diff options
Diffstat (limited to 'target-arm/helper.c')
| -rw-r--r-- | target-arm/helper.c | 562 |
1 files changed, 456 insertions, 106 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index 1b111b6e85..90f85f1899 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -5,6 +5,8 @@ #include "sysemu/arch_init.h" #include "sysemu/sysemu.h" #include "qemu/bitops.h" +#include "qemu/crc32c.h" +#include <zlib.h> /* For crc32 */ #ifndef CONFIG_USER_ONLY static inline int get_phys_addr(CPUARMState *env, uint32_t address, @@ -109,7 +111,7 @@ static int aarch64_fpu_gdb_set_reg(CPUARMState *env, uint8_t *buf, int reg) static uint64_t raw_read(CPUARMState *env, const ARMCPRegInfo *ri) { - if (ri->type & ARM_CP_64BIT) { + if (cpreg_field_is_64bit(ri)) { return CPREG_FIELD64(env, ri); } else { return CPREG_FIELD32(env, ri); @@ -119,7 +121,7 @@ static uint64_t raw_read(CPUARMState *env, const ARMCPRegInfo *ri) static void raw_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) { - if (ri->type & ARM_CP_64BIT) { + if (cpreg_field_is_64bit(ri)) { CPREG_FIELD64(env, ri) = value; } else { CPREG_FIELD32(env, ri) = value; @@ -458,7 +460,8 @@ static const ARMCPRegInfo v6_cp_reginfo[] = { */ { .name = "WFAR", .cp = 15, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 1, .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0, }, - { .name = "CPACR", .cp = 15, .crn = 1, .crm = 0, .opc1 = 0, .opc2 = 2, + { .name = "CPACR", .state = ARM_CP_STATE_BOTH, .opc0 = 3, + .crn = 1, .crm = 0, .opc1 = 0, .opc2 = 2, .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.c1_coproc), .resetvalue = 0, .writefn = cpacr_write }, REGINFO_SENTINEL @@ -533,6 +536,12 @@ static void pmintenclr_write(CPUARMState *env, const ARMCPRegInfo *ri, static void vbar_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) { + /* Note that even though the AArch64 view of this register has bits + * [10:0] all RES0 we can only mask the bottom 5, to comply with the + * architectural requirements for bits which are RES0 only in some + * contexts. (ARMv8 would permit us to do no masking at all, but ARMv7 + * requires the bottom five bits to be RAZ/WI because they're UNK/SBZP.) + */ env->cp15.c12_vbar = value & ~0x1Ful; } @@ -622,16 +631,19 @@ static const ARMCPRegInfo v7_cp_reginfo[] = { .access = PL1_RW, .type = ARM_CP_NO_MIGRATE, .fieldoffset = offsetof(CPUARMState, cp15.c9_pminten), .resetvalue = 0, .writefn = pmintenclr_write, }, - { .name = "VBAR", .cp = 15, .crn = 12, .crm = 0, .opc1 = 0, .opc2 = 0, + { .name = "VBAR", .state = ARM_CP_STATE_BOTH, + .opc0 = 3, .crn = 12, .crm = 0, .opc1 = 0, .opc2 = 0, .access = PL1_RW, .writefn = vbar_write, .fieldoffset = offsetof(CPUARMState, cp15.c12_vbar), .resetvalue = 0 }, { .name = "SCR", .cp = 15, .crn = 1, .crm = 1, .opc1 = 0, .opc2 = 0, .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.c1_scr), .resetvalue = 0, }, - { .name = "CCSIDR", .cp = 15, .crn = 0, .crm = 0, .opc1 = 1, .opc2 = 0, + { .name = "CCSIDR", .state = ARM_CP_STATE_BOTH, + .opc0 = 3, .crn = 0, .crm = 0, .opc1 = 1, .opc2 = 0, .access = PL1_R, .readfn = ccsidr_read, .type = ARM_CP_NO_MIGRATE }, - { .name = "CSSELR", .cp = 15, .crn = 0, .crm = 0, .opc1 = 2, .opc2 = 0, + { .name = "CSSELR", .state = ARM_CP_STATE_BOTH, + .opc0 = 3, .crn = 0, .crm = 0, .opc1 = 2, .opc2 = 0, .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.c0_cssel), .writefn = csselr_write, .resetvalue = 0 }, /* Auxiliary ID register: this actually has an IMPDEF value but for now @@ -639,6 +651,26 @@ static const ARMCPRegInfo v7_cp_reginfo[] = { */ { .name = "AIDR", .cp = 15, .crn = 0, .crm = 0, .opc1 = 1, .opc2 = 7, .access = PL1_R, .type = ARM_CP_CONST, .resetvalue = 0 }, + /* MAIR can just read-as-written because we don't implement caches + * and so don't need to care about memory attributes. + */ + { .name = "MAIR_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 10, .crm = 2, .opc2 = 0, + .