Commit 14db7fe0 authored by Peter Maydell's avatar Peter Maydell

target-arm: Implement AArch32 ATS1H* operations

Implement the AArch32 ATS1H* operations which perform
Hyp mode stage 1 translations.
Signed-off-by: 's avatarPeter Maydell <peter.maydell@linaro.org>
Reviewed-by: 's avatarEdgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1437751263-21913-6-git-send-email-peter.maydell@linaro.org
parent 87562e4f
......@@ -1849,6 +1849,17 @@ static void ats_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value)
A32_BANKED_CURRENT_REG_SET(env, par, par64);
}
static void ats1h_write(CPUARMState *env, const ARMCPRegInfo *ri,
uint64_t value)
{
int access_type = ri->opc2 & 1;
uint64_t par64;
par64 = do_ats_write(env, value, access_type, ARMMMUIdx_S2NS);
A32_BANKED_CURRENT_REG_SET(env, par, par64);
}
static CPAccessResult at_s1e2_access(CPUARMState *env, const ARMCPRegInfo *ri)
{
if (arm_current_el(env) == 3 && !(env->cp15.scr_el3 & SCR_NS)) {
......@@ -3066,6 +3077,17 @@ static const ARMCPRegInfo el2_cp_reginfo[] = {
.opc0 = 1, .opc1 = 4, .crn = 7, .crm = 8, .opc2 = 1,
.access = PL2_W, .accessfn = at_s1e2_access,
.type = ARM_CP_NO_RAW, .writefn = ats_write64 },
/* The AArch32 ATS1H* operations are CONSTRAINED UNPREDICTABLE
* if EL2 is not implemented; we choose to UNDEF. Behaviour at EL3
* with SCR.NS == 0 outside Monitor mode is UNPREDICTABLE; we choose
* to behave as if SCR.NS was 1.
*/
{ .name = "ATS1HR", .cp = 15, .opc1 = 4, .crn = 7, .crm = 8, .opc2 = 0,
.access = PL2_W,
.writefn = ats1h_write, .type = ARM_CP_NO_RAW },
{ .name = "ATS1HW", .cp = 15, .opc1 = 4, .crn = 7, .crm = 8, .opc2 = 1,
.access = PL2_W,
.writefn = ats1h_write, .type = ARM_CP_NO_RAW },
{ .name = "CNTHCTL_EL2", .state = ARM_CP_STATE_BOTH,
.opc0 = 3, .opc1 = 4, .crn = 14, .crm = 1, .opc2 = 0,
/* ARMv7 requires bit 0 and 1 to reset to 1. ARMv8 defines the
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment