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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:07 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:17 +0200 |
| commit | 9260319e7411ff8281700a532caa436f40120ec4 (patch) | |
| tree | 2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues_text/target_missing/host_missing/accel_missing/1963 | |
| parent | 225caa38269323af1bfc2daadff5ec8bd930747f (diff) | |
| download | qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.tar.gz qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.zip | |
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Diffstat (limited to 'gitlab/issues_text/target_missing/host_missing/accel_missing/1963')
| -rw-r--r-- | gitlab/issues_text/target_missing/host_missing/accel_missing/1963 | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gitlab/issues_text/target_missing/host_missing/accel_missing/1963 b/gitlab/issues_text/target_missing/host_missing/accel_missing/1963 new file mode 100644 index 000000000..08d34929e --- /dev/null +++ b/gitlab/issues_text/target_missing/host_missing/accel_missing/1963 @@ -0,0 +1,28 @@ +EOF is not detected, when semihosting is reading from stdin +Description of problem: +QEMU hangs. +Steps to reproduce: +1. Run the program with stdin from a pipe. +Additional information: +The code is compiled from this source: +``` +#include <stdio.h> + +int main(int argc, char** argv) { + int i = -1; + int result = scanf("%d", &i); + printf("result = %d, i = %d\n", result, i); + return 0; +} +``` +compiled with GCC and picolibc: +``` +arm-none-eabi-gcc --specs=picolibc.specs -march=armv7-m ~/sources/picolibc/git/test-stdin.c -o test-stdin -lc -lsemihost --crt0=hosted -O0 -g +``` +[test-stdin](/uploads/dbd2650c8e0aaca353fd7630ac9c8440/test-stdin) +The execution hangs at semihosting SYS_READC(0x7) call: +``` + movs r0, #7 +(...) + bkpt #0xab +``` |