From cada2ed0b4ca0d467621fa90de304421e17b4869 Mon Sep 17 00:00:00 2001 From: Jan Luebbe Date: Sat, 30 May 2015 19:52:55 +0200 Subject: [PATCH 2/3] barebox-state: add support for uint8 variables Signed-off-by: Jan Luebbe --- src/barebox-state.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/src/barebox-state.c b/src/barebox-state.c index 57305c4..f56275f 100644 --- a/src/barebox-state.c +++ b/src/barebox-state.c @@ -81,6 +81,7 @@ struct state_backend { enum state_variable_type { STATE_TYPE_INVALID = 0, STATE_TYPE_ENUM, + STATE_TYPE_U8, STATE_TYPE_U32, STATE_TYPE_MAC, }; @@ -185,6 +186,32 @@ static int state_uint32_import(struct state_variable *sv, return 0; } +static struct state_variable *state_uint8_create(struct state *state, + const char *name, struct device_node *node) +{ + struct state_uint32 *su32; + struct param_d *param; + + su32 = xzalloc(sizeof(*su32)); + + param = dev_add_param_int(&state->dev, name, state_set_dirty, + NULL, &su32->value, "%u", state); + if (IS_ERR(param)) { + free(su32); + return ERR_CAST(param); + } + + su32->param = param; + su32->var.size = sizeof(uint8_t); +#ifdef __LITTLE_ENDIAN + su32->var.raw = &su32->value; +#else + su32->var.raw = &su32->value + 3; +#endif + + return &su32->var; +} + static struct state_variable *state_uint32_create(struct state *state, const char *name, struct device_node *node) { @@ -395,6 +422,14 @@ out: static struct variable_type types[] = { { + .type = STATE_TYPE_U8, + .type_name = "uint8", + .export = state_uint32_export, + .import = state_uint32_import, + .create = state_uint8_create, + .set = state_uint32_set, + .get = state_uint32_get, + }, { .type = STATE_TYPE_U32, .type_name = "uint32", .export = state_uint32_export, -- 2.1.4