diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2025-11-28 15:47:53 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2025-11-28 15:47:53 +0000 |
| commit | 52c4d1d62424c574fa048235598ce37bd4ed1e32 (patch) | |
| tree | a63e8649e6258a9fa49a651c8f7227a8f45eda5c | |
| parent | 17c05cb0ef212d1a3c1bbbb67693a89cd9f0fb44 (diff) | |
| parent | 27abb1ee5a4e02a5314423371dafaf41499314a5 (diff) | |
Merge branch 'for-next/sysreg' into for-next/core
* for-next/sysreg:
: arm64 sysreg updates/cleanups
arm64/sysreg: Remove unused define ARM64_FEATURE_FIELD_BITS
KVM: arm64: selftests: Consider all 7 possible levels of cache
KVM: arm64: selftests: Remove ARM64_FEATURE_FIELD_BITS and its last user
arm64/sysreg: Add ICH_VMCR_EL2
arm64/sysreg: Move generation of RES0/RES1/UNKN to function
arm64/sysreg: Support feature-specific fields with 'Prefix' descriptor
arm64/sysreg: Fix checks for incomplete sysreg definitions
arm64/sysreg: Replace TCR_EL1 field macros
| -rw-r--r-- | arch/arm64/include/asm/assembler.h | 6 | ||||
| -rw-r--r-- | arch/arm64/include/asm/cputype.h | 2 | ||||
| -rw-r--r-- | arch/arm64/include/asm/mmu_context.h | 4 | ||||
| -rw-r--r-- | arch/arm64/include/asm/pgtable-hwdef.h | 143 | ||||
| -rw-r--r-- | arch/arm64/include/asm/pgtable-prot.h | 2 | ||||
| -rw-r--r-- | arch/arm64/include/asm/sysreg.h | 2 | ||||
| -rw-r--r-- | arch/arm64/kernel/cpufeature.c | 4 | ||||
| -rw-r--r-- | arch/arm64/kernel/pi/map_kernel.c | 8 | ||||
| -rw-r--r-- | arch/arm64/kernel/vmcore_info.c | 2 | ||||
| -rw-r--r-- | arch/arm64/mm/proc.S | 36 | ||||
| -rwxr-xr-x | arch/arm64/tools/gen-sysreg.awk | 146 | ||||
| -rw-r--r-- | arch/arm64/tools/sysreg | 21 | ||||
| -rw-r--r-- | tools/arch/arm64/include/asm/sysreg.h | 2 | ||||
| -rw-r--r-- | tools/testing/selftests/kvm/arm64/set_id_regs.c | 10 |
14 files changed, 211 insertions, 177 deletions
diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h index e9267623796c..f0ca7196f6fa 100644 --- a/arch/arm64/include/asm/assembler.h +++ b/arch/arm64/include/asm/assembler.h @@ -325,14 +325,14 @@ alternative_cb_end * tcr_set_t0sz - update TCR.T0SZ so that we can load the ID map */ .macro tcr_set_t0sz, valreg, t0sz - bfi \valreg, \t0sz, #TCR_T0SZ_OFFSET, #TCR_TxSZ_WIDTH + bfi \valreg, \t0sz, #TCR_EL1_T0SZ_SHIFT, #TCR_EL1_T0SZ_WIDTH .endm /* * tcr_set_t1sz - update TCR.T1SZ */ .macro tcr_set_t1sz, valreg, t1sz - bfi \valreg, \t1sz, #TCR_T1SZ_OFFSET, #TCR_TxSZ_WIDTH + bfi \valreg, \t1sz, #TCR_EL1_T1SZ_SHIFT, #TCR_EL1_T1SZ_WIDTH .endm /* @@ -589,7 +589,7 @@ alternative_endif .macro offset_ttbr1, ttbr, tmp #if defined(CONFIG_ARM64_VA_BITS_52) && !defined(CONFIG_ARM64_LPA2) mrs \tmp, tcr_el1 - and \tmp, \tmp, #TCR_T1SZ_MASK + and \tmp, \tmp, #TCR_EL1_T1SZ_MASK cmp \tmp, #TCR_T1SZ(VA_BITS_MIN) orr \tmp, \ttbr, #TTBR1_BADDR_4852_OFFSET csel \ttbr, \tmp, \ttbr, eq diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index 024b4fa976a8..08860d482e60 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -247,7 +247,7 @@ /* Fujitsu Erratum 010001 affects A64FX 1.0 and 1.1, (v0r0 and v1r0) */ #define MIDR_FUJITSU_ERRATUM_010001 MIDR_FUJITSU_A64FX #define MIDR_FUJITSU_ERRATUM_010001_MASK (~MIDR_CPU_VAR_REV(1, 0)) -#define TCR_CLEAR_FUJITSU_ERRATUM_010001 (TCR_NFD1 | TCR_NFD0) +#define TCR_CLEAR_FUJITSU_ERRATUM_010001 (TCR_EL1_NFD1 | TCR_EL1_NFD0) #ifndef __ASSEMBLER__ diff --git