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isapnp: Improve PnP ROM parser logging

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This commit is contained in:
richardg867
2023-10-09 11:26:25 -03:00
committed by GitHub
parent 5abd3d8deb
commit 1c321caaed
1 changed files with 63 additions and 29 deletions
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70
src/device/isapnp.c
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@@ -795,6 +795,10 @@ isapnp_update_card_rom(void *priv, uint8_t *rom, uint16_t rom_size)
#ifdef ENABLE_ISAPNP_LOG
uint16_t vendor = (card->rom[0] << 8) | card->rom[1];
isapnp_log("ISAPnP: Parsing ROM resources for card %c%c%c%02X%02X (serial %08X)\n", '@' + ((vendor >> 10) & 0x1f), '@' + ((vendor >> 5) & 0x1f), '@' + (vendor & 0x1f), card->rom[2], card->rom[3], (card->rom[7] << 24) | (card->rom[6] << 16) | (card->rom[5] << 8) | card->rom[4]);
const char *df_priority[] = { "good", "acceptable", "sub-optimal", "unknown priority" };
const char *mem_control[] = { "8-bit", "16-bit", "8/16-bit", "32-bit" };
const char *dma_transfer[] = { "8-bit", "8/16-bit", "16-bit", "unknown" };
const char *dma_speed[] = { "compatibility", "Type A", "Type B", "Type F" };
#endif
uint16_t i = 9;
uint8_t existing = 0;
@@ -802,10 +806,12 @@ isapnp_update_card_rom(void *priv, uint8_t *rom, uint16_t rom_size)
uint8_t res;
uint8_t in_df = 0;
uint8_t irq = 0;
uint8_t dma = 0;
uint8_t io = 0;
uint8_t mem_range = 0;
uint8_t mem_range_32 = 0;
uint8_t irq_df = 0;
uint8_t dma_df = 0;
uint8_t io_df = 0;
uint8_t mem_range_df = 0;
uint8_t mem_range_32_df = 0;
@@ -838,7 +844,10 @@ isapnp_update_card_rom(void *priv, uint8_t *rom, uint16_t rom_size)
break;
}
isapnp_log("ISAPnP: >>%s Memory range %d uses upper limit = ", in_df ? ">" : "", mem_range);
isapnp_log("ISAPnP: >>%s Memory range %d with %d bytes at %06X-%06X, align %d",
in_df ? ">" : "", mem_range,
*((uint16_t *) &card->rom[i + 10]) << 8, *((uint16_t *) &card->rom[i + 4]) << 8, ((card->rom[i + 3] & 0x4) ? 0 : (*((uint16_t *) &card->rom[i + 4]) << 8)) + (*((uint16_t *) &card->rom[i + 6]) << 8),
(*((uint16_t *) &card->rom[i + 8]) + 1) << 16);
res = 1 << mem_range;
mem_range++;
} else {
@@ -852,18 +861,27 @@ isapnp_update_card_rom(void *priv, uint8_t *rom, uint16_t rom_size)
break;
}
isapnp_log("ISAPnP: >>%s 32-bit memory range %d uses upper limit = ", in_df ? ">" : "", mem_range_32);
isapnp_log("ISAPnP: >>%s 32-bit memory range %d with %d bytes at %08X-%08X, align %d", in_df ? ">" : "", mem_range_32,
*((uint32_t *) &card->rom[i + 16]) << 8, *((uint32_t *) &card->rom[i + 4]) << 8, ((card->rom[i + 3] & 0x4) ? 0 : (*((uint32_t *) &card->rom[i + 4]) << 8)) + (*((uint32_t *) &card->rom[i + 8]) << 8),
*((uint32_t *) &card->rom[i + 12]));
res = 1 << (4 + mem_range_32);
mem_range_32++;
}
if (card->rom[i + 3] & 0x4) {
isapnp_log("yes\n");
#ifdef ENABLE_ISAPNP_LOG
isapnp_log(" bytes, %swritable, %sread cacheable, %s, %sshadowable, %sexpansion ROM\n",
(card->rom[i + 3] & 0x01) ? "not " : "",
(card->rom[i + 3] & 0x02) ? "not " : "",
(card->rom[i + 3] & 0x04) ? "upper limit" : "range length",
mem_control[(card->rom[i + 3] >> 3) & 0x03],
(card->rom[i + 3] & 0x20) ? "not " : "",
(card->rom[i + 3] & 0x40) ? "not " : "");
#endif
if (card->rom[i + 3] & 0x4)
ld->mem_upperlimit |= res;
} else {
isapnp_log("no\n");
else
ld->mem_upperlimit &= ~res;
}
break;
@@ -874,14 +892,11 @@ isapnp_update_card_rom(void *priv, uint8_t *rom, uint16_t rom_size)
isapnp_log("ISAPnP: >%s ANSI identifier: \"%s\"\n", ldn ? ">" : "", &card->rom[i + 3]);
card->rom[i + 3 + len] = res;
break;
#endif
default:
isapnp_log("ISAPnP: >%s%s Large resource %02X (length %d)\n", ldn ? ">" : "", in_df ? ">" : "", res, (card->rom[i + 2] << 8) | card->rom[i + 1]);
