From fd8f02f762f50de5df348c24dbff978c34e74f2c Mon Sep 17 00:00:00 2001 From: Li-Ta Lo Date: Tue, 13 Apr 2004 21:06:45 +0000 Subject: porting getpir to freebios2 git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1500 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- util/getpir/Makefile | 30 ++++++++++ util/getpir/README | 28 +++++++++ util/getpir/checkpir.c | 48 +++++++++++++++ util/getpir/getpir.c | 153 ++++++++++++++++++++++++++++++++++++++++++++++++ util/newconfig/config.g | 37 ++++++++++++ 5 files changed, 296 insertions(+) create mode 100644 util/getpir/Makefile create mode 100644 util/getpir/README create mode 100644 util/getpir/checkpir.c create mode 100644 util/getpir/getpir.c (limited to 'util') diff --git a/util/getpir/Makefile b/util/getpir/Makefile new file mode 100644 index 0000000000..dab85d21f2 --- /dev/null +++ b/util/getpir/Makefile @@ -0,0 +1,30 @@ +# change to the path of your linuxbios tree +#LINUXBIOSROOT=/home/rminnich/src//freebios/ +LINUXBIOSROOT=../.. + +INCLUDEPATH=$(LINUXBIOSROOT)/src/arch/i386/include/arch +INCLUDE2=$(LINUXBIOSROOT)/src/include +INCLUDE3=$(LINUXBIOSROOT)/src/arch/i386/include + + +getpir: getpir.c + gcc -o getpir -I$(INCLUDEPATH) -I$(INCLUDE2) getpir.c + +checkpir: checkpir.c irq_tables.o + gcc -o checkpir -I$(INCLUDEPATH) -I$(INCLUDE2) irq_tables.o checkpir.c + +assignirq: assignirq.c irq_tables.o + gcc -g -o assignirq -I$(INCLUDEPATH) -I$(INCLUDE2) assignirq.c -lpci + +irq_tables.o: irq_tables.c + gcc -c -I$(INCLUDEPATH) -I$(INCLUDE2) -I$(INCLUDE3) irq_tables.c + +clean: + rm -f irq_tables.o getpir checkpir assignirq *~ + +cleantable: + rm -f irq_table.o + +test: checkpir + ./checkpir ;\ + exit 0; diff --git a/util/getpir/README b/util/getpir/README new file mode 100644 index 0000000000..771aeb9bfb --- /dev/null +++ b/util/getpir/README @@ -0,0 +1,28 @@ +ABOUT: + +This utility will help to create irq_table.c file, that is very hard to create manually, +specialy when you are testing new motherboards, changing your hardware often, placing new cards, etc.. + + +INSTALL: + +edit Makefile, define the root to Linuxbios tree +make + +USAGE: + +./getpir + +Will dump irq table to the file called irq_tables.c, ready to use with Linuxbios. Just move the +file to corresponding place in the linux bios tree. + + +CHECKING CUSTOM irq_tables.c: + +checkpir.c Will verify the irq_tables.c, currently it only checks the checksum. In case of wrong +checksum, a good value is proposed, so you can edit irq_tables.c manualy and replace checksum. +Run the command like this: + +make test + +Do not run ./checkpir directly because it needs to be linked to irq_table.o first. diff --git a/util/getpir/checkpir.c b/util/getpir/checkpir.c new file mode 100644 index 0000000000..e86af49215 --- /dev/null +++ b/util/getpir/checkpir.c @@ -0,0 +1,48 @@ +/* checkpir.c : This software is released under GPL + For Linuxbios use only + Aug 26 2001 , Nikolai Vladychevski, +*/ + +#include +#include +#include + +#include +#include + +#define PIRQ_SIGNATURE (('$' << 0) + ('P' << 8) + ('I' << 16) + ('R' << 24)) +#define PIRQ_VERS 0x0100 + +struct irq_info se_arr[50]; +struct irq_routing_table *rt; + +int calc_checksum(struct irq_routing_table *rt) +{ + long sum = 0, i; + uint8_t *addr, sum2 = 0; + + addr = (uint8_t *) rt; + for (i = 0; i < rt->size; i++) + sum2 += addr[i]; + return (sum2); +} + +main() +{ + uint8_t sum, newsum; + + rt = (struct irq_routing_table *) &intel_irq_routing_table; + sum = calc_checksum(rt); + + printf("Validating checksum, file: irq_tables.c that was in ./ at compile time...\n"); + printf("(no other tests are done)\n"); + + if (!sum) { + printf("Checksum for IRQ Routing table is ok. You can use it in LinuxBios now\n"); + } else { + newsum = rt->checksum - sum; + printf("BAD CHECKSUM for IRQ Routing table !!!!\n"); + printf("If you want to make it valid, change the checksum to: %#x\n", + newsum); + } +} diff --git a/util/getpir/getpir.c b/util/getpir/getpir.c new file mode 100644 index 0000000000..8c868fe028 --- /dev/null +++ b/util/getpir/getpir.c @@ -0,0 +1,153 @@ +/* getpir.c : This software is released under GPL + For Linuxbios use only + Aug 26 2001 , Nikolai Vladychevski, +*/ + +#include +#include +#include + +#include +#include + +#define PIRQ_SIGNATURE (('$' << 0) + ('P' << 8) + ('I' << 16) + ('R' << 24)) +#define PIRQ_VERS 0x0100 + +struct irq_info se_arr[50]; +struct irq_routing_table rt; +unsigned short ts; + + +int calc_checksum() +{ + long sum = 0, i, j; + uint8_t *addr, sum2 = 0, data; + + addr = (uint8_t *) & rt; + for (i = 0; i < sizeof(struct irq_routing_table); i++) + sum2 += addr[i]; + for (i = 0; i < ts; i++) { + addr = (uint8_t *) & se_arr[i]; + for (j = 0; j < sizeof(struct irq_info); j++) + sum2 += addr[j]; + } + return (sum2); +} + +main() +{ + FILE *fmem, *fpir; + size_t rcount = 0; + unsigned long b, p, pir = PIRQ_SIGNATURE; + unsigned long count; + int i, valid = 1, print = 0; + char cksum = 0; + unsigned char *ptr; + + if (getuid()) { + perror("Run me as root, I need access to /dev/mem"); + exit(1); + } + + printf("Opening memory...