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| author | Arthur Heymans <arthur@aheymans.xyz> | 2021-02-15 13:20:35 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-03-18 08:13:33 +0000 |
| commit | ed4be45d58ea482c1c8172bc4b2fa1c6af75c75f (patch) | |
| tree | 16d9da57a5cad45b001f58f863cfbea040ab3569 /src/cpu | |
| parent | 166d2ac901e2faafa84c88f46cdeb774dd1123bd (diff) | |
| download | coreboot-ed4be45d58ea482c1c8172bc4b2fa1c6af75c75f.tar.xz | |
cpu/x86/smm: Move apic_id_to_cpu map to smm_stub params
This is only consumed by the stub and not by the relocation handler or
the permanent handler, so move it out of the runtime struct.
Change-Id: I01ed0a412c23c8a82d88408be058a27e55d0dc4d
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50762
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/x86/mp_init.c | 4 | ||||
| -rw-r--r-- | src/cpu/x86/smm/smm_module_loader.c | 3 | ||||
| -rw-r--r-- | src/cpu/x86/smm/smm_module_loaderv2.c | 3 | ||||
| -rw-r--r-- | src/cpu/x86/smm/smm_stub.S | 11 |
4 files changed, 12 insertions, 9 deletions
diff --git a/src/cpu/x86/mp_init.c b/src/cpu/x86/mp_init.c index 3edb5e7693..0693bc712a 100644 --- a/src/cpu/x86/mp_init.c +++ b/src/cpu/x86/mp_init.c @@ -762,10 +762,10 @@ static void asmlinkage smm_do_relocation(void *arg) static void adjust_smm_apic_id_map(struct smm_loader_params *smm_params) { int i; - struct smm_runtime *runtime = smm_params->runtime; + struct smm_stub_params *stub_params = smm_params->stub_params; for (i = 0; i < CONFIG_MAX_CPUS; i++) - runtime->apic_id_to_cpu[i] = cpu_get_apic_id(i); + stub_params->apic_id_to_cpu[i] = cpu_get_apic_id(i); } static int install_relocation_handler(int num_cpus, size_t save_state_size) diff --git a/src/cpu/x86/smm/smm_module_loader.c b/src/cpu/x86/smm/smm_module_loader.c index d799ae2805..16feeb6c6e 100644 --- a/src/cpu/x86/smm/smm_module_loader.c +++ b/src/cpu/x86/smm/smm_module_loader.c @@ -259,9 +259,10 @@ static int smm_module_setup_stub(void *smbase, size_t smm_size, /* Initialize the APIC id to CPU number table to be 1:1 */ for (i = 0; i < params->num_concurrent_stacks; i++) - stub_params->runtime.apic_id_to_cpu[i] = i; + stub_params->apic_id_to_cpu[i] = i; /* Allow the initiator to manipulate SMM stub parameters. */ + params->stub_params = stub_params; params->runtime = &stub_params->runtime; printk(BIOS_DEBUG, "SMM Module: stub loaded at %p. Will call %p\n", diff --git a/src/cpu/x86/smm/smm_module_loaderv2.c b/src/cpu/x86/smm/smm_module_loaderv2.c index be0e23d50c..81d85c6f92 100644 --- a/src/cpu/x86/smm/smm_module_loaderv2.c +++ b/src/cpu/x86/smm/smm_module_loaderv2.c @@ -464,9 +464,10 @@ static int smm_module_setup_stub(void *smbase, size_t smm_size, /* Initialize the APIC id to CPU number table to be 1:1 */ for (i = 0; i < params->num_concurrent_stacks; i++) - stub_params->runtime.apic_id_to_cpu[i] = i; + stub_params->apic_id_to_cpu[i] = i; /* Allow the initiator to manipulate SMM stub parameters. */ + params->stub_params = stub_params; params->runtime = &stub_params->runtime; printk(BIOS_DEBUG, "SMM Module: stub loaded at %p. Will call %p\n", diff --git a/src/cpu/x86/smm/smm_stub.S b/src/cpu/x86/smm/smm_stub.S index b9b0670ef6..24cb684e10 100644 --- a/src/cpu/x86/smm/smm_stub.S +++ b/src/cpu/x86/smm/smm_stub.S @@ -25,6 +25,12 @@ fxsave_area: .long 0 fxsave_area_size: .long 0 +/* apic_to_cpu_num is a table mapping the default APIC id to CPU num. If the + * APIC id is found at the given index, the contiguous CPU number is index + * into the table. */ +apic_to_cpu_num: +.fill CONFIG_MAX_CPUS,1,0xff + /* struct smm_runtime begins here. */ smm_runtime: smbase: @@ -40,11 +46,6 @@ gnvs_ptr: /* allows the STM to bring up SMM in 32-bit mode */ start32_offset: .long smm_trampoline32 - _start -/* apic_to_cpu_num is a table mapping the default APIC id to CPU num. If the - * APIC id is found at the given index, the contiguous CPU number is index - * into the table. */ -apic_to_cpu_num: -.fill CONFIG_MAX_CPUS,1,0xff /* end struct smm_runtime */ .data |