diff options
| -rw-r--r-- | configs/default | 2 | ||||
| -rw-r--r-- | src/gallium/SConscript | 1 | ||||
| -rw-r--r-- | src/gallium/auxiliary/rtasm/Makefile | 20 | ||||
| -rw-r--r-- | src/gallium/auxiliary/rtasm/SConscript | 11 | ||||
| -rw-r--r-- | src/gallium/auxiliary/rtasm/execmem.c | 133 | ||||
| -rw-r--r-- | src/gallium/auxiliary/rtasm/execmem.h | 45 | ||||
| -rw-r--r-- | src/gallium/auxiliary/rtasm/mm.c | 283 | ||||
| -rw-r--r-- | src/gallium/auxiliary/rtasm/mm.h | 89 | ||||
| -rw-r--r-- | src/gallium/auxiliary/rtasm/x86sse.c | 1195 | ||||
| -rw-r--r-- | src/gallium/auxiliary/rtasm/x86sse.h | 256 |
10 files changed, 2034 insertions, 1 deletions
diff --git a/configs/default b/configs/default index 7f659725cb..c9be5ec3e3 100644 --- a/configs/default +++ b/configs/default @@ -68,7 +68,7 @@ PROGRAM_DIRS = demos redbook samples glsl xdemos # Gallium directories and -GALLIUM_AUXILIARY_DIRS = draw cso_cache pipebuffer tgsi util +GALLIUM_AUXILIARY_DIRS = draw cso_cache pipebuffer tgsi rtasm util GALLIUM_AUXILIARIES = $(foreach DIR,$(GALLIUM_AUXILIARY_DIRS),$(TOP)/src/gallium/auxiliary/$(DIR)/lib$(DIR).a) GALLIUM_DRIVER_DIRS = softpipe i915simple i965simple failover GALLIUM_DRIVERS = $(foreach DIR,$(GALLIUM_DRIVER_DIRS),$(TOP)/src/gallium/drivers/$(DIR)/lib$(DIR).a) diff --git a/src/gallium/SConscript b/src/gallium/SConscript index c505eee792..a08b4b830e 100644 --- a/src/gallium/SConscript +++ b/src/gallium/SConscript @@ -10,6 +10,7 @@ Export('auxiliaries') SConscript([ # NOTE: order matters! 'auxiliary/util/SConscript', + 'auxiliary/rtasm/SConscript', 'auxiliary/tgsi/SConscript', 'auxiliary/cso_cache/SConscript', 'auxiliary/draw/SConscript', diff --git a/src/gallium/auxiliary/rtasm/Makefile b/src/gallium/auxiliary/rtasm/Makefile new file mode 100644 index 0000000000..b3b9934e10 --- /dev/null +++ b/src/gallium/auxiliary/rtasm/Makefile @@ -0,0 +1,20 @@ + +TOP = ../../../.. +include $(TOP)/configs/current + +LIBNAME = rtasm + +DRIVER_SOURCES = \ + x86sse.c \ + mm.c \ + execmem.c + +C_SOURCES = \ + $(DRIVER_SOURCES) + +ASM_SOURCES = + +include ../../Makefile.template + +symlinks: + diff --git a/src/gallium/auxiliary/rtasm/SConscript b/src/gallium/auxiliary/rtasm/SConscript new file mode 100644 index 0000000000..c5b1551786 --- /dev/null +++ b/src/gallium/auxiliary/rtasm/SConscript @@ -0,0 +1,11 @@ +Import('*') + +rtasm = env.ConvenienceLibrary( + target = 'rtasm', + source = [ + 'x86sse.c', + 'mm.c', + 'execmem.c', + ]) + +auxiliaries.insert(0, rtasm) diff --git a/src/gallium/auxiliary/rtasm/execmem.c b/src/gallium/auxiliary/rtasm/execmem.c new file mode 100644 index 0000000000..c7c35f7ef2 --- /dev/null +++ b/src/gallium/auxiliary/rtasm/execmem.c @@ -0,0 +1,133 @@ +/************************************************************************** + * + * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. + * + * 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, sublicense, + * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL 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. + * + **************************************************************************/ + + +/** + * \file exemem.c + * Functions for allocating executable memory. + * + * \author Keith Whitwell + */ + + +#include "pipe/p_compiler.h" +#include "pipe/p_thread.h" + +#include "execmem.h" + + +#if defined(__linux__) + +/* + * Allocate a large block of memory which can hold code then dole it out + * in pieces by means of the generic memory manager code. +*/ + +#include <unistd.h> +#include <sys/mman.h> +#include "mm.h" + +#define EXEC_HEAP_SIZE (10*1024*1024) + +_glthread_DECLARE_STATIC_MUTEX(exec_mutex); + +static struct mem_block *exec_heap = NULL; +static unsigned char *exec_mem = NULL; + + +static void +init_heap(void) +{ + if (!exec_heap) + exec_heap = mmInit( 0, EXEC_HEAP_SIZE ); + + if (!exec_mem) + exec_mem = (unsigned char *) mmap(0, EXEC_HEAP_SIZE, + PROT_EXEC | PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); +} + + +void * +_mesa_exec_malloc(size_t size) +{ + struct mem_block *block = NULL; + void *addr = NULL; + + _glthread_LOCK_MUTEX(exec_mutex); + + init_heap(); + + if (exec_heap) { + size = (size + 31) & ~31; + block = mmAllocMem( exec_heap, size, 32, 0 ); + } + + if (block) + addr = exec_mem + block->ofs; + else + debug_printf("_mesa_exec_malloc failed\n"); + + _glthread_UNLOCK_MUTEX(exec_mutex); + + return addr; +} + + +void +_mesa_exec_free(void *addr) +{ + _glthread_LOCK_MUTEX(exec_mutex); + + if (exec_heap) { + struct mem_block *block = mmFindBlock(exec_heap, (unsigned char *)addr - exec_mem); + + if (block) + mmFreeMem(block); + } + + _glthread_UNLOCK_MUTEX(exec_mutex); +} + + +#else + +/* + * Just use regular memory. + */ + +void * +_mesa_exec_malloc(GLuint size) +{ + return _mesa_malloc( size ); +} + + +void +_mesa_exec_free(void *addr) +{ + _mesa_free(addr); +} + + +#endif diff --git a/src/gallium/auxiliary/rtasm/execmem.h b/src/gallium/auxiliary/rtasm/execmem.h new file mode 100644 index 0000000000..9fd4569165 --- /dev/null +++ b/src/gallium/auxiliary/rtasm/execmem.h @@ -0,0 +1,45 @@ +/************************************************************************** + * + * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. + * + * 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, sublicense, + * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL 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. + * + **************************************************************************/ + +/** + * \file exemem.c + * Functions for allocating executable memory. + * + * \author Keith Whitwell + */ + +#ifndef _EXECMEM_H_ +#define _EXECMEM_H_ + +#include "pipe/p_compiler.h" + + +extern void * +_mesa_exec_malloc( size_t size ); + + +extern void +_mesa_exec_free( void *addr ); + + +#endif diff --git a/src/gallium/auxiliary/rtasm/mm.c b/src/gallium/auxiliary/rtasm/mm.c new file mode 100644 index 0000000000..15f50491da --- /dev/null +++ b/src/gallium/auxiliary/rtasm/mm.c @@ -0,0 +1,283 @@ +/* + * GLX Hardware Device Driver common code + * Copyright (C) 1999 Wittawat Yamwong + * + * 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, sublicense, + * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL + * WITTAWAT YAMWONG, OR ANY OTHER CONTRIBUTORS 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 "pipe/p_compiler.h" +#include "pipe/p_util.h" +#include "pipe/p_debug.h" + +#include "mm.h" + + +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"); +} + +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; +} + + +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; +} + + +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; +} + + +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; +} + +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; +} + + +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); +} diff --git a/src/gallium/auxiliary/rtasm/mm.h b/src/gallium/auxiliary/rtasm/mm.h new file mode 100644 index 0000000000..f469b18d3e --- /dev/null +++ b/src/gallium/auxiliary/rtasm/mm.h @@ -0,0 +1,89 @@ +/* + * GLX Hardware Device Driver common code + * Copyright (C) 1999 Wittawat Yamwong + * + * 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, sublicense, + * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL + * KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS 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. + */ + + +/** + * Memory manager code. Primarily used by device drivers to manage texture + * heaps, etc. + */ + + +#ifndef MM_H +#define MM_H + + +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; +}; + + + +/** + * input: total size in bytes + * return: a heap pointer if OK, NULL if error + */ +extern struct mem_block *mmInit(int ofs, int size); + +/** + * 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 + */ +extern struct mem_block *mmAllocMem(struct mem_block *heap, int size, int align2, + int startSearch); + +/** + * Free block starts at offset + * input: pointer to a block + * return: 0 if OK, -1 if error + */ +extern int mmFreeMem(struct mem_block *b); + +/** + * Free block starts at offset + * input: pointer to a heap, start offset + * return: pointer to a block + */ +extern struct mem_block *mmFindBlock(struct mem_block *heap, int start); + +/** + * destroy MM + */ +extern void mmDestroy(struct mem_block *mmInit); + +/** + * For debuging purpose. + */ +extern void mmDumpMemInfo(const struct mem_block *mmInit); + +#endif diff --git a/src/gallium/auxiliary/rtasm/x86sse.c b/src/gallium/auxiliary/rtasm/x86sse.c new file mode 100644 index 0000000000..fff6f77a6b --- /dev/null +++ b/src/gallium/auxiliary/rtasm/x86sse.c @@ -0,0 +1,1195 @@ +#if defined(__i386__) || defined(__386__) + +#include "pipe/p_compiler.h" +#include "pipe/p_debug.h" + +#include "x86sse.h" + +#define DISASSEM 0 +#define X86_TWOB 0x0f + +static unsigned char *cptr( void (*label)() ) +{ + return (unsigned char *)(unsigned long)label; +} + + +static void do_realloc( struct x86_function *p ) +{ + if (p->size == 0) { + p->size = 1024; + p->store = _mesa_exec_malloc(p->size); + p->csr = p->store; + } + else { + unsigned used = p->csr - p->store; + unsigned char *tmp = p->store; + p->size *= 2; + p->store = _mesa_exec_malloc(p->size); + memcpy(p->store, tmp, used); + p->csr = p->store + used; + _mesa_exec_free(tmp); + } +} + +/* Emit bytes to the instruction stream: + */ +static unsigned char *reserve( struct x86_function *p, int bytes ) +{ + if (p->csr + bytes - p->store > p->size) + do_realloc(p); + + { + unsigned char *csr = p->csr; + p->csr += bytes; + return csr; + } +} + + + +static void emit_1b( struct x86_function *p, char b0 ) +{ + char *csr = (char *)reserve(p, 1); + *csr = b0; +} + +static void emit_1i( struct x86_function *p, int i0 ) +{ + int *icsr = (int *)reserve(p, sizeof(i0)); + *icsr = i0; +} + +static void emit_1ub( struct x86_function *p, unsigned char b0 ) +{ + unsigned char *csr = reserve(p, 1); + *csr++ = b0; +} + +static void emit_2ub( struct x86_function *p, unsigned char b0, unsigned char b1 ) +{ + unsigned char *csr = reserve(p, 2); + *csr++ = b0; + *csr++ = b1; +} + +static void emit_3ub( struct x86_function *p, unsigned char b0, unsigned char b1, unsigned char b2 ) +{ + unsigned