\n"); + fmem = fopen("/dev/mem", "r"); + do { + rcount = fread(&b, 1, 4, fmem); + if (rcount > 0) { + if (b == pir) { + valid = 1; + printf("Found PCI IRQ Routing table signature at %x bytes from top of the memory\nValidating../\n", + count); + rt.signature = PIRQ_SIGNATURE; + ptr = (char *) &rt; + ptr = ptr + 4; // signature was read, advance 4 bytes + rcount = fread(ptr, 1, sizeof(struct irq_routing_table) - 4, fmem); + count = count + rcount; + printf("Version is:%d Table size:%d\n", + rt.version, rt.size); + if (rt.version != PIRQ_VERS) { + printf("Invalid version\n"); + valid = 0; + } + if (rt.size < 32) { + printf(" Invalid table size\n"); + valid = 0; + } + if (rt.size % 16) { + printf(" Invalid table size (not a multiple of 16)\n"); + valid = 0; + } + if (valid) { + // read slot entries + ts = (rt.size - 32) / 16; + printf("Reading %d slot entries...\n", ts); + for (i = 0; i < ts; i++) { + rcount = + fread(&se_arr[i], 1, 16, fmem); + count = count + rcount; + } + print = 1; + break; + } + } else { + count = count + rcount; + } + } + } while (rcount > 0); + + if (!calc_checksum()) + printf("Checksum is ok!\n"); + printf("Closing memory\n"); + fclose(fmem); + + if (!print) { + printf("No table for you...\n"); + return (0); + } + + printf("Creating irq_tables.c .....\n"); + fpir = fopen("irq_tables.c", "w"); + if (!fpir) { + printf("Failed creating file!\n"); + exit(2); + } + + fprintf(fpir, "/* This file was generated by getpir.c, do not modify! \n (but if you do, please run checkpir on it to verify)\n"); + fprintf(fpir, " Contains the IRQ Routing Table dumped directly from your memory , wich BIOS sets up\n\n"); + fprintf(fpir, " Documentation at : http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM\n*/\n\n"); + fprintf(fpir, "#include \n\n"); + fprintf(fpir, "const struct irq_routing_table intel_irq_routing_table = {\n"); + fprintf(fpir, "\tPIRQ_SIGNATURE, /* u32 signature */\n"); + fprintf(fpir, "\tPIRQ_VERSION, /* u16 version */\n"); + 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"); + fclose(fpir); + printf("Done, you can move the file to the LinuxBios tree now.\n"); +} diff --git a/util/newconfig/config.g b/util/newconfig/config.g index aa48ead780..4e98e02ed3 100644 --- a/util/newconfig/config.g +++ b/util/newconfig/config.g @@ -1941,6 +1941,42 @@ def writeldoptions(image): file.write("%s = %s;\n" % (o.name, getformated(o.name, image))) file.close() +# Write doxygen file. +def writedoxygenfile(image): + doxyscriptbase = os.path.join(treetop, "src/config/doxyscript.base") + doxyfilepath = os.path.join(image.gettargetdir(), "LinuxBIOSDoc.config") + print "Creating", doxyfilepath + file = safe_open(doxyfilepath, 'w+') + +# FIXME. Should be computing .c once. Fix this in objectrules.append + file.write("INPUT= \\\n") + for irule, init in image.getinitobjectrules().items(): + source = init[1] + if (source[-2:] != '.c'): # no suffix. Build name. + base = init[0][:-2] + source = os.path.join(source, base) + ".c" + file.write("%s \\\n" % source) + for objrule, obj in image.getobjectrules().items(): + source = obj[1] + if (source[-2:] != '.c'): # no suffix. Build name. + base = obj[0][:-2] + source = os.path.join(source, base) + ".c" + file.write("%s \\\n" % source) + for driverrule, driver in image.getdriverrules().items(): + source = driver[1] + if (source[-2:] != '.c'): # no suffix. Build name. + base = driver[0][:-2] + source = os.path.join(source, base) + ".c" + file.write("%s \\\n" % source) + + fp = safe_open(doxyscriptbase, 'r') + doxylines = fp.readlines() + if (debug): + print "DOXYLINES ",doxylines + for line in doxylines: + file.write(line) + file.close(); + def dumptree(part, lvl): debug.info(debug.dumptree, "DUMPTREE ME is") part.dumpme(lvl) @@ -2056,6 +2092,7 @@ if __name__=='__main__': writeinitincludes(image) writeimagemakefile(image) writeldoptions(image) + writedoxygenfile(image) writemakefilesettings(target_dir) writemakefile(target_dir) -- cgit v1.2.3