+// SPDX-License-Identifier: GPL-2.0+
/*
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
+#include <env.h>
#include <errno.h>
-#include <qemu_fw_cfg.h>
+#include <qfw.h>
+#include <dm.h>
+
+static struct udevice *qfw_dev;
/*
* This function prepares kernel for zboot. It loads kernel data
* to 'load_addr', initrd to 'initrd_addr' and kernel command
* line using qemu fw_cfg interface.
*/
-static int qemu_fwcfg_setup_kernel(void *load_addr, void *initrd_addr)
+static int qemu_fwcfg_cmd_setup_kernel(void *load_addr, void *initrd_addr)
{
char *data_addr;
uint32_t setup_size, kernel_size, cmdline_size, initrd_size;
- qemu_fwcfg_read_entry(FW_CFG_SETUP_SIZE, 4, &setup_size);
- qemu_fwcfg_read_entry(FW_CFG_KERNEL_SIZE, 4, &kernel_size);
+ qfw_read_entry(qfw_dev, FW_CFG_SETUP_SIZE, 4, &setup_size);
+ qfw_read_entry(qfw_dev, FW_CFG_KERNEL_SIZE, 4, &kernel_size);
if (setup_size == 0 || kernel_size == 0) {
printf("warning: no kernel available\n");
}
data_addr = load_addr;
- qemu_fwcfg_read_entry(FW_CFG_SETUP_DATA,
- le32_to_cpu(setup_size), data_addr);
+ qfw_read_entry(qfw_dev, FW_CFG_SETUP_DATA,
+ le32_to_cpu(setup_size), data_addr);
data_addr += le32_to_cpu(setup_size);
- qemu_fwcfg_read_entry(FW_CFG_KERNEL_DATA,
- le32_to_cpu(kernel_size), data_addr);
+ qfw_read_entry(qfw_dev, FW_CFG_KERNEL_DATA,
+ le32_to_cpu(kernel_size), data_addr);
data_addr += le32_to_cpu(kernel_size);
data_addr = initrd_addr;
- qemu_fwcfg_read_entry(FW_CFG_INITRD_SIZE, 4, &initrd_size);
+ qfw_read_entry(qfw_dev, FW_CFG_INITRD_SIZE, 4, &initrd_size);
if (initrd_size == 0) {
printf("warning: no initrd available\n");
} else {
- qemu_fwcfg_read_entry(FW_CFG_INITRD_DATA,
- le32_to_cpu(initrd_size), data_addr);
+ qfw_read_entry(qfw_dev, FW_CFG_INITRD_DATA,
+ le32_to_cpu(initrd_size), data_addr);
data_addr += le32_to_cpu(initrd_size);
}
- qemu_fwcfg_read_entry(FW_CFG_CMDLINE_SIZE, 4, &cmdline_size);
+ qfw_read_entry(qfw_dev, FW_CFG_CMDLINE_SIZE, 4, &cmdline_size);
if (cmdline_size) {
- qemu_fwcfg_read_entry(FW_CFG_CMDLINE_DATA,
- le32_to_cpu(cmdline_size), data_addr);
+ qfw_read_entry(qfw_dev, FW_CFG_CMDLINE_DATA,
+ le32_to_cpu(cmdline_size), data_addr);
/*
* if kernel cmdline only contains '\0', (e.g. no -append
* when invoking qemu), do not update bootargs
*/
if (*data_addr != '\0') {
- if (setenv("bootargs", data_addr) < 0)
+ if (env_set("bootargs", data_addr) < 0)
printf("warning: unable to change bootargs\n");
}
}
return 0;
}
-static int qemu_fwcfg_list_firmware(void)
+static int qemu_fwcfg_cmd_list_firmware(void)
{
int ret;
struct fw_cfg_file_iter iter;
struct fw_file *file;
/* make sure fw_list is loaded */
- ret = qemu_fwcfg_read_firmware_list();
+ ret = qfw_read_firmware_list(qfw_dev);
if (ret)
return ret;
-
- for (file = qemu_fwcfg_file_iter_init(&iter);
- !qemu_fwcfg_file_iter_end(&iter);
