From: Alexander Graf <agraf@suse.de>
To: kvm-ppc@vger.kernel.org
Cc: Scott Wood <scottwood@freescale.com>,
linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org
Subject: [PATCH 12/30] powerpc/booke: Provide exception macros with interrupt name
Date: Fri, 17 Feb 2012 18:13:39 +0100 [thread overview]
Message-ID: <1329498837-11717-13-git-send-email-agraf@suse.de> (raw)
In-Reply-To: <1329498837-11717-1-git-send-email-agraf@suse.de>
From: Scott Wood <scottwood@freescale.com>
DO_KVM will need to identify the particular exception type.
There is an existing set of arbitrary numbers that Linux passes,
but it's an undocumented mess that sort of corresponds to server/classic
exception vectors but not really.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
---
arch/powerpc/kernel/head_44x.S | 23 +++++++++------
arch/powerpc/kernel/head_booke.h | 41 ++++++++++++++------------
arch/powerpc/kernel/head_fsl_booke.S | 52 +++++++++++++++++++++-------------
3 files changed, 68 insertions(+), 48 deletions(-)
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index 7dd2981..d1192c5 100644
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -248,10 +248,11 @@ _ENTRY(_start);
interrupt_base:
/* Critical Input Interrupt */
- CRITICAL_EXCEPTION(0x0100, CriticalInput, unknown_exception)
+ CRITICAL_EXCEPTION(0x0100, CRITICAL, CriticalInput, unknown_exception)
/* Machine Check Interrupt */
- CRITICAL_EXCEPTION(0x0200, MachineCheck, machine_check_exception)
+ CRITICAL_EXCEPTION(0x0200, MACHINE_CHECK, MachineCheck, \
+ machine_check_exception)
MCHECK_EXCEPTION(0x0210, MachineCheckA, machine_check_exception)
/* Data Storage Interrupt */
@@ -261,7 +262,8 @@ interrupt_base:
INSTRUCTION_STORAGE_EXCEPTION
/* External Input Interrupt */
- EXCEPTION(0x0500, ExternalInput, do_IRQ, EXC_XFER_LITE)
+ EXCEPTION(0x0500, BOOKE_INTERRUPT_EXTERNAL, ExternalInput, \
+ do_IRQ, EXC_XFER_LITE)
/* Alignment Interrupt */
ALIGNMENT_EXCEPTION
@@ -273,29 +275,32 @@ interrupt_base:
#ifdef CONFIG_PPC_FPU
FP_UNAVAILABLE_EXCEPTION
#else
- EXCEPTION(0x2010, FloatingPointUnavailable, unknown_exception, EXC_XFER_EE)
+ EXCEPTION(0x2010, BOOKE_INTERRUPT_FP_UNAVAIL, \
+ FloatingPointUnavailable, unknown_exception, EXC_XFER_EE)
#endif
/* System Call Interrupt */
START_EXCEPTION(SystemCall)
- NORMAL_EXCEPTION_PROLOG
+ NORMAL_EXCEPTION_PROLOG(BOOKE_INTERRUPT_SYSCALL)
EXC_XFER_EE_LITE(0x0c00, DoSyscall)
/* Auxiliary Processor Unavailable Interrupt */
- EXCEPTION(0x2020, AuxillaryProcessorUnavailable, unknown_exception, EXC_XFER_EE)
+ EXCEPTION(0x2020, BOOKE_INTERRUPT_AP_UNAVAIL, \
