@@ -26,6 +26,7 @@
#define TARGET_ARM_INTERNALS_H
#include "hw/registerfields.h"
+#include "syndrome.h"
/* register banks for CPU modes */
#define BANK_USRSYS 0
@@ -262,250 +263,6 @@ static inline bool extended_addresses_enabled(CPUARMState *env)
(arm_feature(env, ARM_FEATURE_LPAE) && (tcr->raw_tcr & TTBCR_EAE));
}
-/* Valid Syndrome Register EC field values */
-enum arm_exception_class {
- EC_UNCATEGORIZED = 0x00,
- EC_WFX_TRAP = 0x01,
- EC_CP15RTTRAP = 0x03,
- EC_CP15RRTTRAP = 0x04,
- EC_CP14RTTRAP = 0x05,
- EC_CP14DTTRAP = 0x06,
- EC_ADVSIMDFPACCESSTRAP = 0x07,
- EC_FPIDTRAP = 0x08,
- EC_PACTRAP = 0x09,
- EC_CP14RRTTRAP = 0x0c,
- EC_BTITRAP = 0x0d,
- EC_ILLEGALSTATE = 0x0e,
- EC_AA32_SVC = 0x11,
- EC_AA32_HVC = 0x12,
- EC_AA32_SMC = 0x13,
- EC_AA64_SVC = 0x15,
- EC_AA64_HVC = 0x16,
- EC_AA64_SMC = 0x17,
- EC_SYSTEMREGISTERTRAP = 0x18,
- EC_SVEACCESSTRAP = 0x19,
- EC_INSNABORT = 0x20,
- EC_INSNABORT_SAME_EL = 0x21,
- EC_PCALIGNMENT = 0x22,
- EC_DATAABORT = 0x24,
- EC_DATAABORT_SAME_EL = 0x25,
- EC_SPALIGNMENT = 0x26,
- EC_AA32_FPTRAP = 0x28,
- EC_AA64_FPTRAP = 0x2c,
- EC_SERROR = 0x2f,
- EC_BREAKPOINT = 0x30,
- EC_BREAKPOINT_SAME_EL = 0x31,
- EC_SOFTWARESTEP = 0x32,
- EC_SOFTWARESTEP_SAME_EL = 0x33,
- EC_WATCHPOINT = 0x34,
- EC_WATCHPOINT_SAME_EL = 0x35,
- EC_AA32_BKPT = 0x38,
- EC_VECTORCATCH = 0x3a,
- EC_AA64_BKPT = 0x3c,
-};
-
-#define ARM_EL_EC_SHIFT 26
-#define ARM_EL_IL_SHIFT 25
-#define ARM_EL_ISV_SHIFT 24
-#define ARM_EL_IL (1 << ARM_EL_IL_SHIFT)
-#define ARM_EL_ISV (1 << ARM_EL_ISV_SHIFT)
-
-static inline uint32_t syn_get_ec(uint32_t syn)
-{
- return syn >> ARM_EL_EC_SHIFT;
-}
-
-/* Utility functions for constructing various kinds of syndrome value.
- * Note that in general we follow the AArch64 syndrome values; in a
- * few cases the value in HSR for exceptions taken to AArch32 Hyp
- * mode differs slightly, and we fix this up when populating HSR in
- * arm_cpu_do_interrupt_aarch32_hyp().
- * The exception is FP/SIMD access traps -- these report extra information
- * when taking an exception to AArch32. For those we include the extra coproc
- * and TA fields, and mask them out when taking the exception to AArch64.
