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https://opencores.org/ocsvn/openrisc/openrisc/trunk
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- This comparison shows the changes necessary to convert path
/openrisc/trunk/rtos/ucos-ii
- from Rev 526 to Rev 541
- ↔ Reverse comparison
Rev 526 → Rev 541
/2.91/ChangeLog-OR32
1,3 → 1,8
2011-05-17 Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> |
* ucos-port/os_cpu_c.c: |
(OSTaskStkInit): Use ICE and DCE from current SR instead of |
default to disable. |
|
2011-04-20 Julius Baxter <julius@opencores.org> |
* ucos-port/os_cpu_c.c: |
(OSTaskStkInit): Made stack initialisation skip red zone (128 bytes). |
/2.91/ucos-port/os_cpu_c.c
292,11 → 292,13
{ |
OS_STK *stk; |
OS_STK *fp; |
INT32U sr; |
|
#ifdef DEBUG |
printf("\nCreating Stack at %x for task %x", ptos, task); |
#endif |
|
sr = mfspr(SPR_SR); |
opt = opt; /* 'opt' is not used, prevent warning */ |
stk = ptos; /* Load stack pointer */ |
stk -=32; /* Skip over red zone, 32 words */ |
337,7 → 339,9
*stk-- = (INT32U)4; /* r04 = 0 */ |
*stk-- = (OS_STK)(pdata); /* r03 = arg0 */ |
*stk-- = (OS_STK)fp; /* r02 = frame pointer */ |
*stk-- = (INT32U)(SPR_SR_IEE | SPR_SR_TEE | SPR_SR_SM); /* status word */ |
/* supervision register */ |
*stk-- = (INT32U)(SPR_SR_IEE | SPR_SR_TEE | SPR_SR_SM | |
(sr & (SPR_SR_ICE | SPR_SR_DCE))); |
*stk = (OS_STK)(task); /* program counter */ |
|
return ((OS_STK *)stk); /* sp gets saved in TCB */ |