- file = qemu_fwcfg_file_iter_next(&iter)) {
+ for (file = qfw_file_iter_init(qfw_dev, &iter);
+ !qfw_file_iter_end(&iter);
+ file = qfw_file_iter_next(&iter)) {
printf("%-56s\n", file->cfg.name);
}
return 0;
}
-static int qemu_fwcfg_do_list(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int qemu_fwcfg_do_list(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
- if (qemu_fwcfg_list_firmware() < 0)
+ if (qemu_fwcfg_cmd_list_firmware() < 0)
return CMD_RET_FAILURE;
return 0;
}
-static int qemu_fwcfg_do_cpus(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int qemu_fwcfg_do_cpus(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
- int ret = qemu_fwcfg_online_cpus();
- if (ret < 0) {
- printf("QEMU fw_cfg interface not found\n");
- return CMD_RET_FAILURE;
- }
-
- printf("%d cpu(s) online\n", qemu_fwcfg_online_cpus());
-
+ printf("%d cpu(s) online\n", qfw_online_cpus(qfw_dev));
return 0;
}
-static int qemu_fwcfg_do_load(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int qemu_fwcfg_do_load(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
char *env;
void *load_addr;
void *initrd_addr;
- env = getenv("loadaddr");
+ env = env_get("loadaddr");
load_addr = env ?
- (void *)simple_strtoul(env, NULL, 16) :
+ (void *)hextoul(env, NULL) :
+#ifdef CONFIG_LOADADDR
(void *)CONFIG_LOADADDR;
+#else
+ NULL;
+#endif
- env = getenv("ramdiskaddr");
+ env = env_get("ramdiskaddr");
initrd_addr = env ?
- (void *)simple_strtoul(env, NULL, 16) :
+ (void *)hextoul(env, NULL) :
+#ifdef CONFIG_RAMDISK_ADDR
(void *)CONFIG_RAMDISK_ADDR;
+#else
+ NULL;
+#endif
if (argc == 2) {
- load_addr = (void *)simple_strtoul(argv[0], NULL, 16);
- initrd_addr = (void *)simple_strtoul(argv[1], NULL, 16);
+ load_addr = (void *)hextoul(argv[0], NULL);
+ initrd_addr = (void *)hextoul(argv[1], NULL);
} else if (argc == 1) {
- load_addr = (void *)simple_strtoul(argv[0], NULL, 16);
+ load_addr = (void *)hextoul(argv[0], NULL);
+ }
+
+ if (!load_addr || !initrd_addr) {
+ printf("missing load or initrd address\n");
+ return CMD_RET_FAILURE;
}
- return qemu_fwcfg_setup_kernel(load_addr, initrd_addr);
+ return qemu_fwcfg_cmd_setup_kernel(load_addr, initrd_addr);
}
-static cmd_tbl_t fwcfg_commands[] = {
+static struct cmd_tbl fwcfg_commands[] = {
U_BOOT_CMD_MKENT(list, 0, 1, qemu_fwcfg_do_list, "", ""),
U_BOOT_CMD_MKENT(cpus, 0, 1, qemu_fwcfg_do_cpus, "", ""),
U_BOOT_CMD_MKENT(load, 2, 1, qemu_fwcfg_do_load, "", ""),
};
-static int do_qemu_fw(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_qemu_fw(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
{
int ret;
- cmd_tbl_t *fwcfg_cmd;
+ struct cmd_tbl *fwcfg_cmd;
- if (!qemu_fwcfg_present()) {
+ ret = qfw_get_dev(&qfw_dev);
+ if (ret) {
printf("QEMU fw_cfg interface not found\n");
return CMD_RET_USAGE;
}
projects / J-u-boot.git / blobdiff