[dev][pci] move the pci console commands into the pci bus driver
Remove app/pcitests since it was just the console commands.
This commit is contained in:
Travis Geiselbrecht
@@ -1,240 +0,0 @@
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/*
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* Copyright (c) 2009 Corey Tabaka
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*
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* Use of this source code is governed by a MIT-style
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* license that can be found in the LICENSE file or at
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* https://opensource.org/licenses/MIT
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*/
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#include <app.h>
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#include <lk/debug.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <lk/compiler.h>
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#include <platform.h>
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#include <dev/bus/pci.h>
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#include <lk/console_cmd.h>
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/*
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* enumerates pci devices
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*/
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static void pci_list(void) {
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pci_location_t state;
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uint16_t device_id, vendor_id;
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uint8_t header_type;
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uint8_t base_class, sub_class, interface;
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int busses = 0, devices = 0, lines = 0, devfn, ret;
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int c;
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printf("Scanning...\n");
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for (state.bus = 0; state.bus <= pci_get_last_bus(); state.bus++) {
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busses++;
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for (devfn = 0; devfn < 256; devfn++) {
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state.dev_fn = devfn;
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ret = pci_read_config_half(&state, PCI_CONFIG_VENDOR_ID, &vendor_id);
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if (ret != _PCI_SUCCESSFUL) goto error;
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ret = pci_read_config_half(&state, PCI_CONFIG_DEVICE_ID, &device_id);
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if (ret != _PCI_SUCCESSFUL) goto error;
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ret = pci_read_config_byte(&state, PCI_CONFIG_HEADER_TYPE, &header_type);
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if (ret != _PCI_SUCCESSFUL) goto error;
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ret = pci_read_config_byte(&state, PCI_CONFIG_CLASS_CODE_BASE, &base_class);
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if (ret != _PCI_SUCCESSFUL) goto error;
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ret = pci_read_config_byte(&state, PCI_CONFIG_CLASS_CODE_SUB, &sub_class);
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if (ret != _PCI_SUCCESSFUL) goto error;
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ret = pci_read_config_byte(&state, PCI_CONFIG_CLASS_CODE_INTR, &interface);
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if (ret != _PCI_SUCCESSFUL) goto error;
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if (vendor_id != 0xffff) {
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printf("%02x:%02x.%0x vendor_id=%04x device_id=%04x, header_type=%02x "
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"base_class=%02x, sub_class=%02x, interface=%02x\n",
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state.bus, state.dev_fn >> 3, state.dev_fn & 7,
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vendor_id, device_id, header_type, base_class, sub_class, interface);
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devices++;
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lines++;
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}
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if (((devfn & 7) == 0) && ~header_type & PCI_HEADER_TYPE_MULTI_FN) {
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// this is not a multi-function device, so advance to the next device
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// only check when looking at function 0 of a device
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devfn |= 7;
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}
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if (lines == 23) {
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printf("... press any key to continue, q to quit ...");
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while ((c = getchar()) < 0);
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printf("\n");
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lines = 0;
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if (c == 'q' || c == 'Q') goto quit;
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}
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}
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}
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printf("... done. Scanned %d busses, %d device/functions\n", busses, devices);
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quit:
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return;
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error:
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printf("Error while reading PCI config space: %02x\n", ret);
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}
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/*
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* a somewhat fugly pci config space examine/modify command. this should probably
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* be broken up a bit.
