Import hyra expt

6 files changed, 894 insertions, 0 deletions

diff --git a/sys/dev/acpi/acpi_init.c b/sys/dev/acpi/acpi_init.c
new file mode 100644
index 0000000..4c0ae1b
--- /dev/null
+++ b/sys/dev/acpi/acpi_init.c
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <sys/limine.h>
+#include <sys/syslog.h>
+#include <sys/panic.h>
+#include <dev/acpi/acpi.h>
+#include <dev/acpi/tables.h>
+#include <dev/acpi/acpivar.h>
+#include <vm/vm.h>
+#if defined(__x86_64__)
+#include <machine/hpet.h>
+#endif  /* __x86_64__ */
+
+#define pr_trace(fmt, ...) kprintf("acpi: " fmt, ##__VA_ARGS__)
+
+static struct acpi_root_sdt *root_sdt = NULL;
+static size_t root_sdt_entries = 0;
+static volatile struct limine_rsdp_request rsdp_req = {
+    .id = LIMINE_RSDP_REQUEST,
+    .revision = 0
+};
+
+static void
+acpi_init_hpet(void)
+{
+#if defined(__x86_64__)
+    if (hpet_init() != 0) {
+        panic("Could not init HPET\n");
+    }
+#endif
+}
+
+/*
+ * Writes out OEMID of ACPI header.
+ *
+ * @type: Type of structure (e.g RSDP)
+ * @oemid: OEMID of structure.
+ */
+static void
+acpi_print_oemid(const char *type, char oemid[OEMID_SIZE])
+{
+    if (type != NULL) {
+        pr_trace("%s OEMID: ", type);
+    }
+
+    for (size_t i = 0; i < OEMID_SIZE; ++i) {
+        kprintf(OMIT_TIMESTAMP "%c", oemid[i]);
+    }
+
+    kprintf(OMIT_TIMESTAMP "\n");
+}
+
+struct acpi_root_sdt *
+acpi_get_root_sdt(void)
+{
+    return root_sdt;
+}
+
+size_t
+acpi_get_root_sdt_len(void)
+{
+    return root_sdt_entries;
+}
+
+void
+acpi_init(void)
+{
+    struct acpi_rsdp *rsdp;
+
+    if (rsdp_req.response == NULL) {
+        panic("RSDP request has no response\n");
+    }
+
+    /* Fetch the RSDP */
+    rsdp = rsdp_req.response->address;
+    acpi_print_oemid("RSDP", rsdp->oemid);
+
+    /* Fetch the root SDT */
+    if (rsdp->revision >= 2) {
+        root_sdt = PHYS_TO_VIRT(rsdp->xsdt_addr);
+        pr_trace("Using XSDT as root SDT\n");
+    } else {
+        root_sdt = PHYS_TO_VIRT(rsdp->rsdt_addr);
+        pr_trace("Using RSDT as root SDT\n");
+    }
+
+    if (acpi_checksum(&root_sdt->hdr) != 0) {
+        panic("Root SDT checksum is invalid!\n");
+    }
+
+    root_sdt_entries = (root_sdt->hdr.length - sizeof(root_sdt->hdr)) / 4;
+    acpi_init_hpet();
+    acpi_init_madt();
+}
diff --git a/sys/dev/acpi/acpi_subr.c b/sys/dev/acpi/acpi_subr.c
new file mode 100644
index 0000000..7cf3287
--- /dev/null
+++ b/sys/dev/acpi/acpi_subr.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <dev/acpi/acpi.h>
+#include <dev/acpi/acpivar.h>
+#include <dev/acpi/tables.h>
+#include <vm/vm.h>
+#include <string.h>
+
+/*
+ * Compute the ACPI checksum of a header.
+ *
+ * @hdr: HDR to check.
+ *
+ * Must return zero to be a valid checksum!
+ */
+uint8_t
+acpi_checksum(struct acpi_header *hdr)
+{
+    uint8_t sum = 0;
+
+    for (int i = 0; i < hdr->length; ++i) {
+        sum += ((char *)hdr)[i];
+    }
+
+    return sum;
+}
+
+/*
+ * Looks up an ACPI table with a specific
+ * signature e.g "APIC" for MADT (if present).
+ *
+ * @query: The specific query to make e.g "APIC"
+ */
+void *
+acpi_query(const char *query)
+{
+    struct acpi_header *hdr;
+    struct acpi_root_sdt *root_sdt;
+    size_t root_sdt_len, signature_len;
+
+    root_sdt = acpi_get_root_sdt();
+    root_sdt_len = acpi_get_root_sdt_len();
+    signature_len = sizeof(hdr->signature);
+
+    for (size_t i = 0; i < root_sdt_len; ++i) {
+        hdr = (struct acpi_header *)PHYS_TO_VIRT(root_sdt->tables[i]);
+
+        if (memcmp(hdr->signature, query, signature_len) == 0) {
+            return (void *)hdr;
+        }
+    }
+
+    return NULL;
+}
diff --git a/sys/dev/cons/cons.c b/sys/dev/cons/cons.c
new file mode 100644
index 0000000..76f71a7
--- /dev/null
+++ b/sys/dev/cons/cons.c
@@ -0,0 +1,151 @@
+/*
+ * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/ascii.h>
+#include <dev/video/fbdev.h>
+#include <dev/cons/font.h>
+#include <dev/cons/cons.h>
+#include <string.h>
+
+struct cons_screen g_root_scr = {0};
+
+/*
+ * Render a character onto the screen.
+ *
+ * @scr: Screen to render to.
+ * @c: Char to render.
+ * @x: X position of char.
+ * @y: Y position of char.
+ */
+static void
+cons_render_char(struct cons_screen *scr, char c, uint32_t x, uint32_t y)
+{
+    size_t idx;
+    const uint8_t *glyph;
+
+    glyph = &CONS_FONT[(int)c*16];
+
+    for (uint32_t cy = 0; cy < FONT_HEIGHT; ++cy) {
+        for (uint32_t cx = 0; cx < FONT_WIDTH; ++cx) {
+            idx = fbdev_get_index(&scr->fbdev, x+FONT_WIDTH-cx, y+cy);
+            scr->fb_mem[idx] = ISSET(glyph[cy], BIT(cx)) ? scr->fg : scr->bg;
+        }
+    }
+}
+
+/*
+ * Clear the screen.
+ *
+ * @scr: Screen to clear.
+ * @bg: Color to clear it to.
+ */
+static void
+cons_clear_scr(struct cons_screen *scr, uint32_t bg)
+{
+    struct fbdev fbdev = scr->fbdev;
+
+    for (size_t i = 0; i < fbdev.height * fbdev.pitch; ++i) {
+        scr->fb_mem[i] = bg;
+    }
+}
+
+/*
+ * Handle a special character (e.g  "\t", "\n", etc)
+ *
+ * @scr: Screen to handle this on.
+ * @c: Char to handle.
+ *
+ * Returns 0 if handled, otherwise -1.
+ */
+static int
+cons_handle_special(struct cons_screen *scr, char c)
+{
+    switch (c) {
+    case ASCII_LF:
+        /* Make a newline */
+        scr->ch_col = 0;
+        ++scr->ch_row;
+        return 0;
+    }
+
+    return -1;
+}
+
+
+/*
+ * Put a character on the screen.
+ *
+ * @scr: Screen.
+ * @c: Character to draw.
+ */
+int
+cons_putch(struct cons_screen *scr, char c)
+{
+    if (scr->ch_col > scr->ncols) {
+        /* Make a newline as we past the max col */
+        scr->ch_col = 0;
+        ++scr->ch_row;
+    }
+
+    if (scr->ch_row > scr->nrows) {
+        /* Went over the screen size */
+        scr->ch_col = 0;
+        scr->ch_row = 0;
+        cons_clear_scr(scr, scr->bg);
+    }
+
+    /*
+     * If this is a special char that we can handle
+     * then handle it and return.
