diff options
| author | Simon Glass | 2020-09-05 14:50:48 -0600 |
|---|---|---|
| committer | Bin Meng | 2020-09-25 11:27:09 +0800 |
| commit | 126f47c3b81b4c429f8ddccaf3e2c70b665598f9 (patch) | |
| tree | 7ced6b4882948e4123ca40e8b8a7393ece246bfa | |
| parent | 3e5975932476b3775dad369bf70ba2fc542d847c (diff) | |
x86: zboot: Set environment variables for image locations
At present it is not possible to tell from a script where the setup block
is, or where the image was loaded to. Add environment variables for this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
| -rw-r--r-- | README | 4 | ||||
| -rw-r--r-- | arch/x86/lib/zimage.c | 3 |
2 files changed, 7 insertions, 0 deletions
@@ -3425,6 +3425,10 @@ List of environment variables (most likely not complete): mempos - Index position of the last match found by the 'ms' command, in units of the size (.b, .w, .l) of the search + zbootbase - (x86 only) Base address of the bzImage 'setup' block + + zbootaddr - (x86 only) Address of the loaded bzImage, typically + BZIMAGE_LOAD_ADDR which is 0x100000 The following image location variables contain the location of images used in booting. The "Image" column gives the role of the image and is diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c index 92c9cac143b..03e33a3ee02 100644 --- a/arch/x86/lib/zimage.c +++ b/arch/x86/lib/zimage.c @@ -382,6 +382,9 @@ static int do_zboot_load(struct cmd_tbl *cmdtp, int flag, int argc, return CMD_RET_FAILURE; } state.base_ptr = base_ptr; + if (env_set_hex("zbootbase", (ulong)base_ptr) || + env_set_hex("zbootaddr", state.load_address)) + return CMD_RET_FAILURE; return 0; } |