summaryrefslogtreecommitdiffstats
path: root/src/gallium/auxiliary
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/auxiliary')
-rw-r--r--src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c302
-rw-r--r--src/gallium/auxiliary/rtasm/Makefile5
-rw-r--r--src/gallium/auxiliary/rtasm/SConscript3
-rw-r--r--src/gallium/auxiliary/rtasm/rtasm_execmem.c2
-rw-r--r--src/gallium/auxiliary/util/Makefile3
-rw-r--r--src/gallium/auxiliary/util/SConscript1
-rw-r--r--src/gallium/auxiliary/util/u_mm.c (renamed from src/gallium/auxiliary/rtasm/mm.c)8
-rw-r--r--src/gallium/auxiliary/util/u_mm.h (renamed from src/gallium/auxiliary/rtasm/mm.h)12
8 files changed, 19 insertions, 317 deletions
diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c
index 969aab51b57..983a1053475 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c
+++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c
@@ -1,7 +1,6 @@
/**************************************************************************
*
* Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
- * Copyright 1999 Wittawat Yamwong
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
@@ -40,6 +39,7 @@
#include "pipe/p_debug.h"
#include "pipe/p_thread.h"
#include "pipe/p_util.h"
+#include "util/u_mm.h"
#include "pb_buffer.h"
#include "pb_bufmgr.h"
@@ -50,306 +50,6 @@
#define SUPER(__derived) (&(__derived)->base)
-struct mem_block
-{
- struct mem_block *next, *prev;
- struct mem_block *next_free, *prev_free;
- struct mem_block *heap;
- int ofs, size;
- unsigned int free:1;
- unsigned int reserved:1;
-};
-
-
-#ifdef DEBUG
-/**
- * For debugging purposes.
- */
-static void
-mmDumpMemInfo(const struct mem_block *heap)
-{
- debug_printf("Memory heap %p:\n", (void *)heap);
- if (heap == 0) {
- debug_printf(" heap == 0\n");
- } else {
- const struct mem_block *p;
-
- for(p = heap->next; p != heap; p = p->next) {
- debug_printf(" Offset:%08x, Size:%08x, %c%c\n",p->ofs,p->size,
- p->free ? 'F':'.',
- p->reserved ? 'R':'.');
- }
-
- debug_printf("\nFree list:\n");
-
- for(p = heap->next_free; p != heap; p = p->next_free) {
- debug_printf(" FREE Offset:%08x, Size:%08x, %c%c\n",p->ofs,p->size,
- p->free ? 'F':'.',
- p->reserved ? 'R':'.');
- }
-
- }
- debug_printf("End of memory blocks\n");
-}
-#endif
-
-
-/**
- * input: total size in bytes
- * return: a heap pointer if OK, NULL if error
- */
-static struct mem_block *
-mmInit(int ofs, int size)
-{
- struct mem_block *heap, *block;
-
- if (size <= 0)
- return NULL;
-
- heap = CALLOC_STRUCT(mem_block);
- if (!heap)
- return NULL;
-
- block = CALLOC_STRUCT(mem_block);
- if (!block) {
- FREE(heap);
- return NULL;
- }
-
- heap->next = block;
- heap->prev = block;
- heap->next_free = block;
- heap->prev_free = block;
-
- block->heap = heap;
- block->next = heap;
- block->prev = heap;
- block->next_free = heap;
- block->prev_free = heap;
-
- block->ofs = ofs;
- block->size = size;
- block->free = 1;
-
- return heap;
-}
-
-
-static struct mem_block *
-SliceBlock(struct mem_block *p,
- int startofs, int size,
- int reserved, int alignment)
-{
- struct mem_block *newblock;
-
- /* break left [p, newblock, p->next], then p = newblock */
- if (startofs > p->ofs) {
- newblock = CALLOC_STRUCT(mem_block);
- if (!newblock)
- return NULL;
- newblock->ofs = startofs;
- newblock->size = p->size - (startofs - p->ofs);
- newblock->free = 1;
- newblock->heap = p->heap;
-
- newblock->next = p->next;
- newblock->prev = p;
- p->next->prev = newblock;
- p->next = newblock;
-
- newblock->next_free = p->next_free;
- newblock->prev_free = p;