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.mair_el1), + .resetvalue = 0 }, + /* For non-long-descriptor page tables these are PRRR and NMRR; + * regardless they still act as reads-as-written for QEMU. + * The override is necessary because of the overly-broad TLB_LOCKDOWN + * definition. + */ + { .name = "MAIR0", .state = ARM_CP_STATE_AA32, .type = ARM_CP_OVERRIDE, + .cp = 15, .opc1 = 0, .crn = 10, .crm = 2, .opc2 = 0, .access = PL1_RW, + .fieldoffset = offsetoflow32(CPUARMState, cp15.mair_el1), + .resetfn = arm_cp_reset_ignore }, + { .name = "MAIR1", .state = ARM_CP_STATE_AA32, .type = ARM_CP_OVERRIDE, + .cp = 15, .opc1 = 0, .crn = 10, .crm = 2, .opc2 = 1, .access = PL1_RW, + .fieldoffset = offsetofhigh32(CPUARMState, cp15.mair_el1), + .resetfn = arm_cp_reset_ignore }, REGINFO_SENTINEL }; @@ -872,30 +904,55 @@ static const ARMCPRegInfo generic_timer_cp_reginfo[] = { * Our reset value matches the fixed frequency we implement the timer at. */ { .name = "CNTFRQ", .cp = 15, .crn = 14, .crm = 0, .opc1 = 0, .opc2 = 0, - .access = PL1_RW | PL0_R, + .type = ARM_CP_NO_MIGRATE, + .access = PL1_RW | PL0_R, .accessfn = gt_cntfrq_access, + .fieldoffset = offsetoflow32(CPUARMState, cp15.c14_cntfrq), + .resetfn = arm_cp_reset_ignore, + }, + { .name = "CNTFRQ_EL0", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 3, .crn = 14, .crm = 0, .opc2 = 0, + .access = PL1_RW | PL0_R, .accessfn = gt_cntfrq_access, .fieldoffset = offsetof(CPUARMState, cp15.c14_cntfrq), .resetvalue = (1000 * 1000 * 1000) / GTIMER_SCALE, - .accessfn = gt_cntfrq_access, }, /* overall control: mostly access permissions */ - { .name = "CNTKCTL", .cp = 15, .crn = 14, .crm = 1, .opc1 = 0, .opc2 = 0, + { .name = "CNTKCTL", .state = ARM_CP_STATE_BOTH, + .opc0 = 3, .opc1 = 0, .crn = 14, .crm = 1, .opc2 = 0, .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.c14_cntkctl), .resetvalue = 0, }, /* per-timer control */ { .name = "CNTP_CTL", .cp = 15, .crn = 14, .crm = 2, .opc1 = 0, .opc2 = 1, + .type = ARM_CP_IO | ARM_CP_NO_MIGRATE, .access = PL1_RW | PL0_R, + .accessfn = gt_ptimer_access, + .fieldoffset = offsetoflow32(CPUARMState, + cp15.c14_timer[GTIMER_PHYS].ctl), + .resetfn = arm_cp_reset_ignore, + .writefn = gt_ctl_write, .raw_writefn = raw_write, + }, + { .name = "CNTP_CTL_EL0", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 3, .crn = 14, .crm = 2, .opc2 = 1, .type = ARM_CP_IO, .access = PL1_RW | PL0_R, + .accessfn = gt_ptimer_access, .fieldoffset = offsetof(CPUARMState, cp15.c14_timer[GTIMER_PHYS].ctl), .resetvalue = 0, - .accessfn = gt_ptimer_access, .writefn = gt_ctl_write, .raw_writefn = raw_write, }, { .name = "CNTV_CTL", .cp = 15, .crn = 14, .crm = 3, .opc1 = 0, .opc2 = 1, + .type = ARM_CP_IO | ARM_CP_NO_MIGRATE, .access = PL1_RW | PL0_R, + .accessfn = gt_vtimer_access, + .fieldoffset = offsetoflow32(CPUARMState, + cp15.c14_timer[GTIMER_VIRT].ctl), + .resetfn = arm_cp_reset_ignore, + .writefn = gt_ctl_write, .raw_writefn = raw_write, + }, + { .name = "CNTV_CTL_EL0", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 3, .crn = 14, .crm = 3, .opc2 = 1, .type = ARM_CP_IO, .access = PL1_RW | PL0_R, + .accessfn = gt_vtimer_access, .fieldoffset = offsetof(CPUARMState, cp15.c14_timer[GTIMER_VIRT].ctl), .resetvalue = 0, - .accessfn = gt_vtimer_access, .writefn = gt_ctl_write, .raw_writefn = raw_write, }, /* TimerValue views: a 32 bit downcounting view of the underlying state */ @@ -904,37 +961,73 @@ static const ARMCPRegInfo generic_timer_cp_reginfo[] = { .accessfn = gt_ptimer_access, .readfn = gt_tval_read, .writefn = gt_tval_write, }, + { .name = "CNTP_TVAL_EL0", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 3, .crn = 14, .crm = 2, .opc2 = 0, + .type = ARM_CP_NO_MIGRATE | ARM_CP_IO, .access = PL1_RW | PL0_R, + .readfn = gt_tval_read, .writefn = gt_tval_write, + }, { .name = "CNTV_TVAL", .cp = 15, .crn = 14, .crm = 3, .opc1 = 0, .opc2 = 0, .type = ARM_CP_NO_MIGRATE | ARM_CP_IO, .access = PL1_RW | PL0_R, .accessfn = gt_vtimer_access, .readfn = gt_tval_read, .writefn = gt_tval_write, }, + { .name = "CNTV_TVAL_EL0", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 3, .crn = 14, .crm = 3, .opc2 = 0, + .type = ARM_CP_NO_MIGRATE | ARM_CP_IO, .access = PL1_RW | PL0_R, + .readfn = gt_tval_read, .writefn = gt_tval_write, + }, /* The counter itself */ { .name = "CNTPCT", .cp = 15, .crm = 14, .opc1 = 0, .access = PL0_R, .type = ARM_CP_64BIT | ARM_CP_NO_MIGRATE | ARM_CP_IO, .accessfn = gt_pct_access, + .readfn = gt_cnt_read, .resetfn = arm_cp_reset_ignore, + }, + { .name = "CNTPCT_EL0", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 3, .crn = 14, .crm = 0, .opc2 = 1, + .access = PL0_R, .type = ARM_CP_NO_MIGRATE | ARM_CP_IO, + .accessfn = gt_pct_access, .readfn = gt_cnt_read, .resetfn = gt_cnt_reset, }, { .name = "CNTVCT", .cp = 15, .crm = 14, .opc1 = 1, .access = PL0_R, .type = ARM_CP_64BIT | ARM_CP_NO_MIGRATE | ARM_CP_IO, .accessfn = gt_vct_access, + .readfn = gt_cnt_read, .resetfn = arm_cp_reset_ignore, + }, + { .name = "CNTVCT_EL0", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 3, .crn = 14, .crm = 0, .opc2 = 2, + .access = PL0_R, .type = ARM_CP_NO_MIGRATE | ARM_CP_IO, + .accessfn = gt_vct_access, .readfn = gt_cnt_read, .resetfn = gt_cnt_reset, }, /* Comparison value, indicating when the timer goes off */ { .name = "CNTP_CVAL", .cp = 15, .crm = 14, .opc1 = 2, .access = PL1_RW | PL0_R, - .type = ARM_CP_64BIT | ARM_CP_IO, + .type = ARM_CP_64BIT | ARM_CP_IO | ARM_CP_NO_MIGRATE, .fieldoffset = offsetof(CPUARMState, cp15.c14_timer[GTIMER_PHYS].cval), - .resetvalue = 0, - .accessfn = gt_ptimer_access, + .accessfn = gt_ptimer_access, .resetfn = arm_cp_reset_ignore, + .writefn = gt_cval_write, .raw_writefn = raw_write, + }, + { .name = "CNTP_CVAL_EL0", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 3, .crn = 14, .crm = 2, .opc2 = 2, + .access = PL1_RW | PL0_R, + .type = ARM_CP_IO, + .fieldoffset = offsetof(CPUARMState, cp15.c14_timer[GTIMER_PHYS].cval), + .resetvalue = 0, .accessfn = gt_vtimer_access, .writefn = gt_cval_write, .raw_writefn = raw_write, }, { .name = "CNTV_CVAL", .cp = 15, .crm = 14, .opc1 = 3, .access = PL1_RW | PL0_R, - .type = ARM_CP_64BIT | ARM_CP_IO, + .type = ARM_CP_64BIT | ARM_CP_IO | ARM_CP_NO_MIGRATE, .fieldoffset = offsetof(CPUARMState, cp15.c14_timer[GTIMER_VIRT].cval), - .resetvalue = 0, - .accessfn = gt_vtimer_access, + .accessfn = gt_vtimer_access, .resetfn = arm_cp_reset_ignore, + .writefn = gt_cval_write, .raw_writefn = raw_write, + }, + { .name = "CNTV_CVAL_EL0", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 3, .crn = 14, .crm = 3, .opc2 = 2, + .access = PL1_RW | PL0_R, + .type = ARM_CP_IO, + .fieldoffset = offsetof(CPUARMState, cp15.c14_timer[GTIMER_VIRT].cval), + .resetvalue = 0, .accessfn = gt_vtimer_access, .writefn = gt_cval_write, .raw_writefn = raw_write, }, REGINFO_SENTINEL @@ -1031,8 +1124,8 @@ static void ats_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) env->cp15.c7_par = phys_addr & 0xfffff000; } } else { - env->cp15.c7_par = ((ret & (10 << 1)) >> 5) | - ((ret & (12 << 1)) >> 6) | + env->cp15.c7_par = ((ret & (1 << 10)) >> 5) | + ((ret & (1 << 12)) >> 6) | ((ret & 0xf) << 1) | 1; } env->cp15.c7_par_hi = 0; @@ -1193,6 +1286,26 @@ static void vmsa_ttbcr_reset(CPUARMState *env, const ARMCPRegInfo *ri) env->cp15.c2_mask = 0; } +static void vmsa_tcr_el1_write(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t value) +{ + /* For AArch64 the A1 bit could result in a change of ASID, so TLB flush. */ + tlb_flush(env, 1); + env->cp15.c2_control = value; +} + +static void vmsa_ttbr_write(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t value) +{ + /* 64 bit accesses to the TTBRs can change the ASID and so we + * must flush the TLB. + */ + if (cpreg_field_is_64bit(ri)) { + tlb_flush(env, 1); + } + raw_write(env, ri, value); +} + static const ARMCPRegInfo vmsa_cp_reginfo[] = { { .name = "DFSR", .cp = 15, .crn = 5, .crm = 0, .opc1 = 0, .opc2 = 0, .access = PL1_RW, @@ -1200,16 +1313,23 @@ static const ARMCPRegInfo vmsa_cp_reginfo[] = { { .name = "IFSR", .cp = 15, .crn = 5, .crm = 0, .opc1 = 0, .opc2 = 1, .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.c5_insn), .resetvalue = 0, }, - { .name = "TTBR0", .cp = 15, .crn = 2, .crm = 0, .opc1 = 0, .opc2 = 0, - .access = PL1_RW, - .fieldoffset = offsetof(CPUARMState, cp15.c2_base0), .resetvalue = 0, }, - { .name = "TTBR1", .cp = 15, .crn = 2, .crm = 0, .opc1 = 0, .opc2 = 1, - .access = PL1_RW, - .fieldoffset = offsetof(CPUARMState, cp15.c2_base1), .resetvalue = 0, }, - { .name = "TTBCR", .cp = 15, .crn = 2, .crm = 0, .opc1 = 0, .opc2 = 2, - .access = PL1_RW, .writefn = vmsa_ttbcr_write, - .resetfn = vmsa_ttbcr_reset, .raw_writefn = vmsa_ttbcr_raw_write, + { .name = "TTBR0_EL1", .state = ARM_CP_STATE_BOTH, + .opc0 = 3, .crn = 2, .crm = 0, .opc1 = 0, .opc2 = 0, + .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.ttbr0_el1), + .writefn = vmsa_ttbr_write, .resetvalue = 0 }, + { .name = "TTBR1_EL1", .state = ARM_CP_STATE_BOTH, + .opc0 = 3, .crn = 2, .crm = 0, .opc1 = 0, .opc2 = 1, + .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.ttbr1_el1), + .writefn = vmsa_ttbr_write, .resetvalue = 0 }, + { .name = "TCR_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .crn = 2, .crm = 0, .opc1 = 0, .opc2 = 2, + .access = PL1_RW, .writefn = vmsa_tcr_el1_write, + .resetfn = vmsa_ttbcr_reset, .raw_writefn = raw_write, .fieldoffset = offsetof(CPUARMState, cp15.c2_control) }, + { .name = "TTBCR", .cp = 15, .crn = 2, .crm = 0, .opc1 = 0, .opc2 = 2, + .access = PL1_RW, .type = ARM_CP_NO_MIGRATE, .writefn = vmsa_ttbcr_write, + .resetfn = arm_cp_reset_ignore, .raw_writefn = vmsa_ttbcr_raw_write, + .fieldoffset = offsetoflow32(CPUARMState, cp15.c2_control) }, { .name = "DFAR", .cp = 15, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 0, .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.c6_data), .resetvalue = 0, }, @@ -1379,7 +1499,8 @@ static uint64_t mpidr_read(CPUARMState *env, const ARMCPRegInfo *ri) { CPUState *cs = CPU(arm_env_get_cpu(env)); uint32_t mpidr = cs->cpu_index; - /* We don't support setting cluster ID ([8..11]) + /* We don't support setting cluster ID ([8..11]) (known as Aff1 + * in later ARM ARM versions), or any of the higher affinity level fields, * so these bits always RAZ. */ if (arm_feature(env, ARM_FEATURE_V7MP)) { @@ -1394,7 +1515,8 @@ static uint64_t mpidr_read(CPUARMState *env, const ARMCPRegInfo *ri) } static const ARMCPRegInfo mpidr_cp_reginfo[] = { - { .name = "MPIDR", .cp = 15, .crn = 0, .crm = 0, .opc1 = 0, .opc2 = 5, + { .name = "MPIDR", .state = ARM_CP_STATE_BOTH, + .opc0 = 3, .crn = 0, .crm = 0, .opc1 = 0, .opc2 = 5, .access = PL1_R, .readfn = mpidr_read, .type = ARM_CP_NO_MIGRATE }, REGINFO_SENTINEL }; @@ -1417,57 +1539,15 @@ static void par64_reset(CPUARMState *env, const ARMCPRegInfo *ri) env->cp15.c7_par = 0; } -static uint64_t ttbr064_read(CPUARMState *env, const ARMCPRegInfo *ri) -{ - return ((uint64_t)env->cp15.c2_base0_hi << 32) | env->cp15.c2_base0; -} - -static void ttbr064_raw_write(CPUARMState *env, const ARMCPRegInfo *ri, - uint64_t value) -{ - env->cp15.c2_base0_hi = value >> 32; - env->cp15.c2_base0 = value; -} - -static void ttbr064_write(CPUARMState *env, const ARMCPRegInfo *ri, - uint64_t value) -{ - /* Writes to the 64 bit format TTBRs may change the ASID */ - tlb_flush(env, 1); - ttbr064_raw_write(env, ri, value); -} - -static void ttbr064_reset(CPUARMState *env, const ARMCPRegInfo *ri) -{ - env->cp15.c2_base0_hi = 0; - env->cp15.c2_base0 = 0; -} - -static uint64_t ttbr164_read(CPUARMState *env, const ARMCPRegInfo *ri) -{ - return ((uint64_t)env->cp15.c2_base1_hi << 32) | env->cp15.c2_base1; -} - -static void ttbr164_write(CPUARMState *env, const ARMCPRegInfo *ri, - uint64_t value) -{ - env->cp15.c2_base1_hi = value >> 32; - env->cp15.c2_base1 = value; -} - -static void ttbr164_reset(CPUARMState *env, const ARMCPRegInfo *ri) -{ - env->cp15.c2_base1_hi = 0; - env->cp15.c2_base1 = 0; -} - static const ARMCPRegInfo lpae_cp_reginfo[] = { /* NOP AMAIR0/1: the override is because these clash with the rather * broadly specified TLB_LOCKDOWN entry in the generic cp_reginfo. */ - { .name = "AMAIR0", .cp = 15, .crn = 10, .crm = 3, .opc1 = 0, .opc2 = 0, + { .name = "AMAIR0", .state = ARM_CP_STATE_BOTH, + .opc0 = 3, .crn = 10, .crm = 3, .opc1 = 0, .opc2 = 0, .access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_OVERRIDE, .resetvalue = 0 }, + /* AMAIR1 is mapped to AMAIR_EL1[63:32] */ { .name = "AMAIR1", .cp = 15, .crn = 10, .crm = 3, .opc1 = 0, .opc2 = 1, .access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_OVERRIDE, .resetvalue = 0 }, @@ -1480,12 +1560,13 @@ static const ARMCPRegInfo lpae_cp_reginfo[] = { .access = PL1_RW, .type = ARM_CP_64BIT, .readfn = par64_read, .writefn = par64_write, .resetfn = par64_reset }, { .name = "TTBR0", .cp = 15, .crm = 2, .opc1 = 0, - .access = PL1_RW, .type = ARM_CP_64BIT, .readfn = ttbr064_read, - .writefn = ttbr064_write, .raw_writefn = ttbr064_raw_write, - .resetfn = ttbr064_reset }, + .access = PL1_RW, .type = ARM_CP_64BIT | ARM_CP_NO_MIGRATE, + .fieldoffset = offsetof(CPUARMState, cp15.ttbr0_el1), + .writefn = vmsa_ttbr_write, .resetfn = arm_cp_reset_ignore }, { .name = "TTBR1", .cp = 15, .crm = 2, .opc1 = 1, - .access = PL1_RW, .type = ARM_CP_64BIT, .readfn = ttbr164_read, - .writefn = ttbr164_write, .resetfn = ttbr164_reset }, + .access = PL1_RW, .type = ARM_CP_64BIT | ARM_CP_NO_MIGRATE, + .fieldoffset = offsetof(CPUARMState, cp15.ttbr1_el1), + .writefn = vmsa_ttbr_write, .resetfn = arm_cp_reset_ignore }, REGINFO_SENTINEL }; @@ -1511,6 +1592,42 @@ static void aa64_fpsr_write(CPUARMState *env, const ARMCPRegInfo *ri, vfp_set_fpsr(env, value); } +static CPAccessResult aa64_cacheop_access(CPUARMState *env, + const ARMCPRegInfo *ri) +{ + /* Cache invalidate/clean: NOP, but EL0 must UNDEF unless + * SCTLR_EL1.UCI is set. + */ + if (arm_current_pl(env) == 0 && !(env->cp15.c1_sys & SCTLR_UCI)) { + return CP_ACCESS_TRAP; + } + return CP_ACCESS_OK; +} + +static void tlbi_aa64_va_write(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t value) +{ + /* Invalidate by VA (AArch64 version) */ + uint64_t pageaddr = value << 12; + tlb_flush_page(env, pageaddr); +} + +static void tlbi_aa64_vaa_write(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t value) +{ + /* Invalidate by VA, all ASIDs (AArch64 version) */ + uint64_t pageaddr = value << 12; + tlb_flush_page(env, pageaddr); +} + +static void tlbi_aa64_asid_write(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t value) +{ + /* Invalidate by ASID (AArch64 version) */ + int asid = extract64(value, 48, 16); + tlb_flush(env, asid == 0); +} + static const ARMCPRegInfo v8_cp_reginfo[] = { /* Minimal set of EL0-visible registers. This will need to be expanded * significantly for system emulation of AArch64 CPUs. @@ -1524,13 +1641,6 @@ static const ARMCPRegInfo v8_cp_reginfo[] = { { .name = "FPSR", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 3, .opc2 = 1, .crn = 4, .crm = 4, .access = PL0_RW, .readfn = aa64_fpsr_read, .writefn = aa64_fpsr_write }, - /* This claims a 32 byte cacheline size for icache and dcache, VIPT icache. - * It will eventually need to have a CPU-specified reset value. - */ - { .name = "CTR_EL0", .state = ARM_CP_STATE_AA64, - .opc0 = 3, .opc1 = 3, .opc2 = 1, .crn = 0, .crm = 0, - .access = PL0_R, .type = ARM_CP_CONST, - .resetvalue = 0x80030003 }, /* Prohibit use of DC ZVA. OPTME: implement DC ZVA and allow its use. * For system mode the DZP bit here will need to be computed, not constant. */ @@ -1538,6 +1648,103 @@ static const ARMCPRegInfo v8_cp_reginfo[] = { .opc0 = 3, .opc1 = 3, .opc2 = 7, .crn = 0, .crm = 0, .access = PL0_R, .type = ARM_CP_CONST, .resetvalue = 0x10 }, + { .name = "CURRENTEL", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .opc2 = 2, .crn = 4, .crm = 2, + .access = PL1_R, .type = ARM_CP_CURRENTEL }, + /* Cache ops: all NOPs since we don't emulate caches */ + { .name = "IC_IALLUIS", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc1 = 0, .crn = 7, .crm = 1, .opc2 = 0, + .access = PL1_W, .type = ARM_CP_NOP }, + { .name = "IC_IALLU", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc1 = 0, .crn = 7, .crm = 5, .opc2 = 0, + .access = PL1_W, .type = ARM_CP_NOP }, + { .name = "IC_IVAU", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc1 = 3, .crn = 7, .crm = 5, .opc2 = 1, + .access = PL0_W, .type = ARM_CP_NOP, + .accessfn = aa64_cacheop_access }, + { .name = "DC_IVAC", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc1 = 0, .crn = 7, .crm = 6, .opc2 = 1, + .access = PL1_W, .type = ARM_CP_NOP }, + { .name = "DC_ISW", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc1 = 0, .crn = 7, .crm = 6, .opc2 = 2, + .access = PL1_W, .type = ARM_CP_NOP }, + { .name = "DC_CVAC", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc1 = 3, .crn = 7, .crm = 10, .opc2 = 1, + .access = PL0_W, .type = ARM_CP_NOP, + .accessfn = aa64_cacheop_access }, + { .name = "DC_CSW", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc1 = 0, .crn = 7, .crm = 10, .opc2 = 2, + .access = PL1_W, .type = ARM_CP_NOP }, + { .name = "DC_CVAU", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc1 = 3, .crn = 7, .crm = 11, .opc2 = 1, + .access = PL0_W, .type = ARM_CP_NOP, + .accessfn = aa64_cacheop_access }, + { .name = "DC_CIVAC", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc1 = 3, .crn = 7, .crm = 14, .opc2 = 1, + .access = PL0_W, .type = ARM_CP_NOP, + .accessfn = aa64_cacheop_access }, + { .name = "DC_CISW", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc1 = 0, .crn = 7, .crm = 14, .opc2 = 2, + .access = PL1_W, .type = ARM_CP_NOP }, + /* TLBI operations */ + { .name = "TLBI_VMALLE1IS", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 3, .opc2 = 0, + .