Jannis/BoredOS
1
0
Fork 0
mirror of https://github.com/JannisHeydemann/BoredOS.git synced 2026-05-30 02:16:58 +00:00
Code Issues Packages Projects Releases Wiki Activity

CHECKP: multi-thread applications

Browse Source
This commit is contained in:
boreddevnl
2026-03-18 17:04:10 +01:00
parent 9fb307e603
commit e95c82b162
14 changed files with 250 additions and 134 deletions
Download Patch File Download Diff File Expand all files Collapse all files

63
src/sys/syscall.c
View File

@@ -33,25 +33,10 @@ static inline void wrmsr(uint32_t msr, uint64_t value) {
asm volatile("wrmsr" : : "c"(msr), "a"(low), "d"(high));
}
// Implemented in assembly
extern void syscall_entry(void);
extern uint64_t kernel_syscall_stack;
extern void isr128_wrapper(void);
void syscall_init(void) {
void* stack = kmalloc(16384);
kernel_syscall_stack = (uint64_t)stack + 16384;
uint64_t efer = rdmsr(MSR_EFER);
efer |= 1; // SCE bit is bit 0
wrmsr(MSR_EFER, efer);
uint64_t star = ((uint64_t)0x08 << 32) | ((uint64_t)0x13 << 48);
wrmsr(MSR_STAR, star);
wrmsr(MSR_LSTAR, (uint64_t)syscall_entry);
wrmsr(MSR_FMASK, 0x200);
// SMP-Safe System Calls using int 0x80 (configured in idt.c)
}
static void user_window_close(Window *win) {
@@ -284,7 +269,7 @@ static uint64_t syscall_handler_inner(registers_t *regs) {
extern void graphics_set_render_target(uint32_t *buffer, int w, int h);
uint64_t rflags;
asm volatile("pushfq; pop %0; cli" : "=r"(rflags));
rflags = wm_lock_acquire();
if (win->pixels) {
// Strict user-to-window relative clamping
@@ -304,7 +289,7 @@ static uint64_t syscall_handler_inner(registers_t *regs) {
draw_rect(win->x + params[0], win->y + params[1], params[2], params[3], color);
}
asm volatile("push %0; popfq" : : "r"(rflags));
wm_lock_release(rflags);
}
} else if (cmd == GUI_CMD_DRAW_ROUNDED_RECT_FILLED) {
Window *win = (Window *)arg2;
@@ -318,7 +303,7 @@ static uint64_t syscall_handler_inner(registers_t *regs) {
extern void graphics_set_render_target(uint32_t *buffer, int w, int h);
uint64_t rflags;
asm volatile("pushfq; pop %0; cli" : "=r"(rflags));
rflags = wm_lock_acquire();
if (win->pixels) {
int rx = (int)params[0]; int ry = (int)params[1];
@@ -336,7 +321,7 @@ static uint64_t syscall_handler_inner(registers_t *regs) {
}
}
asm volatile("push %0; popfq" : : "r"(rflags));
wm_lock_release(rflags);
}
} else if (cmd == GUI_CMD_DRAW_STRING) {
Window *win = (Window *)arg2;
@@ -359,7 +344,7 @@ static uint64_t syscall_handler_inner(registers_t *regs) {
kernel_str[i] = 0;
uint64_t rflags;
asm volatile("pushfq; pop %0; cli" : "=r"(rflags));
rflags = wm_lock_acquire();
ttf_font_t *font = win->font ? (ttf_font_t*)win->font : graphics_get_current_ttf();
@@ -395,7 +380,7 @@ static uint64_t syscall_handler_inner(registers_t *regs) {
}
}
asm volatile("push %0; popfq" : : "r"(rflags));
wm_lock_release(rflags);
}
} else if (cmd == 10) { // GUI_CMD_DRAW_STRING_BITMAP
Window *win = (Window *)arg2;
@@ -418,7 +403,7 @@ static uint64_t syscall_handler_inner(registers_t *regs) {
kernel_str[i] = 0;
uint64_t rflags;
asm volatile("pushfq; pop %0; cli" : "=r"(rflags));
rflags = wm_lock_acquire();
if (win->pixels) {
if (ux >= -100 && ux < win->w && uy >= -100 && uy < (win->h - 20)) {
@@ -430,7 +415,7 @@ static uint64_t syscall_handler_inner(registers_t *regs) {
draw_string_bitmap(win->x + ux, win->y + uy, kernel_str, color);
}