- p->next_free->prev_free = newblock;
- p->next_free = newblock;
-
- p->size -= newblock->size;
- p = newblock;
- }
-
- /* break right, also [p, newblock, p->next] */
- if (size < p->size) {
- newblock = CALLOC_STRUCT(mem_block);
- if (!newblock)
- return NULL;
- newblock->ofs = startofs + size;
- newblock->size = p->size - size;
- newblock->free = 1;
- newblock->heap = p->heap;
-
- newblock->next = p->next;
- newblock->prev = p;
- p->next->prev = newblock;
- p->next = newblock;
-
- newblock->next_free = p->next_free;
- newblock->prev_free = p;
- p->next_free->prev_free = newblock;
- p->next_free = newblock;
-
- p->size = size;
- }
-
- /* p = middle block */
- p->free = 0;
-
- /* Remove p from the free list:
- */
- p->next_free->prev_free = p->prev_free;
- p->prev_free->next_free = p->next_free;
-
- p->next_free = 0;
- p->prev_free = 0;
-
- p->reserved = reserved;
- return p;
-}
-
-
-/**
- * Allocate 'size' bytes with 2^align2 bytes alignment,
- * restrict the search to free memory after 'startSearch'
- * depth and back buffers should be in different 4mb banks
- * to get better page hits if possible
- * input: size = size of block
- * align2 = 2^align2 bytes alignment
- * startSearch = linear offset from start of heap to begin search
- * return: pointer to the allocated block, 0 if error
- */
-static struct mem_block *
-mmAllocMem(struct mem_block *heap, int size, int align2, int startSearch)
-{
- struct mem_block *p;
- const int mask = (1 << align2)-1;
- int startofs = 0;
- int endofs;
-
- if (!heap || align2 < 0 || size <= 0)
- return NULL;
-
- for (p = heap->next_free; p != heap; p = p->next_free) {
- assert(p->free);
-
- startofs = (p->ofs + mask) & ~mask;
- if ( startofs < startSearch ) {
- startofs = startSearch;
- }
- endofs = startofs+size;
- if (endofs <= (p->ofs+p->size))
- break;
- }
-
- if (p == heap)
- return NULL;
-
- assert(p->free);
- p = SliceBlock(p,startofs,size,0,mask+1);
-
- return p;
-}
-
-
-#if 0
-/**
- * Free block starts at offset
- * input: pointer to a heap, start offset
- * return: pointer to a block
- */
-static struct mem_block *
-mmFindBlock(struct mem_block *heap, int start)
-{
- struct mem_block *p;
-
- for (p = heap->next; p != heap; p = p->next) {
- if (p->ofs == start)
- return p;
- }
-
- return NULL;
-}
-#endif
-
-
-static INLINE int
-Join2Blocks(struct mem_block *p)
-{
- /* XXX there should be some assertions here */
-
- /* NOTE: heap->free == 0 */
-
- if (p->free && p->next->free) {
- struct mem_block *q = p->next;
-
- assert(p->ofs + p->size == q->ofs);
- p->size += q->size;
-
- p->next = q->next;
- q->next->prev = p;
-
- q->next_free->prev_free = q->prev_free;
- q->prev_free->next_free = q->next_free;
-
- FREE(q);
- return 1;
- }
- return 0;
-}
-
-
-/**
- * Free block starts at offset
- * input: pointer to a block
- * return: 0 if OK, -1 if error
- */
-static int
-mmFreeMem(struct mem_block *b)
-{
- if (!b)
- return 0;
-
- if (b->free) {
- debug_printf("block already free\n");
- return -1;
- }
- if (b->reserved) {
- debug_printf("block is reserved\n");
- return -1;
- }
-
- b->free = 1;
- b->next_free = b->heap->next_free;
- b->prev_free = b->heap;
- b->next_free->prev_free = b;
- b->prev_free->next_free = b;
-
- Join2Blocks(b);
- if (b->prev != b->heap)
- Join2Blocks(b->prev);
-
- return 0;
-}
-
-
-/**
- * destroy MM
- */
-static void
-mmDestroy(struct mem_block *heap)
-{
- struct mem_block *p;
-
- if (!heap)
- return;
-
- for (p = heap->next; p != heap; ) {
- struct mem_block *next = p->next;
- FREE(p);
- p = next;
- }
-
- FREE(heap);