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .writefn = tlbiall_write }, + { .name = "TLBI_VAE1IS", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 3, .opc2 = 1, + .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .writefn = tlbi_aa64_va_write }, + { .name = "TLBI_ASIDE1IS", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 3, .opc2 = 2, + .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .writefn = tlbi_aa64_asid_write }, + { .name = "TLBI_VAAE1IS", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 3, .opc2 = 3, + .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .writefn = tlbi_aa64_vaa_write }, + { .name = "TLBI_VALE1IS", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 3, .opc2 = 5, + .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .writefn = tlbi_aa64_va_write }, + { .name = "TLBI_VAALE1IS", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 3, .opc2 = 7, + .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .writefn = tlbi_aa64_vaa_write }, + { .name = "TLBI_VMALLE1", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 7, .opc2 = 0, + .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .writefn = tlbiall_write }, + { .name = "TLBI_VAE1", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 7, .opc2 = 1, + .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .writefn = tlbi_aa64_va_write }, + { .name = "TLBI_ASIDE1", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 7, .opc2 = 2, + .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .writefn = tlbi_aa64_asid_write }, + { .name = "TLBI_VAAE1", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 7, .opc2 = 3, + .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .writefn = tlbi_aa64_vaa_write }, + { .name = "TLBI_VALE1", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 7, .opc2 = 5, + .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .writefn = tlbi_aa64_va_write }, + { .name = "TLBI_VAALE1", .state = ARM_CP_STATE_AA64, + .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 7, .opc2 = 7, + .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .writefn = tlbi_aa64_vaa_write }, + /* Dummy implementation of monitor debug system control register: + * we don't support debug. + */ + { .name = "MDSCR_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 2, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 2, + .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, + /* We define a dummy WI OSLAR_EL1, because Linux writes to it. */ + { .name = "OSLAR_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 2, .opc1 = 0, .crn = 1, .crm = 0, .opc2 = 4, + .access = PL1_W, .type = ARM_CP_NOP }, REGINFO_SENTINEL }; @@ -1550,6 +1757,48 @@ static void sctlr_write(CPUARMState *env, const ARMCPRegInfo *ri, tlb_flush(env, 1); } +static CPAccessResult ctr_el0_access(CPUARMState *env, const ARMCPRegInfo *ri) +{ + /* Only accessible in EL0 if SCTLR.UCT is set (and only in AArch64, + * but the AArch32 CTR has its own reginfo struct) + */ + if (arm_current_pl(env) == 0 && !(env->cp15.c1_sys & SCTLR_UCT)) { + return CP_ACCESS_TRAP; + } + return CP_ACCESS_OK; +} + +static void define_aarch64_debug_regs(ARMCPU *cpu) +{ + /* Define breakpoint and watchpoint registers. These do nothing + * but read as written, for now. + */ + int i; + + for (i = 0; i < 16; i++) { + ARMCPRegInfo dbgregs[] = { + { .name = "DBGBVR", .state = ARM_CP_STATE_AA64, + .opc0 = 2, .opc1 = 0, .crn = 0, .crm = i, .opc2 = 4, + .access = PL1_RW, + .fieldoffset = offsetof(CPUARMState, cp15.dbgbvr[i]) }, + { .name = "DBGBCR", .state = ARM_CP_STATE_AA64, + .opc0 = 2, .opc1 = 0, .crn = 0, .crm = i, .opc2 = 5, + .access = PL1_RW, + .fieldoffset = offsetof(CPUARMState, cp15.dbgbcr[i]) }, + { .name = "DBGWVR", .state = ARM_CP_STATE_AA64, + .opc0 = 2, .opc1 = 0, .crn = 0, .crm = i, .opc2 = 6, + .access = PL1_RW, + .fieldoffset = offsetof(CPUARMState, cp15.dbgwvr[i]) }, + { .name = "DBGWCR", .state = ARM_CP_STATE_AA64, + .opc0 = 2, .opc1 = 0, .crn = 0, .crm = i, .opc2 = 7, + .access = PL1_RW, + .fieldoffset = offsetof(CPUARMState, cp15.dbgwcr[i]) }, + REGINFO_SENTINEL + }; + define_arm_cp_regs(cpu, dbgregs); + } +} + void register_cp_regs_for_features(ARMCPU *cpu) { /* Register all the coprocessor registers based on feature bits */ @@ -1634,7 +1883,8 @@ void