extern unsigned int __efi_runtime_start, __efi_runtime_stop;
extern unsigned int __efi_runtime_rel_start, __efi_runtime_rel_stop;
-/*
+/**
+ * struct efi_open_protocol_info_item - open protocol info item
+ *
* When a protocol is opened a open protocol info entry is created.
* These are maintained in a list.
+ *
+ * @link: link to the list of open protocol info entries of a protocol
+ * @info: information about the opening of a protocol
*/
struct efi_open_protocol_info_item {
- /* Link to the list of open protocol info entries of a protocol */
struct list_head link;
struct efi_open_protocol_info_entry info;
};
-/*
+/**
+ * struct efi_handler - single protocol interface of a handle
+ *
* When the UEFI payload wants to open a protocol on an object to get its
* interface (usually a struct with callback functions), this struct maps the
* protocol GUID to the respective protocol interface
+ *
+ * @link: link to the list of protocols of a handle
+ * @guid: GUID of the protocol
+ * @protocol_interface: protocol interface
+ * @open_infos link to the list of open protocol info items
*/
struct efi_handler {
- /* Link to the list of protocols of a handle */
struct list_head link;
const efi_guid_t *guid;
void *protocol_interface;
- /* Link to the list of open protocol info items */
struct list_head open_infos;
};
r = EFI_CALL(efi_locate_device_path(protocol, &dp,
&old_handle));
- if (r == EFI_SUCCESS) {
+ if (r == EFI_SUCCESS &&
+ dp->type == DEVICE_PATH_TYPE_END) {
+ EFI_PRINT("Path %pD already installed\n",
+ protocol_interface);
r = EFI_ALREADY_STARTED;
break;
}
{
#ifdef CONFIG_DM_RTC
efi_status_t ret = EFI_SUCCESS;
- int r;
struct rtc_time tm;
struct udevice *dev;
ret = EFI_INVALID_PARAMETER;
goto out;
}
-
- r = uclass_get_device(UCLASS_RTC, 0, &dev);
- if (!r)
- r = dm_rtc_get(dev, &tm);
- if (r) {
+ if (uclass_get_device(UCLASS_RTC, 0, &dev) ||
+ dm_rtc_get(dev, &tm)) {
+ ret = EFI_UNSUPPORTED;
+ goto out;
+ }
+ if (dm_rtc_get(dev, &tm)) {
ret = EFI_DEVICE_ERROR;
goto out;
}
return EFI_EXIT(ret);
#else
EFI_ENTRY("%p %p", time, capabilities);
- return EFI_EXIT(EFI_DEVICE_ERROR);
+ return EFI_EXIT(EFI_UNSUPPORTED);
#endif
}
+/**
+ * efi_set_time_boottime() - set current time
+ *
+ * This function implements the SetTime() runtime service before
+ * SetVirtualAddressMap() is called.
+ *
+ * See the Unified Extensible Firmware Interface (UEFI) specification
+ * for details.
+ *
+ * @time: pointer to structure to with current time
+ * Returns: status code
+ */
+static efi_status_t EFIAPI efi_set_time_boottime(struct efi_time *time)
+{
+#ifdef CONFIG_DM_RTC
+ efi_status_t ret = EFI_SUCCESS;
+ struct rtc_time tm;
+ struct udevice *dev;
+
+ EFI_ENTRY("%p", time);
+ if (!time) {
+ ret = EFI_INVALID_PARAMETER;
+ goto out;
+ }
+
+ if (uclass_get_device(UCLASS_RTC, 0, &dev)) {
+ ret = EFI_UNSUPPORTED;
+ goto out;
+ }
+
+ memset(&tm, 0, sizeof(tm));
+ tm.tm_year = time->year;
+ tm.tm_mon = time->month;
+ tm.tm_mday = time->day;
+ tm.tm_hour = time->hour;
+ tm.tm_min = time->minute;
+ tm.tm_sec = time->second;
+ tm.tm_isdst = time->daylight == EFI_TIME_IN_DAYLIGHT;
+ /* Calculate day of week */
+ rtc_calc_weekday(&tm);
+
+ if (dm_rtc_set(dev, &tm))
+ ret = EFI_DEVICE_ERROR;
+out:
+ return EFI_EXIT(ret);
+#else
+ EFI_ENTRY("%p", time);
+ return EFI_EXIT(EFI_UNSUPPORTED);
+#endif
+}
/**
* efi_reset_system() - reset system
*
return EFI_DEVICE_ERROR;
}
+/**
+ * efi_set_time() - set current time
+ *
+ * This function implements the SetTime runtime service after
+ * SetVirtualAddressMap() is called. As the U-Boot driver are not available
+ * anymore only an error code is returned.
+ *
+ * See the Unified Extensible Firmware Interface (UEFI) specification
+ * for details.
+ *
+ * @time: pointer to structure to with current time
+ * Returns: status code
+ */
+efi_status_t __weak __efi_runtime EFIAPI efi_set_time(struct efi_time *time)
+{
+ return EFI_UNSUPPORTED;
+}
+
struct efi_runtime_detach_list_struct {
void *ptr;
void *patchto;
/* RTC accessors are gone */
.ptr = &efi_runtime_services.get_time,
.patchto = &efi_get_time,
+ }, {
+ .ptr = &efi_runtime_services.set_time,
+ .patchto = &efi_set_time,
}, {
/* Clean up system table */
.ptr = &systab.con_in,
.headersize = sizeof(struct efi_runtime_services),
},
.get_time = &efi_get_time_boottime,
- .set_time = (void *)&efi_device_error,
+ .set_time = &efi_set_time_boottime,
.get_wakeup_time = (void *)&efi_unimplemented,
.set_wakeup_time = (void *)&efi_unimplemented,
.set_virtual_address_map = &efi_set_virtual_address_map,
#include <efi_loader.h>
/* Characters that may not be used in file names */
-static const char illegal[] = "<>:\"/\\|?*";
+static const char illegal[] = "<>:\"/\\|?*\x7f";
/*
* EDK2 assumes codepage 1250 when creating FAT 8.3 file names.
