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/u-boot/doc/usage/
A Dfor.rst9 for <variable> in <items>; do <commands>; done
17 The counter variable of the loop is a shell variable. Please, keep in mind that
18 an environment variable takes precedence over a shell variable of the same name.
20 variable
21 name of the counter variable
48 The first line ensures that there is no environment variable *c*. Hence in the
49 first loop the shell variable *c* is printed.
51 After defining an environment variable of name *c* it takes precedence over the
52 shell variable and the environment variable is printed.
A Dload.rst18 The number of transferred bytes is saved in the environment variable filesize.
19 The load address is saved in the environment variable fileaddr.
31 load address, defaults to environment variable loadaddr or if loadaddr is
32 not set to configuration variable CONFIG_SYS_LOAD_ADDR
35 path to file, defaults to environment variable bootfile
A Dbootefi.rst32 * the device-tree specified by environment variable *fdt\_addr*
33 * the device-tree specified by environment variable *fdtcontroladdr*
47 The value of the environment variable *bootargs* is converted from UTF-8 to
61 *BootA03E*. The boot variable defines a label, the device path of the binary to
64 If the UEFI variable *BootNext* is defined, it specifies the number of the boot
65 option to execute next. If no binary can be loaded via *BootNext* the variable
94 Which unit test is executed is controlled by the environment variable
95 *efi\_selftest*. If this variable is not set, all unit tests that are not marked
112 environment variable to match one of the listed identifiers
A Dbutton.rst25 set in the return value variable *$?* as 0 (true) or 1 (false). To retrieve
27 variable *status1* you would execute the commands
52 The variable *$?* takes the following values
A Dloady.rst19 The number of transferred bytes is saved in environment variable filesize.
22 load address, defaults to environment variable loadaddr or if loadaddr is
23 not set to configuration variable CONFIG_SYS_LOAD_ADDR
A Dmbr.rst19 layout is alternatively read from the 'mbr_parts' environment variable.
54 mbr_parts environment variable is set):
82 The variable *$?* takes the following values
/u-boot/drivers/fastboot/
A Dfb_getvar.c36 const char *variable; member
40 .variable = "version",
46 .variable = "downloadsize",
52 .variable = "serialno",
58 .variable = "product",
61 .variable = "platform",
64 .variable = "current-slot",
68 .variable = "has-slot",
73 .variable = "partition-type",
78 .variable = "partition-size",
[all …]
/u-boot/board/friendlyarm/
A DKconfig21 Environment variable rootdev is set to this value if env. var. firstboot
29 Environment variable bootpart is set to this value. bootpart determines
35 Environment variable rootpart is set to this value.
/u-boot/doc/
A DREADME.bootcount8 After a power-on reset, "bootcount" variable will be initialized with 1, and
16 If the variable "bootlimit" is not defined in the environment, the Boot Count
21 application) to reset the variable "bootcount", thus allowing for more boot
45 To prevent unattended usage of "altbootcmd" the "upgrade_available" variable is
A DREADME.enetaddr35 3. The environment variable will be compared to the driver initialized
37 environment variable will be used unchanged.
38 If the environment variable is not set, it will be initialized from
44 b) The user hasn't set an 'ethmacskip' environment variable
57 address(es) and initializing the respective environment variable(s) from it.
59 contain these environment variables, i.e. existing variable definitions must
89 Look up an environment variable and convert the stored address. If the address
103 Store the MAC address into the named environment variable. The return value is
118 /* the buf variable is now set to "00:11:22:33:44:55" */
A DREADME.splashprepare15 using the "splashsource" environment variable.
26 controlled with the environment variable "splashfile".
31 specified by the environment variable "splashfile".
33 In case the environment variable "splashfile" is not defined the default name
A DREADME.autoboot54 "bootretry" environment variable
60 retry feature. If the environment variable "bootretry" is
73 doesn't do anything unless the environment variable
82 "bootdelaykey" environment variable
83 "bootstopkey" environment variable
92 specified by the corresponding environment variable),
131 "bootdelaykey" and "bootstopkey". Setting this variable
137 "bootstopkeysha256" environment variable
144 in the environment variable 'bootstopkeysha256'. If it matches then
160 environment variable 'menucmd' will be executed before boot starts.
