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author | bunnei <bunneidev@gmail.com> | 2014-10-08 00:56:40 +0200 |
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committer | bunnei <bunneidev@gmail.com> | 2014-10-25 20:11:41 +0200 |
commit | 818ba32746072af65a7b5ac0f1712bde3388f641 (patch) | |
tree | e11104887d1a680e3aa33bddc4ad3ca764ead696 /src/core/arm/interpreter/mmu/wb.cpp | |
parent | ARM: Removed unused armos code from SkyEye. (diff) | |
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Diffstat (limited to 'src/core/arm/interpreter/mmu/wb.cpp')
-rw-r--r-- | src/core/arm/interpreter/mmu/wb.cpp | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/src/core/arm/interpreter/mmu/wb.cpp b/src/core/arm/interpreter/mmu/wb.cpp deleted file mode 100644 index 5ddda41ee..000000000 --- a/src/core/arm/interpreter/mmu/wb.cpp +++ /dev/null @@ -1,149 +0,0 @@ -#include "core/arm/skyeye_common/armdefs.h" - -/* wb_init - * @wb_t :wb_t to init - * @num :num of entrys - * @nb :num of byte of each entry - * - * $ -1:error - * 0:ok - * */ -int -mmu_wb_init (wb_s * wb_t, int num, int nb) -{ - int i; - wb_entry_t *entrys, *wb; - - entrys = (wb_entry_t *) malloc (sizeof (*entrys) * num); - if (entrys == NULL) { - ERROR_LOG(ARM11, "malloc size %d\n", sizeof (*entrys) * num); - goto entrys_malloc_error; - } - - for (wb = entrys, i = 0; i < num; i++, wb++) { - /*chy 2004-06-06, fix bug found by wenye@cs.ucsb.edu */ - //wb->data = (ARMword *)malloc(sizeof(ARMword) * nb); - wb->data = (ARMbyte *) malloc (nb); - if (wb->data == NULL) { - ERROR_LOG(ARM11, "malloc size of %d\n", nb); - goto data_malloc_error; - } - - }; - - wb_t->first = wb_t->last = wb_t->used = 0; - wb_t->num = num; - wb_t->nb = nb; - wb_t->entrys = entrys; - return 0; - - data_malloc_error: - while (--i >= 0) - free (entrys[i].data); - free (entrys); - entrys_malloc_error: - return -1; -}; - -/* wb_exit - * @wb_t :wb_t to exit - * */ -void -mmu_wb_exit (wb_s * wb_t) -{ - int i; - wb_entry_t *wb; - - wb = wb_t->entrys; - for (i = 0; i < wb_t->num; i++, wb++) { - free (wb->data); - } - free (wb_t->entrys); -}; - -/* wb_write_words :put words in Write Buffer - * @state: ARMul_State - * @wb_t: write buffer - * @pa: physical address - * @data: data ptr - * @n number of word to write - * - * Note: write buffer merge is not implemented, can be done late - * */ -void -mmu_wb_write_bytes (ARMul_State * state, wb_s * wb_t, ARMword pa, - ARMbyte * data, int n) -{ - int i; - wb_entry_t *wb; - - while (n) { - if (wb_t->num == wb_t->used) { - /*clean the last wb entry */ - ARMword t; - - wb = &wb_t->entrys[wb_t->last]; - t = wb->pa; - for (i = 0; i < wb->nb; i++) { - //mem_write_byte (state, t, wb->data[i]); - bus_write(8, t, wb->data[i]); - //t += WORD_SIZE; - t++; - } - wb_t->last++; - if (wb_t->last == wb_t->num) - wb_t->last = 0; - wb_t->used--; - } - - wb = &wb_t->entrys[wb_t->first]; - i = (n < wb_t->nb) ? n : wb_t->nb; - - wb->pa = pa; - //pa += i << WORD_SHT; - pa += i; - - wb->nb = i; - //memcpy(wb->data, data, i << WORD_SHT); - memcpy (wb->data, data, i); - data += i; - n -= i; - wb_t->first++; - if (wb_t->first == wb_t->num) - wb_t->first = 0; - wb_t->used++; - }; -//teawater add for set_dirty fflash cache function 2005.07.18------------------- -#ifdef DBCT - if (!skyeye_config.no_dbct) { - tb_setdirty (state, pa, NULL); - } -#endif -//AJ2D-------------------------------------------------------------------------- -} - -/* wb_drain_all - * @wb_t wb_t to drain - * */ -void -mmu_wb_drain_all (ARMul_State * state, wb_s * wb_t) -{ - ARMword pa; - wb_entry_t *wb; - int i; - - while (wb_t->used) { - wb = &wb_t->entrys[wb_t->last]; - pa = wb->pa; - for (i = 0; i < wb->nb; i++) { - //mem_write_byte (state, pa, wb->data[i]); - bus_write(8, pa, wb->data[i]); - //pa += WORD_SIZE; - pa++; - } - wb_t->last++; - if (wb_t->last == wb_t->num) - wb_t->last = 0; - wb_t->used--; - }; -} |