Formating tweaks overall
This commit is contained in:
parent
8dd5e81399
commit
ba85d9337d
4
.vscode/settings.json
vendored
4
.vscode/settings.json
vendored
@ -10,6 +10,6 @@
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"**/*.d": true,
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},
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"C_Cpp.default.includePath": ["src/kernel/include"],
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"C_Cpp.default.cStandard": "c2x",
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"C_Cpp.default.includePath": ["src/kernel/include", "sysroot/usr/include"],
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"C_Cpp.default.cStandard": "c17",
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}
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@ -10,9 +10,14 @@ int *position = (void *)0x20000;
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void thread1() {
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int a = 1;
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gfx_context *ctx = framebuffer_make_subcontext(&kernel_fb, 700, 300, 100, 100);
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gfx_context *ctx =
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framebuffer_make_subcontext(&kernel_fb, 700, 300, 100, 100);
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while(1) {
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putCharacter(term_fb, *position, *position, RGB(255,255,0), RGB(0,0,0), '0'+(a++%10));
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putCharacter(term_fb,
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*position, *position,
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RGB(255,255,0), RGB(0,0,0),
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'0'+(a++%10)
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);
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flip(term_fb);
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draw_line(ctx, 0, 100, 50, ((a-1)%100), RGB(0,0,0));
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draw_line(ctx, 0, 100, 50, (a%100), RGB(255,0,0));
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@ -24,7 +29,11 @@ void thread1() {
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void thread2() {
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int a = 0;
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while(1) {
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putCharacter(term_fb, *position, *position, RGB(0,255,255), RGB(0,0,0), 'A'+(a++%10));
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putCharacter(term_fb,
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*position, *position,
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RGB(0,255,255), RGB(0,0,0),
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'A'+(a++%10)
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);
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flip(term_fb);
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sched_yield();
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}
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@ -28,7 +28,8 @@ void kmain(uint64_t multiboot_magic, void *multiboot_data) {
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multiboot_init(multiboot_magic, P2V(multiboot_data));
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debug_info("Kernel loaded with command line: \"%s\" by <%s>\n",
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kernel_boot_data.commandline,
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kernel_boot_data.bootloader);
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kernel_boot_data.bootloader
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);
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early_cpu_init();
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debug_info("Set up boot CPU\n");
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@ -59,7 +59,8 @@ static int parse_multiboot2(struct taglist *tags) {
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break;
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}
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// Tags are 8 byte alligned, so make sure we look for the next one in the right place
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// Tags are 8 byte alligned, so make sure we look for the next one
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// in the right place
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int padded_size = tag->size + ((tag->size % 8)?(8-(tag->size%8)):0);
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tag = incptr(tag, padded_size);
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}
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@ -77,7 +78,12 @@ int multiboot_init(uint64_t magic, void *mboot_info) {
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return 0;
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}
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int multiboot_get_memory_area(size_t index, uintptr_t *start, uintptr_t *end, uint32_t *type) {
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int multiboot_get_memory_area(
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size_t index,
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uintptr_t *start,
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uintptr_t *end,
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uint32_t *type
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) {
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if(index >= kernel_boot_data.mmap_len) return 1;
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struct mmap *mmap = kernel_boot_data.mmap;
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@ -91,22 +97,29 @@ int multiboot_get_memory_area(size_t index, uintptr_t *start, uintptr_t *end, ui
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}
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int multiboot_page_used(uintptr_t page) {
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#define within_page(st, l) (((uintptr_t)st + l) > page && (uintptr_t)st < (page + PAGE_SIZE))
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#define within_page(st, l) (((uintptr_t)st + l) > page && \
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(uintptr_t)st < (page + PAGE_SIZE))
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size_t fb_size = 0;
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uintptr_t fb_start = 0;
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if(kernel_boot_data.fbinfo) {
