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Message-Id: <e895592c2fdafe3ae5dfd3a824361951097b0975.1612864003.git.christophe.leroy@csgroup.eu>
Date: Tue, 9 Feb 2021 09:56:56 +0000 (UTC)
From: Christophe Leroy <christophe.leroy@...roup.eu>
To: Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Michael Ellerman <mpe@...erman.id.au>, npiggin@...il.com
Cc: linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [RFC PATCH v1 31/41] powerpc/32: Remove the xfer parameter in
EXCEPTION() macro
The xfer parameter is not used anymore, remove it.
Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
arch/powerpc/kernel/head_32.h | 2 +-
arch/powerpc/kernel/head_40x.S | 42 ++++++++--------
arch/powerpc/kernel/head_44x.S | 10 ++--
arch/powerpc/kernel/head_8xx.S | 14 +++---
arch/powerpc/kernel/head_book3s_32.S | 72 ++++++++++++++--------------
arch/powerpc/kernel/head_booke.h | 2 +-
arch/powerpc/kernel/head_fsl_booke.S | 28 +++++------
7 files changed, 81 insertions(+), 89 deletions(-)
diff --git a/arch/powerpc/kernel/head_32.h b/arch/powerpc/kernel/head_32.h
index 412ede8610f7..84e6251622e8 100644
--- a/arch/powerpc/kernel/head_32.h
+++ b/arch/powerpc/kernel/head_32.h
@@ -186,7 +186,7 @@ _ASM_NOKPROBE_SYMBOL(\name\()_virt)
#endif
-#define EXCEPTION(n, label, hdlr, xfer) \
+#define EXCEPTION(n, label, hdlr) \
START_EXCEPTION(n, label) \
EXCEPTION_PROLOG n label; \
prepare_transfer_to_handler; \
diff --git a/arch/powerpc/kernel/head_40x.S b/arch/powerpc/kernel/head_40x.S
index 7eb49ebd6000..52b40bf529c6 100644
--- a/arch/powerpc/kernel/head_40x.S
+++ b/arch/powerpc/kernel/head_40x.S
@@ -228,7 +228,7 @@ _ASM_NOKPROBE_SYMBOL(\name\()_virt)
b interrupt_return
/* 0x0500 - External Interrupt Exception */
- EXCEPTION(0x0500, HardwareInterrupt, do_IRQ, EXC_XFER_LITE)
+ EXCEPTION(0x0500, HardwareInterrupt, do_IRQ)
/* 0x0600 - Alignment Exception */
START_EXCEPTION(0x0600, Alignment)
@@ -246,19 +246,19 @@ _ASM_NOKPROBE_SYMBOL(\name\()_virt)
REST_NVGPRS(r1)
b interrupt_return
- EXCEPTION(0x0800, Trap_08, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x0900, Trap_09, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x0A00, Trap_0A, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x0B00, Trap_0B, unknown_exception, EXC_XFER_STD)
+ EXCEPTION(0x0800, Trap_08, unknown_exception)
+ EXCEPTION(0x0900, Trap_09, unknown_exception)
+ EXCEPTION(0x0A00, Trap_0A, unknown_exception)
+ EXCEPTION(0x0B00, Trap_0B, unknown_exception)
/* 0x0C00 - System Call Exception */
START_EXCEPTION(0x0C00, SystemCall)
SYSCALL_ENTRY 0xc00
/* Trap_0D is commented out to get more space for system call exception */
-/* EXCEPTION(0x0D00, Trap_0D, unknown_exception, EXC_XFER_STD) */
- EXCEPTION(0x0E00, Trap_0E, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x0F00, Trap_0F, unknown_exception, EXC_XFER_STD)
+/* EXCEPTION(0x0D00, Trap_0D, unknown_exception) */
+ EXCEPTION(0x0E00, Trap_0E, unknown_exception)
+ EXCEPTION(0x0F00, Trap_0F, unknown_exception)
/* 0x1000 - Programmable Interval Timer (PIT) Exception */
START_EXCEPTION(0x1000, DecrementerTrap)
@@ -433,19 +433,19 @@ _ASM_NOKPROBE_SYMBOL(\name\()_virt)
mfspr r10, SPRN_SPRG_SCRATCH5
b InstructionAccess
- EXCEPTION(0x1300, Trap_13, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1400, Trap_14, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1500, Trap_15, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1600, Trap_16, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1700, Trap_17, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1800, Trap_18, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1900, Trap_19, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1A00, Trap_1A, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1B00, Trap_1B, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1C00, Trap_1C, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1D00, Trap_1D, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1E00, Trap_1E, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1F00, Trap_1F, unknown_exception, EXC_XFER_STD)
