Commit 66f7de86 authored by Michal Simek's avatar Michal Simek
Browse files

microblaze: entry.S: Macro optimization 



We are not working with values from MSR that's why
we can discard it and use r11 for different purpose without
saving/restoring.

Signed-off-by: default avatarMichal Simek <monstr@monstr.eu>
parent c318d483

arch/microblaze/kernel/entry.S

+12 −12
Original line number Diff line number Diff line
@@ -48,56 +48,56 @@ 
 */

#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR

	.macro	clear_bip

	msrclr	r11, MSR_BIP

	msrclr	r0, MSR_BIP

	nop

	.endm



	.macro	set_bip

	msrset	r11, MSR_BIP

	msrset	r0, MSR_BIP

	nop

	.endm



	.macro	clear_eip

	msrclr	r11, MSR_EIP

	msrclr	r0, MSR_EIP

	nop

	.endm



	.macro	set_ee

	msrset	r11, MSR_EE

	msrset	r0, MSR_EE

	nop

	.endm



	.macro	disable_irq

	msrclr	r11, MSR_IE

	msrclr	r0, MSR_IE

	nop

	.endm



	.macro	enable_irq

	msrset	r11, MSR_IE

	msrset	r0, MSR_IE

	nop

	.endm



	.macro	set_ums

	msrset	r11, MSR_UMS

	msrset	r0, MSR_UMS

	nop

	msrclr	r11, MSR_VMS

	msrclr	r0, MSR_VMS

	nop

	.endm



	.macro	set_vms

	msrclr	r11, MSR_UMS

	msrclr	r0, MSR_UMS

	nop

	msrset	r11, MSR_VMS

	msrset	r0, MSR_VMS

	nop

	.endm



	.macro	clear_ums

	msrclr	r11, MSR_UMS

	msrclr	r0, MSR_UMS

	nop

	.endm



	.macro	clear_vms_ums

	msrclr	r11, MSR_VMS | MSR_UMS

	msrclr	r0, MSR_VMS | MSR_UMS

	nop

	.endm

#else