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fb_start = kernel_boot_data.fbinfo->framebuffer_addr;
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fb_size = kernel_boot_data.fbinfo->framebuffer_pitch*(kernel_boot_data.fbinfo->framebuffer_height + 1);
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fb_size = kernel_boot_data.fbinfo->framebuffer_pitch *
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(kernel_boot_data.fbinfo->framebuffer_height + 1);
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}
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if(
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within_page(kernel_boot_data.mboot_tags, kernel_boot_data.tags_length) ||
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within_page(kernel_boot_data.bootloader, strlen(kernel_boot_data.bootloader)) ||
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within_page(kernel_boot_data.commandline, strlen(kernel_boot_data.commandline)) ||
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within_page(kernel_boot_data.mboot_tags,
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kernel_boot_data.tags_length
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) ||
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within_page(kernel_boot_data.bootloader,
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strlen(kernel_boot_data.bootloader)
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) ||
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within_page(kernel_boot_data.commandline,
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strlen(kernel_boot_data.commandline)
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) ||
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within_page(kernel_boot_data.mmap, kernel_boot_data.mmap_size) ||
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within_page(fb_start, fb_size) ||
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0
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) {
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0) {
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return 1;
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}
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return 0;
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@ -4,7 +4,8 @@
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#include <string.h>
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#include <debug.h>
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// ACPI Specification https://uefi.org/sites/default/files/resources/ACPI_6_3_final_Jan30.pdf
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// ACPI Specification:
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// https://uefi.org/sites/default/files/resources/ACPI_6_3_final_Jan30.pdf
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struct rsdp { // 5.2.5.3
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char signature[8];
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@ -32,21 +33,18 @@ struct madt_field {
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uint8_t type;
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uint8_t length;
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union {
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// Processor Local APIC (5.2.12.2)
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struct {
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struct { // Processor Local APIC (5.2.12.2)
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uint8_t id;
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uint8_t apic;
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uint32_t flags;
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}__attribute__((packed)) lapic;
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// I/O APIC (5.2.12.3)
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struct {
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struct { // I/O APIC (5.2.12.3)
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uint8_t id;
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uint8_t reserved;
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uint32_t address;
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uint32_t base;
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}__attribute__((packed)) ioapic;
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// Interrupt source override (5.2.12.5)
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struct {
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struct { // Interrupt source override (5.2.12.5)
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uint8_t bus;
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uint8_t source;
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uint32_t interrupt;
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@ -65,8 +63,7 @@ struct madt_header {
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static void madt_parse(struct madt_header *madt, size_t length)
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{
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int cpu_i=0;
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for(
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struct madt_field *f = madt->fields;
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for(struct madt_field *f = madt->fields;
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(size_t)f <= (size_t)madt + length;
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f = incptr(f, f->length)
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) {
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@ -73,7 +73,11 @@ void irq_unmask(int irq) {
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void ioapic_init() {
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// Map ioapic offset into kernel memory
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vmm_set_page(kernel_P4, (uintptr_t)P2V(ioapic.addr), ioapic.addr, PAGE_PRESENT | PAGE_WRITE | PAGE_GLOBAL);
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vmm_set_page(kernel_P4,
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(uintptr_t)P2V(ioapic.addr),
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ioapic.addr,
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PAGE_PRESENT | PAGE_WRITE | PAGE_GLOBAL
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);
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union iored iored;
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for(int i = 0; i < 24; i++) {
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@ -88,7 +92,11 @@ void ioapic_init() {
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void apic_init() {
