From 0614601cecc8e5d9c6c5fa606b39fe388a18583a Mon Sep 17 00:00:00 2001 From: Alistair Francis Date: Fri, 29 Aug 2014 15:00:30 +0100 Subject: target-arm: Implement pmccfiltr_write function This is the function that is called when writing to the PMCCFILTR_EL0 register Signed-off-by: Alistair Francis Signed-off-by: Peter Crosthwaite Message-id: 73da3da6404855b17d5ae82975a32ff3a4dcae3d.1409025949.git.peter.crosthwaite@xilinx.com Signed-off-by: Peter Maydell --- target-arm/helper.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'target-arm') diff --git a/target-arm/helper.c b/target-arm/helper.c index d213ed14ad..2b95f33872 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -650,6 +650,14 @@ void pmccntr_sync(CPUARMState *env) #endif +static void pmccfiltr_write(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t value) +{ + pmccntr_sync(env); + env->cp15.pmccfiltr_el0 = value & 0x7E000000; + pmccntr_sync(env); +} + static void pmcntenset_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) { @@ -801,6 +809,7 @@ static const ARMCPRegInfo v7_cp_reginfo[] = { #endif { .name = "PMCCFILTR_EL0", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 3, .crn = 14, .crm = 15, .opc2 = 7, + .writefn = pmccfiltr_write, .access = PL0_RW, .accessfn = pmreg_access, .type = ARM_CP_IO, .fieldoffset = offsetof(CPUARMState, cp15.pmccfiltr_el0), -- cgit v1.2.3