-}
-
-
struct mm_pb_manager
{
struct pb_manager base;
diff --git a/src/gallium/auxiliary/rtasm/Makefile b/src/gallium/auxiliary/rtasm/Makefile
index 7c8ac607941..edfae2a204f 100644
--- a/src/gallium/auxiliary/rtasm/Makefile
+++ b/src/gallium/auxiliary/rtasm/Makefile
@@ -5,9 +5,8 @@ include $(TOP)/configs/current
LIBNAME = rtasm
DRIVER_SOURCES = \
- execmem.c \
- x86sse.c \
- mm.c
+ rtasm_execmem.c \
+ rtasm_x86sse.c
C_SOURCES = \
$(DRIVER_SOURCES)
diff --git a/src/gallium/auxiliary/rtasm/SConscript b/src/gallium/auxiliary/rtasm/SConscript
index de8456e0ca4..6eca1fe4c02 100644
--- a/src/gallium/auxiliary/rtasm/SConscript
+++ b/src/gallium/auxiliary/rtasm/SConscript
@@ -4,8 +4,7 @@ rtasm = env.ConvenienceLibrary(
target = 'rtasm',
source = [
'rtasm_execmem.c',
- 'rtasm_x86sse.c',
- 'mm.c',
+ 'rtasm_x86sse.c'
])
auxiliaries.insert(0, rtasm)
diff --git a/src/gallium/auxiliary/rtasm/rtasm_execmem.c b/src/gallium/auxiliary/rtasm/rtasm_execmem.c
index cb13db24983..9c78fa56269 100644
--- a/src/gallium/auxiliary/rtasm/rtasm_execmem.c
+++ b/src/gallium/auxiliary/rtasm/rtasm_execmem.c
@@ -46,7 +46,7 @@
#include <unistd.h>
#include <sys/mman.h>
-#include "mm.h"
+#include "util/u_mm.h"
#define EXEC_HEAP_SIZE (10*1024*1024)
diff --git a/src/gallium/auxiliary/util/Makefile b/src/gallium/auxiliary/util/Makefile
index b8cb148c4f5..7cc2aa44f96 100644
--- a/src/gallium/auxiliary/util/Makefile
+++ b/src/gallium/auxiliary/util/Makefile
@@ -7,7 +7,8 @@ LIBNAME = util
DRIVER_SOURCES = \
p_debug.c \
p_tile.c \
- p_util.c
+ p_util.c \
+ u_mm.c
C_SOURCES = \
$(DRIVER_SOURCES)
diff --git a/src/gallium/auxiliary/util/SConscript b/src/gallium/auxiliary/util/SConscript
index b126cf44d6f..4717941434f 100644
--- a/src/gallium/auxiliary/util/SConscript
+++ b/src/gallium/auxiliary/util/SConscript
@@ -6,6 +6,7 @@ util = env.ConvenienceLibrary(
'p_debug.c',
'p_tile.c',
'p_util.c',
+ 'u_mm.c',
])
auxiliaries.insert(0, util)
diff --git a/src/gallium/auxiliary/rtasm/mm.c b/src/gallium/auxiliary/util/u_mm.c
index 15f50491daf..b49ae074e0e 100644
--- a/src/gallium/auxiliary/rtasm/mm.c
+++ b/src/gallium/auxiliary/util/u_mm.c
@@ -1,5 +1,5 @@
-/*
- * GLX Hardware Device Driver common code
+/**************************************************************************
+ *
* Copyright (C) 1999 Wittawat Yamwong
*
* Permission is hereby granted, free of charge, to any person obtaining a
@@ -20,14 +20,14 @@
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
- */
+ **************************************************************************/
#include "pipe/p_compiler.h"
#include "pipe/p_util.h"
#include "pipe/p_debug.h"
-#include "mm.h"
+#include "util/u_mm.h"
void
diff --git a/src/gallium/auxiliary/rtasm/mm.h b/src/gallium/auxiliary/util/u_mm.h
index f469b18d3e6..b226b101cbe 100644
--- a/src/gallium/auxiliary/rtasm/mm.h
+++ b/src/gallium/auxiliary/util/u_mm.h
@@ -1,5 +1,5 @@
-/*
- * GLX Hardware Device Driver common code
+/**************************************************************************
+ *
* Copyright (C) 1999 Wittawat Yamwong
*
* Permission is hereby granted, free of charge, to any person obtaining a
@@ -19,17 +19,19 @@
* 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.
- */
+ *
+ **************************************************************************/
/**
+ * @file
* Memory manager code. Primarily used by device drivers to manage texture
* heaps, etc.
*/
-#ifndef MM_H
-#define MM_H
+#ifndef _U_MM_H_
+#define _U_MM_H_
struct mem_block {
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-11 09:29:13 +0000