a/arch/arm64/include/asm/mmu_context.h b/arch/arm64/include/asm/mmu_context.h index d809355f9613..cc80af59c69e 100644 --- a/arch/arm64/include/asm/mmu_context.h +++ b/arch/arm64/include/asm/mmu_context.h @@ -68,10 +68,10 @@ static inline void __cpu_set_tcr_t0sz(unsigned long t0sz) { unsigned long tcr = read_sysreg(tcr_el1); - if ((tcr & TCR_T0SZ_MASK) == t0sz) + if ((tcr & TCR_EL1_T0SZ_MASK) == t0sz) return; - tcr &= ~TCR_T0SZ_MASK; + tcr &= ~TCR_EL1_T0SZ_MASK; tcr |= t0sz; write_sysreg(tcr, tcr_el1); isb(); diff --git a/arch/arm64/include/asm/pgtable-hwdef.h b/arch/arm64/include/asm/pgtable-hwdef.h index f3b77deedfa2..d49180bb7cb3 100644 --- a/arch/arm64/include/asm/pgtable-hwdef.h +++ b/arch/arm64/include/asm/pgtable-hwdef.h @@ -228,102 +228,53 @@ /* * TCR flags. */ -#define TCR_T0SZ_OFFSET 0 -#define TCR_T1SZ_OFFSET 16 -#define TCR_T0SZ(x) ((UL(64) - (x)) << TCR_T0SZ_OFFSET) -#define TCR_T1SZ(x) ((UL(64) - (x)) << TCR_T1SZ_OFFSET) -#define TCR_TxSZ(x) (TCR_T0SZ(x) | TCR_T1SZ(x)) -#define TCR_TxSZ_WIDTH 6 -#define TCR_T0SZ_MASK (((UL(1) << TCR_TxSZ_WIDTH) - 1) << TCR_T0SZ_OFFSET) -#define TCR_T1SZ_MASK (((UL(1) << TCR_TxSZ_WIDTH) - 1) << TCR_T1SZ_OFFSET) - -#define TCR_EPD0_SHIFT 7 -#define TCR_EPD0_MASK (UL(1) << TCR_EPD0_SHIFT) -#define TCR_IRGN0_SHIFT 8 -#define TCR_IRGN0_MASK (UL(3) << TCR_IRGN0_SHIFT) -#define TCR_IRGN0_NC (UL(0) << TCR_IRGN0_SHIFT) -#define TCR_IRGN0_WBWA (UL(1) << TCR_IRGN0_SHIFT) -#define TCR_IRGN0_WT (UL(2) << TCR_IRGN0_SHIFT) -#define TCR_IRGN0_WBnWA (UL(3) << TCR_IRGN0_SHIFT) - -#define TCR_EPD1_SHIFT 23 -#define TCR_EPD1_MASK (UL(1) << TCR_EPD1_SHIFT) -#define TCR_IRGN1_SHIFT 24 -#define TCR_IRGN1_MASK (UL(3) << TCR_IRGN1_SHIFT) -#define TCR_IRGN1_NC (UL(0) << TCR_IRGN1_SHIFT) -#define TCR_IRGN1_WBWA (UL(1) << TCR_IRGN1_SHIFT) -#define TCR_IRGN1_WT (UL(2) << TCR_IRGN1_SHIFT) -#define TCR_IRGN1_WBnWA (UL(3) << TCR_IRGN1_SHIFT) - -#define TCR_IRGN_NC (TCR_IRGN0_NC | TCR_IRGN1_NC) -#define TCR_IRGN_WBWA (TCR_IRGN0_WBWA | TCR_IRGN1_WBWA) -#define TCR_IRGN_WT (TCR_IRGN0_WT | TCR_IRGN1_WT) -#define TCR_IRGN_WBnWA (TCR_IRGN0_WBnWA | TCR_IRGN1_WBnWA) -#define TCR_IRGN_MASK (TCR_IRGN0_MASK | TCR_IRGN1_MASK) - - -#define TCR_ORGN0_SHIFT 10 -#define TCR_ORGN0_MASK (UL(3) << TCR_ORGN0_SHIFT) -#define TCR_ORGN0_NC (UL(0) << TCR_ORGN0_SHIFT) -#define TCR_ORGN0_WBWA (UL(1) << TCR_ORGN0_SHIFT) -#define TCR_ORGN0_WT (UL(2) << TCR_ORGN0_SHIFT) -#define TCR_ORGN0_WBnWA (UL(3) << TCR_ORGN0_SHIFT) - -#define TCR_ORGN1_SHIFT 26 -#define TCR_ORGN1_MASK (UL(3) << TCR_ORGN1_SHIFT) -#define TCR_ORGN1_NC (UL(0) << TCR_ORGN1_SHIFT) -#define TCR_ORGN1_WBWA (UL(1) << TCR_ORGN1_SHIFT) -#define TCR_ORGN1_WT (UL(2) << TCR_ORGN1_SHIFT) -#define TCR_ORGN1_WBnWA (UL(3) << TCR_ORGN1_SHIFT) - -#define TCR_ORGN_NC (TCR_ORGN0_NC | TCR_ORGN1_NC) -#define TCR_ORGN_WBWA (TCR_ORGN0_WBWA | TCR_ORGN1_WBWA) -#define TCR_ORGN_WT (TCR_ORGN0_WT | TCR_ORGN1_WT) -#define TCR_ORGN_WBnWA (TCR_ORGN0_WBnWA | TCR_ORGN1_WBnWA) -#define TCR_ORGN_MASK (TCR_ORGN0_MASK | TCR_ORGN1_MASK) - -#define TCR_SH0_SHIFT 12 -#define TCR_SH0_MASK (UL(3) << TCR_SH0_SHIFT) -#define TCR_SH0_INNER (UL(3) << TCR_SH0_SHIFT) - -#define TCR_SH1_SHIFT 28 -#define TCR_SH1_MASK (UL(3) << TCR_SH1_SHIFT) -#define TCR_SH1_INNER (UL(3) << TCR_SH1_SHIFT) -#define TCR_SHARED (TCR_SH0_INNER | TCR_SH1_INNER) - -#define TCR_TG0_SHIFT 14 -#define TCR_TG0_MASK (UL(3) << TCR_TG0_SHIFT) -#define TCR_TG0_4K (UL(0) << TCR_TG0_SHIFT) -#define TCR_TG0_64K (UL(1) << TCR_TG0_SHIFT) -#define TCR_TG0_16K (UL(2) << TCR_TG0_SHIFT) - -#define TCR_TG1_SHIFT 30 -#define TCR_TG1_MASK (UL(3) << TCR_TG1_SHIFT) -#define TCR_TG1_16K (UL(1) << TCR_TG1_SHIFT) -#define TCR_TG1_4K (UL(2) << TCR_TG1_SHIFT) -#define TCR_TG1_64K (UL(3) << TCR_TG1_SHIFT) - -#define TCR_IPS_SHIFT 32 -#define TCR_IPS_MASK (UL(7) << TCR_IPS_SHIFT) -#define TCR_A1 (UL(1) << 22) -#define TCR_ASID16 (UL(1) << 36) -#define TCR_TBI0 (UL(1) << 37) -#define TCR_TBI1 (UL(1) << 38) -#define TCR_HA (UL(1) << 39) -#define TCR_HD (UL(1) << 40) -#define TCR_HPD0_SHIFT 41 -#define TCR_HPD0 (UL(1) << TCR_HPD0_SHIFT) -#define TCR_HPD1_SHIFT 42 -#define TCR_HPD1 (UL(1) << TCR_HPD1_SHIFT) -#define TCR_TBID0 (UL(1) << 51) -#define TCR_TBID1 (UL(1) << 52) -#define TCR_NFD0 (UL(1) << 53) -#define TCR_NFD1 (UL(1) << 54) -#define TCR_E0PD0 (UL(1) << 55) -#define TCR_E0PD1 (UL(1) << 56) -#define TCR_TCMA0 (UL(1) << 57) -#define TCR_TCMA1 (UL(1) << 58) -#define TCR_DS (UL(1) << 59) +#define TCR_T0SZ(x) ((UL(64) - (x)) << TCR_EL1_T0SZ_SHIFT) +#define TCR_T1SZ(x) ((UL(64) - (x)) << TCR_EL1_T1SZ_SHIFT) + +#define TCR_T0SZ_MASK TCR_EL1_T0SZ_MASK +#define TCR_T1SZ_MASK TCR_EL1_T1SZ_MASK + +#define TCR_EPD0_MASK TCR_EL1_EPD0_MASK +#define TCR_EPD1_MASK TCR_EL1_EPD1_MASK + +#define TCR_IRGN0_MASK TCR_EL1_IRGN0_MASK +#define TCR_IRGN0_WBWA (TCR_EL1_IRGN0_WBWA << TCR_EL1_IRGN0_SHIFT) + +#define TCR_ORGN0_MASK TCR_EL1_ORGN0_MASK +#define TCR_ORGN0_WBWA (TCR_EL1_ORGN0_WBWA << TCR_EL1_ORGN0_SHIFT) + +#define TCR_SH0_MASK TCR_EL1_SH0_MASK +#define TCR_SH0_INNER (TCR_EL1_SH0_INNER << TCR_EL1_SH0_SHIFT) + +#define TCR_SH1_MASK TCR_EL1_SH1_MASK + +#define TCR_TG0_SHIFT TCR_EL1_TG0_SHIFT +#define TCR_TG0_MASK TCR_EL1_TG0_MASK +#define TCR_TG0_4K (TCR_EL1_TG0_4K << TCR_EL1_TG0_SHIFT) +#define TCR_TG0_64K (TCR_EL1_TG0_64K << TCR_EL1_TG0_SHIFT) +#define TCR_TG0_16K (TCR_EL1_TG0_16K << TCR_EL1_TG0_SHIFT) + +#define TCR_TG1_SHIFT TCR_EL1_TG1_SHIFT +#define TCR_TG1_MASK TCR_EL1_TG1_MASK +#define TCR_TG1_16K (TCR_EL1_TG1_16K << TCR_EL1_TG1_SHIFT) +#define TCR_TG1_4K (TCR_EL1_TG1_4K << TCR_EL1_TG1_SHIFT) +#define TCR_TG1_64K (TCR_EL1_TG1_64K << TCR_EL1_TG1_SHIFT) + +#define TCR_IPS_SHIFT TCR_EL1_IPS_SHIFT +#define TCR_IPS_MASK TCR_EL1_IPS_MASK +#define TCR_A1 TCR_EL1_A1 +#define TCR_ASID16 TCR_EL1_AS +#define TCR_TBI0 TCR_EL1_TBI0 +#define TCR_TBI1 TCR_EL1_TBI1 +#define TCR_HA TCR_EL1_HA +#define TCR_HD TCR_EL1_HD +#define TCR_HPD0 TCR_EL1_HPD0 +#define TCR_HPD1 TCR_EL1_HPD1 +#define TCR_TBID0 TCR_EL1_TBID0 +#define TCR_TBID1 TCR_EL1_TBID1 +#define TCR_E0PD0 TCR_EL1_E0PD0 +#define TCR_E0PD1 TCR_EL1_E0PD1 +#define TCR_DS TCR_EL1_DS /* * TTBR. diff --git a/arch/arm64/include/asm/pgtable-prot.h b/arch/arm64/include/asm/pgtable-prot.h index 28460c826298..161e8660eddd 100644 --- a/arch/arm64/include/asm/pgtable-prot.h +++ b/arch/arm64/include/asm/pgtable-prot.h @@ -84,7 +84,7 @@ extern unsigned long prot_ns_shared; #else static inline bool __pure lpa2_is_enabled(void) { - return read_tcr() & TCR_DS; + return read_tcr() & TCR_EL1_DS; } #define PTE_MAYBE_SHARED (lpa2_is_enabled() ? 0 : PTE_SHARED) diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index 9c9a96643412..9123ecf6b993 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -1129,8 +1129,6 @@ #define gicr_insn(insn) read_sysreg_s(GICV5_OP_GICR_##insn) #define gic_insn(v, insn) write_sysreg_s(v, GICV5_OP_GIC_##insn) -#define ARM64_FEATURE_FIELD_BITS 4 - #ifdef __ASSEMBLER__ .macro mrs_s, rt, sreg diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 77654643b952..479c47906c52 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -1969,7 +1969,7 @@ static struct cpumask dbm_cpus __read_mostly; static inline void __cpu_enable_hw_dbm(void) { - u64 tcr = read_sysreg(tcr_el1) | TCR_HD; + u64 tcr = read_sysreg(tcr_el1) | TCR_EL1_HD; write_sysreg(tcr, tcr_el1); isb(); @@ -2255,7 +2255,7 @@ static bool has_generic_auth(const struct arm64_cpu_capabilities *entry, static void cpu_enable_e0pd(struct arm64_cpu_capabilities const *cap) { if (this_cpu_has_cap(ARM64_HAS_E0PD)) - sysreg_clear_set(tcr_el1, 0, TCR_E0PD1); + sysreg_clear_set(tcr_el1, 0, TCR_EL1_E0PD1); } #endif /* CONFIG_ARM64_E0PD */ diff --git a/arch/arm64/kernel/pi/map_kernel.c b/arch/arm64/kernel/pi/map_kernel.c index e8ddbde31a83..8ac26be77685 100644 --- a/arch/arm64/kernel/pi/map_kernel.c +++ b/arch/arm64/kernel/pi/map_kernel.c @@ -141,13 +141,13 @@ static void __init map_kernel(u64 kaslr_offset, u64 va_offset, int root_level) static void noinline __section(".idmap.text") set_ttbr0_for_lpa2(phys_addr_t ttbr) { u64 sctlr = read_sysreg(sctlr_el1); - u64 tcr = read_sysreg(tcr_el1) | TCR_DS; + u64 tcr = read_sysreg(tcr_el1) | TCR_EL1_DS; u64 mmfr0 = read_sysreg(id_aa64mmfr0_el1); u64 parange = cpuid_feature_extract_unsigned_field(mmfr0, ID_AA64MMFR0_EL1_PARANGE_SHIFT); - tcr &= ~TCR_IPS_MASK; - tcr |= parange << TCR_IPS_SHIFT; + tcr &= ~TCR_EL1_IPS_MASK; + tcr |= parange << TCR_EL1_IPS_SHIFT; asm(" msr sctlr_el1, %0 ;" " isb ;" @@ -263,7 +263,7 @@ asmlinkage void __init early_map_kernel(u64 boot_status, phys_addr_t fdt) } if (va_bits > VA_BITS_MIN) - sysreg_clear_set(tcr_el1, TCR_T1SZ_MASK, TCR_T1SZ(va_bits)); + sysreg_clear_set(tcr_el1, TCR_EL1_T1SZ_MASK, TCR_T1SZ(va_bits)); /* * The virtual KASLR displacement modulo 2MiB is decided by the diff --git a/arch/arm64/kernel/vmcore_info.c b/arch/arm64/kernel/vmcore_info.c index b19d5d6cb8b3..9619ece66b79 100644 --- a/arch/arm64/kernel/vmcore_info.c +++ b/arch/arm64/kernel/vmcore_info.c @@ -14,7 +14,7 @@ static inline u64 get_tcr_el1_t1sz(void); static inline u64 get_tcr_el1_t1sz(void) { - return (read_sysreg(tcr_el1) & TCR_T1SZ_MASK) >> TCR_T1SZ_OFFSET; + return (read_sysreg(tcr_el1) & TCR_EL1_T1SZ_MASK) >> TCR_EL1_T1SZ_SHIFT; } void arch_crash_save_vmcoreinfo(void) diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S index 86818511962b..01e868116448 100644 --- a/arch/arm64/mm/proc.S +++ b/arch/arm64/mm/proc.S @@ -23,15 +23,18 @@ #include <asm/sysreg.h> #ifdef CONFIG_ARM64_64K_PAGES -#define TCR_TG_FLAGS TCR_TG0_64K | TCR_TG1_64K +#define TCR_TG_FLAGS ((TCR_EL1_TG0_64K << TCR_EL1_TG0_SHIFT) |\ + (TCR_EL1_TG1_64K << TCR_EL1_TG1_SHIFT)) #elif defined(CONFIG_ARM64_16K_PAGES) -#define TCR_TG_FLAGS TCR_TG0_16K | TCR_TG1_16K +#define TCR_TG_FLAGS ((TCR_EL1_TG0_16K << TCR_EL1_TG0_SHIFT) |\ + (TCR_EL1_TG1_16K << TCR_EL1_TG1_SHIFT)) #else /* CONFIG_ARM64_4K_PAGES */ -#define TCR_TG_FLAGS TCR_TG0_4K | TCR_TG1_4K +#define TCR_TG_FLAGS ((TCR_EL1_TG0_4K << TCR_EL1_TG0_SHIFT) |\ + (TCR_EL1_TG1_4K << TCR_EL1_TG1_SHIFT)) #endif #ifdef CONFIG_RANDOMIZE_BASE -#define TCR_KASLR_FLAGS TCR_NFD1 +#define TCR_KASLR_FLAGS TCR_EL1_NFD1 #else #define TCR_KASLR_FLAGS 0 #endif @@ -40,23 +43,30 @@ #define TCR_CACHE_FLAGS TCR_IRGN_WBWA | TCR_ORGN_WBWA #ifdef CONFIG_KASAN_SW_TAGS -#define TCR_KASAN_SW_FLAGS TCR_TBI1 | TCR_TBID1 +#define TCR_KASAN_SW_FLAGS TCR_EL1_TBI1 | TCR_EL1_TBID1 #else #define TCR_KASAN_SW_FLAGS 0 #endif #ifdef CONFIG_KASAN_HW_TAGS -#define TCR_MTE_FLAGS TCR_TCMA1 | TCR_TBI1 | TCR_TBID1 +#define TCR_MTE_FLAGS TCR_EL1_TCMA1 | TCR_EL1_TBI1 | TCR_EL1_TBID1 #elif defined(CONFIG_ARM64_MTE) /* * The mte_zero_clear_page_tags() implementation uses DC GZVA, which relies on * TBI being enabled at EL1. */ -#define TCR_MTE_FLAGS TCR_TBI1 | TCR_TBID1 +#define TCR_MTE_FLAGS TCR_EL1_TBI1 | TCR_EL1_TBID1 #else #define TCR_MTE_FLAGS 0 #endif +#define TCR_IRGN_WBWA ((TCR_EL1_IRGN0_WBWA << TCR_EL1_IRGN0_SHIFT) |\ + (TCR_EL1_IRGN1_WBWA << TCR_EL1_IRGN1_SHIFT)) +#define TCR_ORGN_WBWA ((TCR_EL1_ORGN0_WBWA << TCR_EL1_ORGN0_SHIFT) |\ + (TCR_EL1_ORGN1_WBWA << TCR_EL1_ORGN1_SHIFT)) +#define TCR_SHARED ((TCR_EL1_SH0_INNER << TCR_EL1_SH0_SHIFT) |\ + (TCR_EL1_SH1_INNER << TCR_EL1_SH1_SHIFT)) + /* * Default MAIR_EL1. MT_NORMAL_TAGGED is initially mapped as Normal memory and * changed during mte_cpu_setup to Normal Tagged if the system supports MTE. @@ -129,7 +139,7 @@ SYM_FUNC_START(cpu_do_resume) /* Don't change t0sz here, mask those bits when restoring */ mrs x7, tcr_el1 - bfi x8, x7, TCR_T0SZ_OFFSET, TCR_TxSZ_WIDTH + bfi x8, x7, TCR_EL1_T0SZ_SHIFT, TCR_EL1_T0SZ_WIDTH msr tcr_el1, x8 msr vbar_el1, x9 @@ -481,8 +491,8 @@ SYM_FUNC_START(__cpu_setup) tcr2 .req x15 mov_q mair, MAIR_EL1_SET mov_q tcr, TCR_T0SZ(IDMAP_VA_BITS) | TCR_T1SZ(VA_BITS_MIN) | TCR_CACHE_FLAGS | \ - TCR_SHARED | TCR_TG_FLAGS | TCR_KASLR_FLAGS | TCR_ASID16 | \ - TCR_TBI0 | TCR_A1 | TCR_KASAN_SW_FLAGS | TCR_MTE_FLAGS + TCR_SHARED | TCR_TG_FLAGS | TCR_KASLR_FLAGS | TCR_EL1_AS | \ + TCR_EL1_TBI0 | TCR_EL1_A1 | TCR_KASAN_SW_FLAGS | TCR_MTE_FLAGS mov tcr2, xzr tcr_clear_errata_bits tcr, x9, x5 @@ -492,7 +502,7 @@ SYM_FUNC_START(__cpu_setup) alternative_if ARM64_HAS_VA52 tcr_set_t1sz tcr, x9 #ifdef CONFIG_ARM64_LPA2 - orr tcr, tcr, #TCR_DS + orr tcr, tcr, #TCR_EL1_DS #endif alternative_else_nop_endif #endif @@ -500,7 +510,7 @@ alternative_else_nop_endif /* * Set the IPS bits in TCR_EL1. */ - tcr_compute_pa_size tcr, #TCR_IPS_SHIFT, x5, x6 + tcr_compute_pa_size tcr, #TCR_EL1_IPS_SHIFT, x5, x6 #ifdef CONFIG_ARM64_HW_AFDBM /* * Enable hardware update of the Access Flags bit. @@ -510,7 +520,7 @@ alternative_else_nop_endif mrs x9, ID_AA64MMFR1_EL1 ubfx x9, x9, ID_AA64MMFR1_EL1_HAFDBS_SHIFT, #4 cbz x9, 1f - orr tcr, tcr, #TCR_HA // hardware Access flag update + orr tcr, tcr, #TCR_EL1_HA // hardware Access flag update #ifdef CONFIG_ARM64_HAFT cmp x9, ID_AA64MMFR1_EL1_HAFDBS_HAFT b.lt 1f diff --git a/arch/arm64/tools/gen-sysreg.awk b/arch/arm64/tools/gen-sysreg.awk index bbbb812603e8..86860ab672dc 100755 --- a/arch/arm64/tools/gen-sysreg.awk +++ b/arch/arm64/tools/gen-sysreg.awk @@ -44,21 +44,38 @@ function expect_fields(nf) { # Print a CPP macro definition, padded with spaces so that the macro bodies # line up in a column -function define(name, val) { - printf "%-56s%s\n", "#define " name, val +function define(prefix, name, val) { + printf "%-56s%s\n", "#define " prefix name, val +} + +# Same as above, but without a prefix +function define_reg(name, val) { + define(null, name, val) } # Print standard BITMASK/SHIFT/WIDTH CPP definitions for a field -function define_field(reg, field, msb, lsb) { - define(reg "_" field, "GENMASK(" msb ", " lsb ")") - define(reg "_" field "_MASK", "GENMASK(" msb ", " lsb ")") - define(reg "_" field "_SHIFT", lsb) - define(reg "_" field "_WIDTH", msb - lsb + 1) +function define_field(prefix, reg, field, msb, lsb) { + define(prefix, reg "_" field, "GENMASK(" msb ", " lsb ")") + define(prefix, reg "_" field "_MASK", "GENMASK(" msb ", " lsb ")") + define(prefix, reg "_" field "_SHIFT", lsb) + define(prefix, reg "_" field "_WIDTH", msb - lsb + 1) } # Print a field _SIGNED definition for a field -function define_field_sign(reg, field, sign) { - define(reg "_" field "_SIGNED", sign) +function define_field_sign(prefix, reg, field, sign) { + define(prefix, reg "_" field "_SIGNED", sign) +} + +# Print the Res0, Res1, Unkn masks +function define_resx_unkn(prefix, reg, res0, res1, unkn) { + if (res0 != null) + define(prefix, reg "_RES0", "(" res0 ")") + if (res1 != null) + define(prefix, reg "_RES1", "(" res1 ")") + if (unkn != null) + define(prefix, reg "_UNKN", "(" unkn ")") + if (res0 != null || res1 != null || unkn != null) + print "" } # Parse a "<msb>[:<lsb>]" string into the global variables @msb and @lsb @@ -128,18 +145,17 @@ $1 == "SysregFields" && block_current() == "Root" { next_bit = 63 + delete seen_prefixes + next } $1 == "EndSysregFields" && block_current() == "SysregFields" { expect_fields(1) - if (next_bit > 0) + if (next_bit >= 0) fatal("Unspecified bits in " reg) - define(reg "_RES0", "(" res0 ")") - define(reg "_RES1", "(" res1 ")") - define(reg "_UNKN", "(" unkn ")") - print "" + define_resx_unkn(prefix, reg, res0, res1, unkn) reg = null res0 = null @@ -170,35 +186,31 @@ $1 == "Sysreg" && block_current() == "Root" { fatal("Duplicate Sysreg definition for " reg) defined_regs[reg] = 1 - define("REG_" reg, "S" op0 "_" op1 "_C" crn "_C" crm "_" op2) - define("SYS_" reg, "sys_reg(" op0 ", " op1 ", " crn ", " crm ", " op2 ")") + define_reg("REG_" reg, "S" op0 "_" op1 "_C" crn "_C" crm "_" op2) + define_reg("SYS_" reg, "sys_reg(" op0 ", " op1 ", " crn ", " crm ", " op2 ")") - define("SYS_" reg "_Op0", op0) - define("SYS_" reg "_Op1", op1) - define("SYS_" reg "_CRn", crn) - define("SYS_" reg "_CRm", crm) - define("SYS_" reg "_Op2", op2) + define_reg("SYS_" reg "_Op0", op0) + define_reg("SYS_" reg "_Op1", op1) + define_reg("SYS_" reg "_CRn", crn) + define_reg("SYS_" reg "_CRm", crm) + define_reg("SYS_" reg "_Op2", op2) print "" + prefix = null next_bit = 63 + delete seen_prefixes + next } $1 == "EndSysreg" && block_current() == "Sysreg" { expect_fields(1) - if (next_bit > 0) + if (next_bit >= 0) fatal("Unspecified bits in " reg) - if (res0 != null) - define(reg "_RES0", "(" res0 ")") - if (res1 != null) - define(reg "_RES1", "(" res1 ")") - if (unkn != null) - define(reg "_UNKN", "(" unkn ")") - if (res0 != null || res1 != null || unkn != null) - print "" + define_resx_unkn(prefix, reg, res0, res1, unkn) reg = null op0 = null @@ -209,6 +221,7 @@ $1 == "EndSysreg" && block_current() == "Sysreg" { res0 = null res1 = null unkn = null + prefix = null block_pop() next @@ -225,7 +238,7 @@ $1 == "EndSysreg" && block_current() == "Sysreg" { print "/* For " reg " fields see " $2 " */" print "" - next_bit = 0 + next_bit = -1 res0 = null res1 = null unkn = null @@ -233,8 +246,7 @@ $1 == "EndSysreg" && block_current() == "Sysreg" { next } - -$1 == "Res0" && (block_current() == "Sysreg" || block_current() == "SysregFields") { +$1 == "Res0" && (block_current() == "Sysreg" || block_current() == "SysregFields" || block_current() == "Prefix") { expect_fields(2) parse_bitdef(reg, "RES0", $2) field = "RES0_" msb "_" lsb @@ -244,7 +256,7 @@ $1 == "Res0" && (block_current() == "Sysreg" || block_current() == "SysregFields next } -$1 == "Res1" && (block_current() == "Sysreg" || block_current() == "SysregFields") { +$1 == "Res1" && (block_current() == "Sysreg" || block_current() == "SysregFields" || block_current() == "Prefix") { expect_fields(2) parse_bitdef(reg, "RES1", $2) field = "RES1_" msb "_" lsb @@ -254,7 +266,7 @@ $1 == "Res1" && (block_current() == "Sysreg" || block_current() == "SysregFields next } -$1 == "Unkn" && (block_current() == "Sysreg" || block_current() == "SysregFields") { +$1 == "Unkn" && (block_current() == "Sysreg" || block_current() == "SysregFields" || block_current() == "Prefix") { expect_fields(2) parse_bitdef(reg, "UNKN", $2) field = "UNKN_" msb "_" lsb @@ -264,62 +276,62 @@ $1 == "Unkn" && (block_current() == "Sysreg" || block_current() == "SysregFields next } -$1 == "Field" && (block_current() == "Sysreg" || block_current() == "SysregFields") { +$1 == "Field" && (block_current() == "Sysreg" || block_current() == "SysregFields" || block_current() == "Prefix") { expect_fields(3) field = $3 parse_bitdef(reg, field, $2) - define_field(reg, field, msb, lsb) + define_field(prefix, reg, field, msb, lsb) print "" next } -$1 == "Raz" && (block_current() == "Sysreg" || block_current() == "SysregFields") { +$1 == "Raz" && (block_current() == "Sysreg" || block_current() == "SysregFields" || block_current() == "Prefix") { expect_fields(2) parse_bitdef(reg, field, $2) next } -$1 == "SignedEnum" && (block_current() == "Sysreg" || block_current() == "SysregFields") { +$1 == "SignedEnum" && (block_current() == "Sysreg" || block_current() == "SysregFields" || block_current() == "Prefix") { block_push("Enum") expect_fields(3) field = $3 parse_bitdef(reg, field, $2) - define_field(reg, field, msb, lsb) - define_field_sign(reg, field, "true") + define_field(prefix, reg, field, msb, lsb) + define_field_sign(prefix, reg, field, "true") delete seen_enum_vals next } -$1 == "UnsignedEnum" && (block_current() == "Sysreg" || block_current() == "SysregFields") { +$1 == "UnsignedEnum" && (block_current() == "Sysreg" || block_current() == "SysregFields" || block_current() == "Prefix") { block_push("Enum") expect_fields(3) field = $3 parse_bitdef(reg, field, $2) - define_field(reg, field, msb, lsb) - define_field_sign(reg, field, "false") + define_field(prefix, reg, field, msb, lsb) + define_field_sign(prefix, reg, field, "false") delete seen_enum_vals next } -$1 == "Enum" && (block_current() == "Sysreg" || block_current() == "SysregFields") { +$1 == "Enum" && (block_current() == "Sysreg" || block_current() == "SysregFields" || block_current() == "Prefix") { block_push("Enum") expect_fields(3) field = $3 parse_bitdef(reg, field, $2) - define_field(reg, field, msb, lsb) + define_field(prefix, reg, field, msb, lsb) delete seen_enum_vals @@ -349,7 +361,47 @@ $1 == "EndEnum" && block_current() == "Enum" { fatal("Duplicate Enum value " val " for " name) seen_enum_vals[val] = 1 - define(reg "_" field "_" name, "UL(" val ")") + define(prefix, reg "_" field "_" name, "UL(" val ")") + next +} + +$1 == "Prefix" && (block_current() == "Sysreg" || block_current() == "SysregFields") { + block_push("Prefix") + + expect_fields(2) + + if (next_bit < 63) + fatal("Prefixed fields must precede non-prefixed fields (" reg ")") + + prefix = $2 "_" + + if (prefix in seen_prefixes) + fatal("Duplicate prefix " prefix " for " reg) + seen_prefixes[prefix] = 1 + + res0 = "UL(0)" + res1 = "UL(0)" + unkn = "UL(0)" + next_bit = 63 + + next +} + +$1 == "EndPrefix" && block_current() == "Prefix" { + expect_fields(1) + if (next_bit >= 0) + fatal("Unspecified bits in prefix " prefix " for " reg) + + define_resx_unkn(prefix, reg, res0, res1, unkn) + + prefix = null + res0 = "UL(0)" + res1 = "UL(0)" + unkn = "UL(0)" + next_bit = 63 + + block_pop() + next } diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg index 1c6cdf9d54bb..8921b51866d6 100644 --- a/arch/arm64/tools/sysreg +++ b/arch/arm64/tools/sysreg @@ -4669,6 +4669,27 @@ Field 1 V3 Field 0 En EndSysreg +Sysreg ICH_VMCR_EL2 3 4 12 11 7 +Prefix FEAT_GCIE +Res0 63:32 +Field 31:27 VPMR +Res0 26:1 +Field 0 EN +EndPrefix +Res0 63:32 +Field 31:24 VPMR +Field 23:21 VBPR0 +Field 20:18 VBPR1 +Res0 17:10 +Field 9 VEOIM +Res0 8:5 +Field 4 VCBPR +Field 3 VFIQEn +Field 2 VAckCtl +Field 1 VENG1 +Field 0 VENG0 +EndSysreg + Sysreg CONTEXTIDR_EL2 3 4 13 0 1 Fields CONTEXTIDR_ELx EndSysreg diff --git a/tools/arch/arm64/include/asm/sysreg.h b/tools/arch/arm64/include/asm/sysreg.h index 10c457d468e8..178b7322bf04 100644 --- a/tools/arch/arm64/include/asm/sysreg.h +++ b/tools/arch/arm64/include/asm/sysreg.h @@ -1078,8 +1078,6 @@ #define GCS_CAP(x) ((((unsigned long)x) & GCS_CAP_ADDR_MASK) | \ GCS_CAP_VALID_TOKEN) -#define ARM64_FEATURE_FIELD_BITS 4 - #ifdef __ASSEMBLER__ .macro mrs_s, rt, sreg diff --git a/tools/testing/selftests/kvm/arm64/set_id_regs.c b/tools/testing/selftests/kvm/arm64/set_id_regs.c index 8ff1e853f7f8..01f9e417cea1 100644 --- a/tools/testing/selftests/kvm/arm64/set_id_regs.c +++ b/tools/testing/selftests/kvm/arm64/set_id_regs.c @@ -265,7 +265,9 @@ static void guest_code(void) /* Return a safe value to a given ftr_bits an ftr value */ uint64_t get_safe_value(const struct reg_ftr_bits *ftr_bits, uint64_t ftr) { - uint64_t ftr_max = GENMASK_ULL(ARM64_FEATURE_FIELD_BITS - 1, 0); + uint64_t ftr_max = ftr_bits->mask >> ftr_bits->shift; + + TEST_ASSERT(ftr_max > 1, "This test doesn't support single bit features"); if (ftr_bits->sign == FTR_UNSIGNED) { switch (ftr_bits->type) { @@ -317,7 +319,9 @@ uint64_t get_safe_value(const struct reg_ftr_bits *ftr_bits, uint64_t ftr) /* Return an invalid value to a given ftr_bits an ftr value */ uint64_t get_invalid_value(const struct reg_ftr_bits *ftr_bits, uint64_t ftr) { - uint64_t ftr_max = GENMASK_ULL(ARM64_FEATURE_FIELD_BITS - 1, 0); + uint64_t ftr_max = ftr_bits->mask >> ftr_bits->shift; + + TEST_ASSERT(ftr_max > 1, "This test doesn't support single bit features"); if (ftr_bits->sign == FTR_UNSIGNED) { switch (ftr_bits->type) { @@ -669,7 +673,7 @@ static void test_clidr(struct kvm_vcpu *vcpu) clidr = vcpu_get_reg(vcpu, KVM_ARM64_SYS_REG(SYS_CLIDR_EL1)); /* find the first empty level in the cache hierarchy */ - for (level = 1; level < 7; level++) { + for (level = 1; level <= 7; level++) { if (!CLIDR_CTYPE(clidr, level)) break; } |