diff options
Diffstat (limited to 'util/getpir')
-rw-r--r-- | util/getpir/Makefile | 24 | ||||
-rw-r--r-- | util/getpir/README | 30 | ||||
-rw-r--r-- | util/getpir/checkpir.c | 31 | ||||
-rw-r--r-- | util/getpir/checksum.c | 13 | ||||
-rw-r--r-- | util/getpir/checksum.h | 6 | ||||
-rw-r--r-- | util/getpir/code_gen.c | 88 | ||||
-rw-r--r-- | util/getpir/code_gen.h | 6 | ||||
-rw-r--r-- | util/getpir/getpir.c | 189 | ||||
-rw-r--r-- | util/getpir/pirq_routing.h | 55 |
9 files changed, 0 insertions, 442 deletions
diff --git a/util/getpir/Makefile b/util/getpir/Makefile deleted file mode 100644 index 94270f54a6..0000000000 --- a/util/getpir/Makefile +++ /dev/null @@ -1,24 +0,0 @@ -# -# -# - -CC=gcc -CFLAGS=-O2 -D_GNU_SOURCE -DGETPIR -Wall - -all: getpir - -getpir: getpir.o checksum.o code_gen.o - $(CC) $(CFLAGS) -o getpir $^ - -checkpir: checkpir.c checksum.o irq_tables.o - $(CC) $(CFLAGS) -o checkpir $^ - -irq_tables.c: getpir - ./getpir - -clean: - rm -f getpir checkpir *.o *~ - -distclean: clean - rm -f irq_tables.o irq_tables.c - diff --git a/util/getpir/README b/util/getpir/README deleted file mode 100644 index 651458583b..0000000000 --- a/util/getpir/README +++ /dev/null @@ -1,30 +0,0 @@ -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.. - -USAGE: - -Steps -1. make distclean; -2. make getpir -3. ./getpir - - Will dump irq table to the file called irq_tables.c, ready to use with - coreboot. Just move the file to corresponding place in the coreboot tree. - - -4. CHECKING CUSTOM irq_tables.c: - - make checkpir - ./checkpir - - 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. - - -Do not run make checkpir and ./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 deleted file mode 100644 index c9703c6f3c..0000000000 --- a/util/getpir/checkpir.c +++ /dev/null @@ -1,31 +0,0 @@ -/* checkpir.c : This software is released under GPL - * For coreboot use only - * Aug 26 2001 , Nikolai Vladychevski, <niko@isl.net.mx> - */ - -#include <stdio.h> -#include "pirq_routing.h" -#include "checksum.h" - -struct irq_routing_table *rt; - -int main(void) -{ - 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 irq_tables.c in coreboot 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); - } - return 0; -} diff --git a/util/getpir/checksum.c b/util/getpir/checksum.c deleted file mode 100644 index bcf342573f..0000000000 --- a/util/getpir/checksum.c +++ /dev/null @@ -1,13 +0,0 @@ -#include "pirq_routing.h" -#include "checksum.h" - -int calc_checksum(struct irq_routing_table *rt) -{ - long i; - uint8_t *addr, sum = 0; - - addr = (uint8_t *) rt; - for (i = 0; i < rt->size; i++) - sum += addr[i]; - return (sum); -} diff --git a/util/getpir/checksum.h b/util/getpir/checksum.h deleted file mode 100644 index 2acc433b75..0000000000 --- a/util/getpir/checksum.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __CHECKSUM_H__ -#define __CHECKSUM_H__ - -int calc_checksum(struct irq_routing_table *rt); - -#endif /* __CHECKSUM_H__ */ diff --git a/util/getpir/code_gen.c b/util/getpir/code_gen.c deleted file mode 100644 index d15715c220..0000000000 --- a/util/getpir/code_gen.c +++ /dev/null @@ -1,88 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> -#include "pirq_routing.h" - -static char *preamble[] = { - - "/*\n", - " * This file is part of the coreboot project.