- */
-static inline uint32_t syn_uncategorized(void)
-{
- return (EC_UNCATEGORIZED << ARM_EL_EC_SHIFT) | ARM_EL_IL;
-}
-
-static inline uint32_t syn_aa64_svc(uint32_t imm16)
-{
- return (EC_AA64_SVC << ARM_EL_EC_SHIFT) | ARM_EL_IL | (imm16 & 0xffff);
-}
-
-static inline uint32_t syn_aa64_hvc(uint32_t imm16)
-{
- return (EC_AA64_HVC << ARM_EL_EC_SHIFT) | ARM_EL_IL | (imm16 & 0xffff);
-}
-
-static inline uint32_t syn_aa64_smc(uint32_t imm16)
-{
- return (EC_AA64_SMC << ARM_EL_EC_SHIFT) | ARM_EL_IL | (imm16 & 0xffff);
-}
-
-static inline uint32_t syn_aa32_svc(uint32_t imm16, bool is_16bit)
-{
- return (EC_AA32_SVC << ARM_EL_EC_SHIFT) | (imm16 & 0xffff)
- | (is_16bit ? 0 : ARM_EL_IL);
-}
-
-static inline uint32_t syn_aa32_hvc(uint32_t imm16)
-{
- return (EC_AA32_HVC << ARM_EL_EC_SHIFT) | ARM_EL_IL | (imm16 & 0xffff);
-}
-
-static inline uint32_t syn_aa32_smc(void)
-{
- return (EC_AA32_SMC << ARM_EL_EC_SHIFT) | ARM_EL_IL;
-}
-
-static inline uint32_t syn_aa64_bkpt(uint32_t imm16)
-{
- return (EC_AA64_BKPT << ARM_EL_EC_SHIFT) | ARM_EL_IL | (imm16 & 0xffff);
-}
-
-static inline uint32_t syn_aa32_bkpt(uint32_t imm16, bool is_16bit)
-{
- return (EC_AA32_BKPT << ARM_EL_EC_SHIFT) | (imm16 & 0xffff)
- | (is_16bit ? 0 : ARM_EL_IL);
-}
-
-static inline uint32_t syn_aa64_sysregtrap(int op0, int op1, int op2,
- int crn, int crm, int rt,
- int isread)
-{
- return (EC_SYSTEMREGISTERTRAP << ARM_EL_EC_SHIFT) | ARM_EL_IL
- | (op0 << 20) | (op2 << 17) | (op1 << 14) | (crn << 10) | (rt << 5)
- | (crm << 1) | isread;
-}
-
-static inline uint32_t syn_cp14_rt_trap(int cv, int cond, int opc1, int opc2,
- int crn, int crm, int rt, int isread,
- bool is_16bit)
-{
- return (EC_CP14RTTRAP << ARM_EL_EC_SHIFT)
- | (is_16bit ? 0 : ARM_EL_IL)
- | (cv << 24) | (cond << 20) | (opc2 << 17) | (opc1 << 14)
- | (crn << 10) | (rt << 5) | (crm << 1) | isread;
-}
-
-static inline uint32_t syn_cp15_rt_trap(int cv, int cond, int opc1, int opc2,
- int crn, int crm, int rt, int isread,
- bool is_16bit)
-{
- return (EC_CP15RTTRAP << ARM_EL_EC_SHIFT)
- | (is_16bit ? 0 : ARM_EL_IL)
- | (cv << 24) | (cond << 20) | (opc2 << 17) | (opc1 << 14)
- | (crn << 10) | (rt << 5) | (crm << 1) | isread;
-}
-
-static inline uint32_t syn_cp14_rrt_trap(int cv, int cond, int opc1, int crm,
- int rt, int rt2, int isread,
- bool is_16bit)
-{
- return (EC_CP14RRTTRAP << ARM_EL_EC_SHIFT)
- | (is_16bit ? 0 : ARM_EL_IL)
- | (cv << 24) | (cond << 20) | (opc1 << 16)
- | (rt2 << 10) | (rt << 5) | (crm << 1) | isread;
-}
-
-static inline uint32_t syn_cp15_rrt_trap(int cv, int cond, int opc1, int crm,
- int rt, int rt2, int isread,
- bool is_16bit)
-{
- return (EC_CP15RRTTRAP << ARM_EL_EC_SHIFT)
- | (is_16bit ? 0 : ARM_EL_IL)
- | (cv << 24) | (cond << 20) | (opc1 << 16)
