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dolphin/Source/DSPSpy/main_spy.cpp

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// This is a test program for running code on the Wii DSP, with full control over input
// and automatic compare with output. VERY useful for figuring out what those little
// ops actually do.
// It's very unpolished though
// Use Dolphin's dsptool to generate a new dsp_code.h.
// Originally written by duddie and modified by FIRES.
#include <gccore.h>
#include <malloc.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ogcsys.h>
#include <time.h>
#include <fat.h>
#include <fcntl.h>
#include <wiiuse/wpad.h>
#include "color.h"
#include "network.h"
#include "dsp.h"
#include "asm.h"
#include "processor.h"
#include "irq.h"
#include "dsp.h"
// Pull in some constants etc from DSPCore.
#include "../Core/DSPCore/Src/gdsp_registers.h"
// This is where the DSP binary is.
#include "dsp_code.h"
// DSPCR bits
#define DSPCR_DSPRESET 0x0800 // Reset DSP
#define DSPCR_ARDMA 0x0200 // ARAM dma in progress, if set
#define DSPCR_DSPINTMSK 0x0100 // * interrupt mask (RW)
#define DSPCR_DSPINT 0x0080 // * interrupt active (RWC)
#define DSPCR_ARINTMSK 0x0040
#define DSPCR_ARINT 0x0020
#define DSPCR_AIINTMSK 0x0010
#define DSPCR_AIINT 0x0008
#define DSPCR_HALT 0x0004 // halt DSP
#define DSPCR_PIINT 0x0002 // assert DSP PI interrupt
#define DSPCR_RES 0x0001 // reset DSP
// Used for communications with the DSP, such as dumping registers etc.
u16 dspbuffer[16 * 1024] __attribute__ ((aligned (0x4000)));
// #define ENABLE_OUT
#undef ENABLE_OUT
static void *xfb = NULL;
void (*reload)() = (void(*)())0x80001800;
GXRModeObj *rmode;
static vu16* const _dspReg = (u16*)0xCC005000;
u16 *dspbufP;
u16 *dspbufC;
u32 *dspbufU;
u16 dspreg_in[32] = {
0x0410, 0x0510, 0x0610, 0x0710, 0x0810, 0x0910, 0x0a10, 0x0b10,
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x0855, 0x0966, 0x0a77, 0x0b88,
0x0014, 0xfff5, 0x00ff, 0x2200, 0x0000, 0x0000, 0x0000, 0x0000,
0x0003, 0x0004, 0x8000, 0x000C, 0x0007, 0x0008, 0x0009, 0x000a,
}; /// ax_h_1 ax_h_1
/* ttt ?
u16 dspreg_in[32] = {
0x0e4c, 0x03c0, 0x0bd9, 0x06a3, 0x0c06, 0x0240, 0x0010, 0x0ecc,
0x0000, 0x0000, 0x0000, 0x0000, 0x0322, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x00ff, 0x1b41, 0x0000, 0x0040, 0x00ff, 0x0000,
0x1000, 0x96cc, 0x0000, 0x0000, 0x3fc0, 0x96cc, 0x0000, 0x0000,
}; */
// if i set bit 0x4000 of SR my tests crashes :(
/*
// zelda 0x00da
u16 dspreg_in[32] = {
0x0a50, 0x0ca2, 0x04f8, 0x0ab0, 0x8039, 0x0000, 0x0000, 0x0000,
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x03d1, 0x0000, 0x0418, 0x0002, // r08 must have a value ... no idea why (ector: it's the looped addressing regs)
0x0000, 0x0000, 0x00ff, 0x1804, 0xdb70, 0x4ddb, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0xde6d, 0x0000, 0x0000, 0x0000, 0x004e,
};*/
#include "mem_dump.h"
void ds_text_out(int xpos, int ypos, const char *str);
void ds_set_colour(int f, int b);
void ds_init(void *framebuffer, int xstart, int ystart, int xres, int yres, int stride);
void ds_underline(int xpos, int ypos, int len, int col);
void ds_printf(int x, int y, const char *fmt, ...);
void ds_clear(void);
u16 dspreg_out[1000][32];
u32 padding[1024];
// UI (interactive register editing)
u32 ui_mode;
#define UIM_SEL 1
#define UIM_EDIT_REG 2
#define UIM_EDIT_BIN 4
// Currently selected register.