+ AuxillaryProcessorUnavailable, unknown_exception, EXC_XFER_EE)
/* Decrementer Interrupt */
DECREMENTER_EXCEPTION
/* Fixed Internal Timer Interrupt */
/* TODO: Add FIT support */
- EXCEPTION(0x1010, FixedIntervalTimer, unknown_exception, EXC_XFER_EE)
+ EXCEPTION(0x1010, BOOKE_INTERRUPT_FIT, FixedIntervalTimer, \
+ unknown_exception, EXC_XFER_EE)
/* Watchdog Timer Interrupt */
/* TODO: Add watchdog support */
#ifdef CONFIG_BOOKE_WDT
- CRITICAL_EXCEPTION(0x1020, WatchdogTimer, WatchdogException)
+ CRITICAL_EXCEPTION(0x1020, WATCHDOG, WatchdogTimer, WatchdogException)
#else
- CRITICAL_EXCEPTION(0x1020, WatchdogTimer, unknown_exception)
+ CRITICAL_EXCEPTION(0x1020, WATCHDOG, WatchdogTimer, unknown_exception)
#endif
/* Data TLB Error Interrupt */
diff --git a/arch/powerpc/kernel/head_booke.h b/arch/powerpc/kernel/head_booke.h
index fc921bf..06ab353 100644
--- a/arch/powerpc/kernel/head_booke.h
+++ b/arch/powerpc/kernel/head_booke.h
@@ -2,6 +2,8 @@
#define __HEAD_BOOKE_H__
#include <asm/ptrace.h> /* for STACK_FRAME_REGS_MARKER */
+#include <asm/kvm_asm.h>
+
/*
* Macros used for common Book-e exception handling
*/
@@ -28,7 +30,7 @@
*/
#define THREAD_NORMSAVE(offset) (THREAD_NORMSAVES + (offset * 4))
-#define NORMAL_EXCEPTION_PROLOG \
+#define NORMAL_EXCEPTION_PROLOG(intno) \
mtspr SPRN_SPRG_WSCRATCH0, r10; /* save one register */ \
mfspr r10, SPRN_SPRG_THREAD; \
stw r11, THREAD_NORMSAVE(0)(r10); \
@@ -113,7 +115,7 @@
* registers as the normal prolog above. Instead we use a portion of the
* critical/machine check exception stack at low physical addresses.
*/
-#define EXC_LEVEL_EXCEPTION_PROLOG(exc_level, exc_level_srr0, exc_level_srr1) \
+#define EXC_LEVEL_EXCEPTION_PROLOG(exc_level, intno, exc_level_srr0, exc_level_srr1) \
mtspr SPRN_SPRG_WSCRATCH_##exc_level,r8; \
BOOKE_LOAD_EXC_LEVEL_STACK(exc_level);/* r8 points to the exc_level stack*/ \
stw r9,GPR9(r8); /* save various registers */\
@@ -162,12 +164,13 @@
SAVE_4GPRS(3, r11); \
SAVE_2GPRS(7, r11)
-#define CRITICAL_EXCEPTION_PROLOG \
- EXC_LEVEL_EXCEPTION_PROLOG(CRIT, SPRN_CSRR0, SPRN_CSRR1)
+#define CRITICAL_EXCEPTION_PROLOG(intno) \
+ EXC_LEVEL_EXCEPTION_PROLOG(CRIT, intno, SPRN_CSRR0, SPRN_CSRR1)
#define DEBUG_EXCEPTION_PROLOG \
- EXC_LEVEL_EXCEPTION_PROLOG(DBG, SPRN_DSRR0, SPRN_DSRR1)
+ EXC_LEVEL_EXCEPTION_PROLOG(DBG, DEBUG, SPRN_DSRR0, SPRN_DSRR1)
#define MCHECK_EXCEPTION_PROLOG \
- EXC_LEVEL_EXCEPTION_PROLOG(MC, SPRN_MCSRR0, SPRN_MCSRR1)
+ EXC_LEVEL_EXCEPTION_PROLOG(MC, MACHINE_CHECK, \
+ SPRN_MCSRR0, SPRN_MCSRR1)
/*
* Exception vectors.