- | (rt2 << 10) | (rt << 5) | (crm << 1) | isread;
-}
-
-static inline uint32_t syn_fp_access_trap(int cv, int cond, bool is_16bit)
-{
- /* AArch32 FP trap or any AArch64 FP/SIMD trap: TA == 0 coproc == 0xa */
- return (EC_ADVSIMDFPACCESSTRAP << ARM_EL_EC_SHIFT)
- | (is_16bit ? 0 : ARM_EL_IL)
- | (cv << 24) | (cond << 20) | 0xa;
-}
-
-static inline uint32_t syn_simd_access_trap(int cv, int cond, bool is_16bit)
-{
- /* AArch32 SIMD trap: TA == 1 coproc == 0 */
- return (EC_ADVSIMDFPACCESSTRAP << ARM_EL_EC_SHIFT)
- | (is_16bit ? 0 : ARM_EL_IL)
- | (cv << 24) | (cond << 20) | (1 << 5);
-}
-
-static inline uint32_t syn_sve_access_trap(void)
-{
- return EC_SVEACCESSTRAP << ARM_EL_EC_SHIFT;
-}
-
-static inline uint32_t syn_pactrap(void)
-{
- return EC_PACTRAP << ARM_EL_EC_SHIFT;
-}
-
-static inline uint32_t syn_btitrap(int btype)
-{
- return (EC_BTITRAP << ARM_EL_EC_SHIFT) | btype;
-}
-
-static inline uint32_t syn_insn_abort(int same_el, int ea, int s1ptw, int fsc)
-{
- return (EC_INSNABORT << ARM_EL_EC_SHIFT) | (same_el << ARM_EL_EC_SHIFT)
- | ARM_EL_IL | (ea << 9) | (s1ptw << 7) | fsc;
-}
-
-static inline uint32_t syn_data_abort_no_iss(int same_el, int fnv,
- int ea, int cm, int s1ptw,
- int wnr, int fsc)
-{
- return (EC_DATAABORT << ARM_EL_EC_SHIFT) | (same_el << ARM_EL_EC_SHIFT)
- | ARM_EL_IL
- | (fnv << 10) | (ea << 9) | (cm << 8) | (s1ptw << 7)
- | (wnr << 6) | fsc;
-}
-
-static inline uint32_t syn_data_abort_with_iss(int same_el,
- int sas, int sse, int srt,
- int sf, int ar,
- int ea, int cm, int s1ptw,
- int wnr, int fsc,
- bool is_16bit)
-{
- return (EC_DATAABORT << ARM_EL_EC_SHIFT) | (same_el << ARM_EL_EC_SHIFT)
- | (is_16bit ? 0 : ARM_EL_IL)
- | ARM_EL_ISV | (sas << 22) | (sse << 21) | (srt << 16)
- | (sf << 15) | (ar << 14)
- | (ea << 9) | (cm << 8) | (s1ptw << 7) | (wnr << 6) | fsc;
-}
-
-static inline uint32_t syn_swstep(int same_el, int isv, int ex)
-{
- return (EC_SOFTWARESTEP << ARM_EL_EC_SHIFT) | (same_el << ARM_EL_EC_SHIFT)
- | ARM_EL_IL | (isv << 24) | (ex << 6) | 0x22;
-}
-
-static inline uint32_t syn_watchpoint(int same_el, int cm, int wnr)
-{
- return (EC_WATCHPOINT << ARM_EL_EC_SHIFT) | (same_el << ARM_EL_EC_SHIFT)
- | ARM_EL_IL | (cm << 8) | (wnr << 6) | 0x22;
-}
-
-static inline uint32_t syn_breakpoint(int same_el)
-{
- return (EC_BREAKPOINT << ARM_EL_EC_SHIFT) | (same_el << ARM_EL_EC_SHIFT)
- | ARM_EL_IL | 0x22;
-}
-
-static inline uint32_t syn_wfx(int cv, int cond, int ti, bool is_16bit)
-{
- return (EC_WFX_TRAP << ARM_EL_EC_SHIFT) |
- (is_16bit ? 0 : (1 << ARM_EL_IL_SHIFT)) |
- (cv << 24) | (cond << 20) | ti;
-}
-
/* Update a QEMU watchpoint based on the information the guest has set in the
* DBGWCR<n>_EL1 and DBGWVR<n>_EL1 registers.