char *csr = reserve(p, 3); + *csr++ = b0; + *csr++ = b1; + *csr++ = b2; +} + + +/* Build a modRM byte + possible displacement. No treatment of SIB + * indexing. BZZT - no way to encode an absolute address. + */ +static void emit_modrm( struct x86_function *p, + struct x86_reg reg, + struct x86_reg regmem ) +{ + unsigned char val = 0; + + assert(reg.mod == mod_REG); + + val |= regmem.mod << 6; /* mod field */ + val |= reg.idx << 3; /* reg field */ + val |= regmem.idx; /* r/m field */ + + emit_1ub(p, val); + + /* Oh-oh we've stumbled into the SIB thing. + */ + if (regmem.file == file_REG32 && + regmem.idx == reg_SP) { + emit_1ub(p, 0x24); /* simplistic! */ + } + + switch (regmem.mod) { + case mod_REG: + case mod_INDIRECT: + break; + case mod_DISP8: + emit_1b(p, regmem.disp); + break; + case mod_DISP32: + emit_1i(p, regmem.disp); + break; + default: + assert(0); + break; + } +} + + +static void emit_modrm_noreg( struct x86_function *p, + unsigned op, + struct x86_reg regmem ) +{ + struct x86_reg dummy = x86_make_reg(file_REG32, op); + emit_modrm(p, dummy, regmem); +} + +/* Many x86 instructions have two opcodes to cope with the situations + * where the destination is a register or memory reference + * respectively. This function selects the correct opcode based on + * the arguments presented. + */ +static void emit_op_modrm( struct x86_function *p, + unsigned char op_dst_is_reg, + unsigned char op_dst_is_mem, + struct x86_reg dst, + struct x86_reg src ) +{ + switch (dst.mod) { + case mod_REG: + emit_1ub(p, op_dst_is_reg); + emit_modrm(p, dst, src); + break; + case mod_INDIRECT: + case mod_DISP32: + case mod_DISP8: + assert(src.mod == mod_REG); + emit_1ub(p, op_dst_is_mem); + emit_modrm(p, src, dst); + break; + default: + assert(0); + break; + } +} + + + + + + + +/* Create and manipulate registers and regmem values: + */ +struct x86_reg x86_make_reg( enum x86_reg_file file, + enum x86_reg_name idx ) +{ + struct x86_reg reg; + + reg.file = file; + reg.idx = idx; + reg.mod = mod_REG; + reg.disp = 0; + + return reg; +} + +struct x86_reg x86_make_disp( struct x86_reg reg, + int disp ) +{ + assert(reg.file == file_REG32); + + if (reg.mod == mod_REG) + reg.disp = disp; + else + reg.disp += disp; + + if (reg.disp == 0) + reg.mod = mod_INDIRECT; + else if (reg.disp <= 127 && reg.disp >= -128) + reg.mod = mod_DISP8; + else + reg.mod = mod_DISP32; + + return reg; +} + +struct x86_reg x86_deref( struct x86_reg reg ) +{ + return x86_make_disp(reg, 0); +} + +struct x86_reg x86_get_base_reg( struct x86_reg reg ) +{ + return x86_make_reg( reg.file, reg.idx ); +} + +unsigned char *x86_get_label( struct x86_function *p ) +{ + return p->csr; +} + + + +/*********************************************************************** + * x86 instructions + */ + + +void x86_jcc( struct x86_function *p, + enum x86_cc cc, + unsigned char *label ) +{ + int offset = label - (x86_get_label(p) + 2); + + if (offset <= 127 && offset >= -128) { + emit_1ub(p, 0x70 + cc); + emit_1b(p, (char) offset); + } + else { + offset = label - (x86_get_label(p) + 6); + emit_2ub(p, 0x0f, 0x80 + cc); + emit_1i(p, offset); + } +} + +/* Always use a 32bit offset for forward jumps: + */ +unsigned char *x86_jcc_forward( struct x86_function *p, + enum x86_cc cc ) +{ + emit_2ub(p, 0x0f, 0x80 + cc); + emit_1i(p, 0); + return x86_get_label(p); +} + +unsigned char *x86_jmp_forward( struct x86_function *p) +{ + emit_1ub(p, 0xe9); + emit_1i(p, 0); + return x86_get_label(p); +} + +unsigned char *x86_call_forward( struct x86_function *p) +{ + emit_1ub(p, 0xe8); + emit_1i(p, 0); + return x86_get_label(p); +} + +/* Fixup offset from forward jump: + */ +void x86_fixup_fwd_jump( struct x86_function *p, + unsigned char *fixup ) +{ + *(int *)(fixup - 4) = x86_get_label(p) - fixup; +} + +void x86_jmp( struct x86_function *p, unsigned char *label) +{ + emit_1ub(p, 0xe9); + emit_1i(p, label - x86_get_label(p) - 4); +} + +#if 0 +/* This doesn't work once we start reallocating & copying the + * generated code on buffer fills, because the call is relative to the + * current pc. + */ +void x86_call( struct x86_function *p, void (*label)()) +{ + emit_1ub(p, 0xe8); + emit_1i(p, cptr(label) - x86_get_label(p) - 4); +} +#else +void x86_call( struct x86_function *p, struct x86_reg reg) +{ + emit_1ub(p, 0xff); + emit_modrm(p, reg, reg); +} +#endif + + +/* michal: + * Temporary. As I need immediate operands, and dont want to mess with the codegen, + * I load the immediate into general purpose register and use it. + */ +void x86_mov_reg_imm( struct x86_function *p, struct x86_reg dst, int imm ) +{ + assert(dst.mod == mod_REG); + emit_1ub(p, 0xb8 + dst.idx); + emit_1i(p, imm); +} + +void x86_push( struct x86_function *p, + struct x86_reg reg ) +{ + assert(reg.mod == mod_REG); + emit_1ub(p, 0x50 + reg.idx); + p->stack_offset += 4; +} + +void x86_pop( struct x86_function *p, + struct x86_reg reg ) +{ + assert(reg.mod == mod_REG); + emit_1ub(p, 0x58 + reg.idx); + p->stack_offset -= 4; +} + +void x86_inc( struct x86_function *p, + struct x86_reg reg ) +{ + assert(reg.mod == mod_REG); + emit_1ub(p, 0x40 + reg.idx); +} + +void x86_dec( struct x86_function *p, + struct x86_reg reg ) +{ + assert(reg.mod == mod_REG); + emit_1ub(p, 0x48 + reg.idx); +} + +void x86_ret( struct x86_function *p ) +{ + emit_1ub(p, 0xc3); +} + +void x86_sahf( struct x86_function *p ) +{ + emit_1ub(p, 0x9e); +} + +void x86_mov( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_op_modrm( p, 0x8b, 0x89, dst, src ); +} + +void x86_xor( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_op_modrm( p, 0x33, 0x31, dst, src ); +} + +void x86_cmp( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_op_modrm( p, 0x3b, 0x39, dst, src ); +} + +void x86_lea( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_1ub(p, 0x8d); + emit_modrm( p, dst, src ); +} + +void x86_test( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_1ub(p, 0x85); + emit_modrm( p, dst, src ); +} + +void x86_add( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_op_modrm(p, 0x03, 0x01, dst, src ); +} + +void x86_mul( struct x86_function *p, + struct x86_reg src ) +{ + assert (src.file == file_REG32 && src.mod == mod_REG); + emit_op_modrm(p, 0xf7, 0, x86_make_reg (file_REG32, reg_SP), src ); +} + +void x86_sub( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_op_modrm(p, 0x2b, 0x29, dst, src ); +} + +void x86_or( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_op_modrm( p, 0x0b, 0x09, dst, src ); +} + +void x86_and( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_op_modrm( p, 0x23, 0x21, dst, src ); +} + + + +/*********************************************************************** + * SSE instructions + */ + + +void sse_movss( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_2ub(p, 0xF3, X86_TWOB); + emit_op_modrm( p, 0x10, 0x11, dst, src ); +} + +void sse_movaps( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_1ub(p, X86_TWOB); + emit_op_modrm( p, 0x28, 0x29, dst, src ); +} + +void sse_movups( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_1ub(p, X86_TWOB); + emit_op_modrm( p, 0x10, 0x11, dst, src ); +} + +void sse_movhps( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + assert(dst.mod != mod_REG || src.mod != mod_REG); + emit_1ub(p, X86_TWOB); + emit_op_modrm( p, 0x16, 0x17, dst, src ); /* cf movlhps */ +} + +void sse_movlps( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + assert(dst.mod != mod_REG || src.mod != mod_REG); + emit_1ub(p, X86_TWOB); + emit_op_modrm( p, 0x12, 0x13, dst, src ); /* cf movhlps */ +} + +void sse_maxps( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_2ub(p, X86_TWOB, 0x5F); + emit_modrm( p, dst, src ); +} + +void sse_maxss( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_3ub(p, 0xF3, X86_TWOB, 0x5F); + emit_modrm( p, dst, src ); +} + +void sse_divss( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_3ub(p, 0xF3, X86_TWOB, 0x5E); + emit_modrm( p, dst, src ); +} + +void sse_minps( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_2ub(p, X86_TWOB, 0x5D); + emit_modrm( p, dst, src ); +} + +void sse_subps( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_2ub(p, X86_TWOB, 0x5C); + emit_modrm( p, dst, src ); +} + +void sse_mulps( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_2ub(p, X86_TWOB, 0x59); + emit_modrm( p, dst, src ); +} + +void sse_mulss( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_3ub(p, 0xF3, X86_TWOB, 0x59); + emit_modrm( p, dst, src ); +} + +void sse_addps( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_2ub(p, X86_TWOB, 0x58); + emit_modrm( p, dst, src ); +} + +void sse_addss( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_3ub(p, 0xF3, X86_TWOB, 0x58); + emit_modrm( p, dst, src ); +} + +void sse_andnps( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_2ub(p, X86_TWOB, 0x55); + emit_modrm( p, dst, src ); +} + +void sse_andps( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_2ub(p, X86_TWOB, 0x54); + emit_modrm( p, dst, src ); +} + +void sse_rsqrtps( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_2ub(p, X86_TWOB, 0x52); + emit_modrm( p, dst, src ); +} + +void sse_rsqrtss( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_3ub(p, 0xF3, X86_TWOB, 0x52); + emit_modrm( p, dst, src ); + +} + +void sse_movhlps( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + assert(dst.mod == mod_REG && src.mod == mod_REG); + emit_2ub(p, X86_TWOB, 0x12); + emit_modrm( p, dst, src ); +} + +void sse_movlhps( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + assert(dst.mod == mod_REG && src.mod == mod_REG); + emit_2ub(p, X86_TWOB, 0x16); + emit_modrm( p, dst, src ); +} + +void sse_orps( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_2ub(p, X86_TWOB, 0x56); + emit_modrm( p, dst, src ); +} + +void sse_xorps( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_2ub(p, X86_TWOB, 0x57); + emit_modrm( p, dst, src ); +} + +void sse_cvtps2pi( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + assert(dst.file == file_MMX && + (src.file == file_XMM || src.mod != mod_REG)); + + p->need_emms = 1; + + emit_2ub(p, X86_TWOB, 0x2d); + emit_modrm( p, dst, src ); +} + + +/* Shufps can also be used to implement a reduced swizzle when dest == + * arg0. + */ +void