+     */
+    if (cons_handle_special(scr, c) == 0) {
+        return 0;
+    }
+
+    cons_render_char(scr, c, scr->ch_col * FONT_WIDTH,
+        scr->ch_row * FONT_HEIGHT);
+
+    ++scr->ch_col;
+    return 0;
+}
+
+void
+cons_init(void)
+{
+    struct fbdev fbdev = fbdev_get();
+
+    g_root_scr.fg = 0x00AA00;
+    g_root_scr.bg = 0x000000;
+    g_root_scr.fb_mem = fbdev.mem;
+    g_root_scr.nrows = fbdev.height / FONT_HEIGHT;
+    g_root_scr.ncols = fbdev.width / FONT_WIDTH;
+    g_root_scr.fbdev = fbdev;
+}
diff --git a/sys/dev/cons/font.c b/sys/dev/cons/font.c
new file mode 100644
index 0000000..027049b
--- /dev/null
+++ b/sys/dev/cons/font.c
@@ -0,0 +1,375 @@
+/*
+ * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <dev/cons/font.h>
+
+const uint8_t CONS_FONT[] = {
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x42, 0x81, 0x81, 0xa5, 0xa5, 0x81,
+  0x81, 0xa5, 0x99, 0x81, 0x42, 0x3c, 0x00, 0x00, 0x00, 0x3c, 0x7e, 0xff,
+  0xff, 0xdb, 0xdb, 0xff, 0xff, 0xdb, 0xe7, 0xff, 0x7e, 0x3c, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x6c, 0xfe, 0xfe, 0xfe, 0x7c, 0x7c, 0x38, 0x38, 0x10,
+  0x10, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x38, 0x38, 0x7c, 0x7c, 0xfe,
+  0x7c, 0x7c, 0x38, 0x38, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18,
+  0x3c, 0x3c, 0xdb, 0xff, 0xff, 0xdb, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x18, 0x3c, 0x7e, 0xff, 0xff, 0xff, 0x66, 0x18, 0x18,
+  0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x78,
+  0x78, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xe7, 0xc3, 0xc3, 0xe7, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0xcc, 0x84, 0x84, 0xcc, 0x78, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc3, 0x99, 0xbd,
+  0xbd, 0x99, 0xc3, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x1e,
+  0x0e, 0x1e, 0x32, 0x78, 0xcc, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x78, 0xcc, 0xcc, 0xcc, 0x78, 0x30, 0xfc, 0x30, 0x30,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x18, 0x1c, 0x1e, 0x16, 0x12,
+  0x10, 0x10, 0x70, 0xf0, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x30, 0x38, 0x2c,
+  0x26, 0x32, 0x3a, 0x2e, 0x26, 0x22, 0x62, 0xe2, 0xc6, 0x0e, 0x0c, 0x00,
+  0x00, 0x00, 0x00, 0x18, 0x18, 0xdb, 0x3c, 0xe7, 0x3c, 0xdb, 0x18, 0x18,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf8, 0xfe,
+  0xf8, 0xe0, 0xc0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
+  0x06, 0x0e, 0x3e, 0xfe, 0x3e, 0x0e, 0x06, 0x02, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x30, 0x78, 0xfc, 0x30, 0x30, 0x30, 0x30, 0x30, 0xfc, 0x78,
+  0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
+  0xcc, 0xcc, 0x00, 0xcc, 0xcc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xdb,
+  0xdb, 0xdb, 0xdb, 0x7b, 0x1b, 0x1b, 0x1b, 0x1b, 0x1b, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x7c, 0xc6, 0x60, 0x38, 0x6c, 0xc6, 0xc6, 0x6c, 0x38, 0x0c,
+  0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0xfe, 0xfe, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x78,
+  0xfc, 0x30, 0x30, 0x30, 0x30, 0x30, 0xfc, 0x78, 0x30, 0xfc, 0x00, 0x00,
+  0x00, 0x00, 0x30, 0x78, 0xfc, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30,
+  0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30,
+  0x30, 0x30, 0xfc, 0x78, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x18, 0x0c, 0xfe, 0xfe, 0x0c, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x60, 0xfe, 0xfe, 0x60, 0x30, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0,
+  0xc0, 0xc0, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x24, 0x66, 0xff, 0xff, 0x66, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x38, 0x38, 0x7c, 0x7c, 0xfe, 0xfe,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xfe, 0x7c, 0x7c,
+  0x38, 0x38, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x30, 0x78, 0x78, 0x78, 0x78, 0x30, 0x30, 0x30, 0x00, 0x30,
+  0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6c, 0x6c,
+  0x6c, 0xfe, 0x6c, 0x6c, 0x6c, 0xfe, 0x6c, 0x6c, 0x6c, 0x00, 0x00, 0x00,
+  0x00, 0x18, 0x18, 0x7c, 0xc6, 0xc0, 0xc0, 0x7c, 0x06, 0x06, 0xc6, 0x7c,
+  0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0x0c, 0x0c, 0x18, 0x38,
+  0x30, 0x60, 0x60, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c,
+  0x6c, 0x38, 0x30, 0x76, 0xde, 0xcc, 0xcc, 0xde, 0x76, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x18, 0x18, 0x18, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x30, 0x60, 0x60, 0x60, 0x60,
