diff options
author | Oswald Buddenhagen <oswald.buddenhagen@gmx.de> | 2023-05-29 12:55:04 +0300 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2023-06-05 10:25:51 +0300 |
commit | 6e91a93d1e7417e5f700fb1d10de994d1539de8e (patch) | |
tree | a4bcf30f627af4eb84fed819dc1134a46e441067 /sound/pci/emu10k1 | |
parent | 67ff2add9e2cef1d5d60cf5a37f1f52c65bf97c7 (diff) | |
download | linux-6e91a93d1e7417e5f700fb1d10de994d1539de8e.tar.xz |
ALSA: emu10k1: actually disassemble DSP instructions in /proc
fx8010_acode is supposed to be a human-readable representation; the
binary is already in fx8010_code.
Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Link: https://lore.kernel.org/r/20230529095504.559054-1-oswald.buddenhagen@gmx.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/emu10k1')
-rw-r--r-- | sound/pci/emu10k1/emuproc.c | 149 |
1 files changed, 130 insertions, 19 deletions
diff --git a/sound/pci/emu10k1/emuproc.c b/sound/pci/emu10k1/emuproc.c index 81d48cd478b7..750ac6a8cc24 100644 --- a/sound/pci/emu10k1/emuproc.c +++ b/sound/pci/emu10k1/emuproc.c @@ -275,37 +275,148 @@ static void snd_emu10k1_proc_rates_read(struct snd_info_entry *entry, } } -static void snd_emu10k1_proc_acode_read(struct snd_info_entry *entry, +struct emu10k1_reg_entry { + unsigned short base, size; + const char *name; +}; + +static const struct emu10k1_reg_entry sblive_reg_entries[] = { + { 0, 0x10, "FXBUS" }, + { 0x10, 0x10, "EXTIN" }, + { 0x20, 0x10, "EXTOUT" }, + { 0x30, 0x10, "FXBUS2" }, + { 0x40, 0x20, NULL }, // Constants + { 0x100, 0x100, "GPR" }, + { 0x200, 0x80, "ITRAM_DATA" }, + { 0x280, 0x20, "ETRAM_DATA" }, + { 0x300, 0x80, "ITRAM_ADDR" }, + { 0x380, 0x20, "ETRAM_ADDR" }, + { 0x400, 0, NULL } +}; + +static const struct emu10k1_reg_entry audigy_reg_entries[] = { + { 0, 0x40, "FXBUS" }, + { 0x40, 0x10, "EXTIN" }, + { 0x50, 0x10, "P16VIN" }, + { 0x60, 0x20, "EXTOUT" }, + { 0x80, 0x20, "FXBUS2" }, + { 0xa0, 0x10, "EMU32OUTH" }, + { 0xb0, 0x10, "EMU32OUTL" }, + { 0xc0, 0x20, NULL }, // Constants + // This can't be quite right - overlap. + //{ 0x100, 0xc0, "ITRAM_CTL" }, + //{ 0x1c0, 0x40, "ETRAM_CTL" }, + { 0x160, 0x20, "A3_EMU32IN" }, + { 0x1e0, 0x20, "A3_EMU32OUT" }, + { 0x200, 0xc0, "ITRAM_DATA" }, + { 0x2c0, 0x40, "ETRAM_DATA" }, + { 0x300, 0xc0, "ITRAM_ADDR" }, + { 0x3c0, 0x40, "ETRAM_ADDR" }, + { 0x400, 0x200, "GPR" }, + { 0x600, 0, NULL } +}; + +static const char * const emu10k1_const_entries[] = { + "C_00000000", + "C_00000001", + "C_00000002", + "C_00000003", + "C_00000004", + "C_00000008", + "C_00000010", + "C_00000020", + "C_00000100", + "C_00010000", + "C_00000800", + "C_10000000", + "C_20000000", + "C_40000000", + "C_80000000", + "C_7fffffff", + "C_ffffffff", + "C_fffffffe", + "C_c0000000", + "C_4f1bbcdc", + "C_5a7ef9db", + "C_00100000", + "GPR_ACCU", + "GPR_COND", + "GPR_NOISE0", + "GPR_NOISE1", + "GPR_IRQ", + "GPR_DBAC", + "GPR_DBACE", + "???", +}; + +static