aboutsummaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/include/asm/reg_booke.h4
-rw-r--r--arch/powerpc/kernel/cpu_setup_fsl_booke.S3
-rw-r--r--arch/powerpc/kernel/exceptions-64e.S47
3 files changed, 54 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h
index 817bd1ac1752..0f0ad9fa01c1 100644
--- a/arch/powerpc/include/asm/reg_booke.h
+++ b/arch/powerpc/include/asm/reg_booke.h
@@ -83,6 +83,10 @@
83#define SPRN_IVOR13 0x19D /* Interrupt Vector Offset Register 13 */ 83#define SPRN_IVOR13 0x19D /* Interrupt Vector Offset Register 13 */
84#define SPRN_IVOR14 0x19E /* Interrupt Vector Offset Register 14 */ 84#define SPRN_IVOR14 0x19E /* Interrupt Vector Offset Register 14 */
85#define SPRN_IVOR15 0x19F /* Interrupt Vector Offset Register 15 */ 85#define SPRN_IVOR15 0x19F /* Interrupt Vector Offset Register 15 */
86#define SPRN_IVOR38 0x1B0 /* Interrupt Vector Offset Register 38 */
87#define SPRN_IVOR39 0x1B1 /* Interrupt Vector Offset Register 39 */
88#define SPRN_IVOR40 0x1B2 /* Interrupt Vector Offset Register 40 */
89#define SPRN_IVOR41 0x1B3 /* Interrupt Vector Offset Register 41 */
86#define SPRN_SPEFSCR 0x200 /* SPE & Embedded FP Status & Control */ 90#define SPRN_SPEFSCR 0x200 /* SPE & Embedded FP Status & Control */
87#define SPRN_BBEAR 0x201 /* Branch Buffer Entry Address Register */ 91#define SPRN_BBEAR 0x201 /* Branch Buffer Entry Address Register */
88#define SPRN_BBTAR 0x202 /* Branch Buffer Target Address Register */ 92#define SPRN_BBTAR 0x202 /* Branch Buffer Target Address Register */
diff --git a/arch/powerpc/kernel/cpu_setup_fsl_booke.S b/arch/powerpc/kernel/cpu_setup_fsl_booke.S
index 913611105c1f..8053db02b85e 100644
--- a/arch/powerpc/kernel/cpu_setup_fsl_booke.S
+++ b/arch/powerpc/kernel/cpu_setup_fsl_booke.S
@@ -88,6 +88,9 @@ _GLOBAL(__setup_cpu_e5500)
88 bl __e500_dcache_setup 88 bl __e500_dcache_setup
89#ifdef CONFIG_PPC_BOOK3E_64 89#ifdef CONFIG_PPC_BOOK3E_64
90 bl .__setup_base_ivors 90 bl .__setup_base_ivors
91 bl .setup_perfmon_ivor
92 bl .setup_doorbell_ivors
93 bl .setup_ehv_ivors
91#else 94#else
92 bl __setup_e500mc_ivors 95 bl __setup_e500mc_ivors
93#endif 96#endif
diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S
index cf27a8fa0d29..d24d4400cc79 100644
--- a/arch/powerpc/kernel/exceptions-64e.S
+++ b/arch/powerpc/kernel/exceptions-64e.S
@@ -269,8 +269,13 @@ interrupt_base_book3e: /* fake trap */
269 EXCEPTION_STUB(0x1a0, watchdog) /* 0x09f0 */ 269 EXCEPTION_STUB(0x1a0, watchdog) /* 0x09f0 */
270 EXCEPTION_STUB(0x1c0, data_tlb_miss) 270 EXCEPTION_STUB(0x1c0, data_tlb_miss)
271 EXCEPTION_STUB(0x1e0, instruction_tlb_miss) 271 EXCEPTION_STUB(0x1e0, instruction_tlb_miss)
272 EXCEPTION_STUB(0x260, perfmon)
272 EXCEPTION_STUB(0x280, doorbell) 273 EXCEPTION_STUB(0x280, doorbell)
273 EXCEPTION_STUB(0x2a0, doorbell_crit) 274 EXCEPTION_STUB(0x2a0, doorbell_crit)
275 EXCEPTION_STUB(0x2c0, guest_doorbell)
276 EXCEPTION_STUB(0x2e0, guest_doorbell_crit)
277 EXCEPTION_STUB(0x300, hypercall)
278 EXCEPTION_STUB(0x320, ehpriv)
274 279
275 .globl interrupt_end_book3e 280 .globl interrupt_end_book3e
276interrupt_end_book3e: 281interrupt_end_book3e:
@@ -514,6 +519,8 @@ kernel_dbg_exc:
514 bl .DebugException 519 bl .DebugException
515 b .ret_from_except 520 b .ret_from_except
516 521
522 MASKABLE_EXCEPTION(0x260, perfmon, .performance_monitor_exception, ACK_NONE)
523
517/* Doorbell interrupt */ 524/* Doorbell interrupt */
518 MASKABLE_EXCEPTION(0x2070, doorbell, .doorbell_exception, ACK_NONE) 525 MASKABLE_EXCEPTION(0x2070, doorbell, .doorbell_exception, ACK_NONE)
519 526
@@ -528,6 +535,11 @@ kernel_dbg_exc:
528// b ret_from_crit_except 535// b ret_from_crit_except
529 b . 536 b .