asm volatile("push %0; popfq" : : "r"(rflags));
wm_lock_release(rflags);
}
} else if (cmd == 11) { // GUI_CMD_DRAW_STRING_SCALED
Window *win = (Window *)arg2;
@@ -457,7 +442,7 @@ static uint64_t syscall_handler_inner(registers_t *regs) {
kernel_str[i] = 0;
uint64_t rflags;
asm volatile("pushfq; pop %0; cli" : "=r"(rflags));
rflags = wm_lock_acquire();
ttf_font_t *font = win->font ? (ttf_font_t*)win->font : graphics_get_current_ttf();
@@ -493,7 +478,7 @@ static uint64_t syscall_handler_inner(registers_t *regs) {
}
}
asm volatile("push %0; popfq" : : "r"(rflags));
wm_lock_release(rflags);
}
} else if (cmd == 18) { // GUI_CMD_DRAW_STRING_SCALED_SLOPED
Window *win = (Window *)arg2;
@@ -530,7 +515,7 @@ static uint64_t syscall_handler_inner(registers_t *regs) {
kernel_str[i] = 0;
uint64_t rflags;
asm volatile("pushfq; pop %0; cli" : "=r"(rflags));
rflags = wm_lock_acquire();
ttf_font_t *font = win->font ? (ttf_font_t*)win->font : graphics_get_current_ttf();
@@ -568,7 +553,7 @@ static uint64_t syscall_handler_inner(registers_t *regs) {
}
}
asm volatile("push %0; popfq" : : "r"(rflags));
wm_lock_release(rflags);
}
} else if (cmd == GUI_CMD_DRAW_IMAGE) {
Window *win = (Window *)arg2;
@@ -579,7 +564,7 @@ static uint64_t syscall_handler_inner(registers_t *regs) {
for (int i = 0; i < 4; i++) params[i] = u_params[i];
uint64_t rflags;
asm volatile("pushfq; pop %0; cli" : "=r"(rflags));
rflags = wm_lock_acquire();
if (win->pixels) {
int rx = (int)params[0]; int ry = (int)params[1];
@@ -614,9 +599,10 @@ static uint64_t syscall_handler_inner(registers_t *regs) {
}
}
asm volatile("push %0; popfq" : : "r"(rflags));
wm_lock_release(rflags);
}
} else if (cmd == GUI_CMD_MARK_DIRTY) {
uint64_t rflags = wm_lock_acquire();
Window *win = (Window *)arg2;
uint64_t *u_params = (uint64_t *)arg3;
if (win && u_params) {
@@ -630,6 +616,7 @@ static uint64_t syscall_handler_inner(registers_t *regs) {
}
wm_mark_dirty(win->x + (int)params[0], win->y + (int)params[1], (int)params[2], (int)params[3]);
}
wm_lock_release(rflags);
} else if (cmd == GUI_CMD_GET_EVENT) {
Window *win = (Window *)arg2;
gui_event_t *ev_out = (gui_event_t *)arg3;
@@ -1184,7 +1171,7 @@ static uint64_t syscall_handler_inner(registers_t *regs) {
size_t total_used = stats.used_memory;
size_t user_used = 0;
for (int i = 0; i < 16; i++) {
if (processes[i].pid != 0xFFFFFFFF && processes[i].pid != 0) {
if (processes[i].pid != 0xFFFFFFFF && processes[i].pid != 0 && processes[i].is_user) {
user_used += processes[i].used_memory;
}
}
@@ -1192,13 +1179,19 @@ static uint64_t syscall_handler_inner(registers_t *regs) {
else processes[0].used_memory = 0;
int count = 0;
for (int i = 0; i < 16; i++) { // MAX_PROCESSES is 16
if (processes[i].pid != 0xFFFFFFFF) {
for (int i = 0; i < 16; i++) {
if (processes[i].pid != 0xFFFFFFFF && (processes[i].is_user || processes[i].pid == 0)) {
out[count].pid = processes[i].pid;
extern void mem_memcpy(void *dest, const void *src, size_t len);
mem_memcpy(out[count].name, processes[i].name, 64);
out[count].ticks = processes[i].ticks;
if (processes[i].pid == 0) {
out[count].name[0] = 'k'; out[count].name[1] = 'e'; out[count].name[2] = 'r';
out[count].name[3] = 'n'; out[count].name[4] = 'e'; out[count].name[5] = 'l';
out[count].name[6] = '\0';
}
out[count].ticks = processes[i].ticks;
out[count].used_memory = processes[i].used_memory;
count++;