+  0x60, 0x60, 0x60, 0x30, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0x30,
+  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x30, 0x60, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x6c, 0x38, 0xfe, 0x38, 0x6c, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x7e,
+  0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x30, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x06,
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+  0x18, 0xd8, 0x70, 0x00, 0x00, 0x0c, 0x18, 0x30, 0x00, 0x7c, 0x06, 0x06,
+  0x7e, 0xc6, 0xc6, 0xc6, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x18, 0x30,
+  0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00,
+  0x00, 0x0c, 0x18, 0x30, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
+  0x7c, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x18, 0x30, 0x00, 0xc6, 0xc6, 0xc6,
+  0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x76, 0xdc, 0x00,
+  0x00, 0xdc, 0xe6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
+  0x76, 0xdc, 0x00, 0xc6, 0xc6, 0xe6, 0xf6, 0xfe, 0xde, 0xce, 0xc6, 0xc6,
+  0xc6, 0x00, 0x00, 0x00, 0x00, 0x78, 0xd8, 0xd8, 0x6c, 0x00, 0xfc, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c, 0x6c,
+  0x38, 0x00, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x18, 0x18, 0x00, 0x18, 0x18, 0x30, 0x60, 0xc0, 0xc6, 0xc6,
+  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0xfe, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0xfe, 0x06, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0xc0, 0xc2, 0xc6, 0xcc, 0xd8, 0x30, 0x60, 0xdc, 0x86, 0x0c,
+  0x18, 0x3e, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc2, 0xc6, 0xcc, 0xd8, 0x30,
+  0x66, 0xce, 0x9e, 0x3e, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30,
+  0x00, 0x30, 0x30, 0x30, 0x78, 0x78, 0x78, 0x78, 0x30, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x36, 0x6c, 0xd8, 0x6c, 0x36, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x6c, 0x36,
+  0x6c, 0xd8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x22, 0x88, 0x22, 0x88,
+  0x22, 0x88, 0x22, 0x88, 0x22, 0x88, 0x22, 0x88, 0x22, 0x88, 0x22, 0x88,
+  0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa,
+  0x55, 0xaa, 0x55, 0xaa, 0xdd, 0x77, 0xdd, 0x77, 0xdd, 0x77, 0xdd, 0x77,
+  0xdd, 0x77, 0xdd, 0x77, 0xdd, 0x77, 0xdd, 0x77, 0x18, 0x18, 0x18, 0x18,
+  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8, 0xf8, 0x18, 0x18, 0x18,
+  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8, 0xf8, 0x18,
+  0x18, 0xf8, 0xf8, 0x18, 0x18, 0x18, 0x18, 0x18, 0x36, 0x36, 0x36, 0x36,
+  0x36, 0x36, 0x36, 0xf6, 0xf6, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xfe, 0x36, 0x36, 0x36,
+  0x36, 0x36, 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xf8, 0x18,
+  0x18, 0xf8, 0xf8, 0x18, 0x18, 0x18, 0x18, 0x18, 0x36, 0x36, 0x36, 0x36,
+  0x36, 0xf6, 0xf6, 0x06, 0x06, 0xf6, 0xf6, 0x36, 0x36, 0x36, 0x36, 0x36,
+  0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+  0x36, 0x36, 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xfe, 0x06,
+  0x06, 0xf6, 0xf6, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+  0x36, 0xf6, 0xf6, 0x06, 0x06, 0xfe, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xfe, 0xfe, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8, 0xf8, 0x18,
+  0x18, 0xf8, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0xf8, 0xf8, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x1f, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff,
+  0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0xff, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x1f, 0x18, 0x18, 0x18,
+  0x18, 0x18, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff,
+  0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18,
+  0x18, 0x18, 0x18, 0xff, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+  0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x1f, 0x18, 0x18, 0x1f, 0x1f, 0x18,
+  0x18, 0x18, 0x18, 0x18, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x37,
+  0x37, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+  0x36, 0x37, 0x37, 0x30, 0x30, 0x3f, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x3f, 0x30, 0x30, 0x37, 0x37, 0x36,
+  0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xf7, 0xf7, 0x00,
+  0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0xff, 0xff, 0x00, 0x00, 0xf7, 0xf7, 0x36, 0x36, 0x36, 0x36, 0x36,
+  0x36, 0x36, 0x36, 0x36, 0x36, 0x37, 0x37, 0x30, 0x30, 0x37, 0x37, 0x36,
