537 lines
14 KiB
C++
537 lines
14 KiB
C++
// This is a test program for running code on the Wii DSP, with full control over input
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// and automatic compare with output. VERY useful for figuring out what those little
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// ops actually do.
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// It's very unpolished though
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// Use Dolphin's dsptool to generate a new dsp_code.h.
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// Originally written by duddie and modified by FIRES.
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#include <gccore.h>
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#include <malloc.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <network.h>
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#include <ogcsys.h>
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#include <time.h>
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#include <fat.h>
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#include <fcntl.h>
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#include <ogc/color.h>
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#include <ogc/consol.h>
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#include <ogc/dsp.h>
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#include <ogc/irq.h>
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#include <ogc/machine/asm.h>
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#include <ogc/machine/processor.h>
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#ifdef HW_RVL
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#include <wiiuse/wpad.h>
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#endif
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#include "ConsoleHelper.h"
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// Pull in some constants etc from DSPCore.
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#include "../Core/DSPCore/Src/gdsp_registers.h"
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// This is where the DSP binary is.
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#include "dsp_code.h"
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#include "mem_dump.h"
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// DSPCR bits
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#define DSPCR_DSPRESET 0x0800 // Reset DSP
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#define DSPCR_ARDMA 0x0200 // ARAM dma in progress, if set
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#define DSPCR_DSPINTMSK 0x0100 // * interrupt mask (RW)
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#define DSPCR_DSPINT 0x0080 // * interrupt active (RWC)
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#define DSPCR_ARINTMSK 0x0040
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#define DSPCR_ARINT 0x0020
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#define DSPCR_AIINTMSK 0x0010
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#define DSPCR_AIINT 0x0008
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#define DSPCR_HALT 0x0004 // halt DSP
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#define DSPCR_PIINT 0x0002 // assert DSP PI interrupt
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#define DSPCR_RES 0x0001 // reset DSP
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// Used for communications with the DSP, such as dumping registers etc.
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u16 dspbuffer[16 * 1024] __attribute__ ((aligned (0x4000)));
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static void *xfb = NULL;
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void (*reload)() = (void(*)())0x80001800;
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GXRModeObj *rmode;
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static vu16* const _dspReg = (u16*)0xCC005000;
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u16 *dspbufP;
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u16 *dspbufC;
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u32 *dspbufU;
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u16 dspreg_in[32] = {
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0x0410, 0x0510, 0x0610, 0x0710, 0x0810, 0x0910, 0x0a10, 0x0b10,
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0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x0855, 0x0966, 0x0a77, 0x0b88,
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0x0014, 0xfff5, 0x00ff, 0x2200, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0003, 0x0004, 0x8000, 0x000C, 0x0007, 0x0008, 0x0009, 0x000a,
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}; /// ax_h_1 ax_h_1
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/* ttt ?
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u16 dspreg_in[32] = {
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0x0e4c, 0x03c0, 0x0bd9, 0x06a3, 0x0c06, 0x0240, 0x0010, 0x0ecc,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0322, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x00ff, 0x1b41, 0x0000, 0x0040, 0x00ff, 0x0000,
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0x1000, 0x96cc, 0x0000, 0x0000, 0x3fc0, 0x96cc, 0x0000, 0x0000,
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}; */
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// if i set bit 0x4000 of SR my tests crashes :(
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/*
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// zelda 0x00da
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u16 dspreg_in[32] = {
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0x0a50, 0x0ca2, 0x04f8, 0x0ab0, 0x8039, 0x0000, 0x0000, 0x0000,
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0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x03d1, 0x0000, 0x0418, 0x0002, // r08 must have a value ... no idea why (ector: it's the looped addressing regs)
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0x0000, 0x0000, 0x00ff, 0x1804, 0xdb70, 0x4ddb, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0xde6d, 0x0000, 0x0000, 0x0000, 0x004e,
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};*/
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u16 dspreg_out[1000][32];
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u32 padding[1024];
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// UI (interactive register editing)
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u32 ui_mode;
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#define UIM_SEL 1
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#define UIM_EDIT_REG 2
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#define UIM_EDIT_BIN 4
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// Currently selected register.
