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Move WindowServer to userspace.

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This is a monster patch that required changing a whole bunch of things.
There are performance and stability issues all over the place, but it works.
Pretty cool, I have to admit :^)
This commit is contained in:
Andreas Kling 2019-02-17 00:13:47 +01:00
parent 0b1b21d622
commit 640360e958
41 changed files with 325 additions and 463 deletions
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33
WindowServer/main.cpp
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@ -1,19 +1,19 @@
#include "Process.h"
#include <SharedGraphics/Font.h>
#include <WindowServer/WSScreen.h>
#include <WindowServer/WSWindowManager.h>
#include <WindowServer/WSMessageLoop.h>
#include <WindowServer/WSWindow.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
// NOTE: This actually runs as a kernel process.
// I'd like to change this eventually.
void WindowServer_main()
int main(int, char**)
{
WSMessageLoop::the().set_server_process(*current);
current->set_priority(Process::HighPriority);
dbgprintf("WindowServer starting...\n");
WSMessageLoop loop;
int bxvga_fd = current->sys$open("/dev/bxvga", O_RDWR);
int bxvga_fd = open("/dev/bxvga", O_RDWR);
ASSERT(bxvga_fd >= 0);
struct BXVGAResolution {
@ -21,24 +21,17 @@ void WindowServer_main()
int height;
};
BXVGAResolution resolution { 1024, 768 };
int rc = current->sys$ioctl(bxvga_fd, 1985, (int)&resolution);
int rc = ioctl(bxvga_fd, 1985, (int)&resolution);
ASSERT(rc == 0);
Syscall::SC_mmap_params params;
memset(&params, 0, sizeof(params));
params.fd = bxvga_fd;
params.prot = PROT_READ | PROT_WRITE;
params.flags = MAP_SHARED;
params.size = resolution.width * resolution.height * sizeof(RGBA32) * 2;
params.offset = 0;
kprintf("Calling sys$mmap in WS\n");
void* framebuffer = current->sys$mmap(&params);
size_t framebuffer_size_in_bytes = resolution.width * resolution.height * sizeof(RGBA32) * 2;
void* framebuffer = mmap(nullptr, framebuffer_size_in_bytes, PROT_READ | PROT_WRITE, MAP_SHARED, bxvga_fd, 0);
ASSERT(framebuffer && framebuffer != (void*)-1);
WSScreen screen((dword*)framebuffer, resolution.width, resolution.height);
WSWindowManager::the().set_framebuffer_fd(bxvga_fd);
WSWindowManager window_manager;
window_manager.set_framebuffer_fd(bxvga_fd);
dbgprintf("Entering WindowServer main loop.\n");
WSMessageLoop::the().exec();