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// Map apic offset into kernel memory
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vmm_set_page(kernel_P4, (uintptr_t)P2V(APIC_BASE), APIC_BASE, PAGE_PRESENT | PAGE_WRITE | PAGE_GLOBAL);
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vmm_set_page(kernel_P4,
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(uintptr_t)P2V(APIC_BASE),
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APIC_BASE,
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PAGE_PRESENT | PAGE_WRITE | PAGE_GLOBAL
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);
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// Allow LAPIC to receive interrupts
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APIC_REG(APIC_SPURIOUS) = APIC_REG(APIC_SPURIOUS) | 0x100 | IRQ_SPURIOUS;
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@ -4,8 +4,10 @@
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struct cpu *cpus[16];
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struct ioapic ioapic = {0,0,0};
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uint8_t irq_redirects[MAX_IRQS] = \
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{0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23};
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uint8_t irq_redirects[MAX_IRQS] = {
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
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13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
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};
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#define PIC1_ADDR 0x20
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#define PIC2_ADDR 0xA0
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@ -62,7 +62,10 @@ registers *int_handler(registers *r) {
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case 6:
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debug_error("Invalid opcode\n");
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}
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debug_error("Interrupt number: %d, Error code: %d\n", r->int_no, r->err_code);
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debug_error("Interrupt number: %d, Error code: %d\n",
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r->int_no,
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r->err_code
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);
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PANIC("Unhandled interrupt\n");
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} else if(r->int_no < IRQ_BASE + MAX_IRQS) {
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debug_error("UNHANDLED IRQ\n");
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@ -16,32 +16,48 @@ void fbterm_flush(struct vga_cell *buffer) {
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int i = 0;
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for(int row = 0; row < VGA_ROWS; row++) {
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for(int col=0; col < VGA_COLS; col++) {
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putCharacter(term_fb, col*8, row*16, 0xebdbb2, 0x282828, (char)buffer[i++].c);
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putCharacter(term_fb,
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col*8, row*16,
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0xebdbb2, 0x282828,
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(char)buffer[i++].c
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);
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}
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}
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flip(term_fb);
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}
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void fbterm_init(struct fbinfo *fbinfo) {
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kernel_fb.width = fbinfo->framebuffer_width;
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kernel_fb.height = fbinfo->framebuffer_height;
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kernel_fb.bpp = fbinfo->framebuffer_bpp/8;
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kernel_fb.pitch = fbinfo->framebuffer_pitch/kernel_fb.bpp;
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kernel_fb.addr = P2V(fbinfo->framebuffer_addr);
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kernel_fb.size = fbinfo->framebuffer_pitch * (kernel_fb.height);
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kernel_fb = (gfx_context){
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.width = fbinfo->framebuffer_width,
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.height = fbinfo->framebuffer_height,
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.bpp = fbinfo->framebuffer_bpp/8,
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.pitch = fbinfo->framebuffer_pitch/(fbinfo->framebuffer_bpp/8),
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.addr = P2V(fbinfo->framebuffer_addr),
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.size = fbinfo->framebuffer_pitch * (fbinfo->framebuffer_height),
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};
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kernel_fb.buffer = calloc(1, kernel_fb.size);
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for(
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uintptr_t p = (uintptr_t)kernel_fb.addr;
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for(uintptr_t p = (uintptr_t)kernel_fb.addr;
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p < ((uintptr_t)kernel_fb.addr + kernel_fb.size);
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p += PAGE_SIZE
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) {
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vmm_set_page(kernel_P4, p, V2P(p), PAGE_GLOBAL | PAGE_WRITE | PAGE_PRESENT);
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vmm_set_page(kernel_P4,
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p,
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V2P(p),
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PAGE_GLOBAL | PAGE_WRITE | PAGE_PRESENT
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);
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}
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draw_rect(&kernel_fb, 20, 20, 8*VGA_COLS+8, 16*VGA_ROWS+8, RGB(255, 0, 0));
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draw_rect(&kernel_fb,
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20, 20,
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8*VGA_COLS+8, 16*VGA_ROWS+8,
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RGB(255, 0, 0)
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);
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flip(&kernel_fb);
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term_fb = framebuffer_make_subcontext(&kernel_fb, 24, 24, 8*VGA_COLS, 16*VGA_ROWS);
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term_fb = framebuffer_make_subcontext(&kernel_fb,
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24, 24,
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8*VGA_COLS, 16*VGA_ROWS
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);
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flip(term_fb);
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setup = 1;
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@ -21,8 +21,14 @@ static int terminal_type;
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static void scroll() {
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while(cursor >= VGA_SIZE) {
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memmove(buffer, &buffer[VGA_POS(1,0)], VGA_COLS*(VGA_ROWS-1)*sizeof(struct vga_cell));
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memset(&buffer[VGA_POS(VGA_ROWS-1, 0)], 0, VGA_COLS*sizeof(struct vga_cell));
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memmove(buffer,
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&buffer[VGA_POS(1,0)],
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VGA_COLS*(VGA_ROWS-1)*sizeof(struct vga_cell)
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);
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memset(&buffer[VGA_POS(VGA_ROWS-1, 0)],
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0,
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VGA_COLS*sizeof(struct vga_cell)
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);
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cursor -= VGA_COLS;
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}
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}
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@ -75,8 +81,7 @@ long k_ioctl(long fd, long cmd, long arg3, long, long, long) {
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}
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long k_writev(long fd, long iov, long iovcnt, long, long, long) {
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if(fd == 1)
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{
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if(fd == 1) {
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size_t len = 0;
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struct iovec *v = (void *) iov;
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for(int i = 0; i < iovcnt; i++) {
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@ -65,7 +65,9 @@ long syscall5(long num, long a1, long a2, long a3, long a4, long a5) {
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if(syscall_handlers[num])
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retval = syscall_handlers[num](a1, a2, a3, a4, a5, 0);
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else
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PANIC("Unknown syscall: %d(%x, %x, %x, %x, %x)\n", num, a1, a2, a3, a4, a5);
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PANIC("Unknown syscall: %d(%x, %x, %x, %x, %x)\n",
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num, a1, a2, a3, a4, a5
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);
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return retval;
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}
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@ -74,7 +76,9 @@ long syscall6(long num, long a1, long a2, long a3, long a4, long a5, long a6) {
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if(syscall_handlers[num])
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retval = syscall_handlers[num](a1, a2, a3, a4, a5, a6);
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else
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PANIC("Unknown syscall: %d(%x, %x, %x, %x, %x, %x)\n", num, a1, a2, a3, a4, a5, a6);
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PANIC("Unknown syscall: %d(%x, %x, %x, %x, %x, %x)\n",
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num, a1, a2, a3, a4, a5, a6
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);
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return retval;
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}
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|
@ -7,23 +7,38 @@ static long _mmap = KERNEL_MMAP;
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long k_brk(long brk, long, long, long, long, long) {
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if(brk) {
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while(_brk < brk) {
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vmm_set_page(kernel_P4, _brk, pmm_alloc(), PAGE_GLOBAL | PAGE_WRITE | PAGE_PRESENT);
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vmm_set_page(kernel_P4,
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_brk,
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pmm_alloc(),
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PAGE_GLOBAL | PAGE_WRITE | PAGE_PRESENT
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);
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_brk += PAGE_SIZE;
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}
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}
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return _brk;
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}
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long k_mmap(long addr, long length, long prot, long flags, long fd, long offset) {
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long k_mmap(
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long addr,
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long length,
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long prot,
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long flags,
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long fd,
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long offset
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) {
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(void)addr;
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(void)prot;
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(void)flags;
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(void)offset;
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if(fd != -1)
