[Midnightbsd-cvs] src: i386/xbox: Add xbox support files.
laffer1 at midnightbsd.org
laffer1 at midnightbsd.org
Fri Dec 12 22:00:39 EST 2008
Log Message:
-----------
Add xbox support files.
Added Files:
-----------
src/sys/i386/xbox:
pic16l.s (r1.1)
xbox.c (r1.1)
xboxfb.c (r1.1)
-------------- next part --------------
--- /dev/null
+++ sys/i386/xbox/xboxfb.c
@@ -0,0 +1,656 @@
+/*-
+ * Copyright (c) 2005, 2006 Rink Springer <rink at il.fontys.nl>
+ * 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. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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/cdefs.h>
+__FBSDID("$FreeBSD: src/sys/i386/xbox/xboxfb.c,v 1.5 2007/06/16 21:31:53 marius Exp $");
+
+/*
+ * This is the syscon(4)-ized version of the Xbox Frame Buffer driver. It
+ * supports about all features required, such as mouse support.
+ *
+ * A lot of functions that are not useful to us have not been implemented.
+ * It appears that some functions are never called, but these implementations
+ * are here nevertheless.
+ */
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <vm/vm_param.h>
+#include <sys/kernel.h>
+#include <sys/bus.h>
+#include <sys/cons.h>
+#include <sys/module.h>
+#include <sys/conf.h>
+#include <sys/consio.h>
+#include <sys/limits.h>
+#include <sys/tty.h>
+#include <sys/kbio.h>
+#include <sys/fbio.h>
+#include <dev/kbd/kbdreg.h>
+#include <vm/vm.h>
+#include <vm/pmap.h>
+#include <machine/bus.h>
+#include <machine/xbox.h>
+#include <machine/legacyvar.h>
+#include <dev/fb/fbreg.h>
+#include <dev/fb/gfb.h>
+#include <dev/syscons/syscons.h>
+
+struct xboxfb_softc {
+ video_adapter_t sc_va;
+
+ /* screen height (pixels) */
+ uint32_t sc_height;
+
+ /* screen width (pixels) */
+ uint32_t sc_width;
+
+ /* pointer to the actual XBOX video memory */
+ char* sc_framebuffer;
+
+ /* pointer to the font used */
+ const struct gfb_font* sc_font;
+};
+
+#define SCREEN_WIDTH 640
+#define SCREEN_HEIGHT 480
+
+#define XBOXFB_DRIVER_NAME "xboxsc"
+
+extern const struct gfb_font bold8x16;
+
+static vi_probe_t xboxfb_probe;
+static vi_init_t xboxfb_init;
+static vi_get_info_t xboxfb_get_info;
+static vi_query_mode_t xboxfb_query_mode;
+static vi_set_mode_t xboxfb_set_mode;
+static vi_save_font_t xboxfb_save_font;
+static vi_load_font_t xboxfb_load_font;
+static vi_show_font_t xboxfb_show_font;
+static vi_save_palette_t xboxfb_save_palette;
+static vi_load_palette_t xboxfb_load_palette;
+static vi_set_border_t xboxfb_set_border;
+static vi_save_state_t xboxfb_save_state;
+static vi_load_state_t xboxfb_load_state;
+static vi_set_win_org_t xboxfb_set_win_org;
+static vi_read_hw_cursor_t xboxfb_read_hw_cursor;
+static vi_set_hw_cursor_t xboxfb_set_hw_cursor;
+static vi_set_hw_cursor_shape_t xboxfb_set_hw_cursor_shape;
+static vi_blank_display_t xboxfb_blank_display;
+static vi_mmap_t xboxfb_mmap;
+static vi_ioctl_t xboxfb_ioctl;
+static vi_clear_t xboxfb_clear;
+static vi_fill_rect_t xboxfb_fill_rect;
+static vi_bitblt_t xboxfb_bitblt;
+static vi_diag_t xboxfb_diag;
+static vi_save_cursor_palette_t xboxfb_save_cursor_palette;
+static vi_load_cursor_palette_t xboxfb_load_cursor_palette;
+static vi_copy_t xboxfb_copy;
+static vi_putp_t xboxfb_putp;
+static vi_putc_t xboxfb_putc;
+static vi_puts_t xboxfb_puts;
