From 6677e2a10b820a5ccfd375cc627b8e41453a71da Mon Sep 17 00:00:00 2001 From: Adam Jackson Date: Wed, 19 Jul 2006 16:19:25 -0400 Subject: Delete the pre-core DRM code with extreme prejudice. --- shared/via_ds.c | 390 -------------------------------------------------------- 1 file changed, 390 deletions(-) delete mode 100644 shared/via_ds.c (limited to 'shared/via_ds.c') diff --git a/shared/via_ds.c b/shared/via_ds.c deleted file mode 100644 index 35d1581e..00000000 --- a/shared/via_ds.c +++ /dev/null @@ -1,390 +0,0 @@ -/* - * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. - * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved. - * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sub license, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL - * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ -#include -#include -#include -#include -#include -#include -#include -#include - -#include "via_ds.h" -extern unsigned int VIA_DEBUG; - -set_t *via_setInit(void) -{ - int i; - set_t *set; - set = (set_t *) DRM(alloc) (sizeof(set_t), DRM_MEM_DRIVER); - for (i = 0; i < SET_SIZE; i++) { - set->list[i].free_next = i + 1; - set->list[i].alloc_next = -1; - } - set->list[SET_SIZE - 1].free_next = -1; - set->free = 0; - set->alloc = -1; - set->trace = -1; - return set; -} - -int via_setAdd(set_t * set, ITEM_TYPE item) -{ - int free = set->free; - if (free != -1) { - set->list[free].val = item; - set->free = set->list[free].free_next; - } else { - return 0; - } - set->list[free].alloc_next = set->alloc; - set->alloc = free; - set->list[free].free_next = -1; - return 1; -} - -int via_setDel(set_t * set, ITEM_TYPE item) -{ - int alloc = set->alloc; - int prev = -1; - - while (alloc != -1) { - if (set->list[alloc].val == item) { - if (prev != -1) - set->list[prev].alloc_next = - set->list[alloc].alloc_next; - else - set->alloc = set->list[alloc].alloc_next; - break; - } - prev = alloc; - alloc = set->list[alloc].alloc_next; - } - - if (alloc == -1) - return 0; - - set->list[alloc].free_next = set->free; - set->free = alloc; - set->list[alloc].alloc_next = -1; - - return 1; -} - -/* setFirst -> setAdd -> setNext is wrong */ - -int via_setFirst(set_t * set, ITEM_TYPE * item) -{ - if (set->alloc == -1) - return 0; - - *item = set->list[set->alloc].val; - set->trace = set->list[set->alloc].alloc_next; - - return 1; -} - -int via_setNext(set_t * set, ITEM_TYPE * item) -{ - if (set->trace == -1) - return 0; - - *item = set->list[set->trace].val; - set->trace = set->list[set->trace].alloc_next; - - return 1; -} - -int via_setDestroy(set_t * set) -{ - DRM(free) (set, sizeof(set_t), DRM_MEM_DRIVER); - - return 1; -} - -#define ISFREE(bptr) ((bptr)->free) - -#define PRINTF(fmt, arg...) do{}while(0) -#define fprintf(fmt, arg...) do{}while(0) - -void via_mmDumpMemInfo(memHeap_t * heap) -{ - TMemBlock *p; - - PRINTF("Memory heap %p:\n", heap); - - if (heap == 0) - PRINTF(" heap == 0\n"); - else { - p = (TMemBlock *) heap; - - while (p) { - PRINTF(" Offset:%08x, Size:%08x, %c%c\n", p->ofs, - p->size, p->free ? '.' : 'U', - p->reserved ? 'R' : '.'); - p = p->next; - } - } - - PRINTF("End of memory blocks\n"); -} - -memHeap_t *via_mmInit(int ofs, int size) -{ - PMemBlock blocks; - - if (size <= 0) - return 0; - - blocks = - (TMemBlock *) DRM(calloc) (1, sizeof(TMemBlock), DRM_MEM_DRIVER); - - if (blocks) { - blocks->ofs = ofs; - blocks->size = size; - blocks->free = 1; - return (memHeap_t *) blocks; - } else - return 0; -} - -memHeap_t *via_mmAddRange(memHeap_t * heap, int ofs, int size) -{ - PMemBlock blocks; - blocks = - (TMemBlock *) DRM(calloc) (2, sizeof(TMemBlock), DRM_MEM_DRIVER); - - if (blocks) { - blocks[0].size = size; - blocks[0].free = 1; - blocks[0].ofs = ofs; - blocks[0].next = &blocks[1]; - - /* Discontinuity - stops JoinBlock from trying to join non-adjacent - * ranges. - */ - blocks[1].size = 0; - blocks[1].free = 0; - blocks[1].ofs = ofs + size; - blocks[1].next = (PMemBlock) heap; - return (memHeap_t *) blocks; - } else - return heap; -} - -static TMemBlock *SliceBlock(TMemBlock * p, - int startofs, int size, - int reserved, int alignment) -{ - TMemBlock *newblock; - - /* break left */ - if (startofs > p->ofs) { - newblock = - (TMemBlock *) DRM(calloc) (1, sizeof(TMemBlock), - DRM_MEM_DRIVER); - newblock->ofs = startofs; - newblock->size = p->size - (startofs - p->ofs); - newblock->free = 1; - newblock->next = p->next; - p->size -= newblock->size; - p->next = newblock; - p = newblock; - } - - /* break right */ - if (size < p->size) { - newblock = - (TMemBlock *) DRM(calloc) (1, sizeof(TMemBlock), - DRM_MEM_DRIVER); - newblock->ofs = startofs + size; - newblock->size = p->size - size; - newblock->free = 1; - newblock->next = p->next; - p->size = size; - p->next = newblock; - } - - /* p = middle block */ - p->align = alignment; - p->free = 0; - p->reserved = reserved; - return p; -} - -PMemBlock via_mmAllocMem(memHeap_t * heap, int size, int align2, - int startSearch) -{ - int mask, startofs, endofs; - TMemBlock *p; - - if (!heap || align2 < 0 || size <= 0) - return NULL; - - mask = (1 << align2) - 1; - startofs = 0; - p = (TMemBlock *) heap; - - while (p) { - if (ISFREE(p)) { - startofs = (p->ofs + mask) & ~mask; - - if (startofs < startSearch) - startofs = startSearch; - - endofs = startofs + size; - - if (endofs <= (p->ofs + p->size)) - break; - } - - p = p->next; - } - - if (!p) - return NULL; - - p = SliceBlock(p, startofs, size, 0, mask + 1); - p->heap = heap; - - return p; -} - -static __inline__ int Join2Blocks(TMemBlock * p) -{ - if (p->free && p->next && p->next->free) { - TMemBlock *q = p->next; - p->size += q->size; - p->next = q->next; - DRM(free) (q, sizeof(TMemBlock), DRM_MEM_DRIVER); - - return 1; - } - - return 0; -} - -int via_mmFreeMem(PMemBlock b) -{ - TMemBlock *p, *prev; - - if (!b) - return 0; - - if (!b->heap) { - fprintf(stderr, "no heap\n"); - - return -1; - } - - p = b->heap; - prev = NULL; - - while (p && p != b) { - prev = p; - p = p->next; - } - - if (!p || p->free || p->reserved) { - if (!p) - fprintf(stderr, "block not found in heap\n"); - else if (p->free) - fprintf(stderr, "block already free\n"); - else - fprintf(stderr, "block is reserved\n"); - - return -1; - } - - p->free = 1; - Join2Blocks(p); - - if (prev) - Join2Blocks(prev); - - return 0; -} - -int via_mmReserveMem(memHeap_t * heap, int offset, int size) -{ - int endofs; - TMemBlock *p; - - if (!heap || size <= 0) - return -1; - endofs = offset + size; - p = (TMemBlock *) heap; - - while (p && p->ofs <= offset) { - if (ISFREE(p) && endofs <= (p->ofs + p->size)) { - SliceBlock(p, offset, size, 1, 1); - return 0; - } - p = p->next; - } - return -1; -} - -int via_mmFreeReserved(memHeap_t * heap, int offset) -{ - TMemBlock *p, *prev; - - if (!heap) - return -1; - - p = (TMemBlock *) heap; - prev = NULL; - - while (p && p->ofs != offset) { - prev = p; - p = p->next; - } - - if (!p || !p->reserved) - return -1; - p->free = 1; - p->reserved = 0; - Join2Blocks(p); - - if (prev) - Join2Blocks(prev); - - return 0; -} - -void via_mmDestroy(memHeap_t * heap) -{ - TMemBlock *p, *q; - - if (!heap) - return; - p = (TMemBlock *) heap; - - while (p) { - q = p->next; - DRM(free) (p, sizeof(TMemBlock), DRM_MEM_DRIVER); - p = q; - } -} -- cgit v1.2.3