URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [ucos-ii/] [2.91/] [ucos-port/] [os_cpu_c.c] - Diff between revs 471 and 525

Rev 471	Rev 525
Line 285...	Line 285...
`* been placed on the stack in the proper order.`	`* been placed on the stack in the proper order.`
`*`	`*`
`*********************************************************************************************************`	`*********************************************************************************************************`
`*/`	`*/`

`OS_STK OSTaskStkInit (void (task)(void pd), void pdata, OS_STK *ptos, INT16U opt)`	`OS_STK OSTaskStkInit (void (task)(void pd), void pdata, OS_STK *ptos,`
	`INT16U opt)`
`{`	`{`
`OS_STK *stk;`	`OS_STK *stk;`
`OS_STK *fp;`	`OS_STK *fp;`

`#ifdef DEBUG`	`#ifdef DEBUG`
`printf("\nCreating Stack at %x for task %x", ptos, task);`	`printf("\nCreating Stack at %x for task %x", ptos, task);`
`#endif`	`#endif`

`opt = opt; /* 'opt' is not used, prevent warning */`	`opt = opt; /* 'opt' is not used, prevent warning */`
`stk = ptos; /* Load stack pointer */`	`stk = ptos; /* Load stack pointer */`
	`stk -=32; /* Skip over red zone, 32 words */`
`stk--;`	`stk--;`

`stk-- = (OS_STK)(pdata); / fp+0 -> parameter 0 */`	`stk-- = (OS_STK)(pdata); / fp+0 -> parameter 0 */`
`fp = stk;`	`fp = stk;`
`stk-- = (OS_STK)fp; / sp+4 -> previous fp */`	`stk-- = (OS_STK)fp; / sp+4 -> previous fp */`