+static vi_putm_t xboxfb_putm;
+
+static video_switch_t xboxvidsw = {
+ .probe = xboxfb_probe,
+ .init = xboxfb_init,
+ .get_info = xboxfb_get_info,
+ .query_mode = xboxfb_query_mode,
+ .set_mode = xboxfb_set_mode,
+ .save_font = xboxfb_save_font,
+ .load_font = xboxfb_load_font,
+ .show_font = xboxfb_show_font,
+ .save_palette = xboxfb_save_palette,
+ .load_palette = xboxfb_load_palette,
+ .set_border = xboxfb_set_border,
+ .save_state = xboxfb_save_state,
+ .load_state = xboxfb_load_state,
+ .set_win_org = xboxfb_set_win_org,
+ .read_hw_cursor = xboxfb_read_hw_cursor,
+ .set_hw_cursor = xboxfb_set_hw_cursor,
+ .set_hw_cursor_shape = xboxfb_set_hw_cursor_shape,
+ .blank_display = xboxfb_blank_display,
+ .mmap = xboxfb_mmap,
+ .ioctl = xboxfb_ioctl,
+ .clear = xboxfb_clear,
+ .fill_rect = xboxfb_fill_rect,
+ .bitblt = xboxfb_bitblt,
+ NULL,
+ NULL,
+ .diag = xboxfb_diag,
+ .save_cursor_palette = xboxfb_save_cursor_palette,
+ .load_cursor_palette = xboxfb_load_cursor_palette,
+ .copy = xboxfb_copy,
+ .putp = xboxfb_putp,
+ .putc = xboxfb_putc,
+ .puts = xboxfb_puts,
+ .putm = xboxfb_putm
+};
+
+static int xboxfb_configure(int flags);
+VIDEO_DRIVER(xboxsc, xboxvidsw, xboxfb_configure);
+
+static vr_init_t xbr_init;
+static vr_clear_t xbr_clear;
+static vr_draw_border_t xbr_draw_border;
+static vr_draw_t xbr_draw;
+static vr_set_cursor_t xbr_set_cursor;
+static vr_draw_cursor_t xbr_draw_cursor;
+static vr_blink_cursor_t xbr_blink_cursor;
+static vr_set_mouse_t xbr_set_mouse;
+static vr_draw_mouse_t xbr_draw_mouse;
+
+/*
+ * We use our own renderer; this is because we must emulate a hardware
+ * cursor.
+ */
+static sc_rndr_sw_t xboxrend = {
+ xbr_init,
+ xbr_clear,
+ xbr_draw_border,
+ xbr_draw,
+ xbr_set_cursor,
+ xbr_draw_cursor,
+ xbr_blink_cursor,
+ xbr_set_mouse,
+ xbr_draw_mouse
+};
+RENDERER(xboxsc, 0, xboxrend, gfb_set);
+
+static struct xboxfb_softc xboxfb_sc;
+
+/* color mappings, from dev/fb/creator.c */
+static const uint32_t cmap[] = {
+ 0x00000000, /* black */
+ 0x000000ff, /* blue */
+ 0x0000ff00, /* green */
+ 0x0000c0c0, /* cyan */
+ 0x00ff0000, /* red */
+ 0x00c000c0, /* magenta */
+ 0x00c0c000, /* brown */
+ 0x00c0c0c0, /* light grey */
+ 0x00808080, /* dark grey */
+ 0x008080ff, /* light blue */
+ 0x0080ff80, /* light green */
+ 0x0080ffff, /* light cyan */
+ 0x00ff8080, /* light red */
+ 0x00ff80ff, /* light magenta */
+ 0x00ffff80, /* yellow */
+ 0x00ffffff /* white */
+};
+
+/* mouse pointer from dev/syscons/scgfbrndr.c */
+static u_char mouse_pointer[16] = {
+ 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68,
+ 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00
+};
+
+static int
+xboxfb_init(int unit, video_adapter_t* adp, int flags)
+{
+ struct xboxfb_softc* sc = &xboxfb_sc;
+ video_info_t* vi;
+ int i;
+ int* iptr;
+
+ vi = &adp->va_info;
+
+ vid_init_struct (adp, XBOXFB_DRIVER_NAME, -1, unit);
+ sc->sc_height = SCREEN_HEIGHT;
+ sc->sc_width = SCREEN_WIDTH;
+ sc->sc_font = &bold8x16;
+ if (!(adp->va_flags & V_ADP_INITIALIZED)) {
+ /*
+ * We must make a mapping from video framebuffer memory
+ * to real. This is very crude: we map the entire
+ * videomemory to PAGE_SIZE! Since our kernel lives at
+ * it's relocated address range (0xc0xxxxxx), it won't
+ * care.