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PANIC("Unknown mmap request\n");
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long retval = _mmap;
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while(length > 0) {
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vmm_set_page(kernel_P4, _mmap, pmm_alloc(), PAGE_GLOBAL | PAGE_WRITE | PAGE_PRESENT);
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vmm_set_page(kernel_P4,
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_mmap, pmm_alloc(),
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PAGE_GLOBAL | PAGE_WRITE | PAGE_PRESENT
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);
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_mmap += PAGE_SIZE;
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length -= PAGE_SIZE;
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}
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|
@ -17,7 +17,6 @@
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static int P1_exists(uint64_t P4, uint64_t addr) {
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if (P4 && PRESENT(P4E(P4, addr)) && PRESENT(P3E(P4, addr)) && PRESENT(P2E(P4, addr)))
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return 1;
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return 0;
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|
@ -11,13 +11,22 @@
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#define STEP_X(ctx) 1
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#define STEP_Y(ctx) (ctx)->pitch
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void putpixel(gfx_context *ctx, uint64_t x, uint64_t y, uint32_t clr) {
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void putpixel(
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gfx_context *ctx,
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uint64_t x, uint64_t y,
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uint32_t clr
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) {
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if(x >= ctx->width || y >= ctx->height) return;
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uint32_t *fb = (uint32_t *)ctx->buffer;
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fb[PXL(ctx, x, y)] = clr;
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}
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void draw_line(gfx_context *ctx, uint64_t x0, uint64_t x1, uint64_t y0, uint64_t y1, uint32_t clr) {
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void draw_line(
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gfx_context *ctx,
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uint64_t x0, uint64_t x1,
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uint64_t y0, uint64_t y1,
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uint32_t clr
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) {
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int64_t dx = x1 > x0 ? x1 - x0 : x0 - x1;
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int64_t dy = y1 > y0 ? y1 - y0 : y0 - y1;
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int sx = x1 > x0 ? 1 : -1;
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@ -39,7 +48,12 @@ void draw_line(gfx_context *ctx, uint64_t x0, uint64_t x1, uint64_t y0, uint64_t
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}
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}
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void draw_rect(gfx_context *ctx, uint64_t x, uint64_t y, uint64_t width, uint64_t height, uint32_t clr) {
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void draw_rect(
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gfx_context *ctx,
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uint64_t x, uint64_t y,
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uint64_t width, uint64_t height,
|
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uint32_t clr
|
||||
) {
|
||||
uint32_t *fb = (uint32_t *)ctx->buffer;
|
||||
uint64_t l1 = PXL(ctx, x, y);
|
||||
uint64_t l2 = PXL(ctx, x, y + height);
|
||||
@ -57,7 +71,12 @@ void draw_rect(gfx_context *ctx, uint64_t x, uint64_t y, uint64_t width, uint64_
|
||||
}
|
||||
}
|
||||
|
||||
void fill_rect(gfx_context *ctx, uint64_t x, uint64_t y, uint64_t width, uint64_t height, uint32_t clr) {
|
||||
void fill_rect(
|
||||
gfx_context *ctx,
|
||||
uint64_t x, uint64_t y,
|
||||
uint64_t width, uint64_t height,
|
||||
uint32_t clr
|
||||
) {
|
||||
uint32_t *fb = (uint32_t *)ctx->buffer;
|
||||
uint64_t loc = PXL(ctx, x, y);
|
||||
for(uint64_t _y = 0; _y <= height; _y++) {
|
||||
@ -68,7 +87,12 @@ void fill_rect(gfx_context *ctx, uint64_t x, uint64_t y, uint64_t width, uint64_
|
||||
}
|
||||
}
|
||||
|
||||
void putCharacter(gfx_context *ctx, uint64_t x, uint64_t y, uint32_t clr_fg, uint32_t clr_bg, char c) {
|
||||
void putCharacter(
|
||||
gfx_context *ctx,
|
||||
uint64_t x, uint64_t y,
|
||||
uint32_t clr_fg, uint32_t clr_bg,
|
||||
char c
|
||||
) {
|
||||
unsigned char *chr = c ? font[(int)c-0x20]: font[0];
|
||||
if(x >= ctx->width || y >= ctx->height) return;
|
||||
uint32_t *fb = (uint32_t *)ctx->buffer;
|
||||
@ -86,11 +110,16 @@ void flip(gfx_context *ctx) {
|
||||
memcpy(
|
||||
incptr(ctx->addr, y*ctx->pitch*ctx->bpp),
|
||||
incptr(ctx->buffer, y*ctx->pitch*ctx->bpp),
|
||||
ctx->width*ctx->bpp);
|
||||
ctx->width*ctx->bpp
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
gfx_context *framebuffer_make_subcontext(gfx_context *ctx, uint64_t x, uint64_t y, uint64_t width, uint64_t height) {
|
||||
gfx_context *framebuffer_make_subcontext(
|
||||
gfx_context *ctx,
|
||||
uint64_t x, uint64_t y,
|
||||
uint64_t width, uint64_t height
|
||||
) {
|
||||
gfx_context *out = malloc(sizeof(gfx_context));
|
||||
uint64_t loc = y * ctx->pitch + x;
|
||||
|
||||
|
@ -24,10 +24,14 @@ static __inline long __syscall3(long n, long a1, long a2, long a3) {
|
||||
static __inline long __syscall4(long n, long a1, long a2, long a3, long a4) {
|
||||
return syscall4(n, a1, a2, a3, a4);
|
||||
}
|
||||
static __inline long __syscall5(long n, long a1, long a2, long a3, long a4, long a5) {
|
||||
static __inline long __syscall5(long n, long a1, long a2, long a3, long a4,
|
||||
long a5
|
||||
) {
|
||||
return syscall5(n, a1, a2, a3, a4, a5);
|
||||
}
|
||||
static __inline long __syscall6(long n, long a1, long a2, long a3, long a4, long a5, long a6) {
|
||||
static __inline long __syscall6(long n, long a1, long a2, long a3, long a4,
|
||||
long a5, long a6
|
||||
) {
|
||||
return syscall6(n, a1, a2, a3, a4, a5, a6);
|
||||
}
|
||||
|
||||
|
Loading…
x
Reference in New Issue
Block a user