LXR coreboot/util/getpir/code

   1#include <stdio.h>
   2#include <stdlib.h>
   3#include "pirq_routing.h"
   4
   5static char *preamble[] = {
   6
   7        "/*\n",
   8        " * This file is part of the coreboot project.\n",
   9        " *\n",
  10        " * Copyright (C) 200x TODO <TODO@TODO>\n",
  11        " *\n",
  12        " * This program is free software; you can redistribute it and/or modify\n",
  13        " * it under the terms of the GNU General Public License as published by\n",
  14        " * the Free Software Foundation; either version 2 of the License, or\n",
  15        " * (at your option) any later version.\n",
  16        " *\n",
  17        " * This program is distributed in the hope that it will be useful,\n",
  18        " * but WITHOUT ANY WARRANTY; without even the implied warranty of\n",
  19        " * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n",
  20        " * GNU General Public License for more details.\n",
  21        " *\n",
  22        " * You should have received a copy of the GNU General Public License\n",
  23        " * along with this program; if not, write to the Free Software\n",
  24        " * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA\n",
  25        " */\n\n",
  26        "#ifdef GETPIR                  /* TODO: Drop this when copying to coreboot. */\n",
  27        "#include \"pirq_routing.h\"    /* TODO: Drop this when copying to coreboot. */\n",
  28        "#else                          /* TODO: Drop this when copying to coreboot. */\n"
  29        "#include <arch/pirq_routing.h>\n",
  30        "#endif                         /* TODO: Drop this when copying to coreboot. */\n\n"
  31        "const struct irq_routing_table intel_irq_routing_table = {\n",
  32        "\tPIRQ_SIGNATURE,              /* u32 signature */\n",
  33        "\tPIRQ_VERSION,                /* u16 version */\n",
  34        0
  35};
  36
  37void code_gen(char *filename, struct irq_routing_table *rt)
  38{
  39        char **code = preamble;
  40        struct irq_info *se_arr = (struct irq_info *) ((char *) rt + 32);
  41        int i, ts = (rt->size - 32) / 16;
  42        FILE *fpir;
  43
  44        if ((fpir = fopen(filename, "w")) == NULL) {
  45                printf("Failed creating file!\n");
  46                exit(2);
  47        }
  48
  49        while (*code)
  50                fprintf(fpir, "%s", *code++);
  51
  52        fprintf(fpir, "\t32 + 16 * %d,          /* Max. number of devices on the bus */\n",
  53                ts);
  54        fprintf(fpir, "\t0x%02x,                        /* Interrupt router bus */\n",
  55                rt->rtr_bus);
  56        fprintf(fpir, "\t(0x%02x << 3) | 0x%01x,        /* Interrupt router dev */\n",
  57                rt->rtr_devfn >> 3, rt->rtr_devfn & 7);
  58        fprintf(fpir, "\t%#x,                   /* IRQs devoted exclusively to PCI usage */\n",
  59                rt->exclusive_irqs);
  60        fprintf(fpir, "\t%#x,                   /* Vendor */\n", rt->rtr_vendor);
  61        fprintf(fpir, "\t%#x,                   /* Device */\n", rt->rtr_device);
  62        fprintf(fpir, "\t%#x,                   /* Miniport */\n",
  63                rt->miniport_data);
  64        fprintf(fpir, "\t{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */\n");
  65        fprintf(fpir, "\t%#x,                   /* Checksum (has to be set to some value that\n                          * would give 0 after the sum of all bytes\n                             * for this structure (including checksum).\n                                 */\n",
  66                rt->checksum);
  67        fprintf(fpir, "\t{\n");
  68        fprintf(fpir, "\t\t/* bus,        dev | fn,   {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap}, slot, rfu */\n");
  69        for (i = 0; i < ts; i++) {
  70                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",
  71                        (se_arr+i)->bus, (se_arr+i)->devfn >> 3,
  72                        (se_arr+i)->devfn & 7, (se_arr+i)->irq[0].link,
  73                        (se_arr+i)->irq[0].bitmap, (se_arr+i)->irq[1].link,
  74                        (se_arr+i)->irq[1].bitmap, (se_arr+i)->irq[2].link,
  75                        (se_arr+i)->irq[2].bitmap, (se_arr+i)->irq[3].link,
  76                        (se_arr+i)->irq[3].bitmap, (se_arr+i)->slot,
  77                        (se_arr+i)->rfu);
  78        }
  79        fprintf(fpir, "\t}\n");
  80        fprintf(fpir, "};\n");
  81
  82        fprintf(fpir, "\nunsigned long write_pirq_routing_table(unsigned long addr)\n");
  83        fprintf(fpir, "{\n");
  84        fprintf(fpir, "\treturn copy_pirq_routing_table(addr);\n");
  85        fprintf(fpir, "}\n");
  86
  87        fclose(fpir);
  88}
  89