diff options
Diffstat (limited to 'target-arm/helper.c')
| -rw-r--r-- | target-arm/helper.c | 56 |
1 files changed, 51 insertions, 5 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index 5e7205a9e0..ea4f35fb6c 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -10,6 +10,16 @@ #if !defined(CONFIG_USER_ONLY) #include "hw/loader.h" #endif +#include "sysemu.h" + +static uint32_t cortexa15_cp15_c0_c1[8] = { + 0x00001131, 0x00011011, 0x02010555, 0x00000000, + 0x10201105, 0x20000000, 0x01240000, 0x02102211 +}; + +static uint32_t cortexa15_cp15_c0_c2[8] = { + 0x02101110, 0x13112111, 0x21232041, 0x11112131, 0x10011142, 0, 0, 0 +}; static uint32_t cortexa9_cp15_c0_c1[8] = { 0x1031, 0x11, 0x000, 0, 0x00100103, 0x20000000, 0x01230000, 0x00002111 }; @@ -158,6 +168,27 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id) env->cp15.c0_ccsid[1] = 0x200fe015; /* 16k L1 icache. */ env->cp15.c1_sys = 0x00c50078; break; + case ARM_CPUID_CORTEXA15: + set_feature(env, ARM_FEATURE_V7); + set_feature(env, ARM_FEATURE_VFP4); + set_feature(env, ARM_FEATURE_VFP_FP16); + set_feature(env, ARM_FEATURE_NEON); + set_feature(env, ARM_FEATURE_THUMB2EE); + set_feature(env, ARM_FEATURE_ARM_DIV); + set_feature(env, ARM_FEATURE_V7MP); + set_feature(env, ARM_FEATURE_GENERIC_TIMER); + env->vfp.xregs[ARM_VFP_FPSID] = 0x410430f0; + env->vfp.xregs[ARM_VFP_MVFR0] = 0x10110222; + env->vfp.xregs[ARM_VFP_MVFR1] = 0x11111111; + memcpy(env->cp15.c0_c1, cortexa15_cp15_c0_c1, 8 * sizeof(uint32_t)); + memcpy(env->cp15.c0_c2, cortexa15_cp15_c0_c2, 8 * sizeof(uint32_t)); + env->cp15.c0_cachetype = 0x8444c004; + env->cp15.c0_clid = 0x0a200023; + env->cp15.c0_ccsid[0] = 0x701fe00a; /* 32K L1 dcache */ + env->cp15.c0_ccsid[1] = 0x201fe00a; /* 32K L1 icache */ + env->cp15.c0_ccsid[2] = 0x711fe07a; /* 4096K L2 unified cache */ + env->cp15.c1_sys = 0x00c50078; + break; case ARM_CPUID_CORTEXM3: set_feature(env, ARM_FEATURE_V7); set_feature(env, ARM_FEATURE_M); @@ -416,6 +447,7 @@ static const struct arm_cpu_t arm_cpu_names[] = { { ARM_CPUID_CORTEXM3, "cortex-m3"}, { ARM_CPUID_CORTEXA8, "cortex-a8"}, { ARM_CPUID_CORTEXA9, "cortex-a9"}, + { ARM_CPUID_CORTEXA15, "cortex-a15" }, { ARM_CPUID_TI925T, "ti925t" }, { ARM_CPUID_PXA250, "pxa250" }, { ARM_CPUID_SA1100, "sa1100" }, @@ -670,8 +702,6 @@ uint32_t HELPER(get_r13_banked)(CPUState *env, uint32_t mode) #else -extern int semihosting_enabled; - /* Map CPU modes onto saved register banks. */ static inline int bank_number(CPUState *env, int mode) { @@ -1945,6 +1975,7 @@ uint32_t HELPER(get_cp15)(CPUState *env, uint32_t insn) case ARM_CPUID_CORTEXA8: return 2; case ARM_CPUID_CORTEXA9: + case ARM_CPUID_CORTEXA15: return 0; default: goto bad_reg; @@ -2065,11 +2096,26 @@ uint32_t HELPER(get_cp15)(CPUState *env, uint32_t insn) goto bad_reg; } case 1: /* L2 cache */ - if (crm != 0) { + /* L2 Lockdown and Auxiliary control. */ + switch (op2) { + case 0: + /* L2 cache lockdown (A8 only) */ + return 0; + case 2: + /* L2 cache auxiliary control (A8) or control (A15) */ + if (ARM_CPUID(env) == ARM_CPUID_CORTEXA15) { + /* Linux wants the number of processors from here. + * Might as well set the interrupt-controller bit too. + */ + return ((smp_cpus - 1) << 24) | (1 << 23); + } + return 0; + case 3: + /* L2 cache extended control (A15) */ + return 0; + default: goto bad_reg; } - /* L2 Lockdown and Auxiliary control. */ - return 0; default: goto bad_reg; } |