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target-arm: Convert cp15 crn=0 crm={1,2} feature registers 

Convert the cp15 crn=0 crm={1,2} features registers to
the new cp reg framework.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2012-06-20 11:57:19 +00:00
parent 2771db2741
commit 8515a09294
3 changed files with 54 additions and 24 deletions
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14
target-arm/cpu.c
View File

@ -77,20 +77,6 @@ static void arm_cpu_reset(CPUState *s)
env->vfp.xregs[ARM_VFP_MVFR0] = cpu->mvfr0;
env->vfp.xregs[ARM_VFP_MVFR1] = cpu->mvfr1;
env->cp15.c0_cachetype = cpu->ctr;
env->cp15.c0_c1[0] = cpu->id_pfr0;
env->cp15.c0_c1[1] = cpu->id_pfr1;
env->cp15.c0_c1[2] = cpu->id_dfr0;
env->cp15.c0_c1[3] = cpu->id_afr0;
env->cp15.c0_c1[4] = cpu->id_mmfr0;
env->cp15.c0_c1[5] = cpu->id_mmfr1;
env->cp15.c0_c1[6] = cpu->id_mmfr2;
env->cp15.c0_c1[7] = cpu->id_mmfr3;
env->cp15.c0_c2[0] = cpu->id_isar0;
env->cp15.c0_c2[1] = cpu->id_isar1;
env->cp15.c0_c2[2] = cpu->id_isar2;
env->cp15.c0_c2[3] = cpu->id_isar3;
env->cp15.c0_c2[4] = cpu->id_isar4;
env->cp15.c0_c2[5] = cpu->id_isar5;
env->cp15.c0_clid = cpu->clidr;
memcpy(env->cp15.c0_ccsid, cpu->ccsidr, ARRAY_SIZE(cpu->ccsidr));

2
target-arm/cpu.h
View File

@ -111,8 +111,6 @@ typedef struct CPUARMState {
uint32_t c0_ccsid[16]; /* Cache size. */
uint32_t c0_clid; /* Cache level. */
uint32_t c0_cssel; /* Cache size selection. */
uint32_t c0_c1[8]; /* Feature registers. */
uint32_t c0_c2[8]; /* Instruction set registers. */
uint32_t c1_sys; /* System control register. */
uint32_t c1_coproc; /* Coprocessor access register. */
uint32_t c1_xscaleauxcr; /* XScale auxiliary control register. */

62
target-arm/helper.c
View File

@ -825,6 +825,60 @@ void register_cp_regs_for_features(ARMCPU *cpu)
define_arm_cp_regs(cpu, cp_reginfo);
if (arm_feature(env, ARM_FEATURE_V6)) {
/* The ID registers all have impdef reset values */
ARMCPRegInfo v6_idregs[] = {
{ .name = "ID_PFR0", .cp = 15, .crn = 0, .crm = 1,
.opc1 = 0, .opc2 = 0, .access = PL1_R, .type = ARM_CP_CONST,
.resetvalue = cpu->id_pfr0 },
{ .name = "ID_PFR1", .cp = 15, .crn = 0, .crm = 1,
.opc1 = 0, .opc2 = 1, .access = PL1_R, .type = ARM_CP_CONST,
.resetvalue = cpu->id_pfr1 },
{ .name = "ID_DFR0", .cp = 15, .crn = 0, .crm = 1,
.opc1 = 0, .opc2 = 2, .access = PL1_R, .type = ARM_CP_CONST,
.resetvalue = cpu->id_dfr0 },
{ .name = "ID_AFR0", .cp = 15, .crn = 0, .crm = 1,
.opc1 = 0, .opc2 = 3, .access = PL1_R, .type = ARM_CP_CONST,
.resetvalue = cpu->id_afr0 },
{ .name = "ID_MMFR0", .cp = 15, .crn = 0, .crm = 1,
.opc1 = 0, .opc2 = 4, .access = PL1_R, .type = ARM_CP_CONST,
.resetvalue = cpu->id_mmfr0 },
{ .name = "ID_MMFR1", .cp = 15, .crn = 0, .crm = 1,
.opc1 = 0, .opc2 = 5, .access = PL1_R, .type = ARM_CP_CONST,
.resetvalue = cpu->id_mmfr1 },
{ .name = "ID_MMFR2", .cp = 15, .crn = 0, .crm = 1,
.opc1 = 0, .opc2 = 6, .access = PL1_R, .type = ARM_CP_CONST,
.resetvalue = cpu->id_mmfr2 },
{ .name = "ID_MMFR3", .cp = 15, .crn = 0, .crm = 1,
.opc1 = 0, .opc2 = 7, .access = PL1_R, .type = ARM_CP_CONST,
.resetvalue = cpu->id_mmfr3 },
{ .name = "ID_ISAR0", .cp = 15, .crn = 0, .crm = 2,
.opc1 = 0, .opc2 = 0, .access = PL1_R, .type = ARM_CP_CONST,
.resetvalue = cpu->id_isar0 },
{ .name = "ID_ISAR1", .cp = 15, .crn = 0, .crm = 2,
.opc1 = 0, .opc2 = 1, .access = PL1_R, .type = ARM_CP_CONST,
.resetvalue = cpu->id_isar1 },
{ .name = "ID_ISAR2", .cp = 15, .crn = 0, .crm = 2,
.opc1 = 0, .opc2 = 2, .access = PL1_R, .type = ARM_CP_CONST,
.resetvalue = cpu->id_isar2 },
{ .name = "ID_ISAR3", .cp = 15, .crn = 0, .crm = 2,
.opc1 = 0, .opc2 = 3, .access = PL1_R, .type = ARM_CP_CONST,
.resetvalue = cpu->id_isar3 },
{ .name = "ID_ISAR4", .cp = 15, .crn = 0, .crm = 2,
.opc1 = 0, .opc2 = 4, .access = PL1_R, .type = ARM_CP_CONST,
.resetvalue = cpu->id_isar4 },
{ .name = "ID_ISAR5", .cp = 15, .crn = 0, .crm = 2,
.opc1 = 0, .opc2 = 5, .access = PL1_R, .type = ARM_CP_CONST,
.resetvalue = cpu->id_isar5 },
/* 6..7 are as yet unallocated and must RAZ */
{ .name = "ID_ISAR6", .cp = 15, .crn = 0, .crm = 2,
.opc1 = 0, .opc2 = 6, .access = PL1_R, .type = ARM_CP_CONST,
.resetvalue = 0 },
{ .name = "ID_ISAR7", .cp = 15, .crn = 0, .crm = 2,
.opc1 = 0, .opc2 = 7, .access = PL1_R, .type = ARM_CP_CONST,
.resetvalue = 0 },
REGINFO_SENTINEL
};
define_arm_cp_regs(cpu, v6_idregs);
define_arm_cp_regs(cpu, v6_cp_reginfo);
} else {
define_arm_cp_regs(cpu, not_v6_cp_reginfo);
@ -2064,14 +2118,6 @@ uint32_t HELPER(get_cp15)(CPUARMState *env, uint32_t insn)
default:
goto bad_reg;
}
case 1:
if (!arm_feature(env, ARM_FEATURE_V6))
goto bad_reg;
return env->cp15.c0_c1[op2];
case 2:
if (!arm_feature(env, ARM_FEATURE_V6))
goto bad_reg;
return env->cp15.c0_c2[op2];
case 3: case 4: case 5: case 6: case 7:
return 0;
default: