arch/arm/faults.cc

198 // Fields: name, offset, cur{ELT,ELH}Offset, lowerEL{64,32}Offset, next mode,
302     assert(ArmSystem::haveSecurity(tc) || cpsr.mode != MODE_MON);
303     assert(ArmSystem::haveVirtualization(tc) || cpsr.mode != MODE_HYP);
305     switch (cpsr.mode)
428     // Determine source exception level and mode
429     fromMode = (OperatingMode) (uint8_t) cpsr.mode;
435     // mode (aarch32).
477     // Update fault state informations, like the starting mode (aarch32)
478     // or EL (aarch64) and the ending mode or EL.
480     // be handled in AArch64 mode (to64).
516     // Ensure Secure state if initially in Monitor mode
517     if (have_security && saved_cpsr.mode == MODE_MON) {
526     cpsr.mode = toMode;
528     // some bits are set differently if we have been routed to hyp mode
529     if (cpsr.mode == MODE_HYP) {
536     } else if (cpsr.mode == MODE_MON) {
537         // Special case handling when entering monitor mode
563     if (cpsr.mode == MODE_HYP) {
571     switch (cpsr.mode) {
679     OperatingMode64 mode = 0;
680     mode.spX = 1;
681     mode.el = toEL;
682     mode.width = 0;
683     cpsr.mode = mode;
731     assert(ArmSystem::haveSecurity(tc) || cpsr.mode != MODE_MON);
732     assert(ArmSystem::haveVirtualization(tc) || cpsr.mode != MODE_HYP);
758             cpsr.mode = MODE_HYP;
802     // if in Hyp mode then stay in Hyp mode
803     toHyp  = scr.ns && (cpsr.mode == MODE_HYP);
804     // if HCR.TGE is set to 1, take to Hyp mode through Hyp Trap vector
805     toHyp |= !inSecureState(scr, cpsr) && hcr.tge && (cpsr.mode == MODE_USER);
850     OperatingMode mode = (OperatingMode)(uint8_t)cpsr.mode;
851     if (opModeIs64(mode))
874     // if in Hyp mode then stay in Hyp mode
875     toHyp  = scr.ns && (cpsr.mode == MODE_HYP);
876     // if HCR.TGE is set to 1, take to Hyp mode through Hyp Trap vector
877     toHyp |= !inSecureState(scr, cpsr) && hcr.tge && (cpsr.mode == MODE_USER);
940     // mode, and its an exception type that would only do this if it has been
944         if (cpsr.mode == MODE_HYP) {
946             isHypTrap = spsr.mode != MODE_HYP;
1016     // if HCR.TGE is set to 1, take to Hyp mode through Hyp Trap vector
1085         if (cpsr.mode == MODE_HYP) {
1254         // the fault originated within HYP mode, or not. So override
1260         if (spsr.mode == MODE_HYP) {
1289     // if in Hyp mode then stay in Hyp mode
1290     toHyp  = scr.ns && (cpsr.mode == MODE_HYP);
1291     // otherwise, check whether to take to Hyp mode through Hyp Trap vector
1293                 ( (source ==               DebugEvent) && hdcr.tde && (cpsr.mode !=  MODE_HYP)) ||
1294                 ( (source == SynchronousExternalAbort) && hcr.tge  && (cpsr.mode == MODE_USER))
1315         // the fault originated within HYP mode, or not. So override
1321         if (spsr.mode == MODE_HYP) {
1350     // if in Hyp mode then stay in Hyp mode
1351     toHyp  = scr.ns && (cpsr.mode == MODE_HYP);
1352     // otherwise, check whether to take to Hyp mode through Hyp Trap vector
1354                 ( (cpsr.mode != MODE_HYP) && ( ((source == AsynchronousExternalAbort) && hcr.amo) ||
1357                 ( (cpsr.mode == MODE_USER) && hcr.tge &&
1450     // Determine whether IRQs are routed to Hyp mode.
1452             (cpsr.mode == MODE_HYP);
1489     // Determine whether IRQs are routed to Hyp mode.
1491             (cpsr.mode == MODE_HYP);
1538     // if HCR.TGE is set to 1, take to Hyp mode through Hyp Trap vector