From 0b606730c97ee2599b9992f6e5c4aa7d91176523 Mon Sep 17 00:00:00 2001 From: Furquan Shaikh Date: Fri, 12 Sep 2014 19:12:27 -0700 Subject: [PATCH] arm64: Add useful macro definitions for register bits BUG=chrome-os-partner:30785 BRANCH=None TEST=Coreboot compiles successfully Change-Id: I1fba44974314effa1065e3637aaa5430584a4cc6 Signed-off-by: Patrick Georgi Original-Commit-Id: a4791232de764ebe40d9b3de5c63479dec7da003 Original-Change-Id: I95fdff5d1580faf4cb4f85d6acae7a834b8ff0bf Original-Signed-off-by: Furquan Shaikh Original-Reviewed-on: https://chromium-review.googlesource.com/218031 Original-Reviewed-by: Aaron Durbin Original-Tested-by: Furquan Shaikh Original-Commit-Queue: Furquan Shaikh Reviewed-on: http://review.coreboot.org/9069 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- .../arm64/include/armv8/arch/lib_helpers.h | 58 +++++++++++++++++++ 1 file changed, 58 insertions(+) diff --git a/src/arch/arm64/include/armv8/arch/lib_helpers.h b/src/arch/arm64/include/armv8/arch/lib_helpers.h index 4fcef28f11..ee41716b41 100644 --- a/src/arch/arm64/include/armv8/arch/lib_helpers.h +++ b/src/arch/arm64/include/armv8/arch/lib_helpers.h @@ -33,6 +33,64 @@ #define CURRENT_EL_MASK 0x3 #define CURRENT_EL_SHIFT 2 +#define SPSR_USE_L 0 +#define SPSR_USE_H 1 +#define SPSR_L_H_MASK 1 +#define SPSR_M_SHIFT 4 +#define SPSR_ERET_32 (1 << SPSR_M_SHIFT) +#define SPSR_ERET_64 (0 << SPSR_M_SHIFT) +#define SPSR_FIQ_SHIFT 6 +#define SPSR_FIQ_MASK (0 << SPSR_FIQ_SHIFT) +#define SPSR_FIQ_ENABLE (1 << SPSR_FIQ_SHIFT) +#define SPSR_IRQ_SHIFT 7 +#define SPSR_IRQ_MASK (0 << SPSR_IRQ_SHIFT) +#define SPSR_IRQ_ENABLE (1 << SPSR_IRQ_SHIFT) +#define SPSR_SERROR_SHIFT 8 +#define SPSR_SERROR_MASK (0 << SPSR_SERROR_SHIFT) +#define SPSR_SERROR_ENABLE (1 << SPSR_SERROR_SHIFT) +#define SPSR_DEBUG_SHIFT 9 +#define SPSR_DEBUG_MASK (0 << SPSR_DEBUG_SHIFT) +#define SPSR_DEBUG_ENABLE (1 << SPSR_DEBUG_SHIFT) + +#define SCR_NS 1 +#define SCR_RES1 (0x3 << 4) +#define SCR_SMC_SHIFT 7 +#define SCR_SMC_DISABLE (1 << SCR_SMC_SHIFT) +#define SCR_SMC_ENABLE (0 << SCR_SMC_SHIFT) +#define SCR_HVC_SHIFT 8 +#define SCR_HVC_DISABLE (0 << SCR_HVC_SHIFT) +#define SCR_HVC_ENABLE (1 << SCR_HVC_SHIFT) +#define SCR_RW_SHIFT 10 +#define SCR_LOWER_AARCH64 (1 << SCR_RW_SHIFT) +#define SCR_LOWER_AARCH32 (0 << SCR_RW_SHIFT) + +#define HCR_RW_SHIFT 31 +#define HCR_LOWER_AARCH64 (1 << HCR_RW_SHIFT) +#define HCR_LOWER_AARCH32 (0 << HCR_RW_SHIFT) + +#define SCTLR_MMU_ENABLE 1 +#define SCTLR_MMU_DISABLE 0 +#define SCTLR_ACE_SHIFT 1 +#define SCTLR_ACE_ENABLE (1 << SCTLR_ACE_SHIFT) +#define SCTLR_ACE_DISABLE (0 << SCTLR_ACE_SHIFT) +#define SCTLR_CACHE_SHIFT 2 +#define SCTLR_CACHE_ENABLE (1 << SCTLR_CACHE_SHIFT) +#define SCTLR_CACHE_DISABLE (0 << SCTLR_CACHE_SHIFT) +#define SCTLR_SAE_SHIFT 3 +#define SCTLR_SAE_ENABLE (1 << SCTLR_SAE_SHIFT) +#define SCTLR_SAE_DISABLE (0 << SCTLR_SAE_SHIFT) +#define SCTLR_RES1 ((0x3 << 4) | (0x1 << 11) | (0x1 << 16) | \ + (0x1 << 18) | (0x3 << 22) | (0x3 << 28)) +#define SCTLR_ICE_SHIFT 12 +#define SCTLR_ICE_ENABLE (1 << SCTLR_ICE_SHIFT) +#define SCTLR_ICE_DISABLE (0 << SCTLR_ICE_SHIFT) +#define SCTLR_WXN_SHIFT 19 +#define SCTLR_WXN_ENABLE (1 << SCTLR_WXN_SHIFT) +#define SCTLR_WXN_DISABLE (0 << SCTLR_WXN_SHIFT) +#define SCTLR_ENDIAN_SHIFT 25 +#define SCTLR_LITTLE_END (0 << SCTLR_ENDIAN_SHIFT) +#define SCTLR_BIG_END (1 << SCTLR_ENDIAN_SHIFT) + #ifdef __ASSEMBLY__ /* Macro to switch to label based on current el */