int disasm_emu10k1_reg(char *buffer, + const struct emu10k1_reg_entry *entries, + unsigned reg, const char *pfx) +{ + for (int i = 0; ; i++) { + unsigned base = entries[i].base; + unsigned size = entries[i].size; + if (!size) + return sprintf(buffer, "%s0x%03x", pfx, reg); + if (reg >= base && reg < base + size) { + const char *name = entries[i].name; + reg -= base; + if (name) + return sprintf(buffer, "%s%s(%u)", pfx, name, reg); + return sprintf(buffer, "%s%s", pfx, emu10k1_const_entries[reg]); + } + } +} + +static int disasm_sblive_reg(char *buffer, unsigned reg, const char *pfx) +{ + return disasm_emu10k1_reg(buffer, sblive_reg_entries, reg, pfx); +} + +static int disasm_audigy_reg(char *buffer, unsigned reg, const char *pfx) +{ + return disasm_emu10k1_reg(buffer, audigy_reg_entries, reg, pfx); +} + +static void snd_emu10k1_proc_acode_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { u32 pc; struct snd_emu10k1 *emu = entry->private_data; + static const char * const insns[16] = { + "MAC0", "MAC1", "MAC2", "MAC3", "MACINT0", "MACINT1", "ACC3", "MACMV", + "ANDXOR", "TSTNEG", "LIMITGE", "LIMITLT", "LOG", "EXP", "INTERP", "SKIP", + }; + static const char spaces[] = " "; + const int nspaces = sizeof(spaces) - 1; snd_iprintf(buffer, "FX8010 Instruction List '%s'\n", emu->fx8010.name); snd_iprintf(buffer, " Code dump :\n"); for (pc = 0; pc < (emu->audigy ? 1024 : 512); pc++) { u32 low, high; + int len; + char buf[100]; + char *bufp = buf; low = snd_emu10k1_efx_read(emu, pc * 2); high = snd_emu10k1_efx_read(emu, pc * 2 + 1); - if (emu->audigy) - snd_iprintf(buffer, " OP(0x%02x, 0x%03x, 0x%03x, 0x%03x, 0x%03x) /* 0x%04x: 0x%08x%08x */\n", - (high >> 24) & 0x0f, - (high >> 12) & 0x7ff, - (high >> 0) & 0x7ff, - (low >> 12) & 0x7ff, - (low >> 0) & 0x7ff, - pc, - high, low); - else - snd_iprintf(buffer, " OP(0x%02x, 0x%03x, 0x%03x, 0x%03x, 0x%03x) /* 0x%04x: 0x%08x%08x */\n", - (high >> 20) & 0x0f, - (high >> 10) & 0x3ff, - (high >> 0) & 0x3ff, - (low >> 10) & 0x3ff, - (low >> 0) & 0x3ff, - pc, - high, low); + if (emu->audigy) { + bufp += sprintf(bufp, " %-7s ", insns[(high >> 24) & 0x0f]); + bufp += disasm_audigy_reg(bufp, (high >> 12) & 0x7ff, ""); + bufp += disasm_audigy_reg(bufp, (high >> 0) & 0x7ff, ", "); + bufp += disasm_audigy_reg(bufp, (low >> 12) & 0x7ff, ", "); + bufp += disasm_audigy_reg(bufp, (low >> 0) & 0x7ff, ", "); + } else { + bufp += sprintf(bufp, " %-7s ", insns[(high >> 20) & 0x0f]); + bufp += disasm_sblive_reg(bufp, (high >> 10) & 0x3ff, ""); + bufp += disasm_sblive_reg(bufp, (high >> 0) & 0x3ff, ", "); + bufp += disasm_sblive_reg(bufp, (low >> 10) & 0x3ff, ", "); + bufp += disasm_sblive_reg(bufp, (low >> 0) & 0x3ff, ", "); + } + len = (int)(ptrdiff_t)(bufp - buf); + snd_iprintf(buffer, "%s %s /* 0x%04x: 0x%08x%08x */\n", + buf, &spaces[nspaces - clamp(65 - len, 0, nspaces)], + pc, high, low); } } |