@@ -181,16 +184,16 @@ label:
.long func; \
.long ret_from_except_full
-#define EXCEPTION(n, label, hdlr, xfer) \
+#define EXCEPTION(n, intno, label, hdlr, xfer) \
START_EXCEPTION(label); \
- NORMAL_EXCEPTION_PROLOG; \
+ NORMAL_EXCEPTION_PROLOG(intno); \
addi r3,r1,STACK_FRAME_OVERHEAD; \
xfer(n, hdlr)
-#define CRITICAL_EXCEPTION(n, label, hdlr) \
- START_EXCEPTION(label); \
- CRITICAL_EXCEPTION_PROLOG; \
- addi r3,r1,STACK_FRAME_OVERHEAD; \
+#define CRITICAL_EXCEPTION(n, intno, label, hdlr) \
+ START_EXCEPTION(label); \
+ CRITICAL_EXCEPTION_PROLOG(intno); \
+ addi r3,r1,STACK_FRAME_OVERHEAD; \
EXC_XFER_TEMPLATE(hdlr, n+2, (MSR_KERNEL & ~(MSR_ME|MSR_DE|MSR_CE)), \
NOCOPY, crit_transfer_to_handler, \
ret_from_crit_exc)
@@ -302,7 +305,7 @@ label:
#define DEBUG_CRIT_EXCEPTION \
START_EXCEPTION(DebugCrit); \
- CRITICAL_EXCEPTION_PROLOG; \
+ CRITICAL_EXCEPTION_PROLOG(DEBUG); \
\
/* \
* If there is a single step or branch-taken exception in an \
@@ -355,7 +358,7 @@ label:
#define DATA_STORAGE_EXCEPTION \
START_EXCEPTION(DataStorage) \
- NORMAL_EXCEPTION_PROLOG; \
+ NORMAL_EXCEPTION_PROLOG(DATA_STORAGE); \
mfspr r5,SPRN_ESR; /* Grab the ESR and save it */ \
stw r5,_ESR(r11); \
mfspr r4,SPRN_DEAR; /* Grab the DEAR */ \
@@ -363,7 +366,7 @@ label:
#define INSTRUCTION_STORAGE_EXCEPTION \
START_EXCEPTION(InstructionStorage) \
- NORMAL_EXCEPTION_PROLOG; \
+ NORMAL_EXCEPTION_PROLOG(INST_STORAGE); \
mfspr r5,SPRN_ESR; /* Grab the ESR and save it */ \
stw r5,_ESR(r11); \
mr r4,r12; /* Pass SRR0 as arg2 */ \
@@ -372,7 +375,7 @@ label:
#define ALIGNMENT_EXCEPTION \
START_EXCEPTION(Alignment) \
- NORMAL_EXCEPTION_PROLOG; \
+ NORMAL_EXCEPTION_PROLOG(ALIGNMENT); \
mfspr r4,SPRN_DEAR; /* Grab the DEAR and save it */ \
stw r4,_DEAR(r11); \
addi r3,r1,STACK_FRAME_OVERHEAD; \
@@ -380,7 +383,7 @@ label:
#define PROGRAM_EXCEPTION \
START_EXCEPTION(Program) \
- NORMAL_EXCEPTION_PROLOG; \
+ NORMAL_EXCEPTION_PROLOG(PROGRAM); \
mfspr r4,SPRN_ESR; /* Grab the ESR and save it */ \
stw r4,_ESR(r11); \
addi r3,r1,STACK_FRAME_OVERHEAD; \
@@ -388,7 +391,7 @@ label:
#define DECREMENTER_EXCEPTION \
START_EXCEPTION(Decrementer) \
- NORMAL_EXCEPTION_PROLOG; \
+ NORMAL_EXCEPTION_PROLOG(DECREMENTER); \
lis r0,TSR_DIS@h; /* Setup the DEC interrupt mask */ \
mtspr SPRN_TSR,r0; /* Clear the DEC interrupt */ \
addi r3,r1,STACK_FRAME_OVERHEAD; \
@@ -396,7 +399,7 @@ label:
#define FP_UNAVAILABLE_EXCEPTION \
START_EXCEPTION(FloatingPointUnavailable) \
- NORMAL_EXCEPTION_PROLOG; \
+ NORMAL_EXCEPTION_PROLOG(FP_UNAVAIL); \
beq 1f; \
bl load_up_fpu; /* if from user, just load it up */ \
b fast_exception_return; \
diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S
index d5d78c4..418931f 100644
--- a/arch/powerpc/kernel/head_fsl_booke.S