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s32 cursor_reg = 0;
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// Currently selected digit.
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s32 small_cursor_x;
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// Value currently being edited.
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u16 *reg_value;
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char last_message[20] = "OK";
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// Got regs to draw. Dunno why we need this.
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volatile int regs_refreshed = false;
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// Handler for DSP interrupt.
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static void my__dsp_handler(u32 nIrq, void *pCtx)
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{
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// Acknowledge interrupt?
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_dspReg[5] = (_dspReg[5] & ~(DSPCR_AIINT|DSPCR_ARINT)) | DSPCR_DSPINT;
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}
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// When comparing regs, ignore the loop stack registers.
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bool regs_equal(int reg, u16 value1, u16 value2) {
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if (reg >= DSP_REG_ST0 && reg <= DSP_REG_ST3)
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return true;
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else
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return value1 == value2;
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}
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void print_reg_block(int x, int y, int sel, const u16 *regs, const u16 *compare_regs)
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{
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for (int j = 0; j < 4 ; j++)
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{
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for (int i = 0; i < 8 ; i++)
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{
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// Do not even display the loop stack registers.
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const int reg = j * 8 + i;
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CON_SetColor(sel == reg ? CON_YELLOW : CON_GREEN, CON_BLACK);
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CON_Printf(x + j * 8, i + y, "%02x ", reg);
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if (j != 1 || i < 4)
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{
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u8 color1 = regs_equal(reg, regs[reg], compare_regs[reg]) ? CON_WHITE : CON_RED;
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for (int k = 0; k < 4; k++)
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{
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if (sel == reg && k == small_cursor_x && ui_mode == UIM_EDIT_REG)
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CON_SetColor(CON_BLACK, color1);
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else
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CON_SetColor(color1, CON_BLACK);
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CON_Printf(x + 3 + j * 8 + k, i + y, "%01x", (regs[reg] >> ((3 - k) * 4)) & 0xf);
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}
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}
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}
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}
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CON_SetColor(CON_WHITE, CON_BLACK);
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CON_Printf(x+2, y+9, "ACC0: %02x %04x %04x", regs[DSP_REG_ACH0]&0xff, regs[DSP_REG_ACM0], regs[DSP_REG_ACL0]);
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CON_Printf(x+2, y+10, "ACC1: %02x %04x %04x", regs[DSP_REG_ACH1]&0xff, regs[DSP_REG_ACM1], regs[DSP_REG_ACL1]);
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CON_Printf(x+2, y+11, "AX0: %04x %04x", regs[DSP_REG_AXH0], regs[DSP_REG_AXL0]);
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CON_Printf(x+2, y+12, "AX1: %04x %04x", regs[DSP_REG_AXH1], regs[DSP_REG_AXL1]);
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}
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void print_regs(int _step, int _dsp_steps)
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{
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const u16 *regs = _step == 0 ? dspreg_in : dspreg_out[_step - 1];
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const u16 *regs2 = dspreg_out[_step];
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print_reg_block(0, 2, _step == 0 ? cursor_reg : -1, regs, regs2);
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print_reg_block(33, 2, -1, regs2, regs);
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CON_SetColor(CON_WHITE, CON_BLACK);
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CON_Printf(33, 17, "%i / %i ", _step + 1, _dsp_steps);
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return;
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static int count = 0;
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int x = 0, y = 16;
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if (count > 2)
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printf("\x1b[2J"); // Clear
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count = 0;
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CON_SetColor(CON_WHITE, CON_BLACK);
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for (int i = 0x0; i < 0xf70 ; i++)
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{
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if (dspbufC[i] != mem_dump[i])
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{
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CON_Printf(x, y, "%04x=%04x", i, dspbufC[i]);
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count++;
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x += 10;
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if (x >= 60) {
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x = 0;
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y++;
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}
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}
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}
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CON_Printf(4, 25, "%08x", count);
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}
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void ui_pad_sel(void)
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{
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#ifdef HW_RVL
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if (WPAD_ButtonsDown(0) & WPAD_BUTTON_RIGHT)
