diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2014-03-28 11:43:45 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-06-05 16:10:34 +0200 |
| commit | 8a201bd47e4724c5783033aedbdd126a5df7a251 (patch) | |
| tree | 1f4d90bf910f1eea3544286c076a0f5deddcaf86 /target-i386/seg_helper.c | |
| parent | 81cf8d8adc64203567e03326c13ea4abec9fe5df (diff) | |
target-i386: fix kernel accesses with SMAP and CPL = 3
With SMAP, implicit kernel accesses from user mode always behave as
if AC=0. To do this, kernel mode is not anymore a separate MMU mode.
Instead, KERNEL_IDX is renamed to KSMAP_IDX and the kernel mode accessors
wrap KSMAP_IDX and KNOSMAP_IDX.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target-i386/seg_helper.c')
| -rw-r--r-- | target-i386/seg_helper.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/target-i386/seg_helper.c b/target-i386/seg_helper.c index 31c5508e6c..934cc2b287 100644 --- a/target-i386/seg_helper.c +++ b/target-i386/seg_helper.c @@ -34,6 +34,24 @@ # define LOG_PCALL_STATE(cpu) do { } while (0) #endif +#ifndef CONFIG_USER_ONLY +#define CPU_MMU_INDEX (cpu_mmu_index_kernel(env)) +#define MEMSUFFIX _kernel +#define DATA_SIZE 1 +#include "exec/cpu_ldst_template.h" + +#define DATA_SIZE 2 +#include "exec/cpu_ldst_template.h" + +#define DATA_SIZE 4 +#include "exec/cpu_ldst_template.h" + +#define DATA_SIZE 8 +#include "exec/cpu_ldst_template.h" +#undef CPU_MMU_INDEX +#undef MEMSUFFIX +#endif + /* return non zero if error */ static inline int load_segment(CPUX86State *env, uint32_t *e1_ptr, uint32_t *e2_ptr, int selector) |