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Initial pass at instruction / declaration fetch

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This commit is contained in:
Ian Romanick 2008-01-29 10:56:53 -08:00
parent 524bba17a7
commit 33cac48241
2 changed files with 23 additions and 0 deletions
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22
src/mesa/pipe/cell/spu/spu_exec.c
View file

@ -50,6 +50,9 @@
* Brian Paul
*/
#include <libmisc.h>
#include <spu_mfcio.h>
#include "pipe/p_compiler.h"
#include "pipe/p_state.h"
#include "pipe/p_util.h"
@ -57,6 +60,7 @@
#include "pipe/tgsi/util/tgsi_parse.h"
#include "pipe/tgsi/util/tgsi_util.h"
#include "spu_exec.h"
#include "spu_main.h"
#define TILE_TOP_LEFT 0
#define TILE_TOP_RIGHT 1
@ -2329,12 +2333,30 @@ spu_exec_machine_run( struct spu_exec_machine *mach )
/* execute declarations (interpolants) */
for (i = 0; i < mach->NumDeclarations; i++) {
uint8_t buffer[sizeof(struct tgsi_full_declaration) + 32] ALIGN16_ATTRIB;
struct tgsi_full_declaration decl;
unsigned long decl_addr = (unsigned long) (mach->Declarations+i);
unsigned size = ((sizeof(decl) + (decl_addr & 0x0f) + 0x0f) & ~0x0f);
mfc_get(buffer, decl_addr & ~0x0f, size, TAG_INSTRUCTION_FETCH, 0, 0);
wait_on_mask(1 << TAG_INSTRUCTION_FETCH);
memcpy(& decl, buffer + (decl_addr & 0x0f), sizeof(decl));
exec_declaration( mach, mach->Declarations+i );
}
/* execute instructions, until pc is set to -1 */
while (pc != -1) {
uint8_t buffer[sizeof(struct tgsi_full_instruction) + 32] ALIGN16_ATTRIB;
struct tgsi_full_instruction inst;
unsigned long inst_addr = (unsigned long) (mach->Instructions + pc);
unsigned size = ((sizeof(inst) + (inst_addr & 0x0f) + 0x0f) & ~0x0f);
assert(pc < mach->NumInstructions);
mfc_get(buffer, inst_addr & ~0x0f, size, TAG_INSTRUCTION_FETCH, 0, 0);
wait_on_mask(1 << TAG_INSTRUCTION_FETCH);
memcpy(& inst, buffer + (inst_addr & 0x0f), sizeof(inst));
exec_instruction( mach, mach->Instructions + pc, &pc );
}

1
src/mesa/pipe/cell/spu/spu_main.h
View file

@ -96,6 +96,7 @@ extern boolean Debug;
#define TAG_BATCH_BUFFER 17
#define TAG_MISC 18
#define TAG_TEXTURE_TILE 19
#define TAG_INSTRUCTION_FETCH 20