*/
new file mode 100644
@@ -0,0 +1,273 @@
+/*
+ * QEMU ARM CPU -- syndrome functions and types
+ *
+ * Copyright (c) 2014 Linaro Ltd
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see
+ * <http://www.gnu.org/licenses/gpl-2.0.html>
+ *
+ * This header defines functions, types, etc which need to be shared
+ * between different source files within target/arm/ but which are
+ * private to it and not required by the rest of QEMU.
+ */
+
+#ifndef TARGET_ARM_SYNDROME_H
+#define TARGET_ARM_SYNDROME_H
+
+/* Valid Syndrome Register EC field values */
+enum arm_exception_class {
+ EC_UNCATEGORIZED = 0x00,
+ EC_WFX_TRAP = 0x01,
+ EC_CP15RTTRAP = 0x03,
+ EC_CP15RRTTRAP = 0x04,
+ EC_CP14RTTRAP = 0x05,
+ EC_CP14DTTRAP = 0x06,
+ EC_ADVSIMDFPACCESSTRAP = 0x07,
+ EC_FPIDTRAP = 0x08,
+ EC_PACTRAP = 0x09,
+ EC_CP14RRTTRAP = 0x0c,
+ EC_BTITRAP = 0x0d,
+ EC_ILLEGALSTATE = 0x0e,
+ EC_AA32_SVC = 0x11,
+ EC_AA32_HVC = 0x12,
+ EC_AA32_SMC = 0x13,
+ EC_AA64_SVC = 0x15,
+ EC_AA64_HVC = 0x16,
+ EC_AA64_SMC = 0x17,
+ EC_SYSTEMREGISTERTRAP = 0x18,
+ EC_SVEACCESSTRAP = 0x19,
+ EC_INSNABORT = 0x20,
+ EC_INSNABORT_SAME_EL = 0x21,
+ EC_PCALIGNMENT = 0x22,
+ EC_DATAABORT = 0x24,
+ EC_DATAABORT_SAME_EL = 0x25,
+ EC_SPALIGNMENT = 0x26,
+ EC_AA32_FPTRAP = 0x28,
+ EC_AA64_FPTRAP = 0x2c,
+ EC_SERROR = 0x2f,
+ EC_BREAKPOINT = 0x30,
+ EC_BREAKPOINT_SAME_EL = 0x31,
+ EC_SOFTWARESTEP = 0x32,
+ EC_SOFTWARESTEP_SAME_EL = 0x33,
+ EC_WATCHPOINT = 0x34,
+ EC_WATCHPOINT_SAME_EL = 0x35,
+ EC_AA32_BKPT = 0x38,
+ EC_VECTORCATCH = 0x3a,
+ EC_AA64_BKPT = 0x3c,
+};
+
+#define ARM_EL_EC_SHIFT 26
+#define ARM_EL_IL_SHIFT 25
+#define ARM_EL_ISV_SHIFT 24
+#define ARM_EL_IL (1 << ARM_EL_IL_SHIFT)
+#define ARM_EL_ISV (1 << ARM_EL_ISV_SHIFT)
+
+static inline uint32_t syn_get_ec(uint32_t syn)
+{
+ return syn >> ARM_EL_EC_SHIFT;
+}
+
+/*
+ * Utility functions for constructing various kinds of syndrome value.
+ * Note that in general we follow the AArch64 syndrome values; in a
+ * few cases the value in HSR for exceptions taken to AArch32 Hyp
+ * mode differs slightly, and we fix this up when populating HSR in
+ * arm_cpu_do_interrupt_aarch32_hyp().
+ * The exception is FP/SIMD access traps -- these report extra information
+ * when taking an exception to AArch32. For those we include the extra coproc
+ * and TA fields, and mask them out when taking the exception to AArch64.