s32 cursor_reg = 0;
// Currently selected digit.
s32 small_cursor_x;
// Value currently being edited.
u16 *reg_value;
// Got regs to draw. Dunno why we need this.
volatile int regs_refreshed = false;
// Handler for DSP interrupt.
static void my__dsp_handler(u32 nIrq,void *pCtx)
{
// Acknowledge interrupt?
_dspReg[5] = (_dspReg[5]&~(DSPCR_AIINT|DSPCR_ARINT)) | DSPCR_DSPINT;
}
// When comparing regs, ignore the loop stack registers.
bool regs_equal(int reg, u16 value1, u16 value2) {
if (reg >= DSP_REG_ST0 && reg <= DSP_REG_ST3)
return true;
else
return value1 == value2;
}
void print_reg_block(int x, int y, int sel, const u16 *regs, const u16 *compare_regs)
{
for (int j = 0; j < 4 ; j++)
{
for (int i = 0; i < 8 ; i++)
{
// Do not even display the loop stack registers.
if (j != 1 || i < 4)
{
const int reg = j * 8 + i;
ds_set_colour(sel == reg ? COLOR_YELLOW : COLOR_GREEN, COLOR_BLACK);
ds_printf(x + j * 8, i + y, "%02x ", reg);
ds_set_colour(regs_equal(reg, regs[reg], compare_regs[reg]) ? COLOR_WHITE : COLOR_RED, COLOR_BLACK);
ds_printf(x + 3 + j * 8, i + y, "%04x", regs[reg]);
}
}
}
ds_set_colour(COLOR_WHITE, COLOR_BLACK);
ds_printf(x+2, y+9, "ACC0: %02x %04x %04x", regs[DSP_REG_ACH0]&0xff, regs[DSP_REG_ACM0], regs[DSP_REG_ACL0]);
ds_printf(x+2, y+10, "ACC1: %02x %04x %04x", regs[DSP_REG_ACH1]&0xff, regs[DSP_REG_ACM1], regs[DSP_REG_ACL1]);
ds_printf(x+2, y+11, "AX0: %04x %04x", regs[DSP_REG_AXH0], regs[DSP_REG_AXL0]);
ds_printf(x+2, y+12, "AX1: %04x %04x", regs[DSP_REG_AXH1], regs[DSP_REG_AXL1]);
}
void print_regs(int _step, int _dsp_steps)
{
const u16 *regs = _step == 0 ? dspreg_in : dspreg_out[_step - 1];
const u16 *regs2 = dspreg_out[_step];
print_reg_block(0, 2, cursor_reg, regs, regs2);
print_reg_block(33, 2, cursor_reg, regs2, regs);
ds_set_colour(COLOR_WHITE, COLOR_BLACK);
ds_printf(33, 17, "%i / %i ", _step + 1, _dsp_steps);
return;
static int count = 0;
int x = 0, y = 16;
if (count > 2)
ds_clear();
count = 0;
ds_set_colour(COLOR_WHITE, COLOR_BLACK);
for (int i = 0x0; i < 0xf70 ; i++)
{
if (dspbufC[i] != mem_dump[i])
{
ds_printf(x, y, "%04x=%04x", i, dspbufC[i]);
count++;
x += 10;
if (x >= 60) {
x = 0;
y++;
}
}
}
ds_printf(4, 25, "%08x", count);
}
void ui_pad_sel(void)
{
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_RIGHT)
{
cursor_reg+=8;
}
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_LEFT)
{
cursor_reg-=8;
}
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_UP)
{
cursor_reg--;
}
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_DOWN)
{
cursor_reg++;
}
cursor_reg &= 0x1f;
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_A)
{
ui_mode = UIM_EDIT_REG;
reg_value = &dspreg_in[cursor_reg * 8];
}
}
/*
void ui_pad_edit_bin(void)
{
u8 pos;
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_RIGHT)
{
small_cursor_x++;
}
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_LEFT)
{
small_cursor_x--;
}
small_cursor_x &= 0xf;
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_UP)
