diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/arm/isa.hh | 17 | ||||
| -rw-r--r-- | src/arch/arm/miscregs.hh | 6 |
2 files changed, 19 insertions, 4 deletions
diff --git a/src/arch/arm/isa.hh b/src/arch/arm/isa.hh index 67ee56537..dd80976bb 100644 --- a/src/arch/arm/isa.hh +++ b/src/arch/arm/isa.hh @@ -106,6 +106,12 @@ namespace ArmISA sctlr.rao4 = 1; miscRegs[MISCREG_SCTLR] = sctlr; + /* + * Technically this should be 0, but we don't support those + * settings. + */ + miscRegs[MISCREG_CPACR] = 0x0fffffff; + //XXX We need to initialize the rest of the state. } @@ -200,6 +206,7 @@ namespace ArmISA void setMiscReg(int misc_reg, const MiscReg &val, ThreadContext *tc) { + MiscReg newVal = val; if (misc_reg == MISCREG_CPSR) { updateRegMap(val); CPSR cpsr = val; @@ -216,7 +223,15 @@ namespace ArmISA panic("Unimplemented CP15 register %s wrote with %#x.\n", miscRegName[misc_reg], val); } - return setMiscRegNoEffect(misc_reg, val); + switch (misc_reg) { + case MISCREG_CPACR: + newVal = bits(val, 27, 0); + if (newVal != 0x0fffffff) { + panic("Disabling coprocessors isn't implemented.\n"); + } + break; + } + return setMiscRegNoEffect(misc_reg, newVal); } int diff --git a/src/arch/arm/miscregs.hh b/src/arch/arm/miscregs.hh index bdb98a6ff..4d603c65d 100644 --- a/src/arch/arm/miscregs.hh +++ b/src/arch/arm/miscregs.hh @@ -89,6 +89,7 @@ namespace ArmISA MISCREG_TPIDRURO, MISCREG_TPIDRPRW, MISCREG_CP15ISB, + MISCREG_CPACR, MISCREG_CP15_UNIMP_START, MISCREG_CTR = MISCREG_CP15_UNIMP_START, MISCREG_TCMTR, @@ -114,7 +115,6 @@ namespace ArmISA MISCREG_AIDR, MISCREG_CSSELR, MISCREG_ACTLR, - MISCREG_CPACR, MISCREG_DFSR, MISCREG_IFSR, MISCREG_ADFSR, @@ -160,11 +160,11 @@ namespace ArmISA "fpsr", "fpsid", "fpscr", "fpexc", "sctlr", "dccisw", "dccimvac", "contextidr", "tpidrurw", "tpidruro", "tpidrprw", - "cp15isb", "ctr", "tcmtr", "mpuir", "mpidr", "midr", + "cp15isb", "cpacr", "ctr", "tcmtr", "mpuir", "mpidr", "midr", "id_pfr0", "id_pfr1", "id_dfr0", "id_afr0", "id_mmfr0", "id_mmfr1", "id_mmfr2", "id_mmfr3", "id_isar0", "id_isar1", "id_isar2", "id_isar3", "id_isar4", "id_isar5", - "ccsidr", "clidr", "aidr", "csselr", "actlr", "cpacr", + "ccsidr", "clidr", "aidr", "csselr", "actlr", "dfsr", "ifsr", "adfsr", "aifsr", "dfar", "ifar", "drbar", "irbar", "drsr", "irsr", "dracr", "iracr", "rgnr", "icialluis", "bpiallis", "iciallu", "icimvau", |