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cursor_reg += 8;
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if (WPAD_ButtonsDown(0) & WPAD_BUTTON_LEFT)
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cursor_reg -= 8;
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if (WPAD_ButtonsDown(0) & WPAD_BUTTON_UP)
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cursor_reg--;
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if (WPAD_ButtonsDown(0) & WPAD_BUTTON_DOWN)
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cursor_reg++;
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cursor_reg &= 0x1f;
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if (WPAD_ButtonsDown(0) & WPAD_BUTTON_A)
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{
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ui_mode = UIM_EDIT_REG;
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reg_value = &dspreg_in[cursor_reg];
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}
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#else
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if (PAD_ButtonsDown(0) & PAD_BUTTON_RIGHT)
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cursor_reg += 8;
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if (PAD_ButtonsDown(0) & PAD_BUTTON_LEFT)
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cursor_reg -= 8;
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if (PAD_ButtonsDown(0) & PAD_BUTTON_UP)
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cursor_reg--;
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if (PAD_ButtonsDown(0) & PAD_BUTTON_DOWN)
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cursor_reg++;
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cursor_reg &= 0x1f;
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if (PAD_ButtonsDown(0) & PAD_BUTTON_A)
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{
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ui_mode = UIM_EDIT_REG;
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reg_value = &dspreg_in[cursor_reg];
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}
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#endif
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}
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void ui_pad_edit_reg(void)
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{
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#ifdef HW_RVL
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if (WPAD_ButtonsDown(0) & WPAD_BUTTON_RIGHT)
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small_cursor_x++;
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if (WPAD_ButtonsDown(0) & WPAD_BUTTON_LEFT)
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small_cursor_x--;
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small_cursor_x &= 0x3;
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if (WPAD_ButtonsDown(0) & WPAD_BUTTON_UP)
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*reg_value += 0x1 << (4 * (3 - small_cursor_x));
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if (WPAD_ButtonsDown(0) & WPAD_BUTTON_DOWN)
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*reg_value -= 0x1 << (4 * (3 - small_cursor_x));
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if (WPAD_ButtonsDown(0) & WPAD_BUTTON_A)
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ui_mode = UIM_SEL;
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if (WPAD_ButtonsDown(0) & WPAD_BUTTON_1)
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*reg_value = 0;
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if (WPAD_ButtonsDown(0) & WPAD_BUTTON_2)
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*reg_value = 0xffff;
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#else
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if (PAD_ButtonsDown(0) & PAD_BUTTON_RIGHT)
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small_cursor_x++;
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if (PAD_ButtonsDown(0) & PAD_BUTTON_LEFT)
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small_cursor_x--;
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small_cursor_x &= 0x3;
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if (PAD_ButtonsDown(0) & PAD_BUTTON_UP)
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*reg_value += 0x1 << (4 * (3 - small_cursor_x));
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if (PAD_ButtonsDown(0) & PAD_BUTTON_DOWN)
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*reg_value -= 0x1 << (4 * (3 - small_cursor_x));
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if (PAD_ButtonsDown(0) & PAD_BUTTON_A)
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ui_mode = UIM_SEL;
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if (PAD_ButtonsDown(0) & PAD_BUTTON_X)
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*reg_value = 0;
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if (PAD_ButtonsDown(0) & PAD_BUTTON_Y)
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*reg_value = 0xffff;
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#endif
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}
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void init_video(void)
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{
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VIDEO_Init();
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switch (VIDEO_GetCurrentTvMode())
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{
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case VI_NTSC:
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rmode = &TVNtsc480IntDf;
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break;
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case VI_PAL:
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rmode = &TVPal528IntDf;
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break;
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case VI_MPAL:
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rmode = &TVMpal480IntDf;
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break;
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default:
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rmode = &TVNtsc480IntDf;
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break;
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}
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xfb = SYS_AllocateFramebuffer(rmode);
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VIDEO_Configure(rmode);
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VIDEO_SetNextFramebuffer(xfb);
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VIDEO_SetBlack(FALSE);
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VIDEO_Flush();
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VIDEO_WaitVSync();
