diff options
Diffstat (limited to 'services/std_svc/spm/spm_xlat.c')
| -rw-r--r-- | services/std_svc/spm/spm_xlat.c | 37 |
1 files changed, 28 insertions, 9 deletions
diff --git a/services/std_svc/spm/spm_xlat.c b/services/std_svc/spm/spm_xlat.c index 5f830965..58d61fc3 100644 --- a/services/std_svc/spm/spm_xlat.c +++ b/services/std_svc/spm/spm_xlat.c @@ -95,6 +95,34 @@ xlat_ctx_t *spm_sp_xlat_context_alloc(void) }; /******************************************************************************* + * Translation table context used for S-EL1 exception vectors + ******************************************************************************/ + +REGISTER_XLAT_CONTEXT2(spm_sel1, SPM_SHIM_MMAP_REGIONS, SPM_SHIM_XLAT_TABLES, + SPM_SHIM_XLAT_VIRT_ADDR_SPACE_SIZE, PLAT_PHY_ADDR_SPACE_SIZE, + EL1_EL0_REGIME, PLAT_SP_IMAGE_XLAT_SECTION_NAME); + +void spm_exceptions_xlat_init_context(void) +{ + /* This region contains the exception vectors used at S-EL1. */ + mmap_region_t sel1_exception_vectors = + MAP_REGION(SPM_SHIM_EXCEPTIONS_PTR, + 0x0UL, + SPM_SHIM_EXCEPTIONS_SIZE, + MT_CODE | MT_SECURE | MT_PRIVILEGED); + + mmap_add_region_ctx(&spm_sel1_xlat_ctx, + &sel1_exception_vectors); + + init_xlat_tables_ctx(&spm_sel1_xlat_ctx); +} + +uint64_t *spm_exceptions_xlat_get_base_table(void) +{ + return spm_sel1_xlat_ctx.base_table; +} + +/******************************************************************************* * Functions to allocate memory for regions. ******************************************************************************/ @@ -300,15 +328,6 @@ static void map_rdmem(sp_context_t *sp_ctx, struct sp_rd_sect_mem_region *rdmem) void sp_map_memory_regions(sp_context_t *sp_ctx) { - /* This region contains the exception vectors used at S-EL1. */ - const mmap_region_t sel1_exception_vectors = - MAP_REGION_FLAT(SPM_SHIM_EXCEPTIONS_START, - SPM_SHIM_EXCEPTIONS_SIZE, - MT_CODE | MT_SECURE | MT_PRIVILEGED); - - mmap_add_region_ctx(sp_ctx->xlat_ctx_handle, - &sel1_exception_vectors); - struct sp_rd_sect_mem_region *rdmem; for (rdmem = sp_ctx->rd.mem_region; rdmem != NULL; rdmem = rdmem->next) { |