sse_shufps( struct x86_function *p, + struct x86_reg dest, + struct x86_reg arg0, + unsigned char shuf) +{ + emit_2ub(p, X86_TWOB, 0xC6); + emit_modrm(p, dest, arg0); + emit_1ub(p, shuf); +} + +void sse_cmpps( struct x86_function *p, + struct x86_reg dest, + struct x86_reg arg0, + unsigned char cc) +{ + emit_2ub(p, X86_TWOB, 0xC2); + emit_modrm(p, dest, arg0); + emit_1ub(p, cc); +} + +void sse_pmovmskb( struct x86_function *p, + struct x86_reg dest, + struct x86_reg src) +{ + emit_3ub(p, 0x66, X86_TWOB, 0xD7); + emit_modrm(p, dest, src); +} + +/*********************************************************************** + * SSE2 instructions + */ + +/** + * Perform a reduced swizzle: + */ +void sse2_pshufd( struct x86_function *p, + struct x86_reg dest, + struct x86_reg arg0, + unsigned char shuf) +{ + emit_3ub(p, 0x66, X86_TWOB, 0x70); + emit_modrm(p, dest, arg0); + emit_1ub(p, shuf); +} + +void sse2_cvttps2dq( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_3ub( p, 0xF3, X86_TWOB, 0x5B ); + emit_modrm( p, dst, src ); +} + +void sse2_cvtps2dq( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_3ub(p, 0x66, X86_TWOB, 0x5B); + emit_modrm( p, dst, src ); +} + +void sse2_packssdw( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_3ub(p, 0x66, X86_TWOB, 0x6B); + emit_modrm( p, dst, src ); +} + +void sse2_packsswb( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_3ub(p, 0x66, X86_TWOB, 0x63); + emit_modrm( p, dst, src ); +} + +void sse2_packuswb( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_3ub(p, 0x66, X86_TWOB, 0x67); + emit_modrm( p, dst, src ); +} + +void sse2_rcpps( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_2ub(p, X86_TWOB, 0x53); + emit_modrm( p, dst, src ); +} + +void sse2_rcpss( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_3ub(p, 0xF3, X86_TWOB, 0x53); + emit_modrm( p, dst, src ); +} + +void sse2_movd( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + emit_2ub(p, 0x66, X86_TWOB); + emit_op_modrm( p, 0x6e, 0x7e, dst, src ); +} + + + + +/*********************************************************************** + * x87 instructions + */ +void x87_fist( struct x86_function *p, struct x86_reg dst ) +{ + emit_1ub(p, 0xdb); + emit_modrm_noreg(p, 2, dst); +} + +void x87_fistp( struct x86_function *p, struct x86_reg dst ) +{ + emit_1ub(p, 0xdb); + emit_modrm_noreg(p, 3, dst); +} + +void x87_fild( struct x86_function *p, struct x86_reg arg ) +{ + emit_1ub(p, 0xdf); + emit_modrm_noreg(p, 0, arg); +} + +void x87_fldz( struct x86_function *p ) +{ + emit_2ub(p, 0xd9, 0xee); +} + + +void x87_fldcw( struct x86_function *p, struct x86_reg arg ) +{ + assert(arg.file == file_REG32); + assert(arg.mod != mod_REG); + emit_1ub(p, 0xd9); + emit_modrm_noreg(p, 5, arg); +} + +void x87_fld1( struct x86_function *p ) +{ + emit_2ub(p, 0xd9, 0xe8); +} + +void x87_fldl2e( struct x86_function *p ) +{ + emit_2ub(p, 0xd9, 0xea); +} + +void x87_fldln2( struct x86_function *p ) +{ + emit_2ub(p, 0xd9, 0xed); +} + +void x87_fwait( struct x86_function *p ) +{ + emit_1ub(p, 0x9b); +} + +void x87_fnclex( struct x86_function *p ) +{ + emit_2ub(p, 0xdb, 0xe2); +} + +void x87_fclex( struct x86_function *p ) +{ + x87_fwait(p); + x87_fnclex(p); +} + + +static void x87_arith_op( struct x86_function *p, struct x86_reg dst, struct x86_reg arg, + unsigned char dst0ub0, + unsigned char dst0ub1, + unsigned char arg0ub0, + unsigned char arg0ub1, + unsigned char argmem_noreg) +{ + assert(dst.file == file_x87); + + if (arg.file == file_x87) { + if (dst.idx == 0) + emit_2ub(p, dst0ub0, dst0ub1+arg.idx); + else if (arg.idx == 0) + emit_2ub(p, arg0ub0, arg0ub1+arg.idx); + else + assert(0); + } + else if (dst.idx == 0) { + assert(arg.file == file_REG32); + emit_1ub(p, 0xd8); + emit_modrm_noreg(p, argmem_noreg, arg); + } + else + assert(0); +} + +void x87_fmul( struct x86_function *p, struct x86_reg dst, struct x86_reg arg ) +{ + x87_arith_op(p, dst, arg, + 0xd8, 0xc8, + 0xdc, 0xc8, + 4); +} + +void x87_fsub( struct x86_function *p, struct x86_reg dst, struct x86_reg arg ) +{ + x87_arith_op(p, dst, arg, + 0xd8, 0xe0, + 0xdc, 0xe8, + 4); +} + +void x87_fsubr( struct x86_function *p, struct x86_reg dst, struct x86_reg arg ) +{ + x87_arith_op(p, dst, arg, + 0xd8, 0xe8, + 0xdc, 0xe0, + 5); +} + +void x87_fadd( struct x86_function *p, struct x86_reg dst, struct x86_reg arg ) +{ + x87_arith_op(p, dst, arg, + 0xd8, 0xc0, + 0xdc, 0xc0, + 0); +} + +void x87_fdiv( struct x86_function *p, struct x86_reg dst, struct x86_reg arg ) +{ + x87_arith_op(p, dst, arg, + 0xd8, 0xf0, + 0xdc, 0xf8, + 6); +} + +void x87_fdivr( struct x86_function *p, struct x86_reg dst, struct x86_reg arg ) +{ + x87_arith_op(p, dst, arg, + 0xd8, 0xf8, + 0xdc, 0xf0, + 7); +} + +void x87_fmulp( struct x86_function *p, struct x86_reg dst ) +{ + assert(dst.file == file_x87); + assert(dst.idx >= 1); + emit_2ub(p, 0xde, 0xc8+dst.idx); +} + +void x87_fsubp( struct x86_function *p, struct x86_reg dst ) +{ + assert(dst.file == file_x87); + assert(dst.idx >= 1); + emit_2ub(p, 0xde, 0xe8+dst.idx); +} + +void x87_fsubrp( struct x86_function *p, struct x86_reg dst ) +{ + assert(dst.file == file_x87); + assert(dst.idx >= 1); + emit_2ub(p, 0xde, 0xe0+dst.idx); +} + +void x87_faddp( struct x86_function *p, struct x86_reg dst ) +{ + assert(dst.file == file_x87); + assert(dst.idx >= 1); + emit_2ub(p, 0xde, 0xc0+dst.idx); +} + +void x87_fdivp( struct x86_function *p, struct x86_reg dst ) +{ + assert(dst.file == file_x87); + assert(dst.idx >= 1); + emit_2ub(p, 0xde, 0xf8+dst.idx); +} + +void x87_fdivrp( struct x86_function *p, struct x86_reg dst ) +{ + assert(dst.file == file_x87); + assert(dst.idx >= 1); + emit_2ub(p, 0xde, 0xf0+dst.idx); +} + +void x87_fucom( struct x86_function *p, struct x86_reg arg ) +{ + assert(arg.file == file_x87); + emit_2ub(p, 0xdd, 0xe0+arg.idx); +} + +void x87_fucomp( struct x86_function *p, struct x86_reg arg ) +{ + assert(arg.file == file_x87); + emit_2ub(p, 0xdd, 0xe8+arg.idx); +} + +void x87_fucompp( struct x86_function *p ) +{ + emit_2ub(p, 0xda, 0xe9); +} + +void x87_fxch( struct x86_function *p, struct x86_reg arg ) +{ + assert(arg.file == file_x87); + emit_2ub(p, 0xd9, 0xc8+arg.idx); +} + +void x87_fabs( struct x86_function *p ) +{ + emit_2ub(p, 0xd9, 0xe1); +} + +void x87_fchs( struct x86_function *p ) +{ + emit_2ub(p, 0xd9, 0xe0); +} + +void x87_fcos( struct x86_function *p ) +{ + emit_2ub(p, 0xd9, 0xff); +} + + +void x87_fprndint( struct x86_function *p ) +{ + emit_2ub(p, 0xd9, 0xfc); +} + +void x87_fscale( struct x86_function *p ) +{ + emit_2ub(p, 0xd9, 0xfd); +} + +void x87_fsin( struct x86_function *p ) +{ + emit_2ub(p, 0xd9, 0xfe); +} + +void x87_fsincos( struct x86_function *p ) +{ + emit_2ub(p, 0xd9, 0xfb); +} + +void x87_fsqrt( struct x86_function *p ) +{ + emit_2ub(p, 0xd9, 0xfa); +} + +void x87_fxtract( struct x86_function *p ) +{ + emit_2ub(p, 0xd9, 0xf4); +} + +/* st0 = (2^st0)-1 + * + * Restrictions: -1.0 <= st0 <= 1.0 + */ +void x87_f2xm1( struct x86_function *p ) +{ + emit_2ub(p, 0xd9, 0xf0); +} + +/* st1 = st1 * log2(st0); + * pop_stack; + */ +void x87_fyl2x( struct x86_function *p ) +{ + emit_2ub(p, 0xd9, 0xf1); +} + +/* st1 = st1 * log2(st0 + 1.0); + * pop_stack; + * + * A fast operation, with restrictions: -.29 < st0 < .29 + */ +void x87_fyl2xp1( struct x86_function *p ) +{ + emit_2ub(p, 0xd9, 0xf9); +} + + +void x87_fld( struct x86_function *p, struct x86_reg arg ) +{ + if (arg.file == file_x87) + emit_2ub(p, 0xd9, 0xc0 + arg.idx); + else { + emit_1ub(p, 0xd9); + emit_modrm_noreg(p, 0, arg); + } +} + +void x87_fst( struct x86_function *p, struct x86_reg dst ) +{ + if (dst.file == file_x87) + emit_2ub(p, 0xdd, 0xd0 + dst.idx); + else { + emit_1ub(p, 0xd9); + emit_modrm_noreg(p, 2, dst); + } +} + +void x87_fstp( struct x86_function *p, struct x86_reg dst ) +{ + if (dst.file == file_x87) + emit_2ub(p, 0xdd, 0xd8 + dst.idx); + else { + emit_1ub(p, 0xd9); + emit_modrm_noreg(p, 3, dst); + } +} + +void x87_fcom( struct x86_function *p, struct x86_reg dst ) +{ + if (dst.file == file_x87) + emit_2ub(p, 0xd8, 0xd0 + dst.idx); + else { + emit_1ub(p, 0xd8); + emit_modrm_noreg(p, 2, dst); + } +} + +void x87_fcomp( struct x86_function *p, struct x86_reg dst ) +{ + if (dst.file == file_x87) + emit_2ub(p, 0xd8, 0xd8 + dst.idx); + else { + emit_1ub(p, 0xd8); + emit_modrm_noreg(p, 3, dst); + } +} + + +void x87_fnstsw( struct x86_function *p, struct x86_reg dst ) +{ + assert(dst.file == file_REG32); + + if (dst.idx == reg_AX && + dst.mod == mod_REG) + emit_2ub(p, 0xdf, 0xe0); + else { + emit_1ub(p, 0xdd); + emit_modrm_noreg(p, 7, dst); + } +} + + + + +/*********************************************************************** + * MMX instructions + */ + +void mmx_emms( struct x86_function *p ) +{ + assert(p->need_emms); + emit_2ub(p, 0x0f, 0x77); + p->need_emms = 0; +} + +void mmx_packssdw( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + assert(dst.file == file_MMX && + (src.file == file_MMX || src.mod != mod_REG)); + + p->need_emms = 1; + + emit_2ub(p, X86_TWOB, 0x6b); + emit_modrm( p, dst, src ); +} + +void mmx_packuswb( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + assert(dst.file == file_MMX && + (src.file == file_MMX || src.mod != mod_REG)); + + p->need_emms = 1; + + emit_2ub(p, X86_TWOB, 0x67); + emit_modrm( p, dst, src ); +} + +void mmx_movd( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + p->need_emms = 1; + emit_1ub(p, X86_TWOB); + emit_op_modrm( p, 0x6e, 0x7e, dst, src ); +} + +void mmx_movq( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + p->need_emms = 1; + emit_1ub(p, X86_TWOB); + emit_op_modrm( p, 0x6f, 0x7f, dst, src ); +} + + +/*********************************************************************** + * Helper functions + */ + + +/* Retreive a reference to one of the function arguments, taking into + * account any push/pop activity: + */ +struct x86_reg x86_fn_arg( struct x86_function *p, + unsigned arg ) +{ + return x86_make_disp(x86_make_reg(file_REG32, reg_SP), + p->stack_offset + arg * 4); /* ??? */ +} + + +void x86_init_func( struct x86_function *p ) +{ + p->size = 0; + p->store = NULL; + p->csr = p->store; +} + +void x86_init_func_size( struct x86_function *p, unsigned code_size ) +{ + p->size = code_size; + p->store = _mesa_exec_malloc(code_size); + p->csr = p->store; +} + +void x86_release_func( struct x86_function *p ) +{ + _mesa_exec_free(p->store); + p->store = NULL; + p->csr = NULL; + p->size = 0; +} + + +void (*x86_get_func( struct x86_function *p ))(void) +{ + if (DISASSEM && p->store) + _mesa_printf("disassemble %p %p\n", p->store, p->csr); + return (void (*)(void)) (unsigned long) p->store; +} + +#else + +void x86sse_dummy( void ) +{ +} + +#endif diff --git a/src/gallium/auxiliary/rtasm/x86sse.h b/src/gallium/auxiliary/rtasm/x86sse.h new file mode 100644 index 0000000000..c2aa416492 --- /dev/null +++ b/src/gallium/auxiliary/rtasm/x86sse.h @@ -0,0 +1,256 @@ + +#ifndef _X86SSE_H_ +#define _X86SSE_H_ + +#if defined(__i386__) || defined(__386__) + +/* It is up to the caller to ensure that instructions issued are + * suitable for the host cpu. There are no checks made in this module + * for mmx/sse/sse2 support on the cpu. + */ +struct x86_reg { + unsigned file:3; + unsigned idx:3; + unsigned mod:2; /* mod_REG if this is just a register */ + int disp:24; /* only +/- 23bits of offset - should be enough... */ +}; + +struct x86_function { + unsigned size; + unsigned char *store; + unsigned char *csr; + unsigned stack_offset; + int need_emms; + const char *fn; +}; + +enum x86_reg_file { + file_REG32, + file_MMX, + file_XMM, + file_x87 +}; + +/* Values for mod field of modr/m byte + */ +enum x86_reg_mod { + mod_INDIRECT, + mod_DISP8, + mod_DISP32, + mod_REG +}; + +enum x86_reg_name { + reg_AX, + reg_CX, + reg_DX, + reg_BX, + reg_SP, + reg_BP, + reg_SI, + reg_DI +}; + + +enum x86_cc { + cc_O, /* overflow */ + cc_NO, /* not overflow */ + cc_NAE, /* not above or equal / carry */ + cc_AE, /* above or equal / not carry */ + cc_E, /* equal / zero */ + cc_NE /* not equal / not zero */ +}; + +enum sse_cc { + cc_Equal, + cc_LessThan, + cc_LessThanEqual, + cc_Unordered, + cc_NotEqual, + cc_NotLessThan, + cc_NotLessThanEqual, + cc_Ordered +}; + +#define cc_Z cc_E +#define cc_NZ cc_NE + +/* Begin/end/retreive function creation: + */ + + +void x86_init_func( struct x86_function *p ); +void x86_init_func_size( struct x86_function *p, unsigned code_size ); +void x86_release_func( struct x86_function *p ); +void (*x86_get_func( struct x86_function *p ))( void ); + + + +/* Create and manipulate registers and regmem values: + */ +struct x86_reg x86_make_reg( enum x86_reg_file file, + enum x86_reg_name idx ); + +struct x86_reg x86_make_disp( struct x86_reg reg, + int disp ); + +struct x86_reg x86_deref( struct x86_reg reg ); + +struct x86_reg x86_get_base_reg( struct x86_reg reg ); + + +/* Labels, jumps and fixup: + */ +unsigned char *x86_get_label( struct x86_function *p ); + +void x86_jcc( struct x86_function *p, + enum x86_cc cc, + unsigned char *label ); + +unsigned char *x86_jcc_forward( struct x86_function *p, + enum x86_cc cc ); + +unsigned char *x86_jmp_forward( struct x86_function *p); + +unsigned char *x86_call_forward( struct x86_function *p); + +void x86_fixup_fwd_jump( struct x86_function *p, + unsigned char *fixup ); + +void x86_jmp( struct x86_function *p, unsigned char *label ); + +/* void x86_call( struct x86_function *p, void (*label)() ); */ +void x86_call( struct x86_function *p, struct x86_reg reg); + +/* michal: + * Temporary. As I need immediate operands, and dont want to mess with the codegen, + * I load the immediate into general purpose register and use it. + */ +void x86_mov_reg_imm( struct x86_function *p, struct x86_reg dst, int imm ); + + +/* Macro for sse_shufps() and sse2_pshufd(): + */ +#define SHUF(_x,_y,_z,_w) (((_x)<<0) | ((_y)<<2) | ((_z)<<4) | ((_w)<<6)) +#define SHUF_NOOP RSW(0,1,2,3) +#define GET_SHUF(swz, idx) (((swz) >> ((idx)*2)) & 0x3) + +void mmx_emms( struct x86_function *p ); +void mmx_movd( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void mmx_movq( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void mmx_packssdw( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void mmx_packuswb( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); + +void sse2_cvtps2dq( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse2_cvttps2dq( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse2_movd( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse2_packssdw( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse2_packsswb( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse2_packuswb( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse2_pshufd( struct x86_function *p, struct x86_reg dest, struct x86_reg arg0, + unsigned char shuf ); +void sse2_rcpps( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse2_rcpss( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); + +void sse_addps( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_addss( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_cvtps2pi( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_divss( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_andnps( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_andps( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_cmpps( struct x86_function *p, struct x86_reg dst, struct