Commit 7071b291 authored by Hirokazu Takata's avatar Hirokazu Takata
Browse files

m32r: Rename STI/CLI macros 



The names of STI and CLI macros were derived from i386 arch historically,
but their name are incomprehensible.
So, for easy to understand, rename these macros to ENABLE_INTERRUPTS
and DISABLE_INTERRUPTS, respectively.

Signed-off-by: default avatarHirokazu Takata <takata@linux-m32r.org>
parent 33205613

arch/m32r/kernel/entry.S

+8 −8
Original line number Diff line number Diff line
@@ -112,7 +112,7 @@ 
#define nr_syscalls ((syscall_table_size)/4)



#ifdef CONFIG_PREEMPT

#define preempt_stop(x)		CLI(x)

#define preempt_stop(x)		DISABLE_INTERRUPTS(x)

#else

#define preempt_stop(x)

#define resume_kernel		restore_all
@@ -144,7 +144,7 @@ ret_from_intr: 
#endif

	beqz	r4, resume_kernel

ENTRY(resume_userspace)

	CLI(r4)				; make sure we don't miss an interrupt

	DISABLE_INTERRUPTS(r4)		; make sure we don't miss an interrupt

					; setting need_resched or sigpending

					; between sampling and the iret

	GET_THREAD_INFO(r8)
@@ -168,11 +168,11 @@ need_resched: 
	beqz	r4, restore_all

	LDIMM	(r4, PREEMPT_ACTIVE)

	st	r4, @(TI_PRE_COUNT, r8)

	STI(r4)

	ENABLE_INTERRUPTS(r4)

	bl	schedule

	ldi	r4, #0

	st	r4, @(TI_PRE_COUNT, r8)

	CLI(r4)

	DISABLE_INTERRUPTS(r4)

	bra	need_resched

#endif
@@ -180,7 +180,7 @@ need_resched: 
ENTRY(system_call)

	SWITCH_TO_KERNEL_STACK

	SAVE_ALL

	STI(r4)				; Enable interrupt

	ENABLE_INTERRUPTS(r4)		; Enable interrupt

	st	sp, PTREGS(sp)		; implicit pt_regs parameter

	cmpui	r7, #NR_syscalls

	bnc	syscall_badsys
@@ -198,7 +198,7 @@ syscall_call: 
	jl	r7			; execute system call

	st	r0, R0(sp)		; save the return value

syscall_exit:

	CLI(r4)				; make sure we don't miss an interrupt

	DISABLE_INTERRUPTS(r4)		; make sure we don't miss an interrupt

					; setting need_resched or sigpending

					; between sampling and the iret

	ld	r9, @(TI_FLAGS, r8)
@@ -215,7 +215,7 @@ work_pending: 
	beqz	r4, work_notifysig

work_resched:

	bl	schedule

	CLI(r4)				; make sure we don't miss an interrupt

	DISABLE_INTERRUPTS(r4)		; make sure we don't miss an interrupt

					; setting need_resched or sigpending

					; between sampling and the iret

	ld	r9, @(TI_FLAGS, r8)
@@ -257,7 +257,7 @@ syscall_exit_work: 
	ld	r9, @(TI_FLAGS, r8)

	and3	r4, r9, #_TIF_SYSCALL_TRACE

	beqz	r4, work_pending

	STI(r4)				; could let do_syscall_trace() call

	ENABLE_INTERRUPTS(r4)		; could let do_syscall_trace() call

					; schedule() instead

	bl	do_syscall_trace

	bra	resume_userspace

include/asm-m32r/assembler.h

+8 −8
Original line number Diff line number Diff line
@@ -52,27 +52,27 @@ 
	.endm



#if !(defined(CONFIG_CHIP_M32102) || defined(CONFIG_CHIP_M32104))

#define STI(reg) STI_M reg

	.macro STI_M reg

#define ENABLE_INTERRUPTS(reg) ENABLE_INTERRUPTS reg

	.macro ENABLE_INTERRUPTS reg

	setpsw  #0x40	    ->	nop

	; WORKAROUND: "-> nop" is a workaround for the M32700(TS1).

	.endm



#define CLI(reg) CLI_M reg

	.macro CLI_M reg

#define DISABLE_INTERRUPTS(reg) DISABLE_INTERRUPTS reg

	.macro DISABLE_INTERRUPTS reg

	clrpsw  #0x40	    ->	nop

	; WORKAROUND: "-> nop" is a workaround for the M32700(TS1).

	.endm

#else	/* CONFIG_CHIP_M32102 || CONFIG_CHIP_M32104 */

#define STI(reg) STI_M reg

	.macro STI_M reg

#define ENABLE_INTERRUPTS(reg) ENABLE_INTERRUPTS reg

	.macro ENABLE_INTERRUPTS reg

	mvfc	\reg, psw

	or3	\reg, \reg, #0x0040

	mvtc	\reg, psw

	.endm



#define CLI(reg) CLI_M reg

	.macro CLI_M reg

#define DISABLE_INTERRUPTS(reg) DISABLE_INTERRUPTS reg

	.macro DISABLE_INTERRUPTS reg

	mvfc	\reg, psw

	and3	\reg, \reg, #0xffbf

	mvtc	\reg, psw

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