+ *
+ * We use address PAGE_SIZE and up so we can still trap
+ * NULL pointers. Once the real init is called, the
+ * mapping will be done via the OS and stored in a more
+ * sensible location ... but since we're not fully
+ * initialized, this is our only way to go :-(
+ */
+ for (i = 0; i < (XBOX_FB_SIZE / PAGE_SIZE); i++) {
+ pmap_kenter (((i + 1) * PAGE_SIZE), XBOX_FB_START + (i * PAGE_SIZE));
+ }
+ pmap_kenter ((i + 1) * PAGE_SIZE, XBOX_FB_START_PTR - XBOX_FB_START_PTR % PAGE_SIZE);
+ sc->sc_framebuffer = (char*)PAGE_SIZE;
+
+ /* ensure the framebuffer is where we want it to be */
+ *(uint32_t*)((i + 1) * PAGE_SIZE + XBOX_FB_START_PTR % PAGE_SIZE) = XBOX_FB_START;
+
+ /* clear the screen */
+ iptr = (uint32_t*)sc->sc_framebuffer;
+ for (i = 0; i < sc->sc_height * sc->sc_width; i++)
+ *iptr++ = cmap[0];
+
+ /* don't ever do this again! */
+ adp->va_flags |= V_ADP_INITIALIZED;
+ }
+
+ vi->vi_mode = M_TEXT_80x25;
+ vi->vi_cwidth = sc->sc_font->width;
+ vi->vi_cheight = sc->sc_font->height;
+ vi->vi_height = (sc->sc_height / vi->vi_cheight);
+ vi->vi_width = (sc->sc_width / vi->vi_cwidth);
+ vi->vi_flags = V_INFO_COLOR | V_INFO_LINEAR;
+ vi->vi_mem_model = V_INFO_MM_DIRECT;
+
+ adp->va_flags |= V_ADP_COLOR;
+
+ if (vid_register(adp) < 0)
+ return (ENXIO);
+
+ adp->va_flags |= V_ADP_REGISTERED;
+
+ return 0;
+}
+
+static int
+xboxfb_probe(int unit, video_adapter_t** adp, void* arg, int flags)
+{
+ return 0;
+}
+
+static int
+xboxfb_configure(int flags)
+{
+ struct xboxfb_softc* sc = &xboxfb_sc;
+
+ /* Don't init the framebuffer on non-XBOX-es */
+ if (!arch_i386_is_xbox)
+ return 0;
+
+ /*
+ * If we do only a probe, we are in such an early boot stadium
+ * that we cannot yet do a 'clean' initialization.
