diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2015-10-12 18:25:40 +0200 |
|---|---|---|
| committer | Eduardo Habkost <ehabkost@redhat.com> | 2015-10-23 12:59:26 -0200 |
| commit | dd75d4fcb4a82c34d4f466e7fc166162b71ff740 (patch) | |
| tree | 9dd273335081ee3baf67de725a9a7d9efbe7b47e /target-i386/smm_helper.c | |
| parent | 147482ae35b896808af68c0051ad86d3aae12979 (diff) | |
target-i386: allow any alignment for SMBASE
Processors up to the Pentium (says Bochs---I do not have old enough
manuals) require a 32KiB alignment for the SMBASE, but newer processors
do not need that, and Tiano Core will use non-aligned SMBASE values.
Reported-by: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'target-i386/smm_helper.c')
| -rw-r--r-- | target-i386/smm_helper.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/target-i386/smm_helper.c b/target-i386/smm_helper.c index 02e24b9236..c272a98407 100644 --- a/target-i386/smm_helper.c +++ b/target-i386/smm_helper.c @@ -266,7 +266,7 @@ void helper_rsm(CPUX86State *env) val = x86_ldl_phys(cs, sm_state + 0x7efc); /* revision ID */ if (val & 0x20000) { - env->smbase = x86_ldl_phys(cs, sm_state + 0x7f00) & ~0x7fff; + env->smbase = x86_ldl_phys(cs, sm_state + 0x7f00); } #else cpu_x86_update_cr0(env, x86_ldl_phys(cs, sm_state + 0x7ffc)); @@ -319,7 +319,7 @@ void helper_rsm(CPUX86State *env) val = x86_ldl_phys(cs, sm_state + 0x7efc); /* revision ID */ if (val & 0x20000) { - env->smbase = x86_ldl_phys(cs, sm_state + 0x7ef8) & ~0x7fff; + env->smbase = x86_ldl_phys(cs, sm_state + 0x7ef8); } #endif if ((env->hflags2 & HF2_SMM_INSIDE_NMI_MASK) == 0) { |