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platform_system_core
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Merge "init: refactor firmware loading locations into table"

This commit is contained in:
Daniel Rosenberg 2015-03-20 23:55:30 +00:00 committed by Gerrit Code Review
parent d5de25f819 d1d9602f89
commit 72510c56ec
1 changed files with 32 additions and 44 deletions
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76
init/devices.cpp
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@ -49,9 +49,9 @@
#include "log.h"
#define SYSFS_PREFIX "/sys"
#define FIRMWARE_DIR1 "/etc/firmware"
#define FIRMWARE_DIR2 "/vendor/firmware"
#define FIRMWARE_DIR3 "/firmware/image"
static const char *firmware_dirs[] = { "/etc/firmware",
"/vendor/firmware",
"/firmware/image" };
extern struct selabel_handle *sehandle;
@ -818,8 +818,9 @@ static int is_booting(void)
static void process_firmware_event(struct uevent *uevent)
{
char *root, *loading, *data, *file1 = NULL, *file2 = NULL, *file3 = NULL;
char *root, *loading, *data;
int l, loading_fd, data_fd, fw_fd;
size_t i;
int booting = is_booting();
INFO("firmware: loading '%s' for '%s'\n",
@ -837,62 +838,49 @@ static void process_firmware_event(struct uevent *uevent)
if (l == -1)
goto loading_free_out;
l = asprintf(&file1, FIRMWARE_DIR1"/%s", uevent->firmware);
if (l == -1)
goto data_free_out;
l = asprintf(&file2, FIRMWARE_DIR2"/%s", uevent->firmware);
if (l == -1)
goto data_free_out;
l = asprintf(&file3, FIRMWARE_DIR3"/%s", uevent->firmware);
if (l == -1)
goto data_free_out;
loading_fd = open(loading, O_WRONLY|O_CLOEXEC);
if(loading_fd < 0)
goto file_free_out;
goto data_free_out;
data_fd = open(data, O_WRONLY|O_CLOEXEC);
if(data_fd < 0)
goto loading_close_out;
try_loading_again:
fw_fd = open(file1, O_RDONLY|O_CLOEXEC);
if(fw_fd < 0) {
fw_fd = open(file2, O_RDONLY|O_CLOEXEC);
if (fw_fd < 0) {
fw_fd = open(file3, O_RDONLY|O_CLOEXEC);
if (fw_fd < 0) {
if (booting) {
/* If we're not fully booted, we may be missing
* filesystems needed for firmware, wait and retry.
*/
usleep(100000);
booting = is_booting();
goto try_loading_again;
}
INFO("firmware: could not open '%s' %d\n", uevent->firmware, errno);
write(loading_fd, "-1", 2);
goto data_close_out;
}
for (i = 0; i < ARRAY_SIZE(firmware_dirs); i++) {
char *file = NULL;
l = asprintf(&file, "%s/%s", firmware_dirs[i], uevent->firmware);
if (l == -1)
goto data_free_out;
fw_fd = open(file, O_RDONLY|O_CLOEXEC);
free(file);
if (fw_fd >= 0) {
if(!load_firmware(fw_fd, loading_fd, data_fd))
INFO("firmware: copy success { '%s', '%s' }\n", root, uevent->firmware);
else
INFO("firmware: copy failure { '%s', '%s' }\n", root, uevent->firmware);
break;
}
}
if(!load_firmware(fw_fd, loading_fd, data_fd))
INFO("firmware: copy success { '%s', '%s' }\n", root, uevent->firmware);
else
INFO("firmware: copy failure { '%s', '%s' }\n", root, uevent->firmware);
if (fw_fd < 0) {
if (booting) {
/* If we're not fully booted, we may be missing
* filesystems needed for firmware, wait and retry.
*/
usleep(100000);
booting = is_booting();
goto try_loading_again;
}
INFO("firmware: could not open '%s' %d\n", uevent->firmware, errno);
write(loading_fd, "-1", 2);
goto data_close_out;
}
close(fw_fd);
data_close_out:
close(data_fd);
loading_close_out:
close(loading_fd);
file_free_out:
free(file1);
free(file2);
free(file3);
data_free_out:
free(data);
loading_free_out: