diff --git a/plat/qemu/include/platform_def.h b/plat/qemu/include/platform_def.h index 417048f..f8764fb 100644 --- a/plat/qemu/include/platform_def.h +++ b/plat/qemu/include/platform_def.h @@ -168,7 +168,7 @@ #define PLAT_PHY_ADDR_SPACE_SIZE (1ULL << 32) #define PLAT_VIRT_ADDR_SPACE_SIZE (1ULL << 32) -#define MAX_MMAP_REGIONS 8 +#define MAX_MMAP_REGIONS 10 #define MAX_XLAT_TABLES 6 #define MAX_IO_DEVICES 3 #define MAX_IO_HANDLES 4 diff --git a/plat/qemu/platform.mk b/plat/qemu/platform.mk index 26633c2..5bfd48a 100644 --- a/plat/qemu/platform.mk +++ b/plat/qemu/platform.mk @@ -167,6 +167,8 @@ $(eval $(call TOOL_ADD_IMG,bl32_extra2,--tos-fw-extra2)) endif +SEPARATE_CODE_AND_RODATA := 1 + # Disable the PSCI platform compatibility layer ENABLE_PLAT_COMPAT := 0 diff --git a/plat/qemu/qemu_bl1_setup.c b/plat/qemu/qemu_bl1_setup.c index 7c820fd..3f617e2 100644 --- a/plat/qemu/qemu_bl1_setup.c +++ b/plat/qemu/qemu_bl1_setup.c @@ -12,15 +12,6 @@ #include #include "qemu_private.h" -/******************************************************************************* - * Declarations of linker defined symbols which will tell us where BL1 lives - * in Trusted RAM - ******************************************************************************/ -extern uint64_t __BL1_RAM_START__; -extern uint64_t __BL1_RAM_END__; -#define BL1_RAM_BASE (uint64_t)(&__BL1_RAM_START__) -#define BL1_RAM_LIMIT (uint64_t)(&__BL1_RAM_END__) - /* Data structure which holds the extents of the trusted SRAM for BL1*/ static meminfo_t bl1_tzram_layout; @@ -67,7 +58,8 @@ { QEMU_CONFIGURE_BL1_MMU(bl1_tzram_layout.total_base, bl1_tzram_layout.total_size, - BL1_RO_BASE, BL1_RO_LIMIT, + BL_CODE_BASE, BL1_CODE_END, + BL1_RO_DATA_BASE, BL1_RO_DATA_END, BL_COHERENT_RAM_BASE, BL_COHERENT_RAM_END); } diff --git a/plat/qemu/qemu_bl2_setup.c b/plat/qemu/qemu_bl2_setup.c index 9e4a4a0..987c602 100644 --- a/plat/qemu/qemu_bl2_setup.c +++ b/plat/qemu/qemu_bl2_setup.c @@ -17,14 +17,6 @@ #include #include "qemu_private.h" -/* - * The next 2 constants identify the extents of the code & RO data region. - * These addresses are used by the MMU setup code and therefore they must be - * page-aligned. It is the responsibility of the linker script to ensure that - * __RO_START__ and __RO_END__ linker symbols refer to page-aligned addresses. - */ -#define BL2_RO_BASE (unsigned long)(&__RO_START__) -#define BL2_RO_LIMIT (unsigned long)(&__RO_END__) /* Data structure which holds the extents of the trusted SRAM for BL2 */ static meminfo_t bl2_tzram_layout __aligned(CACHE_WRITEBACK_GRANULE); @@ -192,7 +184,8 @@ { QEMU_CONFIGURE_BL2_MMU(bl2_tzram_layout.total_base, bl2_tzram_layout.total_size, - BL2_RO_BASE, BL2_RO_LIMIT, + BL_CODE_BASE, BL_CODE_END, + BL_RO_DATA_BASE, BL_RO_DATA_END, BL_COHERENT_RAM_BASE, BL_COHERENT_RAM_END); } diff --git a/plat/qemu/qemu_bl31_setup.c b/plat/qemu/qemu_bl31_setup.c index f79a885..6ded929 100644 --- a/plat/qemu/qemu_bl31_setup.c +++ b/plat/qemu/qemu_bl31_setup.c @@ -19,8 +19,6 @@ * script to ensure that __RO_START__, __RO_END__ & __BL31_END__ linker symbols * refer to page-aligned addresses. */ -#define BL31_RO_BASE (unsigned long)(&__RO_START__) -#define BL31_RO_LIMIT (unsigned long)(&__RO_END__) #define BL31_END (unsigned long)(&__BL31_END__) /* @@ -108,8 +106,9 @@ void bl31_plat_arch_setup(void) { - qemu_configure_mmu_el3(BL31_RO_BASE, (BL31_END - BL31_RO_BASE), - BL31_RO_BASE, BL31_RO_LIMIT, + qemu_configure_mmu_el3(BL31_BASE, (BL31_END - BL31_BASE), + BL_CODE_BASE, BL_CODE_END, + BL_RO_DATA_BASE, BL_RO_DATA_END, BL_COHERENT_RAM_BASE, BL_COHERENT_RAM_END); } diff --git a/plat/qemu/qemu_common.c b/plat/qemu/qemu_common.c index 6f9fcc6..2d4198b 100644 --- a/plat/qemu/qemu_common.c +++ b/plat/qemu/qemu_common.c @@ -104,6 +104,8 @@ #define DEFINE_CONFIGURE_MMU_EL(_el) \ void qemu_configure_mmu_##_el(unsigned long total_base, \ unsigned long total_size, \ + unsigned long code_start, \ + unsigned long code_limit, \ unsigned long ro_start, \ unsigned long ro_limit, \ unsigned long coh_start, \ @@ -112,9 +114,12 @@ mmap_add_region(total_base, total_base, \ total_size, \ MT_MEMORY | MT_RW | MT_SECURE); \ + mmap_add_region(code_start, code_start, \ + code_limit - code_start, \ + MT_CODE | MT_SECURE); \ mmap_add_region(ro_start, ro_start, \ ro_limit - ro_start, \ - MT_MEMORY | MT_RO | MT_SECURE); \ + MT_RO_DATA | MT_SECURE); \ mmap_add_region(coh_start, coh_start, \ coh_limit - coh_start, \ MT_DEVICE | MT_RW | MT_SECURE); \ diff --git a/plat/qemu/qemu_private.h b/plat/qemu/qemu_private.h index 202d604..716440f 100644 --- a/plat/qemu/qemu_private.h +++ b/plat/qemu/qemu_private.h @@ -9,16 +9,22 @@ #include +#include +#include "../../bl1/bl1_private.h" + void qemu_configure_mmu_secure(unsigned long total_base, unsigned long total_size, + unsigned long code_start, unsigned long code_limit, unsigned long ro_start, unsigned long ro_limit, unsigned long coh_start, unsigned long coh_limit); void qemu_configure_mmu_el1(unsigned long total_base, unsigned long total_size, + unsigned long code_start, unsigned long code_limit, unsigned long ro_start, unsigned long ro_limit, unsigned long coh_start, unsigned long coh_limit); void qemu_configure_mmu_el3(unsigned long total_base, unsigned long total_size, + unsigned long code_start, unsigned long code_limit, unsigned long ro_start, unsigned long ro_limit, unsigned long coh_start, unsigned long coh_limit);