The state exists through the life of U-Boot. It can be adjusted by command line options and perhaps later through a config file. It is available to U-Boot through state_...() calls (within sandbox code).
Signed-off-by: Simon Glass <s...@chromium.org> --- arch/sandbox/cpu/state.c | 54 ++++++++++++++++++++++ arch/sandbox/include/asm/arch-sandbox/state.h | 59 +++++++++++++++++++++++++ 2 files changed, 113 insertions(+), 0 deletions(-) create mode 100644 arch/sandbox/cpu/state.c create mode 100644 arch/sandbox/include/asm/arch-sandbox/state.h diff --git a/arch/sandbox/cpu/state.c b/arch/sandbox/cpu/state.c new file mode 100644 index 0000000..a942174 --- /dev/null +++ b/arch/sandbox/cpu/state.c @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <assert.h> +#include <sandbox_gpio.h> +#include <asm/arch/state.h> + +/* Main state record for the sandbox */ +struct sandbox_state main_state; +struct sandbox_state *state; /* Pointer to current state record */ + +int state_is_processor_reset(void) +{ + return 1; +} + +void state_record_exit(enum exit_type_id exit_type) +{ + state->exit_type = exit_type; +} + +struct sandbox_state *state_get_current(void) +{ + assert(state); + return state; +} + +int state_init(void) +{ + state = &main_state; + + /* Example of how to use this... */ + sandbox_gpio_set_direction(170, 0); + sandbox_gpio_set_value(170, 0); + return 0; +} diff --git a/arch/sandbox/include/asm/arch-sandbox/state.h b/arch/sandbox/include/asm/arch-sandbox/state.h new file mode 100644 index 0000000..3023368 --- /dev/null +++ b/arch/sandbox/include/asm/arch-sandbox/state.h @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* How we exited U-Boot */ +enum exit_type_id { + STATE_EXIT_NORMAL, + STATE_EXIT_COLD_REBOOT, + STATE_EXIT_POWER_OFF, +}; + +/* The complete state of the test system */ +struct sandbox_state { + const char *cmd; /* Command to execute */ + enum exit_type_id exit_type; /* How we exited U-Boot */ +}; + +/** + * Check the type of reset that caused U-Boot to run. + * + * @return 1 = processor reset (cold start), 0 = jump from previous U-Boot + */ +int state_is_processor_reset(void); + +/** + * Record the exit type to be reported by the test program. + * + * @param exit_type Exit type to record + */ +void state_record_exit(enum exit_type_id exit_type); + +/** + * Gets a pointer to the current state. + * + * @return pointer to state + */ +struct sandbox_state *state_get_current(void); + +/** + * Initialize the test system state + */ +int state_init(void); -- 1.7.3.1 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot