--- zzzz-none-000/linux-4.19.183/arch/arm/include/asm/cp15.h 2021-03-24 10:07:39.000000000 +0000 +++ bcm63-7530ax-756/linux-4.19.183/arch/arm/include/asm/cp15.h 2023-06-28 08:54:18.000000000 +0000 @@ -3,6 +3,9 @@ #define __ASM_ARM_CP15_H #include +#if defined(CONFIG_BCM_KF_ARM_KASAN) +#include +#endif /* * CR1 bits (CP#15 CR1) @@ -70,7 +73,116 @@ #define CNTVCT __ACCESS_CP15_64(1, c14) +#if defined(CONFIG_BCM_KF_ARM_KASAN) +#define TTBR0_32 __ACCESS_CP15(c2, 0, c0, 0) +#define TTBR1_32 __ACCESS_CP15(c2, 0, c0, 1) +#define PAR_32 __ACCESS_CP15(c7, 0, c4, 0) +#define TTBR0_64 __ACCESS_CP15_64(0, c2) +#define TTBR1_64 __ACCESS_CP15_64(1, c2) +#define PAR_64 __ACCESS_CP15_64(0, c7) +#define VTTBR __ACCESS_CP15_64(6, c2) +#define CNTP_CVAL __ACCESS_CP15_64(2, c14) +#define CNTV_CVAL __ACCESS_CP15_64(3, c14) +#define CNTVOFF __ACCESS_CP15_64(4, c14) + +#define MIDR __ACCESS_CP15(c0, 0, c0, 0) +#define CSSELR __ACCESS_CP15(c0, 2, c0, 0) +#define VPIDR __ACCESS_CP15(c0, 4, c0, 0) +#define VMPIDR __ACCESS_CP15(c0, 4, c0, 5) +#define SCTLR __ACCESS_CP15(c1, 0, c0, 0) +#define CPACR __ACCESS_CP15(c1, 0, c0, 2) +#define HCR __ACCESS_CP15(c1, 4, c1, 0) +#define HDCR __ACCESS_CP15(c1, 4, c1, 1) +#define HCPTR __ACCESS_CP15(c1, 4, c1, 2) +#define HSTR __ACCESS_CP15(c1, 4, c1, 3) +#define TTBCR __ACCESS_CP15(c2, 0, c0, 2) +#define HTCR __ACCESS_CP15(c2, 4, c0, 2) +#define VTCR __ACCESS_CP15(c2, 4, c1, 2) +#define DACR __ACCESS_CP15(c3, 0, c0, 0) +#define DFSR __ACCESS_CP15(c5, 0, c0, 0) +#define IFSR __ACCESS_CP15(c5, 0, c0, 1) +#define ADFSR __ACCESS_CP15(c5, 0, c1, 0) +#define AIFSR __ACCESS_CP15(c5, 0, c1, 1) +#define HSR __ACCESS_CP15(c5, 4, c2, 0) +#define DFAR __ACCESS_CP15(c6, 0, c0, 0) +#define IFAR __ACCESS_CP15(c6, 0, c0, 2) +#define HDFAR __ACCESS_CP15(c6, 4, c0, 0) +#define HIFAR __ACCESS_CP15(c6, 4, c0, 2) +#define HPFAR __ACCESS_CP15(c6, 4, c0, 4) +#define ICIALLUIS __ACCESS_CP15(c7, 0, c1, 0) +#define BPIALLIS __ACCESS_CP15(c7, 0, c1, 6) +#define ICIMVAU __ACCESS_CP15(c7, 0, c5, 1) +#define ATS1CPR __ACCESS_CP15(c7, 0, c8, 0) +#define TLBIALLIS __ACCESS_CP15(c8, 0, c3, 0) +#define TLBIALL __ACCESS_CP15(c8, 0, c7, 0) +#define TLBIALLNSNHIS __ACCESS_CP15(c8, 4, c3, 4) +#define PRRR __ACCESS_CP15(c10, 0, c2, 0) +#define NMRR __ACCESS_CP15(c10, 0, c2, 1) +#define AMAIR0 __ACCESS_CP15(c10, 0, c3, 0) +#define AMAIR1 __ACCESS_CP15(c10, 0, c3, 1) +#define VBAR __ACCESS_CP15(c12, 0, c0, 0) +#define CID __ACCESS_CP15(c13, 0, c0, 1) +#define TID_URW __ACCESS_CP15(c13, 0, c0, 2) +#define TID_URO __ACCESS_CP15(c13, 0, c0, 3) +#define TID_PRIV __ACCESS_CP15(c13, 0, c0, 4) +#define HTPIDR __ACCESS_CP15(c13, 4, c0, 2) +#define CNTKCTL __ACCESS_CP15(c14, 0, c1, 0) +#define CNTP_CTL __ACCESS_CP15(c14, 0, c2, 1) +#define CNTV_CTL __ACCESS_CP15(c14, 0, c3, 1) +#define CNTHCTL __ACCESS_CP15(c14, 4, c1, 0) + +#endif extern unsigned long cr_alignment; /* defined in entry-armv.S */ +#if defined(CONFIG_BCM_KF_ARM_KASAN) + +static inline void set_par(u64 val) +{ + if (IS_ENABLED(CONFIG_ARM_LPAE)) + write_sysreg(val, PAR_64); + else + write_sysreg(val, PAR_32); +} + +static inline u64 get_par(void) +{ + if (IS_ENABLED(CONFIG_ARM_LPAE)) + return read_sysreg(PAR_64); + else + return read_sysreg(PAR_32); +} + +static inline void set_ttbr0(u64 val) +{ + if (IS_ENABLED(CONFIG_ARM_LPAE)) + write_sysreg(val, TTBR0_64); + else + write_sysreg(val, TTBR0_32); +} + +static inline u64 get_ttbr0(void) +{ + if (IS_ENABLED(CONFIG_ARM_LPAE)) + return read_sysreg(TTBR0_64); + else + return read_sysreg(TTBR0_32); +} + +static inline void set_ttbr1(u64 val) +{ + if (IS_ENABLED(CONFIG_ARM_LPAE)) + write_sysreg(val, TTBR1_64); + else + write_sysreg(val, TTBR1_32); +} + +static inline u64 get_ttbr1(void) +{ + if (IS_ENABLED(CONFIG_ARM_LPAE)) + return read_sysreg(TTBR1_64); + else + return read_sysreg(TTBR1_32); +} +#endif static inline unsigned long get_cr(void) {