+ */
+ if (flags & VIO_PROBE_ONLY) {
+ xboxfb_init(0, &sc->sc_va, 0);
+ return 1;
+ }
+
+ /* Do a clean mapping of the framebuffer memory */
+ sc->sc_framebuffer = pmap_mapdev (XBOX_FB_START, XBOX_FB_SIZE);
+ return 1;
+}
+
+static void
+sc_identify(driver_t* driver, device_t parent)
+{
+ BUS_ADD_CHILD(parent, INT_MAX, SC_DRIVER_NAME, 0);
+}
+
+static int
+sc_probe(device_t dev)
+{
+ device_set_desc(dev, "XBox System console");
+ return (sc_probe_unit(device_get_unit(dev), device_get_flags(dev) | SC_AUTODETECT_KBD));
+}
+
+static int sc_attach(device_t dev)
+{
+ return (sc_attach_unit(device_get_unit(dev), device_get_flags(dev) | SC_AUTODETECT_KBD));
+}
+
+static device_method_t sc_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_identify, sc_identify),
+ DEVMETHOD(device_probe, sc_probe),
+ DEVMETHOD(device_attach, sc_attach),
+ { 0, 0 }
+};
+
+static driver_t xboxfb_sc_driver = {
+ SC_DRIVER_NAME,
+ sc_methods,
+ sizeof(sc_softc_t)
+};
+
+static devclass_t sc_devclass;
+
+DRIVER_MODULE(sc, legacy, xboxfb_sc_driver, sc_devclass, 0, 0);
+
+static void
+xbr_init(scr_stat* scp)
+{
+}
+
+static void
+xbr_clear(scr_stat* scp, int c, int attr)
+{
+}
+
+static void
+xbr_draw_border(scr_stat* scp, int color)
+{
+}
+
+static void
+xbr_draw(scr_stat* scp, int from, int count, int flip)
+{
+ video_adapter_t* adp = scp->sc->adp;
+ int i, c, a;
+
+ if (!flip) {
+ /* Normal printing */
+ (*vidsw[scp->sc->adapter]->puts)(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count);
+ } else {
+ /* This is for selections and such: invert the color attribute */
+ for (i = count; i-- > 0; ++from) {
+ c = sc_vtb_getc(&scp->vtb, from);
+ a = sc_vtb_geta(&scp->vtb, from) >> 8;
+ (*vidsw[scp->sc->adapter]->putc)(adp, from, c, (a >> 4) | ((a & 0xf) << 4));
+ }
+ }
+}
+
+static void
+xbr_set_cursor(scr_stat* scp, int base, int height, int blink)
+{
+}
+
+static void
+xbr_draw_cursor(scr_stat* scp, int at, int blink, int on, int flip)
+{
+ struct xboxfb_softc* sc = &xboxfb_sc;
+ video_adapter_t* adp = scp->sc->adp;
+ uint32_t* ptri = (uint32_t*)sc->sc_framebuffer;
+ int row, col, i, j;
+
+ if (scp->curs_attr.height <= 0)
+ return;
+
+ /* calculate the coordinates in the video buffer */
+ row = (at / adp->va_info.vi_width) * adp->va_info.vi_cheight;
+ col = (at % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
+ ptri += (row * sc->sc_width) + col;
+
+ /* our cursor consists of simply inverting the char under it */
+ for (i = 0; i < adp->va_info.vi_cheight; i++) {
+ for (j = 0; j < adp->va_info.vi_cwidth; j++) {
+ *ptri++ ^= 0x00FFFFFF;
+ }
+ ptri += (sc->sc_width - adp->va_info.vi_cwidth);
+ }
+}
+
+static void
+xbr_blink_cursor(scr_stat* scp, int at, int flip)
+{
+}
+
+static void
+xbr_set_mouse(scr_stat* scp)
+{
+}
+
+static void
+xbr_draw_mouse(scr_stat* scp, int x, int y, int on)
+{
+ (*vidsw[scp->sc->adapter]->putm)(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8);
+
+}
+
+static int
+xboxfb_get_info(video_adapter_t *adp, int mode, video_info_t *info)
+{
+ bcopy(&adp->va_info, info, sizeof(*info));
+ return (0);
+}
+
+static int