register_cp_regs_for_features(ARMCPU *cpu) .raw_writefn = raw_write, }; ARMCPRegInfo clidr = { - .name = "CLIDR", .cp = 15, .crn = 0, .crm = 0, .opc1 = 1, .opc2 = 1, + .name = "CLIDR", .state = ARM_CP_STATE_BOTH, + .opc0 = 3, .crn = 0, .crm = 0, .opc1 = 1, .opc2 = 1, .access = PL1_R, .type = ARM_CP_CONST, .resetvalue = cpu->clidr }; define_one_arm_cp_reg(cpu, &pmcr); @@ -1644,7 +1894,53 @@ void register_cp_regs_for_features(ARMCPU *cpu) define_arm_cp_regs(cpu, not_v7_cp_reginfo); } if (arm_feature(env, ARM_FEATURE_V8)) { + /* AArch64 ID registers, which all have impdef reset values */ + ARMCPRegInfo v8_idregs[] = { + { .name = "ID_AA64PFR0_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 4, .opc2 = 0, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64pfr0 }, + { .name = "ID_AA64PFR1_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 4, .opc2 = 1, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64pfr1}, + { .name = "ID_AA64DFR0_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 5, .opc2 = 0, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64dfr0 }, + { .name = "ID_AA64DFR1_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 5, .opc2 = 1, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64dfr1 }, + { .name = "ID_AA64AFR0_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 5, .opc2 = 4, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64afr0 }, + { .name = "ID_AA64AFR1_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 5, .opc2 = 5, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64afr1 }, + { .name = "ID_AA64ISAR0_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 6, .opc2 = 0, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64isar0 }, + { .name = "ID_AA64ISAR1_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 6, .opc2 = 1, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64isar1 }, + { .name = "ID_AA64MMFR0_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 7, .opc2 = 0, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64mmfr0 }, + { .name = "ID_AA64MMFR1_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 7, .opc2 = 1, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64mmfr1 }, + REGINFO_SENTINEL + }; + define_arm_cp_regs(cpu, v8_idregs); define_arm_cp_regs(cpu, v8_cp_reginfo); + define_aarch64_debug_regs(cpu); } if (arm_feature(env, ARM_FEATURE_MPU)) { /* These are the MPU registers prior to PMSAv6. Any new @@ -1710,9 +2006,16 @@ void register_cp_regs_for_features(ARMCPU *cpu) .writefn = arm_cp_write_ignore, .raw_writefn = raw_write, .fieldoffset = offsetof(CPUARMState, cp15.c0_cpuid), .type = ARM_CP_OVERRIDE }, + { .name = "MIDR_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .opc2 = 0, .crn = 0, .crm = 0, + .access = PL1_R, .resetvalue = cpu->midr, .type = ARM_CP_CONST }, { .name = "CTR", .cp = 15, .crn = 0, .crm = 0, .opc1 = 0, .opc2 = 1, .access = PL1_R, .type = ARM_CP_CONST, .resetvalue = cpu->ctr }, + { .name = "CTR_EL0", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 3, .opc2 = 1, .crn = 0, .crm = 0, + .access = PL0_R, .accessfn = ctr_el0_access, + .type = ARM_CP_CONST, .resetvalue = cpu->ctr }, { .name = "TCMTR", .cp = 15, .crn = 0, .crm = 0, .opc1 = 0, .opc2 = 2, .access = PL1_R, .type = ARM_CP_CONST, .resetvalue = 0 }, @@ -1783,7 +2086,8 @@ void register_cp_regs_for_features(ARMCPU *cpu) /* Generic registers whose values depend on the implementation */ { ARMCPRegInfo sctlr = { - .name = "SCTLR", .cp = 15, .crn = 1, .crm = 0, .opc1 = 0, .opc2 = 0, + .name = "SCTLR", .state = ARM_CP_STATE_BOTH, + .opc0 = 3, .crn = 1, .crm = 0, .opc1 = 0, .opc2 = 0, .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.c1_sys), .writefn = sctlr_write, .resetvalue = cpu->reset_sctlr, .raw_writefn = raw_write, @@ -1962,6 +2266,10 @@ static void add_cpreg_to_hashtable(ARMCPU *cpu, const ARMCPRegInfo *r, if (opaque) { r2->opaque = opaque; } + /* reginfo passed to helpers is correct for the actual access, + * and is never ARM_CP_STATE_BOTH: + */ + r2->state = state; /* Make sure reginfo passed to helpers for wildcarded regs * has the correct crm/opc1/opc2 for this reg, not CP_ANY: */ @@ -2170,7 +2478,7 @@ uint32_t cpsr_read(CPUARMState *env) (env->CF << 29) | ((env->VF & 0x80000000) >> 3) | (env->QF << 27) | (env->thumb << 5) | ((env->condexec_bits & 3) << 25) | ((env->condexec_bits & 0xfc) << 8) - | (env->GE << 16); + | (env->GE << 16) | env->daif; } void cpsr_write(CPUARMState *env, uint32_t val, uint32_t mask) @@ -2197,6 +2505,9 @@ void cpsr_write(CPUARMState *env, uint32_t val, uint32_t mask) env->GE = (val >> 16) & 0xf; } + env->daif &= ~(CPSR_AIF & mask); + env->daif |= val & CPSR_AIF & mask; + if ((env->uncached_cpsr ^ val) & mask & CPSR_M) { if (bad_mode_switch(env, val & CPSR_M)) { /* Attempt to switch to an invalid mode: this is UNPREDICTABLE. @@ -2658,7 +2969,7 @@ void arm_cpu_do_interrupt(CPUState *cs) env->condexec_bits = 0; /* Switch to the new mode, and to the correct instruction set. */ env->uncached_cpsr = (env->uncached_cpsr & ~CPSR_M) | new_mode; - env->uncached_cpsr |= mask; + env->daif |= mask; /* this is a lie, as the was no c1_sys on V4T/V5, but who cares * and we should just guard the thumb mode on V4 */ if (arm_feature(env, ARM_FEATURE_V4T)) { @@ -2730,9 +3041,9 @@ static uint32_t get_level1_table_address(CPUARMState *env, uint32_t address) uint32_t table; if (address & env->cp15.c2_mask) - table = env->cp15.c2_base1 & 0xffffc000; + table = env->cp15.ttbr1_el1 & 0xffffc000; else - table = env->cp15.c2_base0 & env->cp15.c2_base_mask; + table = env->cp15.ttbr0_el1 & env->cp15.c2_base_mask; table |= (address >> 18) & 0x3ffc; return table; @@ -2798,7 +3109,7 @@ static int get_phys_addr_v5(CPUARMState *env, uint32_t address, int access_type, break; case 2: /* 4k page. */ phys_addr = (desc & 0xfffff000) | (address & 0xfff); - ap = (desc >> (4 + ((address >> 13) & 6))) & 3; + ap = (desc >> (4 + ((address >> 9) & 6))) & 3; *page_size = 0x1000; break; case 3: /* 1k page. */ @@ -3008,11 +3319,11 @@ static int get_phys_addr_lpae(CPUARMState *env, uint32_t address, * we will always flush the TLB any time the ASID is changed). */ if (ttbr_select == 0) { - ttbr = ((uint64_t)env->cp15.c2_base0_hi << 32) | env->cp15.c2_base0; + ttbr = env->cp15.ttbr0_el1; epd = extract32(env->cp15.c2_control, 7, 1); tsz = t0sz; } else { - ttbr = ((uint64_t)env->cp15.c2_base1_hi << 32) | env->cp15.c2_base1; + ttbr = env->cp15.ttbr1_el1; epd = extract32(env->cp15.c2_control, 23, 1); tsz = t1sz; } @@ -3331,12 +3642,12 @@ uint32_t HELPER(v7m_mrs)(CPUARMState *env, uint32_t reg) case 9: /* PSP */ return env->v7m.current_sp ? env->regs[13] : env->v7m.other_sp; case 16: /* PRIMASK */ - return (env->uncached_cpsr & CPSR_I) != 0; + return (env->daif & PSTATE_I) != 0; case 17: /* BASEPRI */ case 18: /* BASEPRI_MAX */ return env->v7m.basepri; case 19: /* FAULTMASK */ - return (env->uncached_cpsr & CPSR_F) != 0; + return (env->daif & PSTATE_F) != 0; case 20: /* CONTROL */ return env->v7m.control; default: @@ -3383,10 +3694,11 @@ void HELPER(v7m_msr)(CPUARMState *env, uint32_t reg, uint32_t val) env->v7m.other_sp = val; break; case 16: /* PRIMASK */ - if (val & 1) - env->uncached_cpsr |= CPSR_I; - else - env->uncached_cpsr &= ~CPSR_I; + if (val & 1) { + env->daif |= PSTATE_I; + } else { + env->daif &= ~PSTATE_I; + } break; case 17: /* BASEPRI */ env->v7m.basepri = val & 0xff; @@ -3397,10 +3709,11 @@ void HELPER(v7m_msr)(CPUARMState *env, uint32_t reg, uint32_t val) env->v7m.basepri = val; break; case 19: /* FAULTMASK */ - if (val & 1) - env->uncached_cpsr |= CPSR_F; - else - env->uncached_cpsr &= ~CPSR_F; + if (val & 1) { + env->daif |= PSTATE_F; + } else { + env->daif &= ~PSTATE_F; + } break; case 20: /* CONTROL */ env->v7m.control = val & 3; @@ -4392,3 +4705,40 @@ int arm_rmode_to_sf(int rmode) } return rmode; } + +static void crc_init_buffer(uint8_t *buf, uint32_t val, uint32_t bytes) +{ + memset(buf, 0, 4); + + if (bytes == 1) { + buf[0] = val & 0xff; + } else if (bytes == 2) { + buf[0] = val & 0xff; + buf[1] = (val >> 8) & 0xff; + } else { + buf[0] = val & 0xff; + buf[1] = (val >> 8) & 0xff; + buf[2] = (val >> 16) & 0xff; + buf[3] = (val >> 24) & 0xff; + } +} + +uint32_t HELPER(crc32)(uint32_t acc, uint32_t val, uint32_t bytes) +{ + uint8_t buf[4]; + + crc_init_buffer(buf, val, bytes); + + /* zlib crc32 converts the accumulator and output to one's complement. */ + return crc32(acc ^ 0xffffffff, buf, bytes) ^ 0xffffffff; +} + +uint32_t HELPER(crc32c)(uint32_t acc, uint32_t val, uint32_t bytes) +{ + uint8_t buf[4]; + + crc_init_buffer(buf, val, bytes); + + /* Linux crc32c converts the output to one's complement. */ + return crc32c(acc, buf, bytes) ^ 0xffffffff; +} |