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authorChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
commitd0c85e36e4de67af628d54e9ab577cc3fad7796a (patch)
treef8f784b0f04343b90516a338d6df81df3a85dfa2 /results/classifier/gemma3:12b/kernel/1850
parent7f4364274750eb8cb39a3e7493132fca1c01232e (diff)
downloadqemu-analysis-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz
qemu-analysis-d0c85e36e4de67af628d54e9ab577cc3fad7796a.zip
add deepseek and gemma results
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+
+AARCH64 Illegal Instruction (CurrentEL)
+Description of problem:
+While emulating Aarch64 in QEMU, whenever the instruction `CurrentEL` is executed,
+QEMU crashes with the following message.
+
+`qemu: uncaught target signal 4 (Illegal instruction) - core dumped
+Illegal instruction (core dumped)`
+
+I've tried both QEMU user space translation (qemu-aarch64-static) and QEMU emulation (qemu-system-aarch64),
+and both fail with the above message.
+
+C Code to reproduce bug, courtesy of https://github.com/cirosantilli/linux-kernel-module-cheat/blob/35684b1b7e0a04a68987056cb15abd97e3d2f0cc/baremetal/arch/aarch64/el.c
+```
+#include <stdio.h>
+#include <inttypes.h>
+
+int main(void) {
+        register uint64_t x0 __asm__ ("x0");
+	__asm__ ("mrs x0, CurrentEL;" : : : "%x0");
+	printf("%" PRIu64 "\n", x0 >> 2);
+	return 0;
+}
+```
+Steps to reproduce:
+1. Copy C code above into file.
+2. Compile code `gcc ./main.c --static`
+3. Execute elf bin `./a.out`
+Additional information:
+