diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2012-06-20 11:57:12 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2012-06-20 12:05:40 +0000 |
| commit | 6cc7a3aee6259ca9d94312b1af0255c92a30fe34 (patch) | |
| tree | fac0a5d84e2d1c8da12bf0e6e5b171b1816c424c /target-arm | |
| parent | 200ac0ef87d3d076ccd5d738e4d1acb7f7b2879f (diff) | |
target-arm: Convert generic timer cp15 regs
Convert the (dummy) generic timer cp15 implementation.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target-arm')
| -rw-r--r-- | target-arm/helper.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index ebe6a55910..2d58eb5b6a 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -317,6 +317,14 @@ static const ARMCPRegInfo v6k_cp_reginfo[] = { REGINFO_SENTINEL }; +static const ARMCPRegInfo generic_timer_cp_reginfo[] = { + /* Dummy implementation: RAZ/WI the whole crn=14 space */ + { .name = "GENERIC_TIMER", .cp = 15, .crn = 14, + .crm = CP_ANY, .opc1 = CP_ANY, .opc2 = CP_ANY, + .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, + REGINFO_SENTINEL +}; + void register_cp_regs_for_features(ARMCPU *cpu) { /* Register all the coprocessor registers based on feature bits */ @@ -353,6 +361,9 @@ void register_cp_regs_for_features(ARMCPU *cpu) if (arm_feature(env, ARM_FEATURE_THUMB2EE)) { define_arm_cp_regs(cpu, t2ee_cp_reginfo); } + if (arm_feature(env, ARM_FEATURE_GENERIC_TIMER)) { + define_arm_cp_regs(cpu, generic_timer_cp_reginfo); + } } ARMCPU *cpu_arm_init(const char *cpu_model) @@ -1720,12 +1731,6 @@ void HELPER(set_cp15)(CPUARMState *env, uint32_t insn, uint32_t val) goto bad_reg; } break; - case 14: /* Generic timer */ - if (arm_feature(env, ARM_FEATURE_GENERIC_TIMER)) { - /* Dummy implementation: RAZ/WI for all */ - break; - } - goto bad_reg; case 15: /* Implementation specific. */ if (arm_feature(env, ARM_FEATURE_XSCALE)) { if (op2 == 0 && crm == 1) { @@ -2065,12 +2070,6 @@ uint32_t HELPER(get_cp15)(CPUARMState *env, uint32_t insn) default: goto bad_reg; } - case 14: /* Generic timer */ - if (arm_feature(env, ARM_FEATURE_GENERIC_TIMER)) { - /* Dummy implementation: RAZ/WI for all */ - return 0; - } - goto bad_reg; case 15: /* Implementation specific. */ if (arm_feature(env, ARM_FEATURE_XSCALE)) { if (op2 == 0 && crm == 1) |