||||
rfid
|
||||
b . /* prevent speculative execution */
|
||||
#endif /* CONFIG_PPC_ISERIES */
|
||||
|
||||
/*** Common interrupt handlers ***/
|
||||
|
||||
STD_EXCEPTION_COMMON(0x100, system_reset, .system_reset_exception)
|
||||
|
|
|
|||
|
|
@ -30,6 +30,8 @@
|
|||
#include <asm/asm-offsets.h>
|
||||
#include <asm/thread_info.h>
|
||||
#include <asm/ptrace.h>
|
||||
#include <asm/exception.h>
|
||||
#include <asm/cputable.h>
|
||||
|
||||
.text
|
||||
|
||||
|
|
@ -83,6 +85,140 @@ iSeries_secondary_smp_loop:
|
|||
b 1b /* If SMP not configured, secondaries
|
||||
* loop forever */
|
||||
|
||||
/*** ISeries-LPAR interrupt handlers ***/
|
||||
|
||||
STD_EXCEPTION_ISERIES(0x200, machine_check, PACA_EXMC)
|
||||
|
||||
.globl data_access_iSeries
|
||||
data_access_iSeries:
|
||||
mtspr SPRN_SPRG1,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
|
||||
beq .do_stab_bolted_iSeries
|
||||
mtcrf 0x80,r12
|
||||
mfspr r12,SPRN_SPRG2
|
||||
END_FTR_SECTION_IFCLR(CPU_FTR_SLB)
|
||||
EXCEPTION_PROLOG_ISERIES_1(PACA_EXGEN)
|
||||
EXCEPTION_PROLOG_ISERIES_2
|
||||
b data_access_common
|
||||
|
||||
.do_stab_bolted_iSeries:
|
||||
mtcrf 0x80,r12
|
||||
mfspr r12,SPRN_SPRG2
|
||||
EXCEPTION_PROLOG_ISERIES_1(PACA_EXSLB)
|
||||
EXCEPTION_PROLOG_ISERIES_2
|
||||
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 */
|
||||
std r3,PACA_EXSLB+EX_R3(r13)
|
||||
mfspr r3,SPRN_DAR
|
||||
std r9,PACA_EXSLB+EX_R9(r13)
|
||||
mfcr r9
|
||||
#ifdef __DISABLED__
|
||||
cmpdi r3,0
|
||||
bge slb_miss_user_iseries
|
||||
#endif
|
||||
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
|
||||
std r10,PACA_EXSLB+EX_R13(r13)
|
||||
ld r12,PACALPPACAPTR(r13)
|
||||
ld r12,LPPACASRR1(r12)
|
||||
b .slb_miss_realmode
|
||||
|
||||
STD_EXCEPTION_ISERIES(0x400, instruction_access, PACA_EXGEN)
|
||||
|
||||
.globl instruction_access_slb_iSeries
|
||||
instruction_access_slb_iSeries:
|
||||
mtspr SPRN_SPRG1,r13 /* save r13 */
|
||||
mfspr r13,SPRN_SPRG3 /* get paca address into r13 */
|
||||
std r3,PACA_EXSLB+EX_R3(r13)
|
||||
ld r3,PACALPPACAPTR(r13)
|
||||
ld r3,LPPACASRR0(r3) /* get SRR0 value */
|
||||
std r9,PACA_EXSLB+EX_R9(r13)
|
||||
mfcr r9
|
||||
#ifdef __DISABLED__
|
||||
cmpdi r3,0
|
||||
bge slb_miss_user_iseries
|
||||
#endif
|
||||
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
|
||||
std r10,PACA_EXSLB+EX_R13(r13)
|
||||
ld r12,PACALPPACAPTR(r13)
|
||||
ld r12,LPPACASRR1(r12)
|
||||
b .slb_miss_realmode
|
||||
|
||||
#ifdef __DISABLED__
|
||||
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
|
||||
ld r11,PACA_EXSLB+EX_R9(r13)
|
||||
ld r12,PACA_EXSLB+EX_R3(r13)
|
||||
std r10,PACA_EXGEN+EX_R13(r13)
|
||||
std r11,PACA_EXGEN+EX_R9(r13)
|
||||
std r12,PACA_EXGEN+EX_R3(r13)
|
||||
EXCEPTION_PROLOG_ISERIES_2
|
||||
b slb_miss_user_common
|
||||
#endif
|
||||
|
||||
MASKABLE_EXCEPTION_ISERIES(0x500, hardware_interrupt)
|
||||
STD_EXCEPTION_ISERIES(0x600, alignment, PACA_EXGEN)
|
||||
STD_EXCEPTION_ISERIES(0x700, program_check, PACA_EXGEN)
|
||||
STD_EXCEPTION_ISERIES(0x800, fp_unavailable, PACA_EXGEN)
|
||||
MASKABLE_EXCEPTION_ISERIES(0x900, decrementer)
|
||||
STD_EXCEPTION_ISERIES(0xa00, trap_0a, PACA_EXGEN)
|
||||
STD_EXCEPTION_ISERIES(0xb00, trap_0b, PACA_EXGEN)
|
||||
|
||||
.globl system_call_iSeries
|
||||
system_call_iSeries:
|
||||
mr r9,r13
|
||||
mfspr r13,SPRN_SPRG3
|
||||
EXCEPTION_PROLOG_ISERIES_2
|
||||
b system_call_common
|
||||
|
||||
STD_EXCEPTION_ISERIES( 0xd00, single_step, PACA_EXGEN)
|
||||
STD_EXCEPTION_ISERIES( 0xe00, trap_0e, PACA_EXGEN)
|
||||
STD_EXCEPTION_ISERIES( 0xf00, performance_monitor, PACA_EXGEN)
|
||||
|
||||
decrementer_iSeries_masked:
|
||||
/* We may not have a valid TOC pointer in here. */
|
||||
li r11,1
|
||||
ld r12,PACALPPACAPTR(r13)
|
||||
stb r11,LPPACADECRINT(r12)
|
||||
LOAD_REG_IMMEDIATE(r12, tb_ticks_per_jiffy)
|
||||
lwz r12,0(r12)
|
||||
mtspr SPRN_DEC,r12
|
||||
/* fall through */
|
||||
|
||||
hardware_interrupt_iSeries_masked:
|
||||
mtcrf 0x80,r9 /* Restore regs */
|
||||
ld r12,PACALPPACAPTR(r13)
|
||||
ld r11,LPPACASRR0(r12)
|
||||
ld r12,LPPACASRR1(r12)
|
||||
mtspr SPRN_SRR0,r11
|
||||
mtspr SPRN_SRR1,r12
|
||||
ld r9,PACA_EXGEN+EX_R9(r13)
|
||||
ld r10,PACA_EXGEN+EX_R10(r13)
|
||||
ld r11,PACA_EXGEN+EX_R11(r13)
|
||||
ld r12,PACA_EXGEN+EX_R12(r13)
|
||||
ld r13,PACA_EXGEN+EX_R13(r13)
|
||||
rfid
|
||||
b . /* prevent speculative execution */
|
||||
|
||||
_INIT_STATIC(__start_initialization_iSeries)
|
||||
/* Clear out the BSS */
|
||||
LOAD_REG_IMMEDIATE(r11,__bss_stop)
|
||||
|
|
|
|||
Loading…
Reference in a new issue