break;
#else
default:
break;
#endif
}
i += 3; /* header */
@@ -890,7 +905,13 @@ isapnp_update_card_rom(void *priv, uint8_t *rom, uint16_t rom_size)
len = card->rom[i] & 0x07;
switch (res) {
case 0x02:
#ifdef ENABLE_ISAPNP_LOG
case 0x01: /* PnP version */
isapnp_log("ISAPnP: > PnP version %d.%d, vendor-specific version %02X\n", card->rom[i + 1] >> 4, card->rom[i + 1] & 0x0f, card->rom[i + 2]);
break;
#endif
case 0x02: /* logical device */
#ifdef ENABLE_ISAPNP_LOG
vendor = (card->rom[i + 1] << 8) | card->rom[i + 2];
isapnp_log("ISAPnP: > Logical device %02X: %c%c%c%02X%02X\n", ldn, '@' + ((vendor >> 10) & 0x1f), '@' + ((vendor >> 5) & 0x1f), '@' + (vendor & 0x1f), card->rom[i + 3], card->rom[i + 4]);
@@ -931,7 +952,7 @@ isapnp_update_card_rom(void *priv, uint8_t *rom, uint16_t rom_size)
ld->number = ldn++;
/* Start the position counts over. */
irq = io = mem_range = mem_range_32 = irq_df = io_df = mem_range_df = mem_range_32_df = 0;
irq = dma = io = mem_range = mem_range_32 = irq_df = dma_df = io_df = mem_range_df = mem_range_32_df = 0;
break;
@@ -963,7 +984,7 @@ isapnp_update_card_rom(void *priv, uint8_t *rom, uint16_t rom_size)
else /* specific */
res = card->rom[i + 3] & 0x0f;
isapnp_log("ISAPnP: >>%s IRQ index %d interrupt types = %01X\n", in_df ? ">" : "", irq, res);
isapnp_log("ISAPnP: >>%s IRQ index %d with mask %04X, types %01X\n", in_df ? ">" : "", irq, *((uint16_t *) &card->rom[i + 1]), res);
ld->irq_types &= ~(0x0f << (4 * irq));
ld->irq_types |= res << (4 * irq);
@@ -972,24 +993,39 @@ isapnp_update_card_rom(void *priv, uint8_t *rom, uint16_t rom_size)
break;
#ifdef ENABLE_ISAPNP_LOG
case 0x05: /* DMA */
isapnp_log("ISAPnP: >>%s DMA index %d with mask %02X, %s, %sbus master, %scount by byte, %scount by word, %s speed\n", in_df ? ">" : "", dma++, card->rom[i + 1],
dma_transfer[card->rom[i + 2] & 3],
(card->rom[i + 2] & 0x04) ? "not " : "",
(card->rom[i + 2] & 0x08) ? "not " : "",
(card->rom[i + 2] & 0x10) ? "not " : "",
dma_speed[(card->rom[i + 2] >> 5) & 3]);
break;
#endif
case 0x06: /* start dependent function */
if (!ld) {
isapnp_log("ISAPnP: >> Start dependent function with no logical device\n");
break;
}
isapnp_log("ISAPnP: >> Start dependent function: %s\n", (((len == 0) || (card->rom[i + 1] == 1)) ? "acceptable" : ((card->rom[i + 1] == 0) ? "good" : ((card->rom[i + 1] == 2) ? "sub-optimal" : "unknown priority"))));
#ifdef ENABLE_ISAPNP_LOG
isapnp_log("ISAPnP: >> Start dependent function: %s\n", df_priority[(len < 1) ? 1 : (card->rom[i + 1] & 3)]);
#endif
if (in_df) {
/* We're in a dependent function and this is the next one starting.
Walk positions back to the saved values. */
irq = irq_df;
dma = dma_df;
io = io_df;
mem_range = mem_range_df;
mem_range_32 = mem_range_32_df;
} else {
/* Save current positions to restore at the next DF. */
irq_df = irq;
dma_df = dma;
io_df = io;
mem_range_df = mem_range;
mem_range_32_df = mem_range_32;
@@ -1014,7 +1050,7 @@ isapnp_update_card_rom(void *priv, uint8_t *rom, uint16_t rom_size)
break;
}
isapnp_log("ISAPnP: >>%s I/O range %d %d-bit decode, %d ports\n", in_df ? ">" : "", io, (card->rom[i + 1] & 0x01) ? 16 : 10, card->rom[i + 7]);
isapnp_log("ISAPnP: >>%s I/O range %d with %d ports at %04X-%04X, align %d, %d-bit decode\n", in_df ? ">" : "", io, card->rom[i + 7], *((uint16_t *) &card->rom[i + 2]), *((uint16_t *) &card->rom[i + 4]), card->rom[i + 6], (card->rom[i + 1] & 0x01) ? 16 : 10);
if (card->rom[i + 1] & 0x01)
ld->io_16bit |= 1 << io;
@@ -1042,9 +1078,7 @@ isapnp_update_card_rom(void *priv, uint8_t *rom, uint16_t rom_size)
break;
default:
#ifdef ENABLE_ISAPNP_LOG
isapnp_log("ISAPnP: >%s%s Small resource %02X (length %d)\n", ldn ? ">" : "", in_df ? ">" : "", res, card->rom[i] & 0x07);
#endif
break;
}