+xboxfb_query_mode(video_adapter_t *adp, video_info_t *info)
+{
+ return (ENODEV);
+}
+
+static int
+xboxfb_set_mode(video_adapter_t *adp, int mode)
+{
+ return (0);
+}
+
+static int
+xboxfb_save_font(video_adapter_t *adp, int page, int size, int width,
+ u_char *data, int c, int count)
+{
+ return (ENODEV);
+}
+
+static int
+xboxfb_load_font(video_adapter_t *adp, int page, int size, int width,
+ u_char *data, int c, int count)
+{
+ return (ENODEV);
+}
+
+static int
+xboxfb_show_font(video_adapter_t *adp, int page)
+{
+ return (ENODEV);
+}
+
+static int
+xboxfb_save_palette(video_adapter_t *adp, u_char *palette)
+{
+ return (ENODEV);
+}
+
+static int
+xboxfb_load_palette(video_adapter_t *adp, u_char *palette)
+{
+ return (ENODEV);
+}
+
+static int
+xboxfb_set_border(video_adapter_t *adp, int border)
+{
+ return (0);
+}
+
+static int
+xboxfb_save_state(video_adapter_t *adp, void *p, size_t size)
+{
+ return (ENODEV);
+}
+
+static int
+xboxfb_load_state(video_adapter_t *adp, void *p)
+{
+ return (ENODEV);
+}
+
+static int
+xboxfb_set_win_org(video_adapter_t *adp, off_t offset)
+{
+ return (ENODEV);
+}
+
+static int
+xboxfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
+{
+ *col = 0;
+ *row = 0;
+ return (0);
+}
+
+static int
+xboxfb_set_hw_cursor(video_adapter_t *adp, int col, int row)
+{
+ return (ENODEV);
+}
+
+static int
+xboxfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
+ int celsize, int blink)
+{
+ return (ENODEV);
+}
+
+static int
+xboxfb_blank_display(video_adapter_t *adp, int mode)
+{
+ return (0);
+}
+
+static int
+xboxfb_mmap(video_adapter_t *adp, vm_offset_t offset, vm_paddr_t *paddr,
+ int prot)
+{
+ return (EINVAL);
+}
+
+static int
+xboxfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
+{
+ return (fb_commonioctl(adp, cmd, data));
+}
+
+static int
+xboxfb_clear(video_adapter_t *adp)
+{
+ return (0);
+}
+
+static int
+xboxfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
+{
+ return (0);
+}
+
+static int
+xboxfb_bitblt(video_adapter_t *adp, ...)
+{
+ return (ENODEV);
+}
+
+static int
+xboxfb_diag(video_adapter_t *adp, int level)
+{
+ video_info_t info;
+
+ fb_dump_adp_info(adp->va_name, adp, level);
+ xboxfb_get_info(adp, 0, &info);
+ fb_dump_mode_info(adp->va_name, adp, &info, level);
+ return (0);
+}
+
+static int
+xboxfb_save_cursor_palette(video_adapter_t *adp, u_char *palette)
+{
+ return (ENODEV);
+}
+
+static int
+xboxfb_load_cursor_palette(video_adapter_t *adp, u_char *palette)
+{
+ return (ENODEV);
+}
+
+static int
+xboxfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
+{
+ return (ENODEV);
+}
+
+static int
+xboxfb_putp(video_adapter_t *adp, vm_offset_t off, u_int32_t p, u_int32_t a,
+ int size, int bpp, int bit_ltor, int byte_ltor)
+{
+ return (ENODEV);
+}
+
+static int
+xboxfb_putc(video_adapter_t *adp, vm_offset_t off, u_int8_t c, u_int8_t a)
+{
+ int row, col;
+ int i, j;
+ struct xboxfb_softc* sc = &xboxfb_sc;
+ uint32_t* ptri = (uint32_t*)sc->sc_framebuffer;
+ const uint8_t* fontdata;
+ uint32_t clr;
+ uint8_t mask;
+
+ /* calculate the position in the frame buffer */
+ row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
