With this Qemu: qemu-system-arm --version QEMU emulator version 4.2.50 (v4.2.0-1276-g863d2ed582) Copyright (c) 2003-2019 Fabrice Bellard and the QEMU Project developers
I still have the same issue: (gdb) info registers r0 0x0 0 r1 0x9010001 151060481 r2 0x0 0 r3 0x428c89 4361353 r4 0x640f08 6557448 r5 0x672480 6759552 r6 0x0 0 r7 0x0 0 r8 0x0 0 r9 0x0 0 r10 0x0 0 r11 0x0 0 r12 0x60bb80 6339456 sp 0x6783f0 0x6783f0 <_Thread_Idle_stacks+4080> lr 0x425fa1 4349857 pc 0x428c8a 0x428c8a <_CPU_Thread_Idle_body+2> cpsr 0x60070173 1611071859 fpscr 0x0 0 fpsid 0x41033090 1090728080 fpexc 0x40000000 1073741824 [...] (gdb) monitor info registers R00=00000000 R01=09010001 R02=00000000 R03=00428c89 R04=00640f08 R05=00672480 R06=00000000 R07=00000000 R08=00000000 R09=00000000 R10=00000000 R11=00000000 R12=0060bb80 R13=006783f0 R14=00425fa1 R15=00428c8a PSR=60070173 -ZC- T svc32 s00=00013831 s01=00000000 d00=0000000000013831 s02=00000e0f s03=00000000 d01=0000000000000e0f s04=00000000 s05=00000000 d02=0000000000000000 s06=00000000 s07=00000000 d03=0000000000000000 s08=00000000 s09=00000000 d04=0000000000000000 s10=00000000 s11=00000000 d05=0000000000000000 s12=00000000 s13=00000000 d06=0000000000000000 s14=00000000 s15=00000000 d07=0000000000000000 s16=00000000 s17=00000000 d08=0000000000000000 s18=00000000 s19=00000000 d09=0000000000000000 s20=00000000 s21=00000000 d10=0000000000000000 s22=00000000 s23=00000000 d11=0000000000000000 s24=00000000 s25=00000000 d12=0000000000000000 s26=00000000 s27=00000000 d13=0000000000000000 s28=00000000 s29=00000000 d14=0000000000000000 s30=00000000 s31=00000000 d15=0000000000000000 s32=00000000 s33=00000000 d16=0000000000000000 s34=00000000 s35=00000000 d17=0000000000000000 s36=00000000 s37=00000000 d18=0000000000000000 s38=00000000 s39=00000000 d19=0000000000000000 s40=00000000 s41=00000000 d20=0000000000000000 s42=00000000 s43=00000000 d21=0000000000000000 s44=00000000 s45=00000000 d22=0000000000000000 s46=00000000 s47=00000000 d23=0000000000000000 s48=00000000 s49=00000000 d24=0000000000000000 s50=00000000 s51=00000000 d25=0000000000000000 s52=00000000 s53=00000000 d26=0000000000000000 s54=00000000 s55=00000000 d27=0000000000000000 s56=00000000 s57=00000000 d28=0000000000000000 s58=00000000 s59=00000000 d29=0000000000000000 s60=00000000 s61=00000000 d30=0000000000000000 s62=00000000 s63=00000000 d31=0000000000000000 FPSCR: 00000000 (gdb) monitor system_reset (gdb) info registers r0 0x0 0 r1 0x9010001 151060481 r2 0x0 0 r3 0x428c89 4361353 r4 0x640f08 6557448 r5 0x672480 6759552 r6 0x0 0 r7 0x0 0 r8 0x0 0 r9 0x0 0 r10 0x0 0 r11 0x0 0 r12 0x60bb80 6339456 sp 0x6783f0 0x6783f0 <_Thread_Idle_stacks+4080> lr 0x425fa1 4349857 pc 0x428c8a 0x428c8a <_CPU_Thread_Idle_body+2> cpsr 0x60070173 1611071859 fpscr 0x0 0 fpsid 0x41033090 1090728080 fpexc 0x40000000 1073741824 [...] (gdb) monitor info registers R00=00000000 R01=00000000 R02=00000000 R03=00000000 R04=00000000 R05=00000000 R06=00000000 R07=00000000 R08=00000000 R09=00000000 R10=00000000 R11=00000000 R12=00000000 R13=00000000 R14=00000000 R15=00104040 PSR=400001d3 -Z-- A svc32 s00=00000000 s01=00000000 d00=0000000000000000 s02=00000000 s03=00000000 d01=0000000000000000 s04=00000000 s05=00000000 d02=0000000000000000 s06=00000000 s07=00000000 d03=0000000000000000 s08=00000000 s09=00000000 d04=0000000000000000 s10=00000000 s11=00000000 d05=0000000000000000 s12=00000000 s13=00000000 d06=0000000000000000 s14=00000000 s15=00000000 d07=0000000000000000 s16=00000000 s17=00000000 d08=0000000000000000 s18=00000000 s19=00000000 d09=0000000000000000 s20=00000000 s21=00000000 d10=0000000000000000 s22=00000000 s23=00000000 d11=0000000000000000 s24=00000000 s25=00000000 d12=0000000000000000 s26=00000000 s27=00000000 d13=0000000000000000 s28=00000000 s29=00000000 d14=0000000000000000 s30=00000000 s31=00000000 d15=0000000000000000 s32=00000000 s33=00000000 d16=0000000000000000 s34=00000000 s35=00000000 d17=0000000000000000 s36=00000000 s37=00000000 d18=0000000000000000 s38=00000000 s39=00000000 d19=0000000000000000 s40=00000000 s41=00000000 d20=0000000000000000 s42=00000000 s43=00000000 d21=0000000000000000 s44=00000000 s45=00000000 d22=0000000000000000 s46=00000000 s47=00000000 d23=0000000000000000 s48=00000000 s49=00000000 d24=0000000000000000 s50=00000000 s51=00000000 d25=0000000000000000 s52=00000000 s53=00000000 d26=0000000000000000 s54=00000000 s55=00000000 d27=0000000000000000 s56=00000000 s57=00000000 d28=0000000000000000 s58=00000000 s59=00000000 d29=0000000000000000 s60=00000000 s61=00000000 d30=0000000000000000 s62=00000000 s63=00000000 d31=0000000000000000 FPSCR: 00000000 (gdb) si bsp_start_vector_table_end () at /home/EB/sebastian_h/src/rtems/bsps/arm/shared/start/start.S:166 166 mov r6, r2 /* physical address of ATAGs or DTB */ (gdb) info registers r0 0x0 0 r1 0x0 0 r2 0x0 0 r3 0x0 0 r4 0x0 0 r5 0x0 0 r6 0x0 0 r7 0x0 0 r8 0x0 0 r9 0x0 0 r10 0x0 0 r11 0x0 0 r12 0x0 0 sp 0x0 0x0 lr 0x0 0 pc 0x104044 0x104044 <bsp_start_vector_table_end+4> cpsr 0x400001d3 1073742291 fpscr 0x0 0 fpsid 0x41033090 1090728080 fpexc 0x0 0 [...] -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1277433 Title: GDB context is inconsistent after "monitor system_reset" Status in QEMU: Incomplete Bug description: After a "monitor system_reset" the GDB view to the system state differs from QEMUs processor state. Breakpoint 8, _ARMV4_Exception_interrupt () at /home/sh/rtems-4.11/c/src/../../cpukit/score/cpu/arm/arm_exc_interrupt.S:74 74 mov EXCHANGE_LR, lr (gdb) info registers r0 0x2027e8 2107368 r1 0x204208 2114056 r2 0x13 19 r3 0x204238 2114104 r4 0x0 0 r5 0x0 0 r6 0x0 0 r7 0x0 0 r8 0x0 0 r9 0x0 0 r10 0x0 0 r11 0x0 0 r12 0x0 0 sp 0x201480 0x201480 lr 0x110958 1116504 pc 0x11073c 0x11073c <_ARMV4_Exception_interrupt+4> cpsr 0x192 402 (gdb) monitor info registers R00=002027e8 R01=00204208 R02=00000013 R03=00204238 R04=00000000 R05=00000000 R06=00000000 R07=00000000 R08=00000000 R09=00000000 R10=00000000 R11=00000000 R12=00000000 R13=00201480 R14=00110958 R15=0011073c PSR=00000192 ---- A irq32 (gdb) monitor system_reset (gdb) info registers r0 0x2027e8 2107368 r1 0x204208 2114056 r2 0x13 19 r3 0x204238 2114104 r4 0x0 0 r5 0x0 0 r6 0x0 0 r7 0x0 0 r8 0x0 0 r9 0x0 0 r10 0x0 0 r11 0x0 0 r12 0x0 0 sp 0x201480 0x201480 lr 0x110958 1116504 pc 0x11073c 0x11073c <_ARMV4_Exception_interrupt+4> cpsr 0x192 402 (gdb) monitor info registers R00=00000000 R01=00000000 R02=00000000 R03=00000000 R04=00000000 R05=00000000 R06=00000000 R07=00000000 R08=00000000 R09=00000000 R10=00000000 R11=00000000 R12=00000000 R13=00000000 R14=00000000 R15=00100040 PSR=400001d3 -Z-- A svc32 Why does the second "info registers" and "monitor info registers" differ? After a single instruction step they are synchronized at least on ARM (on SPARC this is different). (gdb) si bsp_start_vector_table_end () at /home/sh/rtems-4.11/c/src/lib/libbsp/arm/realview-pbx-a9/../shared/start/start.S:144 144 msr cpsr, r0 (gdb) info registers r0 0xd3 211 r1 0x0 0 r2 0x0 0 r3 0x0 0 r4 0x0 0 r5 0x0 0 r6 0x0 0 r7 0x0 0 r8 0x0 0 r9 0x0 0 r10 0x0 0 r11 0x0 0 r12 0x0 0 sp 0x0 0x0 lr 0x0 0 pc 0x100044 0x100044 <bsp_start_vector_table_end+4> cpsr 0x400001d3 1073742291 (gdb) monitor info registers R00=000000d3 R01=00000000 R02=00000000 R03=00000000 R04=00000000 R05=00000000 R06=00000000 R07=00000000 R08=00000000 R09=00000000 R10=00000000 R11=00000000 R12=00000000 R13=00000000 R14=00000000 R15=00100044 PSR=400001d3 -Z-- A svc32 To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1277433/+subscriptions