A DREADME.plan92 configuration information to the kernel. An environment variable named
9 bootargs environment variable will be copied.
A DREADME.SNTP6 parameter of server's IP address or environment variable
9 environment variable "time offset".
A DREADME.update9 environment variable 'updatefile' from server 'serverip' is attempted during
32 in environment variable 'loadaddr'. If this variable is not present, the
71 '/tftpboot/update_uboot.itb', and set the 'updatefile' variable
78 'serverip' environment variable is accessible, the new U-Boot image will be
A DREADME.silent3 silenced by setting the environment variable "silent".
6 When the "silent" variable is changed with env set, the change
A DREADME.dfutftp53 The "dfu tftp" command can be used in the "preboot" environment variable
63 * select desired eth device - 'ethact' variable ["ethact=cpsw"]
83 "preboot" env variable. Otherwise use this command from u-boot prompt.
87 * "dfu_bufsiz" - variable to set buffer size [in bytes] - when it is not
A DREADME.pxe68 an environment variable named pxefile_addr_r must be supplied. This is
106 location is given by the pxefile_addr_r environment variable. The pxe code is
144 indicated in the kernel_addr_r environment variable, and
156 address indicated in the fdtoverlay_addr_r environment variable,
158 address indicated in the fdt_addr_r environment variable.
165 the initrd_addr_r environment variable, and that address
170 the fdt_addr_r environment variable, and that address will
174 relative to <path>. If the fdtfile environment variable
253 variable. And since it doesn't support a full UNDI/PXE stack, the
A DREADME.VLAN5 "vlan" environmental variable. When not present no tagging is
/u-boot/drivers/usb/musb-new/
A DMakefile17 ccflags-y := $(call cc-option,-Wno-unused-variable) \
18 $(call cc-option,-Wno-unused-but-set-variable) \
/u-boot/lib/efi_loader/
A Defi_variable.c48 static efi_status_t efi_variable_authenticate(u16 *variable, in efi_variable_authenticate() argument
116 efi_image_region_add(regs, (uint8_t *)variable, in efi_variable_authenticate()
117 (uint8_t *)variable in efi_variable_authenticate()
118 + u16_strlen(variable) * sizeof(u16), 1); in efi_variable_authenticate()
143 var_type = efi_auth_var_get_type(variable, vendor); in efi_variable_authenticate()
197 static efi_status_t efi_variable_authenticate(u16 *variable, in efi_variable_authenticate() argument
/u-boot/scripts/kconfig/
A Dpreprocess.c228 struct variable { struct
236 static struct variable *variable_lookup(const char *name) in variable_lookup() argument
238 struct variable *v; in variable_lookup()
250 struct variable *v; in variable_expand()
279 struct variable *v; in variable_add()
321 static void variable_del(struct variable *v) in variable_del()
331 struct variable *v, *tmp; in variable_all_del()
/u-boot/scripts/coccinelle/iterators/
A Ditnull.cocci85 cocci.print_main("iterator-bound variable",p1)
93 msg = "ERROR: iterator variable bound on line %s cannot be NULL" % (p1[0].line)
/u-boot/board/synopsys/nsim/
A DKconfig19 This variable takes space separated compiler options list.
/u-boot/arch/arm/cpu/armv8/fsl-layerscape/doc/
A DREADME.lsch3118 mcboottimeout: MC boot timeout in milliseconds. If this variable is not defined
121 mcmemsize: MC DRAM block size in hex. If this variable is not defined, the value
124 mcinitcmd: This environment variable is defined to initiate MC and DPL deployment
126 u-boot booting.If this variable is not defined then MC_BOOT_ENV_VAR
130 The variable needs to be set from the console once and then on
131 rebooting the parameters set in the variable will automatically be
392 Errata workaround uses Env variable "a009635_interval_val". It uses decimal
394 - Default value of env variable is platform clock (MHz)
396 - User can modify default value by updating the env variable
400 - Env variable as 0 signifies no workaround

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