00001 #include <stdio.h>
00002 #include <stdlib.h>
00003 #include "CellDmaManager.h"
00004
00013 void
00014 CellDmaManager::dma_load(void *buf, uint32 addr, uint32 size, uint32 mask)
00015 {
00016 if (size == 0) return ;
00017 mfc_get((volatile void *)buf, addr, size, mask, 0, 0);
00018 }
00019
00028 void
00029 CellDmaManager::dma_store(void *buf, uint32 addr, uint32 size, uint32 mask)
00030 {
00031 if (size == 0) return ;
00032 mfc_put((volatile void *)buf, addr, size, mask, 0, 0);
00033 }
00034
00040 void
00041 CellDmaManager::start_dmawait_profile()
00042 {
00043 wait_time = spu_readch(SPU_RdDec);
00044 global_busy_time += busy_time - wait_time;
00045 spu_writech(SPU_WrDec, 0xffffffff);
00046 }
00047
00048 void
00049 CellDmaManager::end_dmawait_profile()
00050 {
00051 wait_time = spu_readch(SPU_RdDec);
00052 global_wait_time += 0xffffffff - wait_time;
00053 busy_time = wait_time;
00054 }
00055
00056 void
00057 CellDmaManager::show_dma_wait(int cpu)
00058 {
00059
00060 printf("spu%d: global_wait_time = %lld\n",cpu, global_wait_time);
00061 printf("spu%d: global_busy_time = %lld\n",cpu, global_busy_time);
00062 printf("spu%d: busy_ratio = %g%%\n",cpu,
00063 ((double)global_busy_time)/((double)(global_busy_time+global_wait_time))*100.0);
00064 }
00065
00066 void
00067 CellDmaManager::dma_wait(uint32 mask)
00068 {
00069 #ifdef SPU_PROFILE
00070 start_dmawait_profile();
00071 #endif
00072 mfc_write_tag_mask(1 << mask);
00073 mfc_write_tag_update_all();
00074 mfc_read_tag_status();
00075 #ifdef SPU_PROFILE
00076 end_dmawait_profile();
00077 #endif
00078 }
00079
00080 void
00081 CellDmaManager::mail_write(uint32 data)
00082 {
00083 spu_write_out_mbox(data);
00084 }
00085
00086 unsigned int
00087 CellDmaManager::mail_read(void)
00088 {
00089 unsigned int mail = spu_read_in_mbox();
00090 return mail;
00091 }
00092
00093 void
00094 CellDmaManager::dma_loadList(ListDataPtr list, void *buff, uint32 mask)
00095 {
00096 mfc_getl(buff, 0, list->element, sizeof(mfc_list_element_t)*list->length,
00097 mask, 0, 0);
00098 }
00099
00100 void
00101 CellDmaManager::dma_storeList(ListDataPtr list, void *buff, uint32 mask)
00102 {
00103 mfc_putl(buff, 0, list->element, sizeof(mfc_list_element_t)*list->length,
00104 mask, 0, 0);
00105 }