{
pos = 0xf - small_cursor_x;
*reg_value |= 1 << pos;
}
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_DOWN)
{
pos = 0xf - small_cursor_x;
*reg_value &= ~(1 << pos);
}
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_A)
{
ui_mode = UIM_SEL;
}
}*/
void ui_pad_edit_reg(void)
{
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_RIGHT)
{
small_cursor_x++;
}
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_LEFT)
{
small_cursor_x--;
}
small_cursor_x &= 0x3;
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_UP)
{
*reg_value += 0x1 << (4 * (3 - small_cursor_x));
}
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_DOWN)
{
*reg_value -= 0x1 << (4 * (3 - small_cursor_x));
}
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_A)
{
ui_mode = UIM_SEL;
}
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_1)
*reg_value = 0;
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_2)
*reg_value = 0xffff;
}
void init_video(void)
{
VIDEO_Init();
switch (VIDEO_GetCurrentTvMode())
{
case VI_NTSC:
rmode = &TVNtsc480IntDf;
break;
case VI_PAL:
rmode = &TVPal528IntDf;
break;
case VI_MPAL:
rmode = &TVMpal480IntDf;
break;
default:
rmode = &TVNtsc480IntDf;
break;
}
PAD_Init();
xfb = SYS_AllocateFramebuffer(rmode);
VIDEO_Configure(rmode);
VIDEO_SetNextFramebuffer(xfb);
VIDEO_SetBlack(FALSE);
VIDEO_Flush();
VIDEO_WaitVSync();
}
void my_send_task(void *addr, u16 iram_addr, u16 len, u16 start)
{
while(DSP_CheckMailTo());
DSP_SendMailTo(0x80F3A001);
while(DSP_CheckMailTo());
DSP_SendMailTo((u32)addr);
while(DSP_CheckMailTo());
DSP_SendMailTo(0x80F3C002);
while(DSP_CheckMailTo());
DSP_SendMailTo(iram_addr);
while(DSP_CheckMailTo());
DSP_SendMailTo(0x80F3A002);
while(DSP_CheckMailTo());
DSP_SendMailTo(len);
while(DSP_CheckMailTo());
DSP_SendMailTo(0x80F3B002);
while(DSP_CheckMailTo());
DSP_SendMailTo(0);
while(DSP_CheckMailTo());
DSP_SendMailTo(0x80F3D001);
while(DSP_CheckMailTo());
DSP_SendMailTo(start);
while(DSP_CheckMailTo());
}
int main()
{
init_video();
ds_init(xfb, 20, 64, rmode->fbWidth, rmode->xfbHeight, rmode->fbWidth * 2);
ui_mode = UIM_SEL;
dspbufP = (u16 *)MEM_VIRTUAL_TO_PHYSICAL(dspbuffer);
dspbufC = dspbuffer;
dspbufU = (u32 *)(MEM_K0_TO_K1(dspbuffer));
DCInvalidateRange(dspbuffer, 0x2000);
for (int j = 0 ; j < 0x800; j++)
dspbufU[j] = 0xffffffff;
_dspReg[5] = (_dspReg[5]&~(DSPCR_AIINT|DSPCR_ARINT|DSPCR_DSPINT))|DSPCR_DSPRESET;
_dspReg[5] = (_dspReg[5]&~(DSPCR_HALT|DSPCR_AIINT|DSPCR_ARINT|DSPCR_DSPINT));
u32 level;
_CPU_ISR_Disable(level);
IRQ_Request(IRQ_DSP_DSP, my__dsp_handler,NULL);
_CPU_ISR_Restore(level);
#if ENABLE_OUT
if_config("192.168.0.5", "192.168.0.1", "255.255.255.0", false);
//printf("Network Intitalized\n");
#endif
WPAD_Init();
int dsp_steps = 0;
int show_step = 0;
while (true)
{
// Should put a loop around this too.
if (DSP_CheckMailFrom())
{
u32 mail = DSP_ReadMailFrom();
ds_printf(2, 1, "Last mail: %08x", mail);
if (mail == 0x8071feed)
{
// DSP ready for task. Let's send one.
