76 lines
2.8 KiB
C
76 lines
2.8 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include "pirq_routing.h"
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static char *preamble[] = {
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"/* This file was generated by getpir.c, do not modify!\n",
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" * (but if you do, please run checkpir on it to verify)\n",
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" *\n",
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" * Contains the IRQ Routing Table dumped directly from your\n",
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" * memory, which BIOS sets up.\n",
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" *\n",
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" * Documentation at: http://www.microsoft.com/whdc/archive/pciirq.mspx\n */\n\n",
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"#ifdef GETPIR\n",
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"#include \"pirq_routing.h\"\n",
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"#else\n"
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"#include <arch/pirq_routing.h>\n",
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"#endif\n\n"
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"const struct irq_routing_table intel_irq_routing_table = {\n",
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"\tPIRQ_SIGNATURE, /* u32 signature */\n",
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"\tPIRQ_VERSION, /* u16 version */\n",
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0
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};
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void code_gen(char *filename, struct irq_routing_table *rt)
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{
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char **code = preamble;
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struct irq_info *se_arr = (struct irq_info *) ((char *) rt + 32);
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int i, ts = (rt->size - 32) / 16;
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FILE *fpir;
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if ((fpir = fopen(filename, "w")) == NULL) {
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printf("Failed creating file!\n");
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exit(2);
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}
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while (*code)
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fprintf(fpir, "%s", *code++);
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fprintf(fpir, "\t32+16*%d, /* There can be total %d devices on the bus */\n",
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ts, ts);
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fprintf(fpir, "\t0x%02x, /* Where the interrupt router lies (bus) */\n",
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rt->rtr_bus);
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fprintf(fpir, "\t(0x%02x<<3)|0x%01x, /* Where the interrupt router lies (dev) */\n",
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rt->rtr_devfn >> 3, rt->rtr_devfn & 7);
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fprintf(fpir, "\t%#x, /* IRQs devoted exclusively to PCI usage */\n",
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rt->exclusive_irqs);
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fprintf(fpir, "\t%#x, /* Vendor */\n", rt->rtr_vendor);
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fprintf(fpir, "\t%#x, /* Device */\n", rt->rtr_device);
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fprintf(fpir, "\t%#x, /* Miniport */\n",
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rt->miniport_data);
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fprintf(fpir, "\t{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */\n");
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fprintf(fpir, "\t%#x, /* u8 checksum. This has to be set to some\n value that would give 0 after the sum of all\n bytes for this structure (including checksum) */\n",
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rt->checksum);
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fprintf(fpir, "\t{\n");
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fprintf(fpir, "\t\t/* bus, dev|fn, {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap}, slot, rfu */\n");
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for (i = 0; i < ts; i++) {
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fprintf(fpir, "\t\t{0x%02x,(0x%02x<<3)|0x%01x, {{0x%02x, 0x%04x}, {0x%02x, 0x%04x}, {0x%02x, 0x%04x}, {0x%02x, 0x%04x}}, 0x%x, 0x%x},\n",
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(se_arr+i)->bus, (se_arr+i)->devfn >> 3,
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(se_arr+i)->devfn & 7, (se_arr+i)->irq[0].link,
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(se_arr+i)->irq[0].bitmap, (se_arr+i)->irq[1].link,
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(se_arr+i)->irq[1].bitmap, (se_arr+i)->irq[2].link,
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(se_arr+i)->irq[2].bitmap, (se_arr+i)->irq[3].link,
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(se_arr+i)->irq[3].bitmap, (se_arr+i)->slot,
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(se_arr+i)->rfu);
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}
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fprintf(fpir, "\t}\n");
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fprintf(fpir, "};\n");
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fprintf(fpir, "\nunsigned long write_pirq_routing_table(unsigned long addr)\n");
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fprintf(fpir, "{\n");
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fprintf(fpir, "\treturn copy_pirq_routing_table(addr);\n");
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fprintf(fpir, "}\n");
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fclose(fpir);
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}
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