+  0x36, 0x36, 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00,
+  0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x36, 0x36, 0x36, 0x36,
+  0x36, 0xf7, 0xf7, 0x00, 0x00, 0xf7, 0xf7, 0x36, 0x36, 0x36, 0x36, 0x36,
+  0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xff,
+  0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x36, 0x36, 0x36,
+  0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x3f,
+  0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18,
+  0x18, 0x1f, 0x1f, 0x18, 0x18, 0x1f, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x1f, 0x18, 0x18, 0x1f, 0x1f, 0x18,
+  0x18, 0x18, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f,
+  0x3f, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+  0x36, 0x36, 0x36, 0xff, 0xff, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+  0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0xff, 0x18, 0x18, 0xff, 0xff, 0x18,
+  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8,
+  0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x1f, 0x1f, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0xf0, 0xf0, 0xf0,
+  0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0,
+  0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f,
+  0x0f, 0x0f, 0x0f, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x76, 0xd6, 0xdc, 0xc8, 0xc8, 0xdc, 0xd6, 0x76, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x78, 0xcc, 0xcc, 0xcc, 0xd8, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
+  0xd8, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0xfe, 0xc6, 0xc6, 0xc0, 0xc0, 0xc0,
+  0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x7e, 0xfe, 0x24, 0x24, 0x24, 0x24, 0x66, 0xc6, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0xfe, 0xfe, 0xc2, 0x60, 0x30, 0x18, 0x30, 0x60, 0xc2, 0xfe,
+  0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0xc8, 0xcc,
+  0xcc, 0xcc, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x76, 0x6c, 0x60, 0xc0, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x66, 0xfc, 0x98, 0x18, 0x18, 0x18, 0x18,
+  0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x30, 0x30, 0x78, 0xcc, 0xcc,
+  0xcc, 0x78, 0x30, 0x30, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c,
+  0xc6, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x38, 0x6c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x6c, 0x6c, 0x6c,
+  0xee, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0xcc, 0x60, 0x30, 0x78, 0xcc,
+  0xcc, 0xcc, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x76, 0xbb, 0x99, 0x99, 0xdd, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x02, 0x06, 0x3c, 0x6c, 0xce, 0xd6, 0xd6, 0xe6, 0x6c, 0x78,
+  0xc0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x30, 0x60, 0xc0, 0xc0, 0xfe,
+  0xc0, 0xc0, 0x60, 0x30, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c,
+  0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x00, 0xfe, 0x00, 0x00, 0xfe, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0xfc,
+  0x30, 0x30, 0x00, 0x00, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x60, 0x30, 0x18, 0x0c, 0x18, 0x30, 0x60, 0x00, 0xfc, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x18, 0x30, 0x60, 0xc0, 0x60, 0x30, 0x18, 0x00,
+  0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x36, 0x36, 0x30, 0x30, 0x30,
+  0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x18, 0x18, 0x18, 0x18,
+  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xd8, 0xd8, 0x70, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0xfc, 0x00, 0x30, 0x30, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x76, 0xdc, 0x00,
+  0x76, 0xdc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0xcc, 0xcc,
+  0xcc, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x0c, 0x0c,
+  0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0xcc, 0x6c, 0x3c, 0x1c, 0x0c, 0x00, 0x00,
+  0x00, 0xd8, 0xec, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c, 0x0c, 0x18, 0x30, 0x60, 0x7c,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x78, 0x78, 0x78, 0x78, 0x78, 0x78, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00
+};
diff --git a/sys/dev/timer.c b/sys/dev/timer.c
new file mode 100644
index 0000000..4293508
--- /dev/null
+++ b/sys/dev/timer.c
@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <dev/timer.h>
+
+/*
+ * When a timer on the machine has been registered
+ * to the Hyra kernel, they'll be added to the Hyra timer
+ * registry.
