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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen master] xen: arm: some cleanups to hypervisor entry code.
commit 6487e2603c3ff7e7e81659ca9c453378b6b8a600
Author: Ian Campbell <ian.campbell@xxxxxxxxxx>
AuthorDate: Mon Jul 29 13:20:59 2013 +0100
Commit: Ian Campbell <ian.campbell@xxxxxxxxxx>
CommitDate: Mon Jul 29 16:54:50 2013 +0100
xen: arm: some cleanups to hypervisor entry code.
Tweak the case of some system registers for consistency.
There is no need to export return_to_hypervisor or return_to_guest.
Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Acked-by: Tim Deegan <tim@xxxxxxx>
---
xen/arch/arm/arm32/entry.S | 4 ++--
xen/arch/arm/arm64/entry.S | 16 ++++++++--------
2 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/xen/arch/arm/arm32/entry.S b/xen/arch/arm/arm32/entry.S
index 1c26835..6cdf0aa 100644
--- a/xen/arch/arm/arm32/entry.S
+++ b/xen/arch/arm/arm32/entry.S
@@ -93,7 +93,7 @@ ENTRY(return_to_new_vcpu)
cmp r11, #PSR_MODE_HYP
beq return_to_hypervisor
/* Fall thru */
-ENTRY(return_to_guest)
+return_to_guest:
mov r11, sp
bic sp, #7 /* Align the stack pointer */
bl leave_hypervisor_tail /* Disables interrupts on return */
@@ -108,7 +108,7 @@ ENTRY(return_to_guest)
RESTORE_ONE_BANKED(R8_fiq); RESTORE_ONE_BANKED(R9_fiq);
RESTORE_ONE_BANKED(R10_fiq)
RESTORE_ONE_BANKED(R11_fiq); RESTORE_ONE_BANKED(R12_fiq);
/* Fall thru */
-ENTRY(return_to_hypervisor)
+return_to_hypervisor:
cpsid i
ldr lr, [sp, #UREGS_lr]
ldr r11, [sp, #UREGS_pc]
diff --git a/xen/arch/arm/arm64/entry.S b/xen/arch/arm/arm64/entry.S
index b5af1e2..c0d2bd8 100644
--- a/xen/arch/arm/arm64/entry.S
+++ b/xen/arch/arm/arm64/entry.S
@@ -26,7 +26,7 @@ lr .req x30 // link register
.macro entry_guest, compat
add x21, sp, #UREGS_SPSR_el1
- mrs x23, SPSR_EL1
+ mrs x23, SPSR_el1
str x23, [x21]
.if \compat == 0 /* Aarch64 mode */
@@ -40,16 +40,16 @@ lr .req x30 // link register
mrs x23, ELR_el1
stp x22, x23, [x21]
- .else /* Aarch32 mode */
+ .else /* Aarch32 mode */
add x21, sp, #UREGS_SPSR_fiq
- mrs x22, spsr_fiq
- mrs x23, spsr_irq
+ mrs x22, SPSR_fiq
+ mrs x23, SPSR_irq
stp w22, w23, [x21]
add x21, sp, #UREGS_SPSR_und
- mrs x22, spsr_und
- mrs x23, spsr_abt
+ mrs x22, SPSR_und
+ mrs x23, SPSR_abt
stp w22, w23, [x21]
.endif
@@ -186,10 +186,10 @@ ENTRY(return_to_new_vcpu)
ccmp x21, #PSR_MODE_EL2h, #0x4, ne
b.eq return_to_hypervisor /* Yes */
/* Fall thru */
-ENTRY(return_to_guest)
+return_to_guest:
bl leave_hypervisor_tail /* Disables interrupts on return */
/* Fall thru */
-ENTRY(return_to_hypervisor)
+return_to_hypervisor:
msr daifset, #2 /* Mask interrupts */
ldp x21, x22, [sp, #UREGS_PC] // load ELR, SPSR
--
generated by git-patchbot for /home/xen/git/xen.git#master
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