+ EXCEPTION(0x1300, Trap_13, unknown_exception)
+ EXCEPTION(0x1400, Trap_14, unknown_exception)
+ EXCEPTION(0x1500, Trap_15, unknown_exception)
+ EXCEPTION(0x1600, Trap_16, unknown_exception)
+ EXCEPTION(0x1700, Trap_17, unknown_exception)
+ EXCEPTION(0x1800, Trap_18, unknown_exception)
+ EXCEPTION(0x1900, Trap_19, unknown_exception)
+ EXCEPTION(0x1A00, Trap_1A, unknown_exception)
+ EXCEPTION(0x1B00, Trap_1B, unknown_exception)
+ EXCEPTION(0x1C00, Trap_1C, unknown_exception)
+ EXCEPTION(0x1D00, Trap_1D, unknown_exception)
+ EXCEPTION(0x1E00, Trap_1E, unknown_exception)
+ EXCEPTION(0x1F00, Trap_1F, unknown_exception)
/* Check for a single step debug exception while in an exception
* handler before state has been saved. This is to catch the case
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index 813fa305c33b..5c106ac36626 100644
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -263,8 +263,7 @@ interrupt_base:
INSTRUCTION_STORAGE_EXCEPTION
/* External Input Interrupt */
- EXCEPTION(0x0500, BOOKE_INTERRUPT_EXTERNAL, ExternalInput, \
- do_IRQ, EXC_XFER_LITE)
+ EXCEPTION(0x0500, BOOKE_INTERRUPT_EXTERNAL, ExternalInput, do_IRQ)
/* Alignment Interrupt */
ALIGNMENT_EXCEPTION
@@ -277,7 +276,7 @@ interrupt_base:
FP_UNAVAILABLE_EXCEPTION
#else
EXCEPTION(0x2010, BOOKE_INTERRUPT_FP_UNAVAIL, \
- FloatingPointUnavailable, unknown_exception, EXC_XFER_STD)
+ FloatingPointUnavailable, unknown_exception)
#endif
/* System Call Interrupt */
START_EXCEPTION(SystemCall)
@@ -285,15 +284,14 @@ interrupt_base:
/* Auxiliary Processor Unavailable Interrupt */
EXCEPTION(0x2020, BOOKE_INTERRUPT_AP_UNAVAIL, \
- AuxillaryProcessorUnavailable, unknown_exception, EXC_XFER_STD)
+ AuxillaryProcessorUnavailable, unknown_exception)
/* Decrementer Interrupt */
DECREMENTER_EXCEPTION
/* Fixed Internal Timer Interrupt */
/* TODO: Add FIT support */
- EXCEPTION(0x1010, BOOKE_INTERRUPT_FIT, FixedIntervalTimer, \
- unknown_exception, EXC_XFER_STD)
+ EXCEPTION(0x1010, BOOKE_INTERRUPT_FIT, FixedIntervalTimer, unknown_exception)
/* Watchdog Timer Interrupt */
/* TODO: Add watchdog support */
diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S
index 4d73549722a1..34feb628c88d 100644
--- a/arch/powerpc/kernel/head_8xx.S
+++ b/arch/powerpc/kernel/head_8xx.S
@@ -118,7 +118,7 @@ instruction_counter:
#endif
/* System reset */
- EXCEPTION(0x100, Reset, system_reset_exception, EXC_XFER_STD)
+ EXCEPTION(0x100, Reset, system_reset_exception)
/* Machine check */
START_EXCEPTION(0x200, MachineCheck)
@@ -128,7 +128,7 @@ instruction_counter:
b interrupt_return
/* External interrupt */
- EXCEPTION(0x500, HardwareInterrupt, do_IRQ, EXC_XFER_LITE)
+ EXCEPTION(0x500, HardwareInterrupt, do_IRQ)
/* Alignment exception */
START_EXCEPTION(0x600, Alignment)
@@ -147,14 +147,14 @@ instruction_counter:
b interrupt_return
/* Decrementer */
- EXCEPTION(0x900, Decrementer, timer_interrupt, EXC_XFER_LITE)
+ EXCEPTION(0x900, Decrementer, timer_interrupt)
/* System call */
START_EXCEPTION(0xc00, SystemCall)
SYSCALL_ENTRY 0xc00
/* Single step - not used on 601 */
- EXCEPTION(0xd00, SingleStep, single_step_exception, EXC_XFER_STD)
+ EXCEPTION(0xd00, SingleStep, single_step_exception)
/* On the MPC8xx, this is a software emulation interrupt. It occurs
* for all unimplemented and illegal instructions.
