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| author | Vikas Manocha <vikas.manocha@st.com> | 2017-03-31 23:34:39 (GMT) |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-04-08 13:26:53 (GMT) |
| commit | 634fcf084875674d86c303e630f83b2017e7e07f (patch) | |
| tree | 90c4e7f0ec4e38acc28b1e3ae0a50856b23941d6 /common/spl | |
| parent | 52609d753b8377ad974ffa5771dbeb011dc1f81a (diff) | |
| download | u-boot-fsl-qoriq-634fcf084875674d86c303e630f83b2017e7e07f.tar.xz | |
spl: armv7m: keep ARM v7M in thumb mode while jumping to entry point
On ARM v7M, the processor will return to ARM mode when executing blx
instruction with bit 0 of the address == 0. Always set it to 1 to stay
in thumb mode.
Similar commit:
f99993c10882f7dc8ec35993d5febe59aac01e6a
Author: Matt Porter <mporter@konsulko.com>
Date: Tue May 5 15:00:23 2015 -0400
common/cmd_boot: keep ARM v7M in thumb mode during do_go_exec()
Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
Diffstat (limited to 'common/spl')
| -rw-r--r-- | common/spl/spl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/common/spl/spl.c b/common/spl/spl.c index 0d1e082..a3e73b8 100644 --- a/common/spl/spl.c +++ b/common/spl/spl.c @@ -85,6 +85,9 @@ void spl_set_header_raw_uboot(struct spl_image_info *spl_image) { spl_image->size = CONFIG_SYS_MONITOR_LEN; spl_image->entry_point = CONFIG_SYS_UBOOT_START; +#ifdef CONFIG_CPU_V7M + spl_image->entry_point |= 0x1; +#endif spl_image->load_addr = CONFIG_SYS_TEXT_BASE; spl_image->os = IH_OS_U_BOOT; spl_image->name = "U-Boot"; |