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pcireg: Fix -s -d mode

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RichardG867
2021-08-14 01:58:05 -03:00
parent c8ff8f7005
commit 4c96b623fc
3 changed files with 30 additions and 12 deletions
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BIN
pcireg/PCIREG.EXE
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Binary file not shown.

4
pcireg/README.md
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@@ -12,10 +12,10 @@ PCIREG -i [-8]
∟ Display BIOS IRQ steering table. Specify -8 to display as 86Box code.
PCIREG -r [bus] device [function] register
∟ Read the given register
∟ Read the specified register.
PCIREG -w [bus] device [function] register value
∟ Write byte, word or dword to the given register
∟ Write byte, word or dword to the specified register.
PCIREG {-d|-dw|-dl} [bus] device [function [register]]
∟ Dump registers as bytes (-d), words (-dw) or dwords (-dl). Optionally

38
pcireg/pcireg.c
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@@ -152,6 +152,9 @@ dump_regs(uint8_t bus, uint8_t dev, uint8_t func, uint8_t start_reg, char sz)
/* Build the base CF8h dword for this dump. */
cf8 = make_cf8(bus, dev, func, 0x00);
/* Generate dump file name. */
sprintf(buf, "PCI%02X%02X%d.BIN", bus, dev, func);
/* Size character '.' indicates a quiet dump for scan_bus. */
if (sz != '.') {
/* Print banner message. */
@@ -207,6 +210,9 @@ dump_regs(uint8_t bus, uint8_t dev, uint8_t func, uint8_t start_reg, char sz)
putchar('\n');
}
} else {
/* Print dump file name now. */
printf("Dumping registers to %s", buf);
infobox = 0;
}
@@ -507,24 +513,36 @@ blank:
}
} while (cur_reg);
/* Generate dump file name. */
sprintf(buf, "PCI%02X%02X%d.BIN", bus, dev, func);
/* Print dump file name. */
if (sz != '.')
printf("\nSaving dump to %s\n", buf);
/* Write dump file. */
f = fopen(buf, "wb");
if (!f) {
printf("File creation failed\n");
if (sz != '.')
printf("File creation failed\n");
return 1;
}
if (fwrite(regs, sizeof(regs), 1, f) < 1) {
fclose(f);
printf("File write failed\n");
if (sz != '.')
printf("File write failed\n");
return 1;
}
fclose(f);
if (sz == '.') {
/* Clear the dump file name printed earlier. */
width = strlen(buf) + 21;
for (i = 0; i < width; i++)
putchar('\b');
for (i = 0; i < width; i++)
putchar(' ');
for (i = 0; i < width; i++)
putchar('\b');
}
return 0;
}
@@ -867,11 +885,11 @@ retry_buf:
_getvideoconfig(&vc);
if (mode == '8') {
/* Clear IRQ mapping array. */
/* Clear IRQ mapping array. */
memset(irq_bitmap, 0, sizeof(irq_bitmap));
/* Identify INTx# link value mapping for 86Box mode. */
buf_size = irq_routing_table->len;
/* Identify INTx# link value mapping for 86Box mode. */
buf_size = irq_routing_table->len;
entry = &irq_routing_table->entry[0];
while (buf_size >= sizeof(irq_routing_table->entry[0])) {
/* Ignore non-root buses. */
@@ -903,7 +921,7 @@ retry_buf:
j = sizeof(temp);
memcpy(temp, &irq_bitmap[i], j);
/* Clear IRQ mapping array again. */
/* Clear IRQ mapping array again. */
memset(irq_bitmap, 0, sizeof(irq_bitmap));
/* Fill in mapping entries. */
@@ -1127,10 +1145,10 @@ usage:
printf("∟ Display BIOS IRQ steering table. Specify -8 to display as 86Box code.\n");
printf("\n");
printf("PCIREG -r [bus] device [function] register\n");
printf("∟ Read the given register\n");
printf("∟ Read the specified register.\n");
printf("\n");
printf("PCIREG -w [bus] device [function] register value\n");
printf("∟ Write byte, word or dword to the given register\n");
printf("∟ Write byte, word or dword to the specified register.\n");
printf("\n");
printf("PCIREG {-d|-dw|-dl} [bus] device [function [register]]\n");
printf("∟ Dump registers as bytes (-d), words (-dw) or dwords (-dl). Optionally\n");