diff options
| author | Furquan Shaikh <furquan@google.com> | 2019-09-27 00:02:25 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-10-02 11:26:53 +0000 |
| commit | 3d4923d85ab07f8ea2b30018763c6bef269e5796 (patch) | |
| tree | ed919f5c64bfa6abf2059f31ea320e195d230051 /payloads/libpayload/libc | |
| parent | 86cb421df68f8c22b3cc27fb9ef45a6633724bb6 (diff) | |
libpayload: Add fmap_cache to sysinfo_t
Now that FMAP is cached in CBMEM and its pointer is added to coreboot
table for quick lookup, this change adds a new member "fmap_cache" to
sysinfo_t that can be used by payloads to get to FMAP cache.
BUG=b:141723751
Change-Id: If894c20c2de89a9d8564561bc7780c86f3f4135a
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35640
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Shelley Chen <shchen@google.com>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'payloads/libpayload/libc')
| -rw-r--r-- | payloads/libpayload/libc/coreboot.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/payloads/libpayload/libc/coreboot.c b/payloads/libpayload/libc/coreboot.c index 03778b6d2a..e14b144ee4 100644 --- a/payloads/libpayload/libc/coreboot.c +++ b/payloads/libpayload/libc/coreboot.c @@ -239,6 +239,12 @@ static void cb_parse_vpd(void *ptr, struct sysinfo_t *info) info->chromeos_vpd = phys_to_virt(cbmem->cbmem_tab); } +static void cb_parse_fmap_cache(void *ptr, struct sysinfo_t *info) +{ + struct cb_cbmem_tab *const cbmem = (struct cb_cbmem_tab *)ptr; + info->fmap_cache = phys_to_virt(cbmem->cbmem_tab); +} + #if CONFIG(LP_TIMER_RDTSC) static void cb_parse_tsc_info(void *ptr, struct sysinfo_t *info) { @@ -412,6 +418,9 @@ int cb_parse_header(void *addr, int len, struct sysinfo_t *info) case CB_TAG_VPD: cb_parse_vpd(ptr, info); break; + case CB_TAG_FMAP: + cb_parse_fmap_cache(ptr, info); + break; default: cb_parse_arch_specific(rec, info); break; |