\n", - " *\n", - " * Copyright (C) 200x TODO <TODO@TODO>\n", - " *\n", - " * This program is free software; you can redistribute it and/or modify\n", - " * it under the terms of the GNU General Public License as published by\n", - " * the Free Software Foundation; either version 2 of the License, or\n", - " * (at your option) any later version.\n", - " *\n", - " * This program is distributed in the hope that it will be useful,\n", - " * but WITHOUT ANY WARRANTY; without even the implied warranty of\n", - " * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n", - " * GNU General Public License for more details.\n", - " *\n", - " * You should have received a copy of the GNU General Public License\n", - " * along with this program; if not, write to the Free Software\n", - " * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\n", - " */\n\n", - "#ifdef GETPIR /* TODO: Drop this when copying to coreboot. */\n", - "#include \"pirq_routing.h\" /* TODO: Drop this when copying to coreboot. */\n", - "#else /* TODO: Drop this when copying to coreboot. */\n" - "#include <arch/pirq_routing.h>\n", - "#endif /* TODO: Drop this when copying to coreboot. */\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(char *filename, 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; - FILE *fpir; - - if ((fpir = fopen(filename, "w")) == NULL) { - printf("Failed creating file!\n"); - exit(2); - } - - while (*code) - fprintf(fpir, "%s", *code++); - - fprintf(fpir, "\t32 + 16 * %d, /* Max. number of devices on the bus */\n", - ts); - fprintf(fpir, "\t0x%02x, /* Interrupt router bus */\n", - rt->rtr_bus); - fprintf(fpir, "\t(0x%02x << 3) | 0x%01x, /* Interrupt router 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, /* 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, /* 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", - 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, 0x%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"); - - fprintf(fpir, "\nunsigned long write_pirq_routing_table(unsigned long addr)\n"); - fprintf(fpir, "{\n"); - fprintf(fpir, "\treturn copy_pirq_routing_table(addr);\n"); - fprintf(fpir, "}\n"); - - fclose(fpir); -} diff --git a/util/getpir/code_gen.h b/util/getpir/code_gen.h deleted file mode 100644 index 93bdaec74f..0000000000 --- a/util/getpir/code_gen.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __CODE_GEN_H__ -#define __CODE_GEN_H__ - -void code_gen(char *filename, struct irq_routing_table *rt); - -#endif /* __CODE_GEN_H__ */ diff --git a/util/getpir/getpir.c b/util/getpir/getpir.c deleted file mode 100644 index 9853d7ca94..0000000000 --- a/util/getpir/getpir.c +++ /dev/null @@ -1,189 +0,0 @@ -/* getpir.c : This software is released under GPL - * For coreboot use only - * Aug 26 2001 , Nikolai Vladychevski, <niko@isl.net.mx> - * 2007.04.09 Jeremy Jackson <jerj@coplanar.net> - * updated for amd64 and general 64 bit portability - * 2010.04.24 Marc Bertens <mbertens@xs4all.nl> - * Added functionality to read a image file for checking the checksum of the PIR - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <fcntl.h> -#include <sys/mman.h> -#include <sys/types.h> -#include <sys/stat.h> - -#include "pirq_routing.h" -#include "checksum.h" -#include "code_gen.h" - -#if defined (__sun) && (defined(__i386) || defined(__amd64)) -# define MEM_DEV "/dev/xsvc" -#else -# define MEM_DEV "/dev/mem" -#endif - -/** - * The probe_table() is now called with the pointer to the memory, - * this is to handle both the assessing memory and a file. - * - * This function