+ col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
+ fontdata = &sc->sc_font->data[c * adp->va_info.vi_cheight];
+ ptri += (row * sc->sc_width) + col;
+
+ /* Place the character on the screen, pixel by pixel */
+ for (j = 0; j < adp->va_info.vi_cheight; j++) {
+ mask = 0x80;
+ for (i = 0; i < adp->va_info.vi_cwidth; i++) {
+ clr = (*fontdata & mask) ? cmap[a & 0xf] : cmap[(a >> 4) & 0xf];
+ *ptri++ = clr;
+ mask >>= 1;
+ }
+ ptri += (sc->sc_width - adp->va_info.vi_cwidth);
+ fontdata++;
+ }
+ return (0);
+}
+
+static int
+xboxfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++) {
+ (*vidsw[adp->va_index]->putc)(adp, off + i, s[i] & 0xff,
+ (s[i] & 0xff00) >> 8);
+ }
+ return (0);
+}
+
+static int
+xboxfb_putm(video_adapter_t *adp, int x, int y, u_int8_t *pixel_image,
+ u_int32_t pixel_mask, int size, int width)
+{
+ struct xboxfb_softc* sc = &xboxfb_sc;
+ uint32_t* ptri = (uint32_t*)sc->sc_framebuffer;
+ int i, j;
+
+ if (x < 0 || y < 0 || x + width > sc->sc_width || y + (2 * size) > sc->sc_height)
+ return 0;
+
+ ptri += (y * sc->sc_width) + x;
+
+ /* plot the mousecursor wherever the user wants it */
+ for (j = 0; j < size; j++) {
+ for (i = width; i > 0; i--) {
+ if (pixel_image[j] & (1 << i))
+ *ptri = cmap[0xf];
+ ptri++;
+ }
+ ptri += (sc->sc_width - width);
+ }
+ return (0);
+}
--- /dev/null
+++ sys/i386/xbox/xbox.c
@@ -0,0 +1,85 @@
+/*-
+ * Copyright (c) 2005 Rink Springer
+ * 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. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ *
+ * $FreeBSD: src/sys/i386/xbox/xbox.c,v 1.4 2006/08/15 20:10:49 pav Exp $
+ */
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/eventhandler.h>
+#include <sys/reboot.h>
+#include <machine/xbox.h>
+#include <vm/vm.h>
+#include <vm/pmap.h>
+
+#ifndef I686_CPU
+#error You must have a I686_CPU in your kernel if you want to make an XBOX-compatible kernel
+#endif
+
+static void
+xbox_poweroff(void* junk, int howto)
+{
+ if (!(howto & RB_POWEROFF))
+ return;
+
+ pic16l_poweroff();
+}
+
+static void
+xbox_init(void)
+{
+ char* ptr;
+
+ if (!arch_i386_is_xbox)
+ return;
+
+ /* register our poweroff function */
+ EVENTHANDLER_REGISTER (shutdown_final, xbox_poweroff, NULL,
+ SHUTDOWN_PRI_LAST);
+
+ /*
+ * Some XBOX loaders, such as Cromwell, have a flaw which cause the
+ * nve(4) driver to fail attaching to the NIC.
+ *
+ * This is because they leave the NIC running; this will cause the
+ * Nvidia driver to fail as the NIC does not return any sensible
+ * values and thus fails attaching (using an error 0x5, this means
+ * it cannot find a valid PHY)
+ *
+ * We bluntly tell the NIC to stop whatever it's doing; this makes
+ * nve(4) attach correctly. As the NIC always resides at
+ * 0xfef00000-0xfef003ff on an XBOX, we simply hardcode this address.
+ */
+ ptr = pmap_mapdev (0xfef00000, 0x400);
+ *(uint32_t*)(ptr + 0x188) = 0; /* clear adapter control field */
+ pmap_unmapdev ((vm_offset_t)ptr, 0x400);
+}
+
+/*
+ * This must be called before the drivers, as the if_nve(4) driver will fail
+ * if we do not do this in advance.