+++ b/arch/powerpc/kernel/head_fsl_booke.S
@@ -301,19 +301,20 @@ _ENTRY(__early_start)
interrupt_base:
/* Critical Input Interrupt */
- CRITICAL_EXCEPTION(0x0100, CriticalInput, unknown_exception)
+ CRITICAL_EXCEPTION(0x0100, CRITICAL, CriticalInput, unknown_exception)
/* Machine Check Interrupt */
#ifdef CONFIG_E200
/* no RFMCI, MCSRRs on E200 */
- CRITICAL_EXCEPTION(0x0200, MachineCheck, machine_check_exception)
+ CRITICAL_EXCEPTION(0x0200, MACHINE_CHECK, MachineCheck, \
+ machine_check_exception)
#else
MCHECK_EXCEPTION(0x0200, MachineCheck, machine_check_exception)
#endif
/* Data Storage Interrupt */
START_EXCEPTION(DataStorage)
- NORMAL_EXCEPTION_PROLOG
+ NORMAL_EXCEPTION_PROLOG(DATA_STORAGE)
mfspr r5,SPRN_ESR /* Grab the ESR, save it, pass arg3 */
stw r5,_ESR(r11)
mfspr r4,SPRN_DEAR /* Grab the DEAR, save it, pass arg2 */
@@ -328,7 +329,7 @@ interrupt_base:
INSTRUCTION_STORAGE_EXCEPTION
/* External Input Interrupt */
- EXCEPTION(0x0500, ExternalInput, do_IRQ, EXC_XFER_LITE)
+ EXCEPTION(0x0500, EXTERNAL, ExternalInput, do_IRQ, EXC_XFER_LITE)
/* Alignment Interrupt */
ALIGNMENT_EXCEPTION
@@ -342,32 +343,36 @@ interrupt_base:
#else
#ifdef CONFIG_E200
/* E200 treats 'normal' floating point instructions as FP Unavail exception */
- EXCEPTION(0x0800, FloatingPointUnavailable, program_check_exception, EXC_XFER_EE)
+ EXCEPTION(0x0800, FP_UNAVAIL, FloatingPointUnavailable, \
+ program_check_exception, EXC_XFER_EE)
#else
- EXCEPTION(0x0800, FloatingPointUnavailable, unknown_exception, EXC_XFER_EE)
+ EXCEPTION(0x0800, FP_UNAVAIL, FloatingPointUnavailable, \
+ unknown_exception, EXC_XFER_EE)
#endif
#endif
/* System Call Interrupt */
START_EXCEPTION(SystemCall)
- NORMAL_EXCEPTION_PROLOG
+ NORMAL_EXCEPTION_PROLOG(SYSCALL)
EXC_XFER_EE_LITE(0x0c00, DoSyscall)
/* Auxiliary Processor Unavailable Interrupt */
- EXCEPTION(0x2900, AuxillaryProcessorUnavailable, unknown_exception, EXC_XFER_EE)
+ EXCEPTION(0x2900, AP_UNAVAIL, AuxillaryProcessorUnavailable, \
+ unknown_exception, EXC_XFER_EE)
/* Decrementer Interrupt */
DECREMENTER_EXCEPTION
/* Fixed Internal Timer Interrupt */
/* TODO: Add FIT support */
- EXCEPTION(0x3100, FixedIntervalTimer, unknown_exception, EXC_XFER_EE)
+ EXCEPTION(0x3100, FIT, FixedIntervalTimer, \
+ unknown_exception, EXC_XFER_EE)
/* Watchdog Timer Interrupt */
#ifdef CONFIG_BOOKE_WDT
- CRITICAL_EXCEPTION(0x3200, WatchdogTimer, WatchdogException)
+ CRITICAL_EXCEPTION(0x3200, WATCHDOG, WatchdogTimer, WatchdogException)
#else
- CRITICAL_EXCEPTION(0x3200, WatchdogTimer, unknown_exception)
+ CRITICAL_EXCEPTION(0x3200, WATCHDOG, WatchdogTimer, unknown_exception)
#endif
/* Data TLB Error Interrupt */
@@ -538,31 +543,38 @@ interrupt_base:
#ifdef CONFIG_SPE
