61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
#include "global.h"
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#define _osVirtualToPhysical(ptr) \
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if (ptr != NULL) { \
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ptr = (void*)osVirtualToPhysical(ptr); \
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}
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static OSTask sTmpTask;
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OSTask* _VirtualToPhysicalTask(OSTask* intp) {
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OSTask* tp = &sTmpTask;
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bcopy(intp, tp, sizeof(OSTask));
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_osVirtualToPhysical(tp->t.ucode);
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_osVirtualToPhysical(tp->t.ucode_data);
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_osVirtualToPhysical(tp->t.dram_stack);
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_osVirtualToPhysical(tp->t.output_buff);
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_osVirtualToPhysical(tp->t.output_buff_size);
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_osVirtualToPhysical(tp->t.data_ptr);
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_osVirtualToPhysical(tp->t.yield_data_ptr);
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return tp;
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}
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void osSpTaskLoad(OSTask* intp) {
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OSTask* tp = _VirtualToPhysicalTask(intp);
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if (tp->t.flags & OS_TASK_YIELDED) {
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tp->t.ucode_data = tp->t.yield_data_ptr;
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tp->t.ucode_data_size = tp->t.yield_data_size;
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intp->t.flags &= ~OS_TASK_YIELDED;
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if (tp->t.flags & OS_TASK_LOADABLE) {
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tp->t.ucode = HW_REG((u32)intp->t.yield_data_ptr + OS_YIELD_DATA_SIZE - 4, u32);
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}
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}
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osWritebackDCache(tp, sizeof(OSTask));
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__osSpSetStatus(SP_CLR_SIG0 | SP_CLR_SIG1 | SP_CLR_SIG2 | SP_SET_INTR_BREAK);
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while (__osSpSetPc((void*)SP_IMEM_START) == -1) {
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;
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}
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while (__osSpRawStartDma(1, (void*)(SP_IMEM_START - sizeof(*tp)), tp, sizeof(OSTask)) == -1) {
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;
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}
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while (__osSpDeviceBusy()) {
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;
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}
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while (__osSpRawStartDma(1, (void*)SP_IMEM_START, tp->t.ucode_boot, tp->t.ucode_boot_size) == -1) {
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;
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}
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}
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void osSpTaskStartGo(OSTask* tp) {
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while (__osSpDeviceBusy()) {
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;
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}
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__osSpSetStatus(SP_SET_INTR_BREAK | SP_CLR_SSTEP | SP_CLR_BROKE | SP_CLR_HALT);
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}
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