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| author | Li-Ta Lo <ollie@lanl.gov> | 2004-04-14 22:24:50 +0000 |
|---|---|---|
| committer | Li-Ta Lo <ollie@lanl.gov> | 2004-04-14 22:24:50 +0000 |
| commit | 6463ae7f1bd1f7ab60725529cf79af30a0e7297d (patch) | |
| tree | e8ddaba7c8da40c8f125149b0c3457c48550f619 /util/getpir/code_gen.c | |
| parent | 815a80316448f72ec9501da5c545595c30880e70 (diff) | |
| download | coreboot-6463ae7f1bd1f7ab60725529cf79af30a0e7297d.tar.xz | |
seperate checksum and code generating code.
use mmap instead of file io
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1504 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'util/getpir/code_gen.c')
| -rw-r--r-- | util/getpir/code_gen.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/util/getpir/code_gen.c b/util/getpir/code_gen.c new file mode 100644 index 0000000000..32528633a0 --- /dev/null +++ b/util/getpir/code_gen.c @@ -0,0 +1,55 @@ +#include <stdio.h> +#include <arch/pirq_routing.h> + +static char *preamble[] = { + "/* This file was generated by getpir.c, do not modify! \n (but if you do, please run checkpir on it to verify)\n", + " * Contains the IRQ Routing Table dumped directly from your memory, which BIOS sets up\n", + " *\n", + " * Documentation at : http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM\n*/\n\n", + "#include <arch/pirq_routing.h>\n\n", + "const struct irq_routing_table intel_irq_routing_table = {\n", + "\tPIRQ_SIGNATURE, /* u32 signature */\n", + "\tPIRQ_VERSION, /* u16 version */\n", + 0 +}; + +void code_gen(FILE * fpir, struct irq_routing_table *rt) +{ + char **code = preamble; + struct irq_info *se_arr = (struct irq_info *) ((char *) rt + 32); + int i, ts = (rt->size - 32) / 16; + + while (*code) + fprintf(fpir, "%s", *code++); + + + fprintf(fpir, "\t32+16*%d, /* there can be total %d devices on the bus */\n", + ts, ts); + fprintf(fpir, "\t0x%02x, /* Where the interrupt router lies (bus) */\n", + rt->rtr_bus); + fprintf(fpir, "\t(0x%02x<<3)|0x%01x, /* Where the interrupt router lies (dev) */\n", + rt->rtr_devfn >> 3, rt->rtr_devfn & 7); + fprintf(fpir, "\t%#x, /* IRQs devoted exclusively to PCI usage */\n", + rt->exclusive_irqs); + fprintf(fpir, "\t%#x, /* Vendor */\n", rt->rtr_vendor); + fprintf(fpir, "\t%#x, /* Device */\n", rt->rtr_device); + fprintf(fpir, "\t%#x, /* Crap (miniport) */\n", + rt->miniport_data); + fprintf(fpir, "\t{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */\n"); + fprintf(fpir, "\t%#x, /* u8 checksum , this hase to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */\n", + rt->checksum); + fprintf(fpir, "\t{\n"); + fprintf(fpir, "\t\t/* bus, dev|fn, {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap}, slot, rfu */\n"); + for (i = 0; i < ts; i++) { + 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, 0x0%04x}}, 0x%x, 0x%x},\n", + (se_arr+i)->bus, (se_arr+i)->devfn >> 3, + (se_arr+i)->devfn & 7, (se_arr+i)->irq[0].link, + (se_arr+i)->irq[0].bitmap, (se_arr+i)->irq[1].link, + (se_arr+i)->irq[1].bitmap, (se_arr+i)->irq[2].link, + (se_arr+i)->irq[2].bitmap, (se_arr+i)->irq[3].link, + (se_arr+i)->irq[3].bitmap, (se_arr+i)->slot, + (se_arr+i)->rfu); + } + fprintf(fpir, "\t}\n"); + fprintf(fpir, "};\n"); +} |