@@ -384,10 +384,10 @@ DARFixed:/* Return from dcbx instruction bug workaround */
mfspr r10, SPRN_SPRG_SCRATCH0
rfi
#else
- EXCEPTION(0x1d00, Trap_1d, unknown_exception, EXC_XFER_STD)
+ EXCEPTION(0x1d00, Trap_1d, unknown_exception)
#endif
- EXCEPTION(0x1e00, Trap_1e, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1f00, Trap_1f, unknown_exception, EXC_XFER_STD)
+ EXCEPTION(0x1e00, Trap_1e, unknown_exception)
+ EXCEPTION(0x1f00, Trap_1f, unknown_exception)
__HEAD
. = 0x2000
diff --git a/arch/powerpc/kernel/head_book3s_32.S b/arch/powerpc/kernel/head_book3s_32.S
index 0082342f0ae6..055441646f27 100644
--- a/arch/powerpc/kernel/head_book3s_32.S
+++ b/arch/powerpc/kernel/head_book3s_32.S
@@ -239,7 +239,7 @@ __secondary_hold_acknowledge:
/* System reset */
/* core99 pmac starts the seconary here by changing the vector, and
putting it back to what it was (unknown_async_exception) when done. */
- EXCEPTION(0x100, Reset, unknown_async_exception, EXC_XFER_STD)
+ EXCEPTION(0x100, Reset, unknown_async_exception)
/* Machine check */
/*
@@ -339,7 +339,7 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_HPTE_TABLE)
b interrupt_return
/* External interrupt */
- EXCEPTION(0x500, HardwareInterrupt, do_IRQ, EXC_XFER_LITE)
+ EXCEPTION(0x500, HardwareInterrupt, do_IRQ)
/* Alignment exception */
START_EXCEPTION(0x600, Alignment)
@@ -379,17 +379,17 @@ END_FTR_SECTION_IFSET(CPU_FTR_FPU_UNAVAILABLE)
#endif
/* Decrementer */
- EXCEPTION(0x900, Decrementer, timer_interrupt, EXC_XFER_LITE)
+ EXCEPTION(0x900, Decrementer, timer_interrupt)
- EXCEPTION(0xa00, Trap_0a, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0xb00, Trap_0b, unknown_exception, EXC_XFER_STD)
+ EXCEPTION(0xa00, Trap_0a, unknown_exception)
+ EXCEPTION(0xb00, Trap_0b, unknown_exception)
/* System call */
START_EXCEPTION(0xc00, SystemCall)
SYSCALL_ENTRY 0xc00
- EXCEPTION(0xd00, SingleStep, single_step_exception, EXC_XFER_STD)
- EXCEPTION(0xe00, Trap_0e, unknown_exception, EXC_XFER_STD)
+ EXCEPTION(0xd00, SingleStep, single_step_exception)
+ EXCEPTION(0xe00, Trap_0e, unknown_exception)
/*
* The Altivec unavailable trap is at 0x0f20. Foo.
