diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/raspberrypi/startup/cmdline.c')
-rw-r--r-- | c/src/lib/libbsp/arm/raspberrypi/startup/cmdline.c | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/c/src/lib/libbsp/arm/raspberrypi/startup/cmdline.c b/c/src/lib/libbsp/arm/raspberrypi/startup/cmdline.c deleted file mode 100644 index 222b21eb63..0000000000 --- a/c/src/lib/libbsp/arm/raspberrypi/startup/cmdline.c +++ /dev/null @@ -1,55 +0,0 @@ -/** - * @file - * - * @ingroup raspberrypi - * - * @brief mailbox support. - */ -/* - * Copyright (c) 2015 Yang Qiao - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * - * http://www.rtems.org/license/LICENSE - * - */ - -#include <bsp.h> -#include <bsp/vc.h> - -#include <string.h> - -#define MAX_CMDLINE_LENGTH 1024 -static int rpi_cmdline_ready = -1; -static char rpi_cmdline_cached[MAX_CMDLINE_LENGTH] = "force .data placement"; -static bcm2835_get_cmdline_entries rpi_cmdline_entries; - -const char *rpi_cmdline_get_raw(void) -{ - memset(&rpi_cmdline_entries, 0, sizeof(rpi_cmdline_entries)); - if (bcm2835_mailbox_get_cmdline(&rpi_cmdline_entries) < 0) - return NULL; - return rpi_cmdline_entries.cmdline; -} - -const char *rpi_cmdline_get_cached(void) -{ - if (rpi_cmdline_ready <= 0) { - const char *line = rpi_cmdline_get_raw(); - if (line != NULL) - strncpy(rpi_cmdline_cached, line, MAX_CMDLINE_LENGTH - 1); - rpi_cmdline_cached[MAX_CMDLINE_LENGTH - 1] = 0; - rpi_cmdline_ready = 1; - } - return rpi_cmdline_cached; -} - -const char *rpi_cmdline_get_arg(const char* arg) -{ - const char *opt_data; - opt_data = strstr(rpi_cmdline_get_cached(), arg); - if (opt_data) - opt_data += strlen(arg); - return opt_data; -} |