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powerpc/rtas: Fix whitespace in rtas_entry.S

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The code was moved verbatim including whitespace cruft. Fix that.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220308135047.478297-4-npiggin@gmail.com
This commit is contained in:
Nicholas Piggin 2022-03-08 23:50:36 +10:00 committed by Michael Ellerman
parent 07940b4b61
commit 4e949faae2
1 changed files with 13 additions and 13 deletions
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26
arch/powerpc/kernel/rtas_entry.S
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@ -60,12 +60,12 @@ _ASM_NOKPROBE_SYMBOL(enter_rtas)
_GLOBAL(enter_rtas)
mflr r0
std r0,16(r1)
stdu r1,-SWITCH_FRAME_SIZE(r1) /* Save SP and create stack space. */
stdu r1,-SWITCH_FRAME_SIZE(r1) /* Save SP and create stack space. */
/* Because RTAS is running in 32b mode, it clobbers the high order half
* of all registers that it saves. We therefore save those registers
* RTAS might touch to the stack. (r0, r3-r13 are caller saved)
*/
*/
SAVE_GPR(2, r1) /* Save the TOC */
SAVE_GPR(13, r1) /* Save paca */
SAVE_NVGPRS(r1) /* Save the non-volatiles */
@ -105,14 +105,14 @@ _GLOBAL(enter_rtas)
/* Unfortunately, the stack pointer and the MSR are also clobbered,
* so they are saved in the PACA which allows us to restore
* our original state after RTAS returns.
*/
*/
std r1,PACAR1(r13)
std r6,PACASAVEDMSR(r13)
std r6,PACASAVEDMSR(r13)
/* Setup our real return addr */
/* Setup our real return addr */
LOAD_REG_ADDR(r4,rtas_return_loc)
clrldi r4,r4,2 /* convert to realmode address */
mtlr r4
mtlr r4
__enter_rtas:
LOAD_REG_ADDR(r4, rtas)
@ -141,13 +141,13 @@ rtas_return_loc:
/*
* Clear RI and set SF before anything.
*/
mfmsr r6
mfmsr r6
li r0,MSR_RI
andc r6,r6,r0
sldi r0,r0,(MSR_SF_LG - MSR_RI_LG)
or r6,r6,r0
sync
mtmsrd r6
mtmsrd r6
/* relocation is off at this point */
GET_PACA(r4)
@ -157,8 +157,8 @@ rtas_return_loc:
0: mflr r3
ld r3,(1f-0b)(r3) /* get &rtas_restore_regs */
ld r1,PACAR1(r4) /* Restore our SP */
ld r4,PACASAVEDMSR(r4) /* Restore our MSR */
ld r1,PACAR1(r4) /* Restore our SP */
ld r4,PACASAVEDMSR(r4) /* Restore our MSR */
mtspr SPRN_SRR0,r3
mtspr SPRN_SRR1,r4
@ -190,10 +190,10 @@ rtas_restore_regs:
ld r8,_DSISR(r1)
mtdsisr r8
addi r1,r1,SWITCH_FRAME_SIZE /* Unstack our frame */
addi r1,r1,SWITCH_FRAME_SIZE /* Unstack our frame */
ld r0,16(r1) /* get return address */
mtlr r0
blr /* return to caller */
mtlr r0
blr /* return to caller */
#endif /* CONFIG_PPC32 */