aboutsummaryrefslogtreecommitdiff
path: root/arch/arm64/kernel/entry.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm64/kernel/entry.S')
-rw-r--r--arch/arm64/kernel/entry.S9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
index a7691a378668..e16351819fed 100644
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -352,8 +352,8 @@ el1_inv:
// TODO: add support for undefined instructions in kernel mode
enable_dbg
mov x0, sp
+ mov x2, x1
mov x1, #BAD_SYNC
- mrs x2, esr_el1
b bad_mode
ENDPROC(el1_sync)
@@ -553,7 +553,7 @@ el0_inv:
ct_user_exit
mov x0, sp
mov x1, #BAD_SYNC
- mrs x2, esr_el1
+ mov x2, x25
bl bad_mode
b ret_to_user
ENDPROC(el0_sync)
@@ -585,7 +585,8 @@ ENDPROC(el0_irq)
*
*/
ENTRY(cpu_switch_to)
- add x8, x0, #THREAD_CPU_CONTEXT
+ mov x10, #THREAD_CPU_CONTEXT
+ add x8, x0, x10
mov x9, sp
stp x19, x20, [x8], #16 // store callee-saved registers
stp x21, x22, [x8], #16
@@ -594,7 +595,7 @@ ENTRY(cpu_switch_to)
stp x27, x28, [x8], #16
stp x29, x9, [x8], #16
str lr, [x8]
- add x8, x1, #THREAD_CPU_CONTEXT
+ add x8, x1, x10
ldp x19, x20, [x8], #16 // restore callee-saved registers
ldp x21, x22, [x8], #16
ldp x23, x24, [x8], #16