@@ -615,35 +615,35 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_NEED_DTLB_SW_LRU)
#define TAUException unknown_async_exception
#endif
- EXCEPTION(0x1300, Trap_13, instruction_breakpoint_exception, EXC_XFER_STD)
- EXCEPTION(0x1400, SMI, SMIException, EXC_XFER_STD)
- EXCEPTION(0x1500, Trap_15, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1600, Trap_16, altivec_assist_exception, EXC_XFER_STD)
- EXCEPTION(0x1700, Trap_17, TAUException, EXC_XFER_STD)
- EXCEPTION(0x1800, Trap_18, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1900, Trap_19, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1a00, Trap_1a, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1b00, Trap_1b, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1c00, Trap_1c, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1d00, Trap_1d, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1e00, Trap_1e, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x1f00, Trap_1f, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x2000, RunMode, RunModeException, EXC_XFER_STD)
- EXCEPTION(0x2100, Trap_21, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x2200, Trap_22, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x2300, Trap_23, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x2400, Trap_24, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x2500, Trap_25, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x2600, Trap_26, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x2700, Trap_27, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x2800, Trap_28, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x2900, Trap_29, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x2a00, Trap_2a, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x2b00, Trap_2b, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x2c00, Trap_2c, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x2d00, Trap_2d, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x2e00, Trap_2e, unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x2f00, Trap_2f, unknown_exception, EXC_XFER_STD)
+ EXCEPTION(0x1300, Trap_13, instruction_breakpoint_exception)
+ EXCEPTION(0x1400, SMI, SMIException)
+ EXCEPTION(0x1500, Trap_15, unknown_exception)
+ EXCEPTION(0x1600, Trap_16, altivec_assist_exception)
+ EXCEPTION(0x1700, Trap_17, TAUException)
+ EXCEPTION(0x1800, Trap_18, unknown_exception)
+ EXCEPTION(0x1900, Trap_19, unknown_exception)
+ EXCEPTION(0x1a00, Trap_1a, unknown_exception)
+ EXCEPTION(0x1b00, Trap_1b, unknown_exception)
+ EXCEPTION(0x1c00, Trap_1c, unknown_exception)
+ EXCEPTION(0x1d00, Trap_1d, unknown_exception)
+ EXCEPTION(0x1e00, Trap_1e, unknown_exception)
+ EXCEPTION(0x1f00, Trap_1f, unknown_exception)
+ EXCEPTION(0x2000, RunMode, RunModeException)
+ EXCEPTION(0x2100, Trap_21, unknown_exception)
+ EXCEPTION(0x2200, Trap_22, unknown_exception)
+ EXCEPTION(0x2300, Trap_23, unknown_exception)
+ EXCEPTION(0x2400, Trap_24, unknown_exception)
+ EXCEPTION(0x2500, Trap_25, unknown_exception)
+ EXCEPTION(0x2600, Trap_26, unknown_exception)
+ EXCEPTION(0x2700, Trap_27, unknown_exception)
+ EXCEPTION(0x2800, Trap_28, unknown_exception)
+ EXCEPTION(0x2900, Trap_29, unknown_exception)
+ EXCEPTION(0x2a00, Trap_2a, unknown_exception)
+ EXCEPTION(0x2b00, Trap_2b, unknown_exception)
+ EXCEPTION(0x2c00, Trap_2c, unknown_exception)
+ EXCEPTION(0x2d00, Trap_2d, unknown_exception)
+ EXCEPTION(0x2e00, Trap_2e, unknown_exception)
+ EXCEPTION(0x2f00, Trap_2f, unknown_exception)
__HEAD
. = 0x3000
diff --git a/arch/powerpc/kernel/head_booke.h b/arch/powerpc/kernel/head_booke.h
index ae6ce924b49a..7c8195ae95c4 100644
--- a/arch/powerpc/kernel/head_booke.h
+++ b/arch/powerpc/kernel/head_booke.h
@@ -299,7 +299,7 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_EMB_HV)
.align 5; \
label:
-#define EXCEPTION(n, intno, label, hdlr, xfer) \
+#define EXCEPTION(n, intno, label, hdlr) \
START_EXCEPTION(label); \
NORMAL_EXCEPTION_PROLOG(n, intno); \
prepare_transfer_to_handler; \
diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S
index 48d022b1f508..3efc5baa801a 100644
--- a/arch/powerpc/kernel/head_fsl_booke.S
+++ b/arch/powerpc/kernel/head_fsl_booke.S
@@ -382,7 +382,7 @@ interrupt_base:
INSTRUCTION_STORAGE_EXCEPTION
/* External Input Interrupt */
- EXCEPTION(0x0500, EXTERNAL, ExternalInput, do_IRQ, EXC_XFER_LITE)
+ EXCEPTION(0x0500, EXTERNAL, ExternalInput, do_IRQ)
/* Alignment Interrupt */
ALIGNMENT_EXCEPTION
@@ -394,8 +394,7 @@ interrupt_base:
#ifdef CONFIG_PPC_FPU
FP_UNAVAILABLE_EXCEPTION
#else
- EXCEPTION(0x0800, FP_UNAVAIL, FloatingPointUnavailable, \
- unknown_exception, EXC_XFER_STD)
+ EXCEPTION(0x0800, FP_UNAVAIL, FloatingPointUnavailable, unknown_exception)
#endif
/* System Call Interrupt */
@@ -403,16 +402,14 @@ interrupt_base:
SYSCALL_ENTRY 0xc00 BOOKE_INTERRUPT_SYSCALL SPRN_SRR1
/* Auxiliary Processor Unavailable Interrupt */
- EXCEPTION(0x2900, AP_UNAVAIL, AuxillaryProcessorUnavailable, \
- unknown_exception, EXC_XFER_STD)
+ EXCEPTION(0x2900, AP_UNAVAIL, AuxillaryProcessorUnavailable, unknown_exception)
/* Decrementer Interrupt */
DECREMENTER_EXCEPTION
/* Fixed Internal Timer Interrupt */
/* TODO: Add FIT support */
- EXCEPTION(0x3100, FIT, FixedIntervalTimer, \
- unknown_exception, EXC_XFER_STD)
+ EXCEPTION(0x3100, FIT, FixedIntervalTimer, unknown_exception)
/* Watchdog Timer Interrupt */
#ifdef CONFIG_BOOKE_WDT
@@ -625,8 +622,7 @@ END_BTB_FLUSH_SECTION
bl KernelSPE
b interrupt_return
#elif defined(CONFIG_SPE_POSSIBLE)
- EXCEPTION(0x2020, SPE_UNAVAIL, SPEUnavailable, \
- unknown_exception, EXC_XFER_STD)
+ EXCEPTION(0x2020, SPE_UNAVAIL, SPEUnavailable, unknown_exception)
#endif /* CONFIG_SPE_POSSIBLE */
/* SPE Floating Point Data */
@@ -646,18 +642,16 @@ END_BTB_FLUSH_SECTION
REST_NVGPRS(r1)
b interrupt_return
#elif defined(CONFIG_SPE_POSSIBLE)
- EXCEPTION(0x2040, SPE_FP_DATA, SPEFloatingPointData,
- unknown_exception, EXC_XFER_STD)
- EXCEPTION(0x2050, SPE_FP_ROUND, SPEFloatingPointRound, \
- unknown_exception, EXC_XFER_STD)
+ EXCEPTION(0x2040, SPE_FP_DATA, SPEFloatingPointData, unknown_exception)
+ EXCEPTION(0x2050, SPE_FP_ROUND, SPEFloatingPointRound, unknown_exception)
#endif /* CONFIG_SPE_POSSIBLE */
/* Performance Monitor */
EXCEPTION(0x2060, PERFORMANCE_MONITOR, PerformanceMonitor, \
- performance_monitor_exception, EXC_XFER_STD)
+ performance_monitor_exception)
- EXCEPTION(0x2070, DOORBELL, Doorbell, doorbell_exception, EXC_XFER_STD)
+ EXCEPTION(0x2070, DOORBELL, Doorbell, doorbell_exception)
CRITICAL_EXCEPTION(0x2080, DOORBELL_CRITICAL, \
CriticalDoorbell, unknown_exception)
@@ -672,10 +666,10 @@ END_BTB_FLUSH_SECTION
unknown_exception)
/* Hypercall */
- EXCEPTION(0, HV_SYSCALL, Hypercall, unknown_exception, EXC_XFER_STD)
+ EXCEPTION(0, HV_SYSCALL, Hypercall, unknown_exception)
/* Embedded Hypervisor Privilege */
- EXCEPTION(0, HV_PRIV, Ehvpriv, unknown_exception, EXC_XFER_STD)
+ EXCEPTION(0, HV_PRIV, Ehvpriv, unknown_exception)
interrupt_end:
--
2.25.0
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