+ */
+static const struct timer *tmr_registry[TIMER_ID_COUNT] = { 0 };
+
+/*
+ * Returns true if the timer ID given
+ * is valid.
+ *
+ * @id: ID to verify.
+ */
+static inline bool
+is_timer_id_valid(timer_id_t id)
+{
+    return id < TIMER_ID_COUNT;
+}
+
+/*
+ * Adds timer on the machine to the timer registry. To be specific,
+ * this function writes information about the specific timer to the
+ * timer registry. However, it will not overwrite an entry. To do this
+ * you must use tmr_registry_overwrite(), of course with caution.
+ *
+ * @id: ID of timer to register.
+ * @tmr: Timer descriptor to register.
+ */
+tmrr_status_t
+register_timer(timer_id_t id, const struct timer *tmr)
+{
+    if (!is_timer_id_valid(id))
+        return TMRR_INVALID_TYPE;
+
+    if (tmr_registry[id] != NULL)
+        return TMRR_HAS_ENTRY;
+
+    tmr_registry[id] = tmr;
+    return TMRR_SUCCESS;
+}
+
+/*
+ * Overwrites an entry within the timer registery.
+ * Use with caution.
+ *
+ * @id: ID of entry to overwrite.
+ * @tmr: Timer descriptor to write.
+ */
+tmrr_status_t
+tmr_registry_overwrite(timer_id_t id, const struct timer *tmr)
+{
+    if (!is_timer_id_valid(id))
+        return TMRR_INVALID_TYPE;
+
+    tmr_registry[id] = tmr;
+    return TMRR_SUCCESS;
+}
+
+/*
+ * Requests a specific timer descriptor
+ * with a specific ID.
+ *
+ * @id: ID to request.
+ * @tmr_out: Pointer to memory that'll hold the
+ *           requested descriptor.
+ */
+tmrr_status_t
+req_timer(timer_id_t id, struct timer *tmr_out)
+{
+    if (!is_timer_id_valid(id))
+        return TMRR_INVALID_TYPE;
+
+    if (tmr_registry[id] == NULL)
+        return TMRR_EMPTY_ENTRY;
+
+    if (tmr_out == NULL)
+        return TMRR_INVALID_ARG;
+
+    *tmr_out = *tmr_registry[id];
+    return TMRR_SUCCESS;
+}
diff --git a/sys/dev/video/fbdev.c b/sys/dev/video/fbdev.c
new file mode 100644
index 0000000..81e0316
--- /dev/null
+++ b/sys/dev/video/fbdev.c
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <sys/limine.h>
+#include <dev/video/fbdev.h>
+
+#define FRAMEBUFFER \
+        framebuffer_req.response->framebuffers[0]
+
+static volatile struct limine_framebuffer_request framebuffer_req = {
+    .id = LIMINE_FRAMEBUFFER_REQUEST,
+    .revision = 0
+};
+
+struct fbdev
+fbdev_get(void)
+{
+    struct fbdev ret;
+
+    ret.mem = FRAMEBUFFER->address;
+    ret.width = FRAMEBUFFER->width;
+    ret.height = FRAMEBUFFER->height;
+    ret.pitch = FRAMEBUFFER->pitch;
+    return ret;
+}