diff options
Diffstat (limited to 'gitlab/issues/target_missing/host_missing/accel_missing/2307.toml')
| -rw-r--r-- | gitlab/issues/target_missing/host_missing/accel_missing/2307.toml | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/gitlab/issues/target_missing/host_missing/accel_missing/2307.toml b/gitlab/issues/target_missing/host_missing/accel_missing/2307.toml deleted file mode 100644 index 8b81b2276..000000000 --- a/gitlab/issues/target_missing/host_missing/accel_missing/2307.toml +++ /dev/null @@ -1,49 +0,0 @@ -id = 2307 -title = "QEMU Windows COM port filenames not recognized i.e. \\\\.\\COM19 or \\\\.\\CNCA0" -state = "opened" -created_at = "2024-04-24T12:54:33.755Z" -closed_at = "n/a" -labels = ["Chardev", "hostos: Windows"] -url = "https://gitlab.com/qemu-project/qemu/-/issues/2307" -host-os = "Windows 10" -host-arch = "x64" -qemu-version = "QEMU emulator version 8.1.0 (v8.1.0-12034-g129566d84e)" -guest-os = "n/a" -guest-arch = "n/a" -description = "n/a" -reproduce = """1. Run qemu-system-arm with the comand line above. -2. QEMU fails with `qemu-system-arm.exe: -gdb \\\\.\\CNCA8: '\\\\.\\CNCA8' is not a valid char driver` -3. ```qemu-system-arm.exe -machine mps2-an500 -gdb \\\\.\\COM19 -qemu-system-arm.exe: -gdb \\\\.\\COM19: '\\\\.\\COM19' is not a valid char driver -```""" -additional = """Windows allows COM ports numbered 10 and higher to be prefixed with a `\\\\.\\` escape as in `\\\\.\\COM17`. Such COM port assignments are not uncommon when a plurality of USB serial adapters. -Equally problematic are virtual COM port designations such as `\\\\.\\CNCA8` created by the Windows 10x64 driver package known as `com0com`: https://pete.akeo.ie/2011/07/com0com-signed-drivers.html - -Upon checking the source pulled from the Github mirror an initial fix was to simply modify /chardev/char.c, but this appears insufficient. Sadly. - -Please ask if more information is required. I am actively working on extending an existing QEMU machine emulation. A patch to fix this problem is below. Please comment if applicable. - -Jerry. - -``` -diff --git a/chardev/char.c b/chardev/char.c -index 3c43fb1278..7a3f342c72 100644 ---- a/chardev/char.c -+++ b/chardev/char.c -@@ -418,6 +418,13 @@ QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename, - qemu_opt_set(opts, "path", filename, &error_abort); - return opts; - } -+ // JME -+ if (strstart(filename, "\\\\\\\\.\\\\", NULL)) { -+ qemu_opt_set(opts, "backend", "serial", &error_abort); -+ qemu_opt_set(opts, "path", filename, &error_abort); -+ return opts; -+ } -+ - if (strstart(filename, "file:", &p)) { - qemu_opt_set(opts, "backend", "file", &error_abort); - qemu_opt_set(opts, "path", p, &error_abort); - -``` -/label ~"kind::Bug"""" |