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UserspaceEmulator: Convert virt$ioctl to use switch-case

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Rummskartoffel 2022-01-26 10:50:50 +01:00 committed by Andreas Kling
parent fcd97a3e19
commit 0c88a53d4c
Notes: sideshowbarker 2024-07-17 20:03:19 +09:00 
Author: https://github.com/Rummskartoffel
Commit: https://github.com/SerenityOS/serenity/commit/0c88a53d4c6
Pull-request: https://github.com/SerenityOS/serenity/pull/12180
1 changed files with 17 additions and 13 deletions
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30
Userland/DevTools/UserspaceEmulator/Emulator_syscalls.cpp
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@ -1107,7 +1107,8 @@ int Emulator::virt$get_dir_entries(int fd, FlatPtr buffer, ssize_t size)
int Emulator::virt$ioctl([[maybe_unused]] int fd, unsigned request, [[maybe_unused]] FlatPtr arg)
{
if (request == TIOCGWINSZ) {
switch (request) {
case TIOCGWINSZ: {
struct winsize ws;
int rc = syscall(SC_ioctl, fd, TIOCGWINSZ, &ws);
if (rc < 0)
@ -1115,10 +1116,9 @@ int Emulator::virt$ioctl([[maybe_unused]] int fd, unsigned request, [[maybe_unus
mmu().copy_to_vm(arg, &ws, sizeof(winsize));
return 0;
}
if (request == TIOCSPGRP) {
case TIOCSPGRP:
return syscall(SC_ioctl, fd, request, arg);
}
if (request == TCGETS) {
case TCGETS: {
struct termios termios;
int rc = syscall(SC_ioctl, fd, request, &termios);
if (rc < 0)
@ -1126,33 +1126,37 @@ int Emulator::virt$ioctl([[maybe_unused]] int fd, unsigned request, [[maybe_unus
mmu().copy_to_vm(arg, &termios, sizeof(termios));
return rc;
}
if (request == TCSETS || request == TCSETSF || request == TCSETSW) {
case TCSETS:
case TCSETSF:
case TCSETSW: {
struct termios termios;
mmu().copy_from_vm(&termios, arg, sizeof(termios));
return syscall(SC_ioctl, fd, request, &termios);
}
if (request == TIOCNOTTY || request == TIOCSCTTY) {
case TIOCNOTTY:
case TIOCSCTTY:
return syscall(SC_ioctl, fd, request, 0);
}
if (request == FB_IOCTL_GET_PROPERTIES) {
case FB_IOCTL_GET_PROPERTIES: {
size_t size = 0;
auto rc = syscall(SC_ioctl, fd, request, &size);
mmu().copy_to_vm(arg, &size, sizeof(size));
return rc;
}
if (request == FB_IOCTL_SET_HEAD_RESOLUTION) {
case FB_IOCTL_SET_HEAD_RESOLUTION: {
FBHeadResolution user_resolution;
mmu().copy_from_vm(&user_resolution, arg, sizeof(user_resolution));
auto rc = syscall(SC_ioctl, fd, request, &user_resolution);
mmu().copy_to_vm(arg, &user_resolution, sizeof(user_resolution));
return rc;
}
if (request == FB_IOCTL_SET_HEAD_VERTICAL_OFFSET_BUFFER) {
case FB_IOCTL_SET_HEAD_VERTICAL_OFFSET_BUFFER:
return syscall(SC_ioctl, fd, request, arg);
default:
reportln("Unsupported ioctl: {}", request);
dump_backtrace();
TODO();
}
reportln("Unsupported ioctl: {}", request);
dump_backtrace();
TODO();
VERIFY_NOT_REACHED();
}
int Emulator::virt$emuctl(FlatPtr arg1, FlatPtr arg2, FlatPtr arg3)