530 537
538 MASKABLE_EXCEPTION(0x2c0, guest_doorbell, .unknown_exception, ACK_NONE)
539 MASKABLE_EXCEPTION(0x2e0, guest_doorbell_crit, .unknown_exception, ACK_NONE)
540 MASKABLE_EXCEPTION(0x310, hypercall, .unknown_exception, ACK_NONE)
541 MASKABLE_EXCEPTION(0x320, ehpriv, .unknown_exception, ACK_NONE)
542
531 543
532/* 544/*
533 * An interrupt came in while soft-disabled; clear EE in SRR1, 545 * An interrupt came in while soft-disabled; clear EE in SRR1,
@@ -647,7 +659,12 @@ fast_exception_return:
647BAD_STACK_TRAMPOLINE(0x000) 659BAD_STACK_TRAMPOLINE(0x000)
648BAD_STACK_TRAMPOLINE(0x100) 660BAD_STACK_TRAMPOLINE(0x100)
649BAD_STACK_TRAMPOLINE(0x200) 661BAD_STACK_TRAMPOLINE(0x200)
662BAD_STACK_TRAMPOLINE(0x260)
663BAD_STACK_TRAMPOLINE(0x2c0)
664BAD_STACK_TRAMPOLINE(0x2e0)
650BAD_STACK_TRAMPOLINE(0x300) 665BAD_STACK_TRAMPOLINE(0x300)
666BAD_STACK_TRAMPOLINE(0x310)
667BAD_STACK_TRAMPOLINE(0x320)
651BAD_STACK_TRAMPOLINE(0x400) 668BAD_STACK_TRAMPOLINE(0x400)
652BAD_STACK_TRAMPOLINE(0x500) 669BAD_STACK_TRAMPOLINE(0x500)
653BAD_STACK_TRAMPOLINE(0x600) 670BAD_STACK_TRAMPOLINE(0x600)
@@ -1183,3 +1200,33 @@ _GLOBAL(__setup_base_ivors)
1183 sync 1200 sync
1184 1201
1185 blr 1202 blr
1203
1204_GLOBAL(setup_perfmon_ivor)
1205 SET_IVOR(35, 0x260) /* Performance Monitor */
1206 blr
1207
1208_GLOBAL(setup_doorbell_ivors)
1209 SET_IVOR(36, 0x280) /* Processor Doorbell */
1210 SET_IVOR(37, 0x2a0) /* Processor Doorbell Crit */
1211
1212 /* Check MMUCFG[LPIDSIZE] to determine if we have category E.HV */
1213 mfspr r10,SPRN_MMUCFG
1214 rlwinm. r10,r10,0,MMUCFG_LPIDSIZE
1215 beqlr
1216
1217 SET_IVOR(38, 0x2c0) /* Guest Processor Doorbell */
1218 SET_IVOR(39, 0x2e0) /* Guest Processor Doorbell Crit/MC */
1219 blr
1220
1221_GLOBAL(setup_ehv_ivors)
1222 /*
1223 * We may be running as a guest and lack E.HV even on a chip
1224 * that normally has it.
1225 */
1226 mfspr r10,SPRN_MMUCFG
1227 rlwinm. r10,r10,0,MMUCFG_LPIDSIZE
1228 beqlr
1229
1230 SET_IVOR(40, 0x300) /* Embedded Hypervisor System Call */
1231 SET_IVOR(41, 0x320) /* Embedded Hypervisor Privilege */
1232 blr