diff options
| author | Arthur Heymans <arthur@aheymans.xyz> | 2024-02-02 17:37:42 +0100 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2024-02-28 12:12:59 +0000 |
| commit | 3cfcffe49c720bd5152d3a26ec744adbc4f12477 (patch) | |
| tree | 3b454ac7b4c48097bcd4c82dbe70822a2dfe7970 /src/include/cpu/x86 | |
| parent | f45fcd1cf3ff801816ea5462a0f0f3208a585c3a (diff) | |
cpu/x86/(sipi|smm): Pass on CR3 from ramstage
To allow for more flexibility like generating page tables at runtime or
page tables that are part of the ramstage, add a parameter to
sipi_vector.S and smm_stub.S so that APs use the same page tables as the
BSP during their initialization.
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: I1250ea6f63c65228178ee66e06d988dadfcc2a37
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80335
Reviewed-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jérémy Compostella <jeremy.compostella@intel.com>
Diffstat (limited to 'src/include/cpu/x86')
| -rw-r--r-- | src/include/cpu/x86/smm.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/include/cpu/x86/smm.h b/src/include/cpu/x86/smm.h index beb88faeab..a12065b90b 100644 --- a/src/include/cpu/x86/smm.h +++ b/src/include/cpu/x86/smm.h @@ -109,6 +109,7 @@ struct smm_stub_params { u32 stack_size; u32 stack_top; u32 c_handler; + u32 cr3; /* The apic_id_to_cpu provides a mapping from APIC id to CPU number. * The CPU number is indicated by the index into the array by matching * the default APIC id and value at the index. The stub loader @@ -165,6 +166,7 @@ struct smm_loader_params { size_t num_concurrent_save_states; smm_handler_t handler; + uint32_t cr3; }; /* All of these return 0 on success, < 0 on failure. */ |