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-rw-r--r--target-arm/cpu.h36
-rw-r--r--target-arm/helper.c58
-rw-r--r--target-arm/op_helper.c2
3 files changed, 77 insertions, 19 deletions
diff --git a/target-arm/cpu.h b/target-arm/cpu.h
index fc6449750f..a1fefe4985 100644
--- a/target-arm/cpu.h
+++ b/target-arm/cpu.h
@@ -307,11 +307,37 @@ typedef struct CPUARMState {
uint64_t vbar_el[4];
};
uint32_t mvbar; /* (monitor) vector base address register */
- uint32_t c13_fcse; /* FCSE PID. */
- uint64_t contextidr_el1; /* Context ID. */
- uint64_t tpidr_el0; /* User RW Thread register. */
- uint64_t tpidrro_el0; /* User RO Thread register. */
- uint64_t tpidr_el1; /* Privileged Thread register. */
+ struct { /* FCSE PID. */
+ uint32_t fcseidr_ns;
+ uint32_t fcseidr_s;
+ };
+ union { /* Context ID. */
+ struct {
+ uint64_t _unused_contextidr_0;
+ uint64_t contextidr_ns;
+ uint64_t _unused_contextidr_1;
+ uint64_t contextidr_s;
+ };
+ uint64_t contextidr_el[4];
+ };
+ union { /* User RW Thread register. */
+ struct {
+ uint64_t tpidrurw_ns;
+ uint64_t tpidrprw_ns;
+ uint64_t htpidr;
+ uint64_t _tpidr_el3;
+ };
+ uint64_t tpidr_el[4];
+ };
+ /* The secure banks of these registers don't map anywhere */
+ uint64_t tpidrurw_s;
+ uint64_t tpidrprw_s;
+ uint64_t tpidruro_s;
+
+ union { /* User RO Thread register. */
+ uint64_t tpidruro_ns;
+ uint64_t tpidrro_el[1];
+ };
uint64_t c14_cntfrq; /* Counter Frequency register */
uint64_t c14_cntkctl; /* Timer Control register */
ARMGenericTimer c14_timer[NUM_GTIMERS];
diff --git a/target-arm/helper.c b/target-arm/helper.c
index bc73c4fbbf..0357f41e9a 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -424,13 +424,36 @@ static void tlbimvaa_is_write(CPUARMState *env, const ARMCPRegInfo *ri,
}
static const ARMCPRegInfo cp_reginfo[] = {
- { .name = "FCSEIDR", .cp = 15, .crn = 13, .crm = 0, .opc1 = 0, .opc2 = 0,
- .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.c13_fcse),
+ /* Define the secure and non-secure FCSE identifier CP registers
+ * separately because there is no secure bank in V8 (no _EL3). This allows
+ * the secure register to be properly reset and migrated. There is also no
+ * v8 EL1 version of the register so the non-secure instance stands alone.
+ */
+ { .name = "FCSEIDR(NS)",
+ .cp = 15, .opc1 = 0, .crn = 13, .crm = 0, .opc2 = 0,
+ .access = PL1_RW, .secure = ARM_CP_SECSTATE_NS,
+ .fieldoffset = offsetof(CPUARMState, cp15.fcseidr_ns),
+ .resetvalue = 0, .writefn = fcse_write, .raw_writefn = raw_write, },
+ { .name = "FCSEIDR(S)",
+ .cp = 15, .opc1 = 0, .crn = 13, .crm = 0, .opc2 = 0,
+ .access = PL1_RW, .secure = ARM_CP_SECSTATE_S,
+ .fieldoffset = offsetof(CPUARMState, cp15.fcseidr_s),
.resetvalue = 0, .writefn = fcse_write, .raw_writefn = raw_write, },
- { .name = "CONTEXTIDR", .state = ARM_CP_STATE_BOTH,
+ /* Define the secure and non-secure context identifier CP registers
+ * separately because there is no secure bank in V8 (no _EL3). This allows
+ * the secure register to be properly reset and migrated. In the
+ * non-secure case, the 32-bit register will have reset and migration
+ * disabled during registration as it is handled by the 64-bit instance.
