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* Partially implement new VPE_STAT register.

This commit is contained in:
Ian Carmichael 1998-02-16 21:44:45 +00:00
parent b86c0dd361
commit 9c577d9a94
3 changed files with 25 additions and 12 deletions
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2
sim/mips/.Sanitize
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@ -24,7 +24,7 @@ else
lose_these_too="${r5900_files} ${lose_these_too}"
fi
sky_files="ChangeLog.sky sky-device.c sky-device.h sky-dma.c sky-dma.h"
sky_files="ChangeLog.sky sky-device.c sky-device.h sky-dma.c sky-dma.h sky-bits.h"
sky_files="$sky_files sky-engine.c sky-gpuif.c sky-gpuif.h"
sky_files="$sky_files sky-hardware.c sky-hardware.h"
sky_files="$sky_files sky-libvpe.c sky-libvpe.h sky-pke.c sky-pke.h"

33
sim/mips/sky-vu1.c
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@ -9,6 +9,9 @@
#include "sky-vu1.h"
#include "sky-libvpe.h"
#include "sky-vu.h"
#include "sky-bits.h"
#include <assert.h>
VectorUnitState vu1_state;
@ -36,24 +39,35 @@ vu1_io_read_register_window(device *me,
{
/* Slow and crappy hack ... */
int i;
char source_buffer[VU1_REGISTER_WINDOW_SIZE];
char* src;
assert(nr_bytes == 1 || nr_bytes == 2 || nr_bytes == 4 || nr_bytes == 8 || nr_bytes == 16);
memcpy(source_buffer, &vu1_state.regs.VF[0][0], 0x200); /* copy VF registers */
for (i = 0; i<16; i++ ) {
*(short*)&source_buffer[0x200 + i*16] = vu1_state.regs.VI[i];
}
*(u_long*)&source_buffer[VU1_MST - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MST;
*(u_long*)&source_buffer[VU1_MMC - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MMC;
*(u_long*)&source_buffer[VU1_MCP - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MCP;
*(u_long*)&source_buffer[VU1_MR - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MR;
*(u_long*)&source_buffer[VU1_MI - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MI;
*(u_long*)&source_buffer[VU1_MQ - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MQ;
*(u_long*)&source_buffer[VU1_MP - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MP;
*(u_long*)&source_buffer[VU1_MTPC - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MTPC;
*(VpeStat*)&source_buffer[VPE1_STAT - VU1_REGISTER_WINDOW_START] = vu1_state.regs.VPE_STAT;
*(u_long*)&source_buffer[VU1_MST - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MST;
*(u_long*)&source_buffer[VU1_MMC - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MMC;
*(u_long*)&source_buffer[VU1_MCP - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MCP;
*(u_long*)&source_buffer[VU1_MR - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MR;
*(u_long*)&source_buffer[VU1_MI - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MI;
*(u_long*)&source_buffer[VU1_MQ - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MQ;
*(u_long*)&source_buffer[VU1_MP - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MP;
*(u_long*)&source_buffer[VU1_MTPC - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MTPC;
{
u_long stat;
stat = 0;
if (vu1_state.runState == VU_RUN || vu1_state.runState == VU_BREAK)
SET_BIT(stat, VPU_STAT_VBS1_BIT);
*(u_long*)&source_buffer[VPE1_STAT - VU1_REGISTER_WINDOW_START] = stat;
}
#if 0
printf("%s: Read: %x, %d, dest: %x, space: %d, %x!\n", me->name, (int)addr, nr_bytes, (int)dest, space, *(int*)&(vu1_state.regs.VPE_STAT));
@ -84,7 +98,6 @@ vu1_io_write_register_window(device *me,
if (addr == VPE1_STAT && nr_bytes == 4) {
/* Magic to switch VU to run state, until other methods are available. */
vu1_state.runState = VU_RUN;
vu1_state.regs.VPE_STAT.vbs = 1;
vu1_state.junk.eflag = 0;
vu1_state.junk.peflag = 0;
/*printf("Magic start run...\n");*/

2
sim/mips/sky-vu1.h
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@ -7,9 +7,9 @@
#include "sim-main.h"
void vu1_attach(SIM_DESC sd);
void vu1_issue(void);
void vu1_init(SIM_DESC sd);
int vu1_status(void);
#define VU1_MEM0_WINDOW_START 0x11008000
#define VU1_MEM0_SIZE 0x4000 /* 16K = 16384 */