From: Alison Wang Date: Thu, 5 Nov 2015 03:15:49 +0000 (+0800) Subject: armv8/layerscape: Update MMU table with execute-never bits X-Git-Tag: v2016.01-rc2~108^2~8 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d764129d30768df72cd07844dd50d11e74b0de14;p=platform%2Fkernel%2Fu-boot.git armv8/layerscape: Update MMU table with execute-never bits For most device addresses excution shouldn't be allowed. Revise the MMU table to enforce execute-never bits. OCRAM, DDR and IFC are allowed for excution. Signed-off-by: York Sun Signed-off-by: Alison Wang Reported-by: Zhichun Hua --- diff --git a/arch/arm/cpu/armv8/cache_v8.c b/arch/arm/cpu/armv8/cache_v8.c index 1ece6a2..53bac3b 100644 --- a/arch/arm/cpu/armv8/cache_v8.c +++ b/arch/arm/cpu/armv8/cache_v8.c @@ -13,13 +13,13 @@ DECLARE_GLOBAL_DATA_PTR; #ifndef CONFIG_SYS_DCACHE_OFF inline void set_pgtable_section(u64 *page_table, u64 index, u64 section, - u64 memory_type, u64 share) + u64 memory_type, u64 attribute) { u64 value; value = section | PMD_TYPE_SECT | PMD_SECT_AF; value |= PMD_ATTRINDX(memory_type); - value |= share; + value |= attribute; page_table[index] = value; } diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c index c6e00b8..571ee7b 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c @@ -76,7 +76,7 @@ static int set_block_entry(const struct sys_mmu_table *list, index, block_addr, list->memory_type, - list->share); + list->attribute); block_addr += block_size; index++; } diff --git a/arch/arm/include/asm/arch-fsl-layerscape/cpu.h b/arch/arm/include/asm/arch-fsl-layerscape/cpu.h index 48b6cd4..727fd24 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/cpu.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/cpu.h @@ -103,7 +103,7 @@ struct sys_mmu_table { u64 phys_addr; u64 size; u64 memory_type; - u64 share; + u64 attribute; }; struct table_info { @@ -115,7 +115,8 @@ struct table_info { static const struct sys_mmu_table early_mmu_table[] = { #ifdef CONFIG_FSL_LSCH3 { CONFIG_SYS_FSL_CCSR_BASE, CONFIG_SYS_FSL_CCSR_BASE, - CONFIG_SYS_FSL_CCSR_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_FSL_CCSR_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_FSL_OCRAM_BASE, CONFIG_SYS_FSL_OCRAM_BASE, CONFIG_SYS_FSL_OCRAM_SIZE, MT_NORMAL, PMD_SECT_NON_SHARE }, /* For IFC Region #1, only the first 4MB is cache-enabled */ @@ -130,16 +131,19 @@ static const struct sys_mmu_table early_mmu_table[] = { { CONFIG_SYS_FSL_DRAM_BASE1, CONFIG_SYS_FSL_DRAM_BASE1, CONFIG_SYS_FSL_DRAM_SIZE1, MT_NORMAL, PMD_SECT_OUTER_SHARE }, { CONFIG_SYS_FSL_DCSR_BASE, CONFIG_SYS_FSL_DCSR_BASE, - CONFIG_SYS_FSL_DCSR_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_FSL_DCSR_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_FSL_DRAM_BASE2, CONFIG_SYS_FSL_DRAM_BASE2, CONFIG_SYS_FSL_DRAM_SIZE2, MT_NORMAL, PMD_SECT_OUTER_SHARE }, #elif defined(CONFIG_FSL_LSCH2) { CONFIG_SYS_FSL_CCSR_BASE, CONFIG_SYS_FSL_CCSR_BASE, - CONFIG_SYS_FSL_CCSR_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_FSL_CCSR_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_FSL_OCRAM_BASE, CONFIG_SYS_FSL_OCRAM_BASE, CONFIG_SYS_FSL_OCRAM_SIZE, MT_NORMAL, PMD_SECT_NON_SHARE }, { CONFIG_SYS_FSL_DCSR_BASE, CONFIG_SYS_FSL_DCSR_BASE, - CONFIG_SYS_FSL_DCSR_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_FSL_DCSR_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_FSL_IFC_BASE, CONFIG_SYS_FSL_IFC_BASE, CONFIG_SYS_FSL_IFC_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, { CONFIG_SYS_FSL_DRAM_BASE1, CONFIG_SYS_FSL_DRAM_BASE1, @@ -152,72 +156,93 @@ static const struct sys_mmu_table early_mmu_table[] = { static const struct sys_mmu_table final_mmu_table[] = { #ifdef CONFIG_FSL_LSCH3 { CONFIG_SYS_FSL_CCSR_BASE, CONFIG_SYS_FSL_CCSR_BASE, - CONFIG_SYS_FSL_CCSR_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_FSL_CCSR_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_FSL_OCRAM_BASE, CONFIG_SYS_FSL_OCRAM_BASE, CONFIG_SYS_FSL_OCRAM_SIZE, MT_NORMAL, PMD_SECT_NON_SHARE }, { CONFIG_SYS_FSL_DRAM_BASE1, CONFIG_SYS_FSL_DRAM_BASE1, CONFIG_SYS_FSL_DRAM_SIZE1, MT_NORMAL, PMD_SECT_OUTER_SHARE }, { CONFIG_SYS_FSL_QSPI_BASE2, CONFIG_SYS_FSL_QSPI_BASE2, - CONFIG_SYS_FSL_QSPI_SIZE2, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_FSL_QSPI_SIZE2, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_FSL_IFC_BASE2, CONFIG_SYS_FSL_IFC_BASE2, CONFIG_SYS_FSL_IFC_SIZE2, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, { CONFIG_SYS_FSL_DCSR_BASE, CONFIG_SYS_FSL_DCSR_BASE, - CONFIG_SYS_FSL_DCSR_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_FSL_DCSR_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_FSL_MC_BASE, CONFIG_SYS_FSL_MC_BASE, - CONFIG_SYS_FSL_MC_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_FSL_MC_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_FSL_NI_BASE, CONFIG_SYS_FSL_NI_BASE, - CONFIG_SYS_FSL_NI_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_FSL_NI_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, /* For QBMAN portal, only the first 64MB is cache-enabled */ { CONFIG_SYS_FSL_QBMAN_BASE, CONFIG_SYS_FSL_QBMAN_BASE, - CONFIG_SYS_FSL_QBMAN_SIZE_1, MT_NORMAL, PMD_SECT_NON_SHARE }, + CONFIG_SYS_FSL_QBMAN_SIZE_1, MT_NORMAL, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_FSL_QBMAN_BASE + CONFIG_SYS_FSL_QBMAN_SIZE_1, CONFIG_SYS_FSL_QBMAN_BASE + CONFIG_SYS_FSL_QBMAN_SIZE_1, CONFIG_SYS_FSL_QBMAN_SIZE - CONFIG_SYS_FSL_QBMAN_SIZE_1, - MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_PCIE1_PHYS_ADDR, CONFIG_SYS_PCIE1_PHYS_ADDR, - CONFIG_SYS_PCIE1_PHYS_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_PCIE1_PHYS_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_PCIE2_PHYS_ADDR, CONFIG_SYS_PCIE2_PHYS_ADDR, - CONFIG_SYS_PCIE2_PHYS_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_PCIE2_PHYS_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_PCIE3_PHYS_ADDR, CONFIG_SYS_PCIE3_PHYS_ADDR, - CONFIG_SYS_PCIE3_PHYS_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_PCIE3_PHYS_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, #if defined(CONFIG_LS2080A) || defined(CONFIG_LS2085A) { CONFIG_SYS_PCIE4_PHYS_ADDR, CONFIG_SYS_PCIE4_PHYS_ADDR, - CONFIG_SYS_PCIE4_PHYS_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_PCIE4_PHYS_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, #endif { CONFIG_SYS_FSL_WRIOP1_BASE, CONFIG_SYS_FSL_WRIOP1_BASE, - CONFIG_SYS_FSL_WRIOP1_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_FSL_WRIOP1_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_FSL_AIOP1_BASE, CONFIG_SYS_FSL_AIOP1_BASE, - CONFIG_SYS_FSL_AIOP1_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_FSL_AIOP1_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_FSL_PEBUF_BASE, CONFIG_SYS_FSL_PEBUF_BASE, - CONFIG_SYS_FSL_PEBUF_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_FSL_PEBUF_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_FSL_DRAM_BASE2, CONFIG_SYS_FSL_DRAM_BASE2, CONFIG_SYS_FSL_DRAM_SIZE2, MT_NORMAL, PMD_SECT_OUTER_SHARE }, #elif defined(CONFIG_FSL_LSCH2) { CONFIG_SYS_FSL_BOOTROM_BASE, CONFIG_SYS_FSL_BOOTROM_BASE, - CONFIG_SYS_FSL_BOOTROM_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_FSL_BOOTROM_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_FSL_CCSR_BASE, CONFIG_SYS_FSL_CCSR_BASE, - CONFIG_SYS_FSL_CCSR_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_FSL_CCSR_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_FSL_OCRAM_BASE, CONFIG_SYS_FSL_OCRAM_BASE, CONFIG_SYS_FSL_OCRAM_SIZE, MT_NORMAL, PMD_SECT_NON_SHARE }, { CONFIG_SYS_FSL_DCSR_BASE, CONFIG_SYS_FSL_DCSR_BASE, - CONFIG_SYS_FSL_DCSR_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_FSL_DCSR_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_FSL_QSPI_BASE, CONFIG_SYS_FSL_QSPI_BASE, - CONFIG_SYS_FSL_QSPI_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_FSL_QSPI_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_FSL_IFC_BASE, CONFIG_SYS_FSL_IFC_BASE, CONFIG_SYS_FSL_IFC_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, { CONFIG_SYS_FSL_DRAM_BASE1, CONFIG_SYS_FSL_DRAM_BASE1, CONFIG_SYS_FSL_DRAM_SIZE1, MT_NORMAL, PMD_SECT_OUTER_SHARE | PMD_SECT_NS }, { CONFIG_SYS_FSL_QBMAN_BASE, CONFIG_SYS_FSL_QBMAN_BASE, - CONFIG_SYS_FSL_QBMAN_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_FSL_QBMAN_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_FSL_DRAM_BASE2, CONFIG_SYS_FSL_DRAM_BASE2, CONFIG_SYS_FSL_DRAM_SIZE2, MT_NORMAL, PMD_SECT_OUTER_SHARE }, { CONFIG_SYS_PCIE1_PHYS_ADDR, CONFIG_SYS_PCIE1_PHYS_ADDR, - CONFIG_SYS_PCIE1_PHYS_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_PCIE1_PHYS_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_PCIE2_PHYS_ADDR, CONFIG_SYS_PCIE2_PHYS_ADDR, - CONFIG_SYS_PCIE2_PHYS_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_PCIE2_PHYS_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_PCIE3_PHYS_ADDR, CONFIG_SYS_PCIE3_PHYS_ADDR, - CONFIG_SYS_PCIE3_PHYS_SIZE, MT_DEVICE_NGNRNE, PMD_SECT_NON_SHARE }, + CONFIG_SYS_PCIE3_PHYS_SIZE, MT_DEVICE_NGNRNE, + PMD_SECT_NON_SHARE | PMD_SECT_PXN | PMD_SECT_UXN }, { CONFIG_SYS_FSL_DRAM_BASE3, CONFIG_SYS_FSL_DRAM_BASE3, CONFIG_SYS_FSL_DRAM_SIZE3, MT_NORMAL, PMD_SECT_OUTER_SHARE }, #endif diff --git a/arch/arm/include/asm/armv8/mmu.h b/arch/arm/include/asm/armv8/mmu.h index d8d9af4..2e2a3a8 100644 --- a/arch/arm/include/asm/armv8/mmu.h +++ b/arch/arm/include/asm/armv8/mmu.h @@ -119,7 +119,7 @@ void set_pgtable_section(u64 *page_table, u64 index, u64 section, u64 memory_type, - u64 share); + u64 attribute); void set_pgtable_table(u64 *page_table, u64 index, u64 *table_addr);