+ */
+static inline uint32_t syn_uncategorized(void)
+{
+ return (EC_UNCATEGORIZED << ARM_EL_EC_SHIFT) | ARM_EL_IL;
+}
+
+static inline uint32_t syn_aa64_svc(uint32_t imm16)
+{
+ return (EC_AA64_SVC << ARM_EL_EC_SHIFT) | ARM_EL_IL | (imm16 & 0xffff);
+}
+
+static inline uint32_t syn_aa64_hvc(uint32_t imm16)
+{
+ return (EC_AA64_HVC << ARM_EL_EC_SHIFT) | ARM_EL_IL | (imm16 & 0xffff);
+}
+
+static inline uint32_t syn_aa64_smc(uint32_t imm16)
+{
+ return (EC_AA64_SMC << ARM_EL_EC_SHIFT) | ARM_EL_IL | (imm16 & 0xffff);
+}
+
+static inline uint32_t syn_aa32_svc(uint32_t imm16, bool is_16bit)
+{
+ return (EC_AA32_SVC << ARM_EL_EC_SHIFT) | (imm16 & 0xffff)
+ | (is_16bit ? 0 : ARM_EL_IL);
+}
+
+static inline uint32_t syn_aa32_hvc(uint32_t imm16)
+{
+ return (EC_AA32_HVC << ARM_EL_EC_SHIFT) | ARM_EL_IL | (imm16 & 0xffff);
+}
+
+static inline uint32_t syn_aa32_smc(void)
+{
+ return (EC_AA32_SMC << ARM_EL_EC_SHIFT) | ARM_EL_IL;
+}
+
+static inline uint32_t syn_aa64_bkpt(uint32_t imm16)
+{
+ return (EC_AA64_BKPT << ARM_EL_EC_SHIFT) | ARM_EL_IL | (imm16 & 0xffff);
+}
+
+static inline uint32_t syn_aa32_bkpt(uint32_t imm16, bool is_16bit)
+{
+ return (EC_AA32_BKPT << ARM_EL_EC_SHIFT) | (imm16 & 0xffff)
+ | (is_16bit ? 0 : ARM_EL_IL);
+}
+
+static inline uint32_t syn_aa64_sysregtrap(int op0, int op1, int op2,
+ int crn, int crm, int rt,
+ int isread)
+{
+ return (EC_SYSTEMREGISTERTRAP << ARM_EL_EC_SHIFT) | ARM_EL_IL
+ | (op0 << 20) | (op2 << 17) | (op1 << 14) | (crn << 10) | (rt << 5)
+ | (crm << 1) | isread;
+}
+
+static inline uint32_t syn_cp14_rt_trap(int cv, int cond, int opc1, int opc2,
+ int crn, int crm, int rt, int isread,
+ bool is_16bit)
+{
+ return (EC_CP14RTTRAP << ARM_EL_EC_SHIFT)
+ | (is_16bit ? 0 : ARM_EL_IL)
+ | (cv << 24) | (cond << 20) | (opc2 << 17) | (opc1 << 14)
+ | (crn << 10) | (rt << 5) | (crm << 1) | isread;
+}
+
+static inline uint32_t syn_cp15_rt_trap(int cv, int cond, int opc1, int opc2,
+ int crn, int crm, int rt, int isread,
+ bool is_16bit)
+{
+ return (EC_CP15RTTRAP << ARM_EL_EC_SHIFT)
+ | (is_16bit ? 0 : ARM_EL_IL)
+ | (cv << 24) | (cond << 20) | (opc2 << 17) | (opc1 << 14)
+ | (crn << 10) | (rt << 5) | (crm << 1) | isread;
+}
+
+static inline uint32_t syn_cp14_rrt_trap(int cv, int cond, int opc1, int crm,
+ int rt, int rt2, int isread,
+ bool is_16bit)
+{
+ return (EC_CP14RRTTRAP << ARM_EL_EC_SHIFT)
+ | (is_16bit ? 0 : ARM_EL_IL)
+ | (cv << 24) | (cond << 20) | (opc1 << 16)
+ | (rt2 << 10) | (rt << 5) | (crm << 1) | isread;
+}
+
+static inline uint32_t syn_cp15_rrt_trap(int cv, int cond, int opc1, int crm,
+ int rt, int rt2, int isread,
+ bool is_16bit)
+{
+ return (EC_CP15RRTTRAP << ARM_EL_EC_SHIFT)
