diff options
Diffstat (limited to 'c/src/lib/libbsp/i386/pc386/console/gdb_select.c')
| -rw-r--r-- | c/src/lib/libbsp/i386/pc386/console/gdb_select.c | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/c/src/lib/libbsp/i386/pc386/console/gdb_select.c b/c/src/lib/libbsp/i386/pc386/console/gdb_select.c deleted file mode 100644 index adc996913b..0000000000 --- a/c/src/lib/libbsp/i386/pc386/console/gdb_select.c +++ /dev/null @@ -1,170 +0,0 @@ -/** - * @file - * - * @ingroup GDB - * - * @brief pc386 gdb select - * - * This file contains a routine to enable and select the UART the gdb stub - * connects too. Currently limited to COM1 and COM2. See - * shared/comm/i386-stub-glue.c file. - */ - -/* - * COPYRIGHT (c) 2016. - * Chris Johns <chrisj@rtems.org> - * - * 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 <stdlib.h> -#include <limits.h> - -#include <bsp.h> -#include <rtems/libio.h> -#include <rtems/console.h> -#include <rtems/termiostypes.h> -#include <libchip/serial.h> -#include <libchip/ns16550.h> -#include <bsp/bspimpl.h> - -#include "../../../../../../../bsps/shared/dev/serial/legacy-console.h" - -/* - * Used in the stub to print output. - */ -int remote_debug; -/* - * Defined in the stub, used here. - */ -void set_debug_traps(void); - -/* - * Added here to get a valid baudrate. Needs to go once we - * move to the standard UART driver. - */ -int BSPBaseBaud; - -static bool gdb_port_probe(int minor) -{ - /* Return false as GDB has claimed the port */ - return false; -} - -void pc386_parse_gdb_arguments(void) -{ - static const char *opt; - - /* - * Check the command line to see if com1-com4 are disabled. - */ - opt = bsp_cmdline_arg("--gdb="); - if ( opt ) { - const char *option; - const char *comma; - size_t length; - size_t index; - rtems_device_minor_number minor; - uint32_t baudrate = 115200; - bool halt = false; - console_tbl *port; - - /* - * Fine the length, there can be more command line visible. - */ - length = 0; - while ((opt[length] != ' ') && (opt[length] != '\0')) { - ++length; - if (length > NAME_MAX) { - printk("invalid option (--gdb): too long\n"); - return; - } - } - - /* - * Only match up to a comma or NULL - */ - index = 0; - while ((opt[index] != '=') && (index < length)) { - ++index; - } - - if (opt[index] != '=') { - printk("invalid option (--gdb): no equals\n"); - return; - } - - ++index; - option = &opt[index]; - - while ((opt[index] != ',') && (index < length)) { - ++index; - } - - if (opt[index] == ',') - comma = &opt[index]; - else - comma = NULL; - - length = &opt[index] - option; - - port = console_find_console_entry( option, length, &minor ); - - if ( port == NULL ) { - printk("invalid option (--gdb): port not found\n"); - return; - } - - if (comma) { - option = comma + 1; - baudrate = strtoul(option, 0, 10); - switch (baudrate) { - case 115200: - case 57600: - case 38400: - case 19200: - case 9600: - case 4800: - port->pDeviceParams = (void*) baudrate; - BSPBaseBaud = baudrate; /* REMOVE ME */ - break; - default: - printk("invalid option (--gdb): bad baudrate\n"); - return; - } - } - - /* - * Provide a probe that fails so the device is not part of termios. All - * functions are polling. - */ - port->deviceProbe = gdb_port_probe; - port->pDeviceFns = &ns16550_fns_polled; - - opt = bsp_cmdline_arg("--gdb-remote-debug"); - if ( opt ) { - remote_debug = 1; - } - - opt = bsp_cmdline_arg("--gdb-break"); - if ( opt ) { - halt = true; - } - - printk("GDB stub: enable %s%s%s\n", - port->sDeviceName, - remote_debug ? ", remote-debug" : "", - halt ? ", halting" : ""); - - i386_stub_glue_init(minor); - set_debug_traps(); - i386_stub_glue_init_breakin(); - - if ( halt ) { - printk("GDB stub: waiting for remote connection..\n"); - breakpoint(); - } - } -} |