now dumps the table found to the stdout, with - * descriptions, it is special handy when building a PIRQ table - * for a board to check the checksum. - */ -static struct irq_routing_table *probe_table(char* ptr) -{ - /** - * Signature to search for $PIR<2-byte-version> - * - * this is to be sure that we find the correct table. - */ - char signature[] = "$PIR\x00\x01"; - /** cast the pointer */ - struct irq_routing_table *rt = (struct irq_routing_table *)ptr; - int size = 16; - int checksum_result; - do { - /** find the PIRQ table */ - rt = (struct irq_routing_table *) memmem(ptr + size, 16, signature, 6); - if (rt != NULL) { - /** found the table */ - int i, ts = (rt->size - 32) / 16; - struct irq_info *se_arr; - se_arr = (struct irq_info *) ((char *) rt + 32); - /** Dump the table information to the stdout */ - printf("Found PCI IRQ routing table signature at %p.\n", (void *) ((char *) rt - ptr + 0xf0000)); - printf("SIGNATURE = %s\n", (char*)&rt->signature); - printf("VERSION = %04x\n", rt->version); - printf("SIZE = %i\n", rt->size); - printf("MAX_DEVICES_ON_BUS = 32 + 16 * %d\n", ts); - printf("INT_ROUTER_BUS = 0x%02x\n", rt->rtr_bus); - printf("INT_ROUTER DEVICE = (0x%02x << 3) | 0x%01x\n", rt->rtr_devfn >> 3, rt->rtr_devfn & 7); - printf("IRQ_DEVOTED_TO_PCI = %#x\n", rt->exclusive_irqs); - printf("VENDOR = %#x\n", rt->rtr_vendor); - printf("DEVICE = %#x\n", rt->rtr_device); - printf("MINIPORT = %#x\n", rt->miniport_data); - printf("CHECKSUM = %#x\n", rt->checksum); - printf("\tbus , dev | fn, {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap}, slot, rfu\n"); - for (i = 0; i < ts; i++) { - printf("\t0x%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", - (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); - } - /** A table should not be over 0x400 bytes */ - if (rt->size > 0x400) { - return NULL; - } - printf("Validating...\n"); - /** Calculate the checksum value */ - checksum_result = calc_checksum(rt); - /** Show the calculatedchecksum value */ - printf("CHECKSUM = %#x\n", 0x100-((checksum_result - rt->checksum) & 0xFF)); - /** and the result of the calculation */ - if (!checksum_result) { - printf("checksum is ok.\n"); - break; - } else { - printf("checksum is wrong.\n"); - } - } - size += 16; - } while (size < 0xFFFF); - if (size >= 0xFFFF) { - /** When the functions comes here there is no PIRQ table found. */ - printf("No PCI IRQ routing table signature found.\n"); - return NULL; - } - - return rt; -} - -int main(int argc, char* argv[]) -{ - char* ptr; - int fd_mem = -1; - struct irq_routing_table* rt = NULL; - void* bios_image = NULL; - if ( argc > 1 ) - { - /** there a paramater passed to the program, assume that it is a menory file */ - printf("Opening memory image file '%s'\n", argv[1]); - /** Open the file */ - fd_mem = open(argv[1], O_RDONLY); - if (fd_mem > 0) { - /** get tyhe size of the file */ - int file_size = lseek(fd_mem, 0, SEEK_END); - printf("Memory image '%i'\n", file_size); - /** get a memory block for it. */ - bios_image = malloc(file_size); - if (bios_image) { - /** Fill the created buffer */ - lseek(fd_mem, 0, SEEK_SET); - read(fd_mem, bios_image, file_size); - /** set the pointer for the probe function */ - ptr = (char*)bios_image; - } else { - /* no memory available ? */ - perror("Failed to open imagefile\n"); - return (-3); - } - } else { - /** An error occourd, just exit with a message */ - perror("Failed to open imagefile"); - return (-2); - } - } else { - /** No paramaters means that the program will access the system memory */ - printf("Accessing memory\n"); - if (getuid()) { - /** i'm not root message !!!! */ - fprintf(stderr, "Run me as root, I need access to " MEM_DEV ".