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*/
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static int pci_config(int argc, const console_cmd_args *argv) {
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pci_location_t loc;
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pci_config_t config;
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uint32_t offset;
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unsigned int i;
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int ret;
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if (argc < 5) {
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return -1;
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}
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if (!strcmp(argv[2].str, "dump")) {
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loc.bus = atoui(argv[3].str);
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loc.dev_fn = atoui(argv[4].str);
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for (i=0; i < sizeof(pci_config_t); i++) {
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ret = pci_read_config_byte(&loc, i, (uint8_t *) &config + i);
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if (ret != _PCI_SUCCESSFUL) goto error;
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}
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printf("Device at %02x:%02x.%1x vendor id=%04x device id=%04x\n", loc.bus,
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loc.dev_fn >> 3, loc.dev_fn & 7, config.vendor_id, config.device_id);
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printf("command=%04x status=%04x pi=%02x sub cls=%02x base cls=%02x\n",
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config.command, config.status, config.program_interface,
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config.sub_class, config.base_class);
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for (i=0; i < 6; i+=2) {
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printf("bar%d=%08x bar%d=%08x\n", i, config.base_addresses[i],
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i+1, config.base_addresses[i+1]);
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}
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} else if (!strcmp(argv[2].str, "rb") || !strcmp(argv[2].str, "rh") || !strcmp(argv[2].str, "rw")) {
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if (argc != 6) {
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return -1;
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}
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loc.bus = atoui(argv[3].str);
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loc.dev_fn = atoui(argv[4].str);
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offset = atoui(argv[5].str);
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switch (argv[2].str[1]) {
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case 'b': {
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uint8_t value;
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ret = pci_read_config_byte(&loc, offset, &value);
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if (ret != _PCI_SUCCESSFUL) goto error;
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printf("byte at device %02x:%02x config offset %04x: %02x\n", loc.bus, loc.dev_fn, offset, value);
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}
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break;
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case 'h': {
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uint16_t value;
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ret = pci_read_config_half(&loc, offset, &value);
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if (ret != _PCI_SUCCESSFUL) goto error;
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printf("half at device %02x:%02x config offset %04x: %04x\n", loc.bus, loc.dev_fn, offset, value);
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}
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break;
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case 'w': {
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uint32_t value;
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ret = pci_read_config_word(&loc, offset, &value);
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if (ret != _PCI_SUCCESSFUL) goto error;
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printf("word at device %02x:%02x config offset %04x: %08x\n", loc.bus, loc.dev_fn, offset, value);
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}
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break;
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}
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} else if (!strcmp(argv[2].str, "mb") || !strcmp(argv[2].str, "mh") || !strcmp(argv[2].str, "mw")) {
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if (argc != 7) {
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return -1;
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}
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loc.bus = atoui(argv[3].str);
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loc.dev_fn = atoui(argv[4].str);
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offset = atoui(argv[5].str);
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switch (argv[2].str[1]) {
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case 'b': {
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uint8_t value = atoui(argv[6].str);
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ret = pci_write_config_byte(&loc, offset, value);
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if (ret != _PCI_SUCCESSFUL) goto error;
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printf("byte to device %02x:%02x config offset %04x: %02x\n", loc.bus, loc.dev_fn, offset, value);
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}
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break;
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case 'h': {
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uint16_t value = atoui(argv[6].str);
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ret = pci_write_config_half(&loc, offset, value);
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if (ret != _PCI_SUCCESSFUL) goto error;
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printf("half to device %02x:%02x config offset %04x: %04x\n", loc.bus, loc.dev_fn, offset, value);
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}
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break;
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case 'w': {
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uint32_t value = atoui(argv[6].str);
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ret = pci_write_config_word(&loc, offset, value);
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if (ret != _PCI_SUCCESSFUL) goto error;
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printf("word to device %02x:%02x config offset %04x: %08x\n", loc.bus, loc.dev_fn, offset, value);
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}
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break;
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}
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} else {
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return -1;
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}
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return 0;
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error:
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printf("Error while reading PCI config space: %02x\n", ret);
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return -2;
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}
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static int pci_cmd(int argc, const console_cmd_args *argv) {
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if (argc < 2) {
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printf("pci commands:\n");
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usage:
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printf("%s list\n", argv[0].str);
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printf("%s config dump <bus> <devfn>\n", argv[0].str);
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printf("%s config <rb|rh|rw> <bus> <devfn> <offset>\n", argv[0].str);
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printf("%s config <mb|mh|mw> <bus> <devfn> <offset> <value>\n", argv[0].str);
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goto out;
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}
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if (!strcmp(argv[1].str, "list")) {
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pci_list();
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} else if (!strcmp(argv[1].str, "config")) {
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if (pci_config(argc, argv)) {
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goto usage;
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}
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} else {
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goto usage;
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}
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out:
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return 0;
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}
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STATIC_COMMAND_START
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STATIC_COMMAND("pci", "pci toolbox", &pci_cmd)
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STATIC_COMMAND_END(pcitests);
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APP_START(pcitests)
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APP_END
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@@ -1,10 +0,0 @@
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LOCAL_DIR := $(GET_LOCAL_DIR)
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MODULE := $(LOCAL_DIR)
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MODULE_SRCS += \
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$(LOCAL_DIR)/pci_tests.c
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MODULE_DEPS += dev/bus/pci
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include make/module.mk
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