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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1559 35acf78f-673a-0410-8e92-d51de3d6d3f4

master
gdisirio 2010-02-02 21:25:04 +00:00
parent e515bcf581
commit a5070b8e57
3 changed files with 7 additions and 23 deletions
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4
os/ports/GCC/ARM7/chcoreasm.s
View File

@ -115,8 +115,8 @@ _port_switch_arm:
#endif /* !THUMB_PRESENT */
#else /* !CH_CURRP_REGISTER_CACHE */
stmfd sp!, {r4, r5, r6, r7, r8, r9, r10, r11, lr}
str sp, [r0, #16]
ldr sp, [r1, #16]
str sp, [r0, #12]
ldr sp, [r1, #12]
#ifdef THUMB_PRESENT
ldmfd sp!, {r4, r5, r6, r7, r8, r9, r10, r11, lr}
bx lr

22
os/ports/GCC/AVR/chcore.c
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@ -59,33 +59,17 @@ void port_switch(Thread *otp, Thread *ntp) {
asm volatile ("push r28");
asm volatile ("push r29");
/* This is required because the context offset changes if CH_USE_DYNAMIC
is activated.*/
#if CH_USE_DYNAMIC
asm volatile ("movw r30, r24");
asm volatile ("in r0, 0x3d");
asm volatile ("std Z+8, r0");
asm volatile ("std Z+6, r0");
asm volatile ("in r0, 0x3e");
asm volatile ("std Z+9, r0");
asm volatile ("movw r30, r22");
asm volatile ("ldd r0, Z+8");
asm volatile ("out 0x3d, r0");
asm volatile ("ldd r0, Z+9");
asm volatile ("out 0x3e, r0");
#else /* !CH_USE_DYNAMIC */
asm volatile ("movw r30, r24");
asm volatile ("in r0, 0x3d");
asm volatile ("std Z+7, r0");
asm volatile ("in r0, 0x3e");
asm volatile ("std Z+8, r0");
asm volatile ("movw r30, r22");
asm volatile ("ldd r0, Z+7");
asm volatile ("ldd r0, Z+6");
asm volatile ("out 0x3d, r0");
asm volatile ("ldd r0, Z+8");
asm volatile ("ldd r0, Z+7");
asm volatile ("out 0x3e, r0");
#endif /* !CH_USE_DYNAMIC */
asm volatile ("pop r29");
asm volatile ("pop r28");

4
os/ports/GCC/SIMIA32/chcore.c
View File

@ -46,8 +46,8 @@ static void __dummy(Thread *otp, Thread *ntp) {
"push %esi \n\t" \
"push %edi \n\t" \
"push %ebx \n\t" \
"movl %esp, 16(%ecx) \n\t" \
"movl 16(%edx), %esp \n\t" \
"movl %esp, 12(%ecx) \n\t" \
"movl 12(%edx), %esp \n\t" \
"pop %ebx \n\t" \
"pop %edi \n\t" \
"pop %esi \n\t" \