i2p/haiku-beta6
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ARM: fixup interrupt enable/disable/restore functions

Browse Source
This commit is contained in:
Ithamar R. Adema
2012-11-05 01:45:25 +01:00
parent 02081e0950
commit f8b47f2b2a
1 changed files with 16 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/system/kernel/arch/arm/arch_asm.S
+12 -3
View File
@@ -27,8 +27,8 @@ FUNCTION_END(arch_int_enable_interrupts)
*/ */
FUNCTION(arch_int_disable_interrupts): FUNCTION(arch_int_disable_interrupts):
mrs r0, cpsr mrs r0, cpsr
orr r0, r0, #(1<<7) orr r1, r0, #(1<<7)
msr cpsr_c, r0 msr cpsr_c, r1
bx lr bx lr
FUNCTION_END(arch_int_disable_interrupts) FUNCTION_END(arch_int_disable_interrupts)
@@ -37,7 +37,7 @@ FUNCTION_END(arch_int_disable_interrupts)
*/ */
FUNCTION(arch_int_restore_interrupts): FUNCTION(arch_int_restore_interrupts):
mrs r1, cpsr mrs r1, cpsr
orr r0,r0, #(1<<7) and r0, r0, #(1<<7)
bic r1, r1, #(1<<7) bic r1, r1, #(1<<7)
orr r1, r1, r0 orr r1, r1, r0
msr cpsr_c, r1 msr cpsr_c, r1
@@ -56,3 +56,12 @@ FUNCTION(arch_int_are_interrupts_enabled):
FUNCTION_END(arch_int_are_interrupts_enabled) FUNCTION_END(arch_int_are_interrupts_enabled)
/* void arm_context_switch(struct arch_thread* oldState,
struct arch_thread* newState); */
FUNCTION(arm_context_switch):
stmfd sp!, { r0-r12, lr }
str sp, [r0]
ldr sp, [r1]
ldmfd sp!, { r0-r12, lr }
bx lr
FUNCTION_END(arm_context_switch)