// First, prepare data.
for (int n = 0 ; n < 32 ; n++)
dspbufC[0x00 + n] = dspreg_in[n];
DCFlushRange(dspbufC, 0x2000);
// Then send the code.
DCFlushRange((void *)dsp_code, 0x1000);
my_send_task((void *)MEM_VIRTUAL_TO_PHYSICAL(dsp_code), 0, 4000, 0x10);
}
else if (mail == 0x8888dead)
{
u16* tmpBuf = (u16 *)MEM_VIRTUAL_TO_PHYSICAL(mem_dump);
while (DSP_CheckMailTo());
DSP_SendMailTo((u32)tmpBuf);
while (DSP_CheckMailTo());
regs_refreshed = false;
}
else if (mail == 0x8888beef)
{
while (DSP_CheckMailTo());
DSP_SendMailTo((u32)dspbufP);
while (DSP_CheckMailTo());
regs_refreshed = false;
}
else if (mail == 0x8888feeb)
{
// We got a stepful of registers.
DCInvalidateRange(dspbufC, 0x2000);
for (int i = 0 ; i < 32 ; i++)
dspreg_out[dsp_steps][i] = dspbufC[0xf80 + i];
regs_refreshed = true;
dsp_steps++;
while (DSP_CheckMailTo());
DSP_SendMailTo(0x8000DEAD);
while (DSP_CheckMailTo());
}
}
VIDEO_WaitVSync();
WPAD_ScanPads();
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_HOME)
exit(0);
print_regs(show_step, dsp_steps);
ds_printf(2, 18, "Controls:");
ds_printf(4, 19, "+/- to move");
ds_printf(4, 20, "B to start over");
ds_printf(4, 21, "Home to exit");
switch (ui_mode)
{
case UIM_SEL:
ui_pad_sel();
break;
case UIM_EDIT_REG:
ui_pad_edit_reg();
break;
case UIM_EDIT_BIN:
// ui_pad_edit_bin();
break;
default:
break;
}
DCFlushRange(xfb, 0x200000);
// Use B to start over.
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_B)
{
dsp_steps = 0; // Let's not add the new steps after the original ones. That was just annoying.
DCInvalidateRange(dspbufC, 0x2000);
for (int n = 0 ; n < 0x2000 ; n++)
{
// dspbufU[n/2] = 0; dspbufC[n] = 0;
}
DCFlushRange(dspbufC, 0x2000);
// Reset the DSP.
_dspReg[5] = (_dspReg[5] & ~(DSPCR_AIINT|DSPCR_ARINT|DSPCR_DSPINT)) | DSPCR_DSPRESET;
_dspReg[5] = (_dspReg[5] & ~(DSPCR_HALT|DSPCR_AIINT|DSPCR_ARINT|DSPCR_DSPINT));
_dspReg[5] |= DSPCR_RES;
while (_dspReg[5] & DSPCR_RES)
;
_dspReg[9] = 0x63;
}
// Navigate between results using + and - buttons.
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_PLUS)
{
show_step++;
if (show_step >= dsp_steps)
show_step = 0;
}
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_MINUS)
{
show_step--;
if (show_step < 0)
show_step = dsp_steps - 1;
}
}
// Reset the DSP
_dspReg[5] = (_dspReg[5]&~(DSPCR_AIINT|DSPCR_ARINT|DSPCR_DSPINT))|DSPCR_DSPRESET;
_dspReg[5] = (_dspReg[5]&~(DSPCR_HALT|DSPCR_AIINT|DSPCR_ARINT|DSPCR_DSPINT));
reload();
// Exit
exit(0);
return 0;
}
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