/* SPE Unavailable */
START_EXCEPTION(SPEUnavailable)
- NORMAL_EXCEPTION_PROLOG
+ NORMAL_EXCEPTION_PROLOG(SPE_UNAVAIL)
bne load_up_spe
addi r3,r1,STACK_FRAME_OVERHEAD
EXC_XFER_EE_LITE(0x2010, KernelSPE)
#else
- EXCEPTION(0x2020, SPEUnavailable, unknown_exception, EXC_XFER_EE)
+ EXCEPTION(0x2020, SPE_UNAVAIL, SPEUnavailable, \
+ unknown_exception, EXC_XFER_EE)
#endif /* CONFIG_SPE */
/* SPE Floating Point Data */
#ifdef CONFIG_SPE
- EXCEPTION(0x2030, SPEFloatingPointData, SPEFloatingPointException, EXC_XFER_EE);
+ EXCEPTION(0x2030, SPE_FP_DATA, SPEFloatingPointData, \
+ SPEFloatingPointException, EXC_XFER_EE);
/* SPE Floating Point Round */
- EXCEPTION(0x2050, SPEFloatingPointRound, SPEFloatingPointRoundException, EXC_XFER_EE)
+ EXCEPTION(0x2050, SPE_FP_ROUND, SPEFloatingPointRound, \
+ SPEFloatingPointRoundException, EXC_XFER_EE)
#else
- EXCEPTION(0x2040, SPEFloatingPointData, unknown_exception, EXC_XFER_EE)
- EXCEPTION(0x2050, SPEFloatingPointRound, unknown_exception, EXC_XFER_EE)
+ EXCEPTION(0x2040, SPE_FP_DATA, SPEFloatingPointData, \
+ unknown_exception, EXC_XFER_EE)
+ EXCEPTION(0x2050, SPE_FP_ROUND, SPEFloatingPointRound, \
+ unknown_exception, EXC_XFER_EE)
#endif /* CONFIG_SPE */
/* Performance Monitor */
- EXCEPTION(0x2060, PerformanceMonitor, performance_monitor_exception, EXC_XFER_STD)
+ EXCEPTION(0x2060, PERFORMANCE_MONITOR, PerformanceMonitor, \
+ performance_monitor_exception, EXC_XFER_STD)
- EXCEPTION(0x2070, Doorbell, doorbell_exception, EXC_XFER_STD)
+ EXCEPTION(0x2070, DOORBELL, Doorbell, doorbell_exception, EXC_XFER_STD)
- CRITICAL_EXCEPTION(0x2080, CriticalDoorbell, unknown_exception)
+ CRITICAL_EXCEPTION(0x2080, DOORBELL_CRITICAL, \
+ CriticalDoorbell, unknown_exception)
/* Debug Interrupt */
DEBUG_DEBUG_EXCEPTION
--
1.6.0.2
next prev parent reply other threads:[~2012-02-17 17:14 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-17 17:13 [PATCH 00/30] KVM: PPC: e500mc support Alexander Graf
2012-02-17 17:13 ` [PATCH 01/30] powerpc/booke: Set CPU_FTR_DEBUG_LVL_EXC on 32-bit Alexander Graf
2012-02-17 17:13 ` [PATCH 02/30] powerpc/e500: split CPU_FTRS_ALWAYS/CPU_FTRS_POSSIBLE Alexander Graf
2012-02-17 17:13 ` [PATCH 03/30] KVM: PPC: factor out lpid allocator from book3s_64_mmu_hv Alexander Graf
2012-02-17 17:13 ` [PATCH 04/30] KVM: PPC: booke: add booke-level vcpu load/put Alexander Graf
2012-02-17 17:13 ` [PATCH 05/30] KVM: PPC: booke: Move vm core init/destroy out of booke.c Alexander Graf
2012-02-17 17:13 ` [PATCH 06/30] KVM: PPC: e500: rename e500_tlb.h to e500.h Alexander Graf
2012-02-17 17:13 ` [PATCH 07/30] KVM: PPC: e500: merge <asm/kvm_e500.h> into arch/powerpc/kvm/e500.h Alexander Graf
2012-02-17 17:13 ` [PATCH 08/30] KVM: PPC: e500: clean up arch/powerpc/kvm/e500.h Alexander Graf
2012-02-17 17:13 ` [PATCH 09/30] KVM: PPC: e500: refactor core-specific TLB code Alexander Graf
2012-02-17 17:13 ` [PATCH 10/30] KVM: PPC: e500: Track TLB1 entries with a bitmap Alexander Graf
2012-02-17 17:13 ` [PATCH 11/30] KVM: PPC: e500: emulate tlbilx Alexander Graf
2012-02-17 17:13 ` Alexander Graf [this message]
2012-02-17 17:13 ` [PATCH 13/30] KVM: PPC: booke: category E.HV (GS-mode) support Alexander Graf
2012-02-17 21:12 ` Scott Wood
2012-02-20 11:40 ` Alexander Graf
2012-02-17 17:13 ` [PATCH 14/30] KVM: PPC: booke: standard PPC floating point support Alexander Graf
2012-02-17 17:13 ` [PATCH 15/30] KVM: PPC: e500mc support Alexander Graf
2012-02-17 17:13 ` [PATCH 16/30] KVM: PPC: e500mc: Add doorbell emulation support Alexander Graf
2012-02-17 21:55 ` Scott Wood
2012-02-17 21:57 ` Scott Wood
2012-02-20 11:49 ` Alexander Graf
2012-02-20 15:39 ` Scott Wood
2012-02-20 15:42 ` Alexander Graf
2012-02-17 17:13 ` [PATCH 17/30] KVM: PPC: e500mc: implicitly set MSR_GS Alexander Graf
2012-02-17 17:13 ` [PATCH 18/30] KVM: PPC: e500mc: Move r1/r2 restoration very early Alexander Graf
2012-02-17 17:13 ` [PATCH 19/30] KVM: PPC: e500mc: add load inst fixup Alexander Graf
2012-02-17 23:17 ` Scott Wood
2012-02-17 17:13 ` [PATCH 20/30] KVM: PPC: rename CONFIG_KVM_E500 -> CONFIG_KVM_E500V2 Alexander Graf
2012-02-17 17:13 ` [PATCH 21/30] KVM: PPC: make e500v2 and e500mc mutually exclusive Alexander Graf
2012-02-17 22:13 ` Scott Wood
2012-02-17 17:13 ` [PATCH 22/30] KVM: PPC: booke: remove leftover debugging Alexander Graf
2012-02-17 17:13 ` [PATCH 23/30] KVM: PPC: booke: deliver program int on emulation failure Alexander Graf
2012-02-17 17:13 ` [PATCH 24/30] KVM: PPC: booke: call resched after every exit Alexander Graf
2012-02-17 23:00 ` Scott Wood
2012-02-20 13:17 ` Alexander Graf
2012-02-20 17:18 ` Scott Wood
2012-02-17 17:13 ` [PATCH 25/30] KVM: PPC: booke: BOOKE_IRQPRIO_MAX is n+1 Alexander Graf
2012-02-17 17:13 ` [PATCH 26/30] KVM: PPC: bookehv: fix exit timing Alexander Graf
2012-02-17 17:13 ` [PATCH 27/30] KVM: PPC: bookehv: remove negation for CONFIG_64BIT Alexander Graf
2012-02-17 17:13 ` [PATCH 28/30] KVM: PPC: bookehv: remove SET_VCPU Alexander Graf
2012-02-17 17:13 ` [PATCH 29/30] KVM: PPC: bookehv: disable MAS register updates early Alexander Graf
2012-02-17 17:13 ` [PATCH 30/30] KVM: PPC: bookehv: add comment about shadow_msr Alexander Graf
-- strict thread matches above, loose matches on Subject: below --
2012-02-17 16:56 [PATCH 00/30] KVM: PPC: e500mc support Alexander Graf
2012-02-17 16:56 ` [PATCH 12/30] powerpc/booke: Provide exception macros with interrupt name Alexander Graf
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