diff options
| author | Simon Glass <sjg@chromium.org> | 2017-11-13 18:55:03 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2017-12-12 19:53:45 -0700 |
| commit | 8bee2d251afb61c203aa94877cf5077731822ed5 (patch) | |
| tree | 38dce2f79df048900946da20b32fb5bb1e0e236c /include/binman_sym.h | |
| parent | cf2a8fd66d8d4b855f5955e15e4d8e436b4bc3d5 (diff) | |
binman: Add binman symbol support to SPL
Allow SPL to access binman symbols and use this to get the address of
U-Boot. This falls back to CONFIG_SYS_TEXT_BASE if the binman symbol
is not available.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/binman_sym.h')
| -rw-r--r-- | include/binman_sym.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/binman_sym.h b/include/binman_sym.h index 3999b26d8d..87d03d5294 100644 --- a/include/binman_sym.h +++ b/include/binman_sym.h @@ -38,6 +38,17 @@ __attribute__((aligned(4), unused, section(".binman_sym"))) /** + * binman_sym_extern() - Declare a extern symbol that will be used at run-time + * + * @_type: Type f the symbol (e.g. unsigned long) + * @entry_name: Name of the entry to look for (e.g. 'u_boot_spl') + * @_prop_name: Property value to get from that entry (e.g. 'pos') + */ +#define binman_sym_extern(_type, _entry_name, _prop_name) \ + extern _type binman_symname(_entry_name, _prop_name) \ + __attribute__((aligned(4), unused, section(".binman_sym"))) + +/** * binman_sym_declare_optional() - Declare an optional symbol * * If this symbol cannot be provided by binman, an error will not be generated. @@ -73,6 +84,8 @@ #define binman_sym_declare_optional(_type, _entry_name, _prop_name) +#define binman_sym_extern(_type, _entry_name, _prop_name) + #define binman_sym(_type, _entry_name, _prop_name) BINMAN_SYM_MISSING #endif /* BINMAN */ |