diff options
Diffstat (limited to 'tools/lguest/lguest.c')
| -rw-r--r-- | tools/lguest/lguest.c | 25 |
1 files changed, 1 insertions, 24 deletions
diff --git a/tools/lguest/lguest.c b/tools/lguest/lguest.c index 7cc1fed1094d..5d104321f70f 100644 --- a/tools/lguest/lguest.c +++ b/tools/lguest/lguest.c @@ -1079,23 +1079,6 @@ static void cleanup_devices(void) tcsetattr(STDIN_FILENO, TCSANOW, &orig_term); } -/*L:215 - * This is the generic routine we call when the Guest uses LHCALL_NOTIFY. - */ -static void handle_output(unsigned long addr) -{ - /* - * Early console write is done using notify on a nul-terminated string - * in Guest memory. It's also great for hacking debugging messages - * into a Guest. - */ - if (addr >= guest_limit) - errx(1, "Bad NOTIFY %#lx", addr); - - write(STDOUT_FILENO, from_guest_phys(addr), - strnlen(from_guest_phys(addr), guest_limit - addr)); -} - /*L:217 * We do PCI. This is mainly done to let us test the kernel virtio PCI * code. @@ -2662,14 +2645,8 @@ static void __attribute__((noreturn)) run_guest(void) /* We read from the /dev/lguest device to run the Guest. */ readval = pread(lguest_fd, ¬ify, sizeof(notify), cpu_id); - - /* One unsigned long means the Guest did HCALL_NOTIFY */ if (readval == sizeof(notify)) { - if (notify.trap == 0x1F) { - verbose("Notify on address %#08x\n", - notify.addr); - handle_output(notify.addr); - } else if (notify.trap == 13) { + if (notify.trap == 13) { verbose("Emulating instruction at %#x\n", getreg(eip)); emulate_insn(notify.insn); |