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qemu-patch-raspberry4/target/xtensa
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Ilya Leoshkevich f689befde6 target/xtensa: Make sure that tb->size != 0 
tb_gen_code() assumes that tb->size must never be zero, otherwise it
may produce spurious exceptions. For xtensa this may happen when
decoding an unknown instruction, when handling a write into the
CCOUNT or CCOMPARE special register and when single-stepping the first
instruction of an exception handler.

Fix by pretending that the size of the respective translation block is
1 in all these cases.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Tested-by: Max Filippov <jcmvbkbc@gmail.com>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Message-Id: <20210416154939.32404-4-iii@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2021-05-20 14:19:30 +02:00
..
core-dc232b meson: rename included C source files to .c.inc 2020-08-21 06:18:30 -04:00
core-dc233c meson: rename included C source files to .c.inc 2020-08-21 06:18:30 -04:00
core-de212 meson: rename included C source files to .c.inc 2020-08-21 06:18:30 -04:00
core-de233_fpu target/xtensa: import de233_fpu core 2020-08-21 12:53:48 -07:00
core-dsp3400 target/xtensa: import DSP3400 core 2020-08-21 12:56:45 -07:00
core-fsf meson: rename included C source files to .c.inc 2020-08-21 06:18:30 -04:00
core-sample_controller meson: rename included C source files to .c.inc 2020-08-21 06:18:30 -04:00
core-test_kc705_be meson: rename included C source files to .c.inc 2020-08-21 06:18:30 -04:00
core-test_mmuhifi_c3 meson: rename included C source files to .c.inc 2020-08-21 06:18:30 -04:00
core-dc232b.c meson: rename included C source files to .c.inc 2020-08-21 06:18:30 -04:00
core-dc233c.c meson: rename included C source files to .c.inc 2020-08-21 06:18:30 -04:00
core-de212.c meson: rename included C source files to .c.inc 2020-08-21 06:18:30 -04:00
core-de233_fpu.c target/xtensa: import de233_fpu core 2020-08-21 12:53:48 -07:00
core-dsp3400.c target/xtensa: import DSP3400 core 2020-08-21 12:56:45 -07:00
core-fsf.c meson: rename included C source files to .c.inc 2020-08-21 06:18:30 -04:00
core-sample_controller.c meson: rename included C source files to .c.inc 2020-08-21 06:18:30 -04:00
core-test_kc705_be.c meson: rename included C source files to .c.inc 2020-08-21 06:18:30 -04:00
core-test_mmuhifi_c3.c meson: rename included C source files to .c.inc 2020-08-21 06:18:30 -04:00
cpu-param.h tcg: Split out target/arch/cpu-param.h 2019-06-10 07:03:34 -07:00
cpu-qom.h qom: Remove module_obj_name parameter from OBJECT_DECLARE* macros 2020-09-18 14:12:32 -04:00
cpu.c cpu: tcg_ops: move to tcg-cpu-ops.h, keep a pointer in CPUClass 2021-02-05 10:24:15 -10:00
cpu.h target/xtensa: add DFPU registers and opcodes 2020-08-21 12:48:15 -07:00
dbg_helper.c target/xtensa: Use env_cpu, env_archcpu 2019-06-10 07:03:42 -07:00
exc_helper.c qemu/atomic.h: rename atomic_ to qatomic_ 2020-09-23 16:07:44 +01:00
fpu_helper.c target/xtensa: implement FPU division and square root 2020-08-21 12:48:15 -07:00
gdbstub.c xtensa tcg cpus: Fix Lesser GPL version number 2020-11-15 16:40:15 +01:00
helper.c cpu: move cc->transaction_failed to tcg_ops 2021-02-05 10:24:14 -10:00
helper.h target/xtensa: implement FPU division and square root 2020-08-21 12:48:15 -07:00
import_core.sh target/xtensa: make xtensa_modules static on import 2021-04-03 08:52:18 -07:00
meson.build target/xtensa: fix meson.build rule for xtensa cores 2021-04-03 08:52:18 -07:00
mmu_helper.c target/xtensa: Use probe_access for itlb_hit_test 2020-01-15 15:13:09 -10:00
monitor.c hmp: Pass monitor to mon_get_cpu_env() 2020-11-13 12:45:51 +00:00
op_helper.c Do not include exec/address-spaces.h if it's not really necessary 2021-05-02 17:24:51 +02:00
overlay_tool.h target/xtensa: add DFPU registers and opcodes 2020-08-21 12:48:15 -07:00
translate.c target/xtensa: Make sure that tb->size != 0 2021-05-20 14:19:30 +02:00
win_helper.c target/xtensa: only rotate window in the retw helper 2019-02-28 04:43:22 -08:00
xtensa-isa-internal.h Clean up decorations and whitespace around header guards 2019-05-13 08:58:55 +02:00
xtensa-isa.c Clean up includes 2018-02-09 05:05:11 +01:00
xtensa-isa.h Use #include "..." for our own headers, <...> for others 2018-02-09 05:05:11 +01:00
xtensa-semi.c semihosting: Move include/hw/semihosting/ -> include/semihosting/ 2021-03-10 15:34:12 +00:00