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arm: smh: Remove smhload command

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This command's functionality is now completely implemented by the
standard fs load command. Convert the vexpress64 boot command (which is
the only user) and remove the implementation.

Signed-off-by: Sean Anderson <sean.anderson@seco.com>
This commit is contained in:
Sean Anderson 2022-03-22 16:59:22 -04:00 committed by Tom Rini
parent dbf6f7c952
commit dcc4f9623e
2 changed files with 5 additions and 81 deletions
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76
arch/arm/lib/semihosting.c
View file

@ -10,8 +10,6 @@
* available in silicon now, fastmodel usage makes less sense for them.
*/
#include <common.h>
#include <command.h>
#include <env.h>
#include <log.h>
#include <semihosting.h>
@ -169,77 +167,3 @@ long smh_seek(long fd, long pos)
return smh_errno();
return 0;
}
static int smh_load_file(const char * const name, ulong load_addr,
ulong *size)
{
long fd;
long len;
long ret;
fd = smh_open(name, MODE_READ | MODE_BINARY);
if (fd < 0)
return fd;
len = smh_flen(fd);
if (len < 0) {
smh_close(fd);
return len;
}
ret = smh_read(fd, (void *)load_addr, len);
smh_close(fd);
if (ret == len) {
*size = len;
printf("loaded file %s from %08lX to %08lX, %08lX bytes\n",
name,
load_addr,
load_addr + len - 1,
len);
} else if (ret >= 0) {
ret = -EAGAIN;
}
if (ret < 0) {
printf("read failed: %ld\n", ret);
return ret;
}
return 0;
}
static int do_smhload(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
if (argc == 3 || argc == 4) {
ulong load_addr;
ulong size = 0;
int ret;
char size_str[64];
load_addr = hextoul(argv[2], NULL);
if (!load_addr)
return -1;
ret = smh_load_file(argv[1], load_addr, &size);
if (ret < 0)
return CMD_RET_FAILURE;
/* Optionally save returned end to the environment */
if (argc == 4) {
sprintf(size_str, "0x%08lx", size);
env_set(argv[3], size_str);
}
} else {
return CMD_RET_USAGE;
}
return 0;
}
U_BOOT_CMD(smhload, 4, 0, do_smhload, "load a file using semihosting",
"<file> 0x<address> [end var]\n"
" - load a semihosted file to the address specified\n"
" if the optional [end var] is specified, the end\n"
" address of the file will be stored in this environment\n"
" variable.\n");

10
include/configs/vexpress_aemv8.h
View file

@ -167,20 +167,20 @@
*/
#define BOOTENV_DEV_SMH(devtypeu, devtypel, instance) \
"bootcmd_smh= " \
"if smhload ${boot_name} ${boot_addr_r}; then" \
"if load hostfs - ${boot_addr_r} ${boot_name}; then" \
" setenv bootargs;" \
" abootimg addr ${boot_addr_r};" \
" abootimg get dtb --index=0 fdt_addr_r;" \
" bootm ${boot_addr_r} ${boot_addr_r} ${fdt_addr_r};" \
"else" \
" if smhload ${kernel_name} ${kernel_addr_r}; then" \
" if load hostfs - ${kernel_addr_r} ${kernel_name}; then" \
" setenv fdt_high 0xffffffffffffffff;" \
" setenv initrd_high 0xffffffffffffffff;" \
" smhload ${fdtfile} ${fdt_addr_r};" \
" smhload ${ramdisk_name} ${ramdisk_addr_r} ramdisk_end;" \
" load hostfs - ${fdt_addr_r} ${fdtfile};" \
" load hostfs - ${ramdisk_addr_r} ${ramdisk_name};" \
" fdt addr ${fdt_addr_r};" \
" fdt resize;" \
" fdt chosen ${ramdisk_addr_r} ${ramdisk_end};" \
" fdt chosen ${ramdisk_addr_r} ${filesize};" \
" booti $kernel_addr_r - $fdt_addr_r;" \
" fi;" \
"fi\0"