x86_reg src, + unsigned char cc ); +void sse_maxps( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_maxss( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_minps( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_movaps( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_movhlps( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_movhps( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_movlhps( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_movlps( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_movss( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_movups( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_mulps( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_mulss( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_orps( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_xorps( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_subps( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_rsqrtps( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_rsqrtss( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void sse_shufps( struct x86_function *p, struct x86_reg dest, struct x86_reg arg0, + unsigned char shuf ); +void sse_pmovmskb( struct x86_function *p, struct x86_reg dest, struct x86_reg src ); + +void x86_add( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void x86_and( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void x86_cmp( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void x86_dec( struct x86_function *p, struct x86_reg reg ); +void x86_inc( struct x86_function *p, struct x86_reg reg ); +void x86_lea( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void x86_mov( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void x86_mul( struct x86_function *p, struct x86_reg src ); +void x86_or( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void x86_pop( struct x86_function *p, struct x86_reg reg ); +void x86_push( struct x86_function *p, struct x86_reg reg ); +void x86_ret( struct x86_function *p ); +void x86_sub( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void x86_test( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void x86_xor( struct x86_function *p, struct x86_reg dst, struct x86_reg src ); +void x86_sahf( struct x86_function *p ); + +void x87_f2xm1( struct x86_function *p ); +void x87_fabs( struct x86_function *p ); +void x87_fadd( struct x86_function *p, struct x86_reg dst, struct x86_reg arg ); +void x87_faddp( struct x86_function *p, struct x86_reg dst ); +void x87_fchs( struct x86_function *p ); +void x87_fclex( struct x86_function *p ); +void x87_fcom( struct x86_function *p, struct x86_reg dst ); +void x87_fcomp( struct x86_function *p, struct x86_reg dst ); +void x87_fcos( struct x86_function *p ); +void x87_fdiv( struct x86_function *p, struct x86_reg dst, struct x86_reg arg ); +void x87_fdivp( struct x86_function *p, struct x86_reg dst ); +void x87_fdivr( struct x86_function *p, struct x86_reg dst, struct x86_reg arg ); +void x87_fdivrp( struct x86_function *p, struct x86_reg dst ); +void x87_fild( struct x86_function *p, struct x86_reg arg ); +void x87_fist( struct x86_function *p, struct x86_reg dst ); +void x87_fistp( struct x86_function *p, struct x86_reg dst ); +void x87_fld( struct x86_function *p, struct x86_reg arg ); +void x87_fld1( struct x86_function *p ); +void x87_fldcw( struct x86_function *p, struct x86_reg arg ); +void x87_fldl2e( struct x86_function *p ); +void x87_fldln2( struct x86_function *p ); +void x87_fldz( struct x86_function *p ); +void x87_fmul( struct x86_function *p, struct x86_reg dst, struct x86_reg arg ); +void x87_fmulp( struct x86_function *p, struct x86_reg dst ); +void x87_fnclex( struct x86_function *p ); +void x87_fprndint( struct x86_function *p ); +void x87_fscale( struct x86_function *p ); +void x87_fsin( struct x86_function *p ); +void x87_fsincos( struct x86_function *p ); +void x87_fsqrt( struct x86_function *p ); +void x87_fst( struct x86_function *p, struct x86_reg dst ); +void x87_fstp( struct x86_function *p, struct x86_reg dst ); +void x87_fsub( struct x86_function *p, struct x86_reg dst, struct x86_reg arg ); +void x87_fsubp( struct x86_function *p, struct x86_reg dst ); +void x87_fsubr( struct x86_function *p, struct x86_reg dst, struct x86_reg arg ); +void x87_fsubrp( struct x86_function *p, struct x86_reg dst ); +void x87_fxch( struct x86_function *p, struct x86_reg dst ); +void x87_fxtract( struct x86_function *p ); +void x87_fyl2x( struct x86_function *p ); +void x87_fyl2xp1( struct x86_function *p ); +void x87_fwait( struct x86_function *p ); +void x87_fnstsw( struct x86_function *p, struct x86_reg dst ); +void x87_fucompp( struct x86_function *p ); +void x87_fucomp( struct x86_function *p, struct x86_reg arg ); +void x87_fucom( struct x86_function *p, struct x86_reg arg ); + + + +/* Retreive a reference to one of the function arguments, taking into + * account any push/pop activity. Note - doesn't track explict + * manipulation of ESP by other instructions. + */ +struct x86_reg x86_fn_arg( struct x86_function *p, unsigned arg ); + +#endif +#endif |