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}
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void my_send_task(void *addr, u16 iram_addr, u16 len, u16 start)
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{
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while(DSP_CheckMailTo());
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DSP_SendMailTo(0x80F3A001);
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while(DSP_CheckMailTo());
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DSP_SendMailTo((u32)addr);
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while(DSP_CheckMailTo());
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DSP_SendMailTo(0x80F3C002);
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while(DSP_CheckMailTo());
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DSP_SendMailTo(iram_addr);
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while(DSP_CheckMailTo());
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DSP_SendMailTo(0x80F3A002);
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while(DSP_CheckMailTo());
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DSP_SendMailTo(len);
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while(DSP_CheckMailTo());
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DSP_SendMailTo(0x80F3B002);
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while(DSP_CheckMailTo());
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DSP_SendMailTo(0);
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while(DSP_CheckMailTo());
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DSP_SendMailTo(0x80F3D001);
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while(DSP_CheckMailTo());
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DSP_SendMailTo(start);
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while(DSP_CheckMailTo());
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}
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int main()
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{
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init_video();
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CON_Init(xfb, 20, 64, rmode->fbWidth, rmode->xfbHeight, rmode->fbWidth * 2);
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ui_mode = UIM_SEL;
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dspbufP = (u16 *)MEM_VIRTUAL_TO_PHYSICAL(dspbuffer);
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dspbufC = dspbuffer;
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dspbufU = (u32 *)(MEM_K0_TO_K1(dspbuffer));
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DCInvalidateRange(dspbuffer, 0x2000);
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for (int j = 0; j < 0x800; j++)
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dspbufU[j] = 0xffffffff;
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_dspReg[5] = (_dspReg[5] & ~(DSPCR_AIINT|DSPCR_ARINT|DSPCR_DSPINT)) | DSPCR_DSPRESET;
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_dspReg[5] = (_dspReg[5] & ~(DSPCR_HALT|DSPCR_AIINT|DSPCR_ARINT|DSPCR_DSPINT));
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// This code looks odd - shouldn't we initialize level?
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u32 level;
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_CPU_ISR_Disable(level);
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IRQ_Request(IRQ_DSP_DSP, my__dsp_handler, NULL);
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_CPU_ISR_Restore(level);
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// Initialize FAT so we can write to SD.
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fatInit(8, false);
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// Both GC and Wii controls.
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PAD_Init();
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#ifdef HW_RVL
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WPAD_Init();
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#endif
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int dsp_steps = 0;
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int show_step = 0;
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while (true)
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{
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// Should put a loop around this too.
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if (DSP_CheckMailFrom())
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{
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u32 mail = DSP_ReadMailFrom();
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CON_Printf(2, 1, "Last mail: %08x", mail);
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if (mail == 0x8071feed)
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{
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// DSP ready for task. Let's send one.
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// First, prepare data.
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for (int n = 0 ; n < 32 ; n++)
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dspbufC[0x00 + n] = dspreg_in[n];
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DCFlushRange(dspbufC, 0x2000);
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// Then send the code.
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DCFlushRange((void *)dsp_code, 0x1000);
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my_send_task((void *)MEM_VIRTUAL_TO_PHYSICAL(dsp_code), 0, 4000, 0x10);
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}
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else if (mail == 0x8888dead)
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{
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u16* tmpBuf = (u16 *)MEM_VIRTUAL_TO_PHYSICAL(mem_dump);
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while (DSP_CheckMailTo());
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DSP_SendMailTo((u32)tmpBuf);
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while (DSP_CheckMailTo());
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regs_refreshed = false;
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}
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else if (mail == 0x8888beef)
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{
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while (DSP_CheckMailTo());
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DSP_SendMailTo((u32)dspbufP);
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while (DSP_CheckMailTo());
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regs_refreshed = false;
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}
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else if (mail == 0x8888feeb)
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{
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// We got a stepful of registers.
