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Fixed setup_context and removed unused extctx 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7020 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
utzig 2014-07-08 19:03:04 +00:00
parent 4a9ae2565a
commit c4eab50690
1 changed files with 8 additions and 34 deletions
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42
os/nil/ports/AVR/nilcore.h
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@ -137,31 +137,6 @@ typedef uint16_t systime_t;
*/
typedef uint8_t stkalign_t;
/**
* @brief Interrupt saved context.
* @details This structure represents the stack frame saved during a
* preemption-capable interrupt handler.
*/
struct port_extctx {
uint8_t _next;
uint8_t r31;
uint8_t r30;
uint8_t r27;
uint8_t r26;
uint8_t r25;
uint8_t r24;
uint8_t r23;
uint8_t r22;
uint8_t r21;
uint8_t r20;
uint8_t r19;
uint8_t r18;
uint8_t sr;
uint8_t r1;
uint8_t r0;
uint16_t pc;
};
/**
* @brief System saved context.
* @details This structure represents the inner stack frame during a context
@ -203,14 +178,14 @@ struct port_intctx {
* by an @p port_intctx structure.
*/
#define PORT_SETUP_CONTEXT(tp, wend, pf, arg) { \
(tp)->ctxp.sp = (struct port_intctx*)(((uint8_t *)(wend)) - \
sizeof(struct port_intctx)); \
(tp)->ctxp.sp->r2 = (uint8_t)(pf); \
(tp)->ctxp.sp->r3 = (uint8_t)((pf) >> 8); \
(tp)->ctxp.sp->r4 = (uint8_t)(arg); \
(tp)->ctxp.sp->r5 = (uint8_t)((arg) >> 8); \
(tp)->ctxp.sp->pcl = (uint8_t)(_port_thread_start >> 8); \
(tp)->ctxp.sp->pch = (uint8_t)_port_thread_start; \
(tp)->ctxp = (struct port_intctx*)(((uint8_t *)(wend)) - \
sizeof(struct port_intctx)); \
(tp)->ctxp->r2 = (int)pf; \
(tp)->ctxp->r3 = (int)pf >> 8; \
(tp)->ctxp->r4 = (int)arg; \
(tp)->ctxp->r5 = (int)arg >> 8; \
(tp)->ctxp->pcl = (int)_port_thread_start >> 8; \
(tp)->ctxp->pch = (int)_port_thread_start; \
}
/**
@ -218,7 +193,6 @@ struct port_intctx {
* @note There is no need to perform alignments in this macro.
*/
#define PORT_WA_SIZE(n) ((sizeof(struct port_intctx) - 1) + \
(sizeof(struct port_extctx) - 1) + \
(n) + (PORT_INT_REQUIRED_STACK))
/**