+ */
+ { .name = "CONTEXTIDR_EL1", .state = ARM_CP_STATE_BOTH,
.opc0 = 3, .opc1 = 0, .crn = 13, .crm = 0, .opc2 = 1,
- .access = PL1_RW,
- .fieldoffset = offsetof(CPUARMState, cp15.contextidr_el1),
+ .access = PL1_RW, .secure = ARM_CP_SECSTATE_NS,
+ .fieldoffset = offsetof(CPUARMState, cp15.contextidr_el[1]),
+ .resetvalue = 0, .writefn = contextidr_write, .raw_writefn = raw_write, },
+ { .name = "CONTEXTIDR(S)", .state = ARM_CP_STATE_AA32,
+ .cp = 15, .opc1 = 0, .crn = 13, .crm = 0, .opc2 = 1,
+ .access = PL1_RW, .secure = ARM_CP_SECSTATE_S,
+ .fieldoffset = offsetof(CPUARMState, cp15.contextidr_s),
.resetvalue = 0, .writefn = contextidr_write, .raw_writefn = raw_write, },
REGINFO_SENTINEL
};
@@ -1031,23 +1054,31 @@ static const ARMCPRegInfo v6k_cp_reginfo[] = {
{ .name = "TPIDR_EL0", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 3, .opc2 = 2, .crn = 13, .crm = 0,
.access = PL0_RW,
- .fieldoffset = offsetof(CPUARMState, cp15.tpidr_el0), .resetvalue = 0 },
+ .fieldoffset = offsetof(CPUARMState, cp15.tpidr_el[0]), .resetvalue = 0 },
{ .name = "TPIDRURW", .cp = 15, .crn = 13, .crm = 0, .opc1 = 0, .opc2 = 2,
.access = PL0_RW,
- .fieldoffset = offsetoflow32(CPUARMState, cp15.tpidr_el0),
+ .bank_fieldoffsets = { offsetoflow32(CPUARMState, cp15.tpidrurw_s),
+ offsetoflow32(CPUARMState, cp15.tpidrurw_ns) },
.resetfn = arm_cp_reset_ignore },
{ .name = "TPIDRRO_EL0", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 3, .opc2 = 3, .crn = 13, .crm = 0,
.access = PL0_R|PL1_W,
- .fieldoffset = offsetof(CPUARMState, cp15.tpidrro_el0), .resetvalue = 0 },
+ .fieldoffset = offsetof(CPUARMState, cp15.tpidrro_el[0]),
+ .resetvalue = 0},
{ .name = "TPIDRURO", .cp = 15, .crn = 13, .crm = 0, .opc1 = 0, .opc2 = 3,
.access = PL0_R|PL1_W,
- .fieldoffset = offsetoflow32(CPUARMState, cp15.tpidrro_el0),
+ .bank_fieldoffsets = { offsetoflow32(CPUARMState, cp15.tpidruro_s),
+ offsetoflow32(CPUARMState, cp15.tpidruro_ns) },
.resetfn = arm_cp_reset_ignore },
- { .name = "TPIDR_EL1", .state = ARM_CP_STATE_BOTH,
+ { .name = "TPIDR_EL1", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .opc2 = 4, .crn = 13, .crm = 0,
.access = PL1_RW,
- .fieldoffset = offsetof(CPUARMState, cp15.tpidr_el1), .resetvalue = 0 },
+ .fieldoffset = offsetof(CPUARMState, cp15.tpidr_el[1]), .resetvalue = 0 },
+ { .name = "TPIDRPRW", .opc1 = 0, .cp = 15, .crn = 13, .crm = 0, .opc2 = 4,
+ .access = PL1_RW,
+ .bank_fieldoffsets = { offsetoflow32(CPUARMState, cp15.tpidrprw_s),
+ offsetoflow32(CPUARMState, cp15.tpidrprw_ns) },
+ .resetvalue = 0 },
REGINFO_SENTINEL
};
@@ -5051,8 +5082,9 @@ static inline int get_phys_addr(CPUARMState *env, target_ulong address,
uint32_t sctlr = A32_BANKED_CURRENT_REG_GET(env, sctlr);
/* Fast Context Switch Extension. */
- if (address < 0x02000000)
- address += env->cp15.c13_fcse;
+ if (address < 0x02000000) {
+ address += A32_BANKED_CURRENT_REG_GET(env, fcseidr);
+ }
if ((sctlr & SCTLR_M) == 0) {
/* MMU/MPU disabled. */
diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c
index a8dea5a3f9..2bed914770 100644
--- a/target-arm/op_helper.c
+++ b/target-arm/op_helper.c
@@ -575,7 +575,7 @@ static bool linked_bp_matches(ARMCPU *cpu, int lbn)
* short descriptor format (in which case it holds both PROCID and ASID),
* since we don't implement the optional v7 context ID masking.
*/
- contextidr = extract64(env->cp15.contextidr_el1, 0, 32);
+ contextidr = extract64(env->cp15.contextidr_el[1], 0, 32);
switch (bt) {
case 3: /* linked context ID match */
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-13 20:57:53 +0000