+ */
+SYSINIT(xbox, SI_SUB_DRIVERS, SI_ORDER_FIRST, xbox_init, NULL)
--- /dev/null
+++ sys/i386/xbox/pic16l.s
@@ -0,0 +1,202 @@
+/*-
+ * Copyright (c) 2005 Rink Springer
+ * 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. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ *
+ * $FreeBSD: src/sys/i386/xbox/pic16l.s,v 1.1 2005/11/09 03:55:40 imp Exp $
+ */
+#include <machine/asmacros.h>
+
+.text
+
+/*
+ * send a command to the PIC16L
+ *
+ * void pic16l_setbyte (int addr, int reg, int data)
+ *
+ */
+ENTRY(pic16l_setbyte)
+ push %ebp
+ mov %esp,%ebp
+
+ push %ebx
+
+ movw $0xc000,%dx
+
+1: xor %eax,%eax
+ inw %dx,%ax
+ shr $0x0b,%eax
+ and $0x01,%eax
+ test %eax,%eax
+ jne 1b
+
+ mov $50,%ecx
+2: movw $0xc004,%dx
+ movl 0x8(%ebp),%eax
+ outb %al,%dx
+ movw $0xc008,%dx
+ movl 0xc(%ebp),%eax
+ outb %al,%dx
+ movw $0xc006,%dx
+ movl 0x10(%ebp),%eax
+ outw %ax,%dx
+
+ movw $0xc000,%dx
+ inw %dx,%ax
+ outw %ax,%dx
+
+ movw $0xc002,%dx
+ movb $0x1a,%al
+ outb %al,%dx
+
+ movw $0xc000,%dx
+3:
+ inb %dx,%al
+ movb %al,%bl
+ orb $0x36,%al
+ jz 3b
+
+ orb $0x10,%bl
+ jnz 5f
+
+4:
+ push %ecx
+ xor %ecx,%ecx
+l: loop l
+ pop %ecx
+
+ dec %ecx
+ jz 5f
+ jmp 2b
+5:
+
+ pop %ebx
+
+ leave
+ ret
+
+/*
+ * instructs the pic16l to reboot the xbox
+ *
+ * void pic16l_reboot();
+ *
+ */
+ENTRY(pic16l_reboot)
+ pushl $0x01
+ pushl $0x02
+ pushl $0x20
+ call pic16l_setbyte
+ addl $12,%esp
+ ret
+
+/*
+ * instructs the pic16l to power-off the xbox
+ *
+ * void pic16l_poweroff();
+ *
+ */
+ENTRY(pic16l_poweroff)
+ pushl $0x80
+ pushl $0x02
+ pushl $0x20
+ call pic16l_setbyte
+ addl $12,%esp
+ ret
+
+pic16l_ledhlp:
+ movw $0xc000,%dx
+1: xor %eax,%eax
+ inw %dx,%ax
+ shr $0x0b,%eax
+ and $0x01,%eax
+ test %eax,%eax
+ jne 1b
+
+ mov $400,%ecx
+
+2:
+ movw $0xc004,%dx
+ movb $0x20,%al
+ outb %al,%dx
+
+ movw $0xc008,%dx
+ movb %bh,%al
+ outb %al,%dx
+
+ movw $0xc006,%dx
+ movb %bl,%al
+ outb %al,%dx
+
+ movw $0xc000,%dx
+ inw %dx,%ax
+ outw %ax,%dx
+
+ movw $0xc002,%dx
+ movb $0x1a,%al
+ outb %al,%dx
+
+ movw $0xc000,%dx
+3:
+ inb %dx,%al
+ movb %al,%bl
+ orb $0x36,%al
+ jz 3b
+
+ orb $0x10,%bl
+ jz 4f
+
+ ret
+
+4:
+ push %ecx
+ xor %ecx,%ecx
+l2: loop l2
+ pop %ecx
+ dec %ecx
+ jz 5f
+ jmp 2b
+5:
+ ret
+
+/*
+ * changes the front led
+ *
+ * void pic16l_setled (int val);
+ */
+ENTRY(pic16l_setled)
+ push %ebp
+ mov %esp,%ebp
+
+ push %ebx
+
+ movl 0x8(%ebp),%ebx
+ orl $0x800,%ebx
+ call pic16l_ledhlp
+ movl $0x701,%ebx
+ call pic16l_ledhlp
+
+ pop %ebx
+
+ leave
+ ret
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