+ | (is_16bit ? 0 : ARM_EL_IL)
+ | (cv << 24) | (cond << 20) | (opc1 << 16)
+ | (rt2 << 10) | (rt << 5) | (crm << 1) | isread;
+}
+
+static inline uint32_t syn_fp_access_trap(int cv, int cond, bool is_16bit)
+{
+ /* AArch32 FP trap or any AArch64 FP/SIMD trap: TA == 0 coproc == 0xa */
+ return (EC_ADVSIMDFPACCESSTRAP << ARM_EL_EC_SHIFT)
+ | (is_16bit ? 0 : ARM_EL_IL)
+ | (cv << 24) | (cond << 20) | 0xa;
+}
+
+static inline uint32_t syn_simd_access_trap(int cv, int cond, bool is_16bit)
+{
+ /* AArch32 SIMD trap: TA == 1 coproc == 0 */
+ return (EC_ADVSIMDFPACCESSTRAP << ARM_EL_EC_SHIFT)
+ | (is_16bit ? 0 : ARM_EL_IL)
+ | (cv << 24) | (cond << 20) | (1 << 5);
+}
+
+static inline uint32_t syn_sve_access_trap(void)
+{
+ return EC_SVEACCESSTRAP << ARM_EL_EC_SHIFT;
+}
+
+static inline uint32_t syn_pactrap(void)
+{
+ return EC_PACTRAP << ARM_EL_EC_SHIFT;
+}
+
+static inline uint32_t syn_btitrap(int btype)
+{
+ return (EC_BTITRAP << ARM_EL_EC_SHIFT) | btype;
+}
+
+static inline uint32_t syn_insn_abort(int same_el, int ea, int s1ptw, int fsc)
+{
+ return (EC_INSNABORT << ARM_EL_EC_SHIFT) | (same_el << ARM_EL_EC_SHIFT)
+ | ARM_EL_IL | (ea << 9) | (s1ptw << 7) | fsc;
+}
+
+static inline uint32_t syn_data_abort_no_iss(int same_el, int fnv,
+ int ea, int cm, int s1ptw,
+ int wnr, int fsc)
+{
+ return (EC_DATAABORT << ARM_EL_EC_SHIFT) | (same_el << ARM_EL_EC_SHIFT)
+ | ARM_EL_IL
+ | (fnv << 10) | (ea << 9) | (cm << 8) | (s1ptw << 7)
+ | (wnr << 6) | fsc;
+}
+
+static inline uint32_t syn_data_abort_with_iss(int same_el,
+ int sas, int sse, int srt,
+ int sf, int ar,
+ int ea, int cm, int s1ptw,
+ int wnr, int fsc,
+ bool is_16bit)
+{
+ return (EC_DATAABORT << ARM_EL_EC_SHIFT) | (same_el << ARM_EL_EC_SHIFT)
+ | (is_16bit ? 0 : ARM_EL_IL)
+ | ARM_EL_ISV | (sas << 22) | (sse << 21) | (srt << 16)
+ | (sf << 15) | (ar << 14)
+ | (ea << 9) | (cm << 8) | (s1ptw << 7) | (wnr << 6) | fsc;
+}
+
+static inline uint32_t syn_swstep(int same_el, int isv, int ex)
+{
+ return (EC_SOFTWARESTEP << ARM_EL_EC_SHIFT) | (same_el << ARM_EL_EC_SHIFT)
+ | ARM_EL_IL | (isv << 24) | (ex << 6) | 0x22;
+}
+
+static inline uint32_t syn_watchpoint(int same_el, int cm, int wnr)
+{
+ return (EC_WATCHPOINT << ARM_EL_EC_SHIFT) | (same_el << ARM_EL_EC_SHIFT)
+ | ARM_EL_IL | (cm << 8) | (wnr << 6) | 0x22;
+}
+
+static inline uint32_t syn_breakpoint(int same_el)
+{
+ return (EC_BREAKPOINT << ARM_EL_EC_SHIFT) | (same_el << ARM_EL_EC_SHIFT)
+ | ARM_EL_IL | 0x22;
+}
+
+static inline uint32_t syn_wfx(int cv, int cond, int ti, bool is_16bit)
+{
+ return (EC_WFX_TRAP << ARM_EL_EC_SHIFT) |
+ (is_16bit ? 0 : (1 << ARM_EL_IL_SHIFT)) |
+ (cv << 24) | (cond << 20) | ti;
+}
+
+#endif /* TARGET_ARM_SYNDROME_H */