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authorMarc Jones <marcjones@sysproconsulting.com>2021-03-22 19:40:30 -0600
committerMarc Jones <marc@marcjonesconsulting.com>2021-03-24 15:36:36 +0000
commit93a4e0135c41c1d90498a221b1e20e1b211376c1 (patch)
tree120fa1850f43786adfcf6d7ca9778e2665d26e05 /src/cpu/x86/smm
parent1834fbb83b1ea6503b980da4d1cf294bd516dbdf (diff)
cpu/x86/smm: Fix SMM start address passing
This fixes an issue introduced in commit ad0116c0327f575f0af184a2f4861848a49a0e2a cpu/x86/smm_loaderv2: Remove unused variables It removed one variable that was needed to set the SMM start address that is used to set the SMM stack location. Change-Id: Iddf9f204db54f0d97a90bb423b65db2f7625217f Signed-off-by: Marc Jones <marcjones@sysproconsulting.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/51721 Reviewed-by: Jay Talbott <JayTalbott@sysproconsulting.com> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/cpu/x86/smm')
-rw-r--r--src/cpu/x86/smm/smm_module_loaderv2.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/src/cpu/x86/smm/smm_module_loaderv2.c b/src/cpu/x86/smm/smm_module_loaderv2.c
index 5c45fcc017..26be00734d 100644
--- a/src/cpu/x86/smm/smm_module_loaderv2.c
+++ b/src/cpu/x86/smm/smm_module_loaderv2.c
@@ -312,7 +312,8 @@ static int smm_stub_place_staggered_entry_points(char *base,
*/
static int smm_module_setup_stub(void *const smbase, const size_t smm_size,
struct smm_loader_params *params,
- void *const fxsave_area)
+ void *const fxsave_area,
+ void *const smram_start)
{
size_t total_save_state_size;
size_t smm_stub_size;
@@ -381,7 +382,7 @@ static int smm_module_setup_stub(void *const smbase, const size_t smm_size,
* for default handler, but for relocated handler it lives at the beginning
* of SMRAM which is TSEG base
*/
- stacks_top = smm_stub_place_stacks(smbase, params);
+ stacks_top = smm_stub_place_stacks(smram_start, params);
if (stacks_top == NULL) {
printk(BIOS_ERR, "%s: error assigning stacks\n", __func__);
return -1;
@@ -456,7 +457,7 @@ int smm_setup_relocation_handler(struct smm_loader_params *params)
params->num_concurrent_stacks = CONFIG_MAX_CPUS;
return smm_module_setup_stub(smram, SMM_DEFAULT_SIZE,
- params, fxsave_area_relocation);
+ params, fxsave_area_relocation, smram);
printk(BIOS_SPEW, "%s: exit\n", __func__);
}
@@ -498,7 +499,7 @@ int smm_load_module(void *smram, size_t size, struct smm_loader_params *params)
void *fxsave_area;
size_t total_size = 0;
char *base;
-
+ void *smram_start = smram;
if (size <= SMM_DEFAULT_SIZE)
return -1;
@@ -620,5 +621,5 @@ int smm_load_module(void *smram, size_t size, struct smm_loader_params *params)
cpus[i].ss_start + params->per_cpu_save_state_size;
}
- return smm_module_setup_stub(base, size, params, fxsave_area);
+ return smm_module_setup_stub(base, size, params, fxsave_area, smram_start);
}