X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fplatform.c;h=0a221e295bb87a67992a6ccede556fe3e49271c2;hp=db0ea61dd025c7fd6dabb93c51e12a9d434115cb;hb=8fa3f3bd22e66329ac0dd65a82bf8eb554e2364d;hpb=aa530148044a7c6d7ec7b6a32672cc69d53979b2 diff --git a/discover/platform.c b/discover/platform.c index db0ea61..0a221e2 100644 --- a/discover/platform.c +++ b/discover/platform.c @@ -1,7 +1,11 @@ +#define _GNU_SOURCE + +#include #include #include +#include #include #include @@ -11,6 +15,25 @@ void *platform_ctx; static struct platform *platform; static struct config *config; +static const char *kernel_cmdline_debug = "petitboot.debug"; + +static const char *device_type_name(enum device_type type) +{ + switch (type) { + case DEVICE_TYPE_DISK: + return "disk"; + case DEVICE_TYPE_OPTICAL: + return "optical"; + case DEVICE_TYPE_NETWORK: + return "network"; + case DEVICE_TYPE_ANY: + return "any"; + case DEVICE_TYPE_UNKNOWN: + default: + return "unknown"; + } +} + static void dump_config(struct config *config) { unsigned int i; @@ -26,6 +49,9 @@ static void dump_config(struct config *config) if (config->network.n_interfaces || config->network.n_dns_servers) pb_log(" network configuration:\n"); + if (config->safe_mode) + pb_log(" safe mode: active\n"); + for (i = 0; i < config->network.n_interfaces; i++) { struct interface_config *ifconf = config->network.interfaces[i]; @@ -52,16 +78,53 @@ static void dump_config(struct config *config) } for (i = 0; i < config->network.n_dns_servers; i++) pb_log(" dns server %s\n", config->network.dns_servers[i]); + + if (config->boot_device) + pb_log(" boot device %s\n", config->boot_device); + + if (config->n_boot_priorities) + pb_log(" boot priority order:\n"); + + for (i = 0; i < config->n_boot_priorities; i++) { + struct boot_priority *prio = &config->boot_priorities[i]; + pb_log(" %10s: %d\n", device_type_name(prio->type), + prio->priority); + } + + pb_log(" language: %s\n", config->lang ?: ""); +} + +static bool config_debug_on_cmdline(void) +{ + char buf[600]; + int rc, fd; + + fd = open("/proc/cmdline", O_RDONLY); + if (fd < 0) + return false; + + rc = read(fd, buf, sizeof(buf)); + close(fd); + + if (rc <= 0) + return false; + + return memmem(buf, rc, kernel_cmdline_debug, + strlen(kernel_cmdline_debug)) != NULL; } void config_set_defaults(struct config *config) { config->autoboot_enabled = true; config->autoboot_timeout_sec = 10; + config->autoboot_enabled = true; config->network.interfaces = NULL; config->network.n_interfaces = 0; config->network.dns_servers = NULL; config->network.n_dns_servers = 0; + config->boot_device = NULL; + config->safe_mode = false; + config->lang = NULL; config->n_boot_priorities = 2; config->boot_priorities = talloc_array(config, struct boot_priority, @@ -70,6 +133,8 @@ void config_set_defaults(struct config *config) config->boot_priorities[0].priority = 2; config->boot_priorities[1].type = DEVICE_TYPE_DISK; config->boot_priorities[1].priority = 1; + + config->debug = config_debug_on_cmdline(); } int platform_init(void *ctx) @@ -108,6 +173,19 @@ const struct platform *platform_get(void) return platform; } +void platform_finalise_config(void) +{ + if (platform && platform->finalise_config) + platform->finalise_config(platform); +} + +int platform_get_sysinfo(struct system_info *info) +{ + if (platform && platform->get_sysinfo) + return platform->get_sysinfo(platform, info); + return -1; +} + int config_set(struct config *newconfig) { int rc;