From 8128b3e0798e6c7e5742fa9f85bf8a4bf90af94a Mon Sep 17 00:00:00 2001 From: Max Filippov Date: Fri, 12 May 2017 11:09:14 -0700 Subject: target/xtensa: support output to chardev console In semihosting mode QEMU allows guest to read and write host file descriptors directly, including descriptors 0..2, a.k.a. stdin, stdout and stderr. Sometimes it's desirable to have semihosting console controlled by -serial option, e.g. to connect it to network. Add semihosting console to xtensa-semi.c, open it in the 'sim' machine in the presence of -serial option and direct stdout and stderr to it when it's present. Signed-off-by: Max Filippov --- hw/xtensa/sim.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'hw/xtensa/sim.c') diff --git a/hw/xtensa/sim.c b/hw/xtensa/sim.c index b27e28d..5521e91 100644 --- a/hw/xtensa/sim.c +++ b/hw/xtensa/sim.c @@ -114,6 +114,9 @@ static void xtensa_sim_init(MachineState *machine) xtensa_create_memory_regions(&sysram, "xtensa.sysram"); } + if (serial_hds[0]) { + xtensa_sim_open_console(serial_hds[0]); + } if (kernel_filename) { uint64_t elf_entry; uint64_t elf_lowaddr; @@ -136,6 +139,7 @@ static void xtensa_sim_machine_init(MachineClass *mc) mc->is_default = true; mc->init = xtensa_sim_init; mc->max_cpus = 4; + mc->no_serial = 1; } DEFINE_MACHINE("sim", xtensa_sim_machine_init) -- cgit v1.1