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DCInvalidateRange(dspbufC, 0x2000);
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for (int i = 0 ; i < 32 ; i++)
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dspreg_out[dsp_steps][i] = dspbufC[0xf80 + i];
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regs_refreshed = true;
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dsp_steps++;
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while (DSP_CheckMailTo());
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DSP_SendMailTo(0x8000DEAD);
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while (DSP_CheckMailTo());
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}
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}
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VIDEO_WaitVSync();
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#ifdef HW_RVL
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PAD_ScanPads();
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WPAD_ScanPads();
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if ((WPAD_ButtonsDown(0) & WPAD_BUTTON_HOME) || (PAD_ButtonsDown(0) & PAD_BUTTON_START))
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exit(0);
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CON_Printf(2, 18, "Controls:");
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CON_Printf(4, 19, "+/- to move");
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CON_Printf(4, 20, "B to start over");
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CON_Printf(4, 21, "Home to exit");
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CON_Printf(4, 22, "2 to dump results to SD");
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#else
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PAD_ScanPads();
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if (PAD_ButtonsDown(0) & PAD_BUTTON_START)
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exit(0);
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CON_Printf(2, 18, "Controls:");
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CON_Printf(4, 19, "L/R to move");
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CON_Printf(4, 20, "B to start over");
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CON_Printf(4, 21, "Start to exit");
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#endif
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print_regs(show_step, dsp_steps);
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CON_Printf(4, 24, last_message);
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switch (ui_mode)
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{
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case UIM_SEL:
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ui_pad_sel();
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break;
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case UIM_EDIT_REG:
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ui_pad_edit_reg();
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break;
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case UIM_EDIT_BIN:
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// ui_pad_edit_bin();
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break;
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default:
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break;
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}
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DCFlushRange(xfb, 0x200000);
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// Use B to start over.
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#ifdef HW_RVL
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if ((WPAD_ButtonsDown(0) & WPAD_BUTTON_B) || (PAD_ButtonsDown(0) & PAD_BUTTON_B))
|
|
#else
|
|
if (PAD_ButtonsDown(0) & PAD_BUTTON_B)
|
|
#endif
|
|
{
|
|
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;
|
|
strcpy(last_message, "OK");
|
|
}
|
|
|
|
// Navigate between results using + and - buttons.
|
|
#ifdef HW_RVL
|
|
if ((WPAD_ButtonsDown(0) & WPAD_BUTTON_PLUS) || (PAD_ButtonsDown(0) & PAD_TRIGGER_R))
|
|
#else
|
|
if (PAD_ButtonsDown(0) & PAD_TRIGGER_R)
|
|
#endif
|
|
{
|
|
show_step++;
|
|
if (show_step >= dsp_steps)
|
|
show_step = 0;
|
|
strcpy(last_message, "OK");
|
|
}
|
|
#ifdef HW_RVL
|
|
if ((WPAD_ButtonsDown(0) & WPAD_BUTTON_MINUS) || (PAD_ButtonsDown(0) & PAD_TRIGGER_L))
|
|
#else
|
|
if (PAD_ButtonsDown(0) & PAD_TRIGGER_L)
|
|
#endif
|
|
{
|
|
show_step--;
|
|
if (show_step < 0)
|
|
show_step = dsp_steps - 1;
|
|
strcpy(last_message, "OK");
|
|
}
|
|
|
|
#ifdef HW_RVL
|
|
// Probably could offer to save to memcard (sd gecko) but i dont have one so meh
|
|
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_2)
|
|
{
|
|
FILE *f = fopen("sd:/dsp_dump.bin", "wb");
|
|
if (f)
|
|
{
|
|
// First write initial regs
|
|
fwrite(dspreg_in, 1, 32 * 2, f);
|
|
|
|
// Then write all the dumps.
|
|
fwrite(dspreg_out, 1, dsp_steps * 32 * 2, f);
|
|
fclose(f);
|
|
strcpy(last_message, "Dump Successful.");
|
|
}
|
|
else
|
|
{
|
|
strcpy(last_message, "SD Write Error");
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
// 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;
|
|
}
|