EFI_ENTRY("\"%ls\" %pUl %x %zu %p", variable_name, vendor, attributes,
data_size, data);
- if (!variable_name || !vendor) {
+ /* TODO: implement APPEND_WRITE */
+ if (!variable_name || !vendor ||
+ (attributes & EFI_VARIABLE_APPEND_WRITE)) {
ret = EFI_INVALID_PARAMETER;
goto out;
}
if (val) {
parse_attr(val, &attr);
+ /* We should not free val */
+ val = NULL;
if (attr & READ_ONLY) {
- /* We should not free val */
- val = NULL;
ret = EFI_WRITE_PROTECTED;
goto out;
}
+
+ /*
+ * attributes won't be changed
+ * TODO: take care of APPEND_WRITE once supported
+ */
+ if (attr != attributes) {
+ ret = EFI_INVALID_PARAMETER;
+ goto out;
+ }
}
val = malloc(2 * data_size + strlen("{ro,run,boot}(blob)") + 1);
#include <efi_selftest.h>
#define EFI_ST_NO_RTC "Could not read real time clock\n"
+#define EFI_ST_NO_RTC_SET "Could not set real time clock\n"
static struct efi_runtime_services *runtime;
/*
* Execute unit test.
*
- * Display current time.
+ * Read and display current time.
+ * Set a new value and read it back.
+ * Set the real time clock back the current time.
*
* @return: EFI_ST_SUCCESS for success
*/
static int execute(void)
{
efi_status_t ret;
- struct efi_time tm;
+ struct efi_time tm, tm_old, tm_new = {
+ .year = 2017,
+ .month = 5,
+ .day = 19,
+ .hour = 13,
+ .minute = 47,
+ .second = 53,
+ };
/* Display current time */
- ret = runtime->get_time(&tm, NULL);
+ ret = runtime->get_time(&tm_old, NULL);
if (ret != EFI_SUCCESS) {
#ifdef CONFIG_CMD_DATE
efi_st_error(EFI_ST_NO_RTC);
efi_st_todo(EFI_ST_NO_RTC);
return EFI_ST_SUCCESS;
#endif
- } else {
- efi_st_printf("Time according to real time clock: "
- "%.4u-%.2u-%.2u %.2u:%.2u:%.2u\n",
- tm.year, tm.month, tm.day,
- tm.hour, tm.minute, tm.second);
+ }
+ efi_st_printf("Time according to real time clock: "
+ "%.4u-%.2u-%.2u %.2u:%.2u:%.2u\n",
+ tm_old.year, tm_old.month, tm_old.day,
+ tm_old.hour, tm_old.minute, tm_old.second);
+ ret = runtime->set_time(&tm_new);
+ if (ret != EFI_SUCCESS) {
+#ifdef CONFIG_CMD_DATE
+ efi_st_error(EFI_ST_NO_RTC_SET);
+ return EFI_ST_FAILURE;
+#else
+ efi_st_todo(EFI_ST_NO_RTC_SET);
+ return EFI_ST_SUCCESS;
+#endif
+ }
+ ret = runtime->get_time(&tm, NULL);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error(EFI_ST_NO_RTC);
+ return EFI_ST_FAILURE;
+ }
+ if (tm.year != tm_new.year ||
+ tm.month != tm_new.month ||
+ tm.day != tm_new.day ||
+ tm.hour != tm_new.hour ||
+ tm.minute != tm_new.minute ||
+ tm.second < tm_new.second ||
+ tm.second > tm_new.second + 2) {
+ efi_st_error(EFI_ST_NO_RTC_SET);
+ return EFI_ST_FAILURE;
+ }
+ /* Set time back to old value */
+ ret = runtime->set_time(&tm_old);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error(EFI_ST_NO_RTC_SET);
+ return EFI_ST_FAILURE;
}
return EFI_ST_SUCCESS;
EFI_VARIABLE_APPEND_WRITE,
7, v + 8);
if (ret != EFI_SUCCESS) {
- efi_st_error("SetVariable failed\n");
- return EFI_ST_FAILURE;
- }
- len = EFI_ST_MAX_DATA_SIZE;
- ret = runtime->get_variable(L"efi_st_var1", &guid_vendor1,
- &attr, &len, data);
- if (ret != EFI_SUCCESS) {
- efi_st_error("GetVariable failed\n");
- return EFI_ST_FAILURE;
+ efi_st_todo("SetVariable(APPEND_WRITE) failed\n");
+ } else {
+ len = EFI_ST_MAX_DATA_SIZE;
+ ret = runtime->get_variable(L"efi_st_var1", &guid_vendor1,
+ &attr, &len, data);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("GetVariable failed\n");
+ return EFI_ST_FAILURE;
+ }
+ if (len != 15)
+ efi_st_todo("GetVariable returned wrong length %u\n",
+ (unsigned int)len);
+ if (memcmp(data, v, len))
+ efi_st_todo("GetVariable returned wrong value\n");
}
- if (len != 15)
- efi_st_todo("GetVariable returned wrong length %u\n",
- (unsigned int)len);
- if (memcmp(data, v, len))
- efi_st_todo("GetVariable returned wrong value\n");
/* Enumerate variables */
boottime->set_mem(&guid, 16, 0);
*varname = 0;
projects / oweals / u-boot.git / commitdiff