\n"); - } - /** open the system memory */ - fd_mem = open(MEM_DEV, O_RDONLY); - if (fd_mem < 0) { - /** could not open the system memory, exit with a message */ - perror("Could not open " MEM_DEV ":"); - exit(1); - } - printf("Probing PIRQ table in memory.\n"); - ptr = mmap(0, 0x10000, PROT_READ, MAP_SHARED, fd_mem, (off_t)0xf0000); - if (ptr == MAP_FAILED) { - /** could not map the system memory, exit with a message */ - perror("Mapping system memory failed: "); - close(fd_mem); - return (1); - } - } - if (ptr) { - /** now do the actual probe function */ - rt = probe_table(ptr); - if (rt != NULL && bios_image == NULL) { - /** when probing system memory we write the 'irq_tables.c' code file */ - printf("Creating irq_tables.c ...\n"); - code_gen("irq_tables.c", rt); - printf("Done, you can move the file to the coreboot tree now.\n"); - } - } else { - printf("invalid memory pointer\n"); - } - if (bios_image) { - /** when we are reading from a file the memory must be released */ - free(bios_image); - } else { - /** when reading from the system memory, it must be unmapped */ - munmap(ptr, 0x10000); - } - /** Close the file handle */ - close(fd_mem); - /** return 0 as OK ) */ - return 0; -} diff --git a/util/getpir/pirq_routing.h b/util/getpir/pirq_routing.h deleted file mode 100644 index 88adc210ba..0000000000 --- a/util/getpir/pirq_routing.h +++ /dev/null @@ -1,55 +0,0 @@ -#ifndef ARCH_PIRQ_ROUTING_H -#define ARCH_PIRQ_ROUTING_H - -#include <stdint.h> - -#define PIRQ_SIGNATURE (('$' << 0) + ('P' << 8) + ('I' << 16) + ('R' << 24)) -#define PIRQ_VERSION 0x0100 - -struct irq_info { - uint8_t bus, devfn; /* Bus, device and function */ - struct { - uint8_t link; /* IRQ line ID, chipset dependent, 0=not routed */ - uint16_t bitmap; /* Available IRQs */ - } __attribute__((packed)) irq[4]; - uint8_t slot; /* Slot number, 0=onboard */ - uint8_t rfu; -} __attribute__((packed)); - -#if defined(CONFIG_IRQ_SLOT_COUNT) -#define IRQ_SLOTS_COUNT CONFIG_IRQ_SLOT_COUNT -#elif (__GNUC__ < 3) -#define IRQ_SLOTS_COUNT 1 -#else -#define IRQ_SLOTS_COUNT -#endif - -struct irq_routing_table { - uint32_t signature; /* PIRQ_SIGNATURE should be here */ - uint16_t version; /* PIRQ_VERSION */ - uint16_t size; /* Table size in bytes */ - uint8_t rtr_bus, rtr_devfn; /* Where the interrupt router lies */ - uint16_t exclusive_irqs; /* IRQs devoted exclusively to PCI usage */ - uint16_t rtr_vendor, rtr_device; /* Vendor and device ID of interrupt router */ - uint32_t miniport_data; /* Miniport data */ - uint8_t rfu[11]; - uint8_t checksum; /* Modulo 256 checksum must give zero */ - struct irq_info slots[IRQ_SLOTS_COUNT]; -} __attribute__((packed)); - -extern const struct irq_routing_table intel_irq_routing_table; - -#ifdef GETPIR -#define copy_pirq_routing_table(start) (start) -unsigned long write_pirq_routing_table(unsigned long start); -#else -#if CONFIG_HAVE_PIRQ_TABLE==1 -unsigned long copy_pirq_routing_table(unsigned long start); -unsigned long write_pirq_routing_table(unsigned long start); -#else -#define copy_pirq_routing_table(start) (start) -#define write_pirq_routing_table(start) (start) -#endif -#endif - -#endif /* ARCH_PIRQ_ROUTING_H */ |