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linker: helper functions to test if pointer/region is pinned

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This adds two helper functions to test if a pointer or a region
resides in the pinned region.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2021-08-03 13:49:25 -07:00 • committed by Christopher Friedt
commit dc1f4b2715
1 changed files with 23 additions and 0 deletions
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23
include/linker/linker-defs.h
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@ -411,6 +411,29 @@ extern char lnkr_pinned_bss_size[];
extern char lnkr_pinned_noinit_start[]; extern char lnkr_pinned_noinit_start[];
extern char lnkr_pinned_noinit_end[]; extern char lnkr_pinned_noinit_end[];
extern char lnkr_pinned_noinit_size[]; extern char lnkr_pinned_noinit_size[];
__pinned_func
static inline bool lnkr_is_pinned(uint8_t *addr)
{
if ((addr >= (uint8_t *)lnkr_pinned_start) &&
(addr < (uint8_t *)lnkr_pinned_end)) {
return true;
} else {
return false;
}
}
__pinned_func
static inline bool lnkr_is_region_pinned(uint8_t *addr, size_t sz)
{
if ((addr >= (uint8_t *)lnkr_pinned_start) &&
((addr + sz) < (uint8_t *)lnkr_pinned_end)) {
return true;
} else {
return false;
}
}
#endif /* CONFIG_LINKER_USE_PINNED_SECTION */ #endif /* CONFIG_LINKER_USE_PINNED_SECTION */
#endif /* ! _ASMLANGUAGE */ #endif /* ! _ASMLANGUAGE */