+2013-12-17 Vladimir Serbinenko <phcoder@gmail.com>
+
+ Implement XEN VFB support.
+
2013-12-17 Vladimir Serbinenko <phcoder@gmail.com>
Remove grub_bios_interrupt on coreboot.
else
enable_build_grub_mkfont=no
fi
-if test x"$enable_build_grub_mkfont" = xno && ( test "x$platform" = xqemu || test "x$platform" = xloongson || test "x$platform" = xqemu_mips || test "x$target_cpu"-"$platform" = xpowerpc-ieee1275 || test "x$platform" = xcoreboot ); then
- AC_MSG_ERROR([qemu, powerpc-ieee1275, coreboot and loongson ports needs build-time grub-mkfont])
+if test x"$enable_build_grub_mkfont" = xno && ( test "x$platform" = xqemu || test "x$platform" = xloongson || test "x$platform" = xqemu_mips || test "x$target_cpu"-"$platform" = xpowerpc-ieee1275 || test "x$platform" = xxen || test "x$platform" = xcoreboot ); then
+ AC_MSG_ERROR([qemu, powerpc-ieee1275, coreboot, xen and loongson ports needs build-time grub-mkfont])
fi
AC_SUBST([build_freetype_cflags])
FONT_SOURCE=
fi
-if test "x$FONT_SOURCE" = x && ( test "x$platform" = xqemu || test "x$platform" = xloongson || test "x$platform" = xqemu_mips || test "x$target_cpu"-"$platform" = xpowerpc-ieee1275 || test "x$platform" = xcoreboot ); then
- AC_MSG_ERROR([qemu, powerpc-ieee1275, coreboot and loongson ports need unifont])
+if test "x$FONT_SOURCE" = x && ( test "x$platform" = xqemu || test "x$platform" = xloongson || test "x$platform" = xqemu_mips || test "x$target_cpu"-"$platform" = xpowerpc-ieee1275 || test "x$platform" = xxen || test "x$platform" = xcoreboot ); then
+ AC_MSG_ERROR([qemu, powerpc-ieee1275, xen, coreboot and loongson ports need unifont])
fi
AC_SUBST([FONT_SOURCE])
GROUPS["usb"] = GROUPS["pci"]
# If gfxterm is main output console integrate it into kernel
-GROUPS["videoinkernel"] = ["mips_loongson", "i386_coreboot" ]
+GROUPS["videoinkernel"] = ["mips_loongson", "i386_coreboot" ] + GROUPS["xen"]
GROUPS["videomodules"] = GRUB_PLATFORMS[:];
for i in GROUPS["videoinkernel"]: GROUPS["videomodules"].remove(i)
KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/extcmd.h
KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/lib/arg.h
KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/loader.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/video.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/video_fb.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/gfxterm.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/font.h
+KERNEL_HEADER_FILES += $(top_builddir)/include/grub/keyboard_layouts.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/bufio.h
endif
if COND_x86_64_xen
KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/extcmd.h
KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/lib/arg.h
KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/loader.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/video.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/video_fb.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/gfxterm.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/font.h
+KERNEL_HEADER_FILES += $(top_builddir)/include/grub/keyboard_layouts.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/bufio.h
endif
if COND_x86_64_efi
xen = term/xen/console.c;
xen = disk/xen/xendisk.c;
xen = commands/boot.c;
+ xen = commands/keylayouts.c;
+ xen = video/xen/xenfb.c;
+ xen = term/xen/xen_kbd.c;
ia64_efi = kern/ia64/efi/startup.S;
ia64_efi = kern/ia64/efi/init.c;
#include <grub/i386/tsc.h>
#include <grub/term.h>
#include <grub/loader.h>
+#include <grub/keyboard_layouts.h>
+#include <grub/video.h>
grub_addr_t grub_modbase;
struct start_info *grub_xen_start_page_addr;
ret = grub_memalign (GRUB_XEN_PAGE_SIZE, GRUB_XEN_PAGE_SIZE);
if (!ret)
return NULL;
+ grub_memset (ret, 0, GRUB_XEN_PAGE_SIZE);
mfn = grub_xen_ptr2mfn (ret);
entry->full_page.pad0 = 0;
entry->full_page.frame = mfn;
grub_size_t dirlen = grub_strlen (dir) + 1;
char *resp;
+ grub_dprintf ("xen", "writing `%s'\n", dir);
+
grub_memset (&msg, 0, sizeof (msg));
msg.type = XS_WRITE;
msg.len = dirlen + len;
map_all_pages ();
+ grub_video_xen_init ();
+ grub_font_init ();
+ grub_gfxterm_init ();
+
+ grub_keylayouts_init ();
+ grub_xen_keyboard_init ();
+
grub_console_init ();
grub_tsc_init ();
grub_machine_fini (int flags __attribute__ ((unused)))
{
grub_xendisk_fini ();
+ grub_video_xen_fini ();
+ grub_xen_keyboard_fini ();
grub_boot_fini ();
}
case GRUB_VIDEO_DRIVER_IEEE1275:
case GRUB_VIDEO_DRIVER_COREBOOT:
/* Make gcc happy. */
+ case GRUB_VIDEO_DRIVER_XEN:
case GRUB_VIDEO_DRIVER_SDL:
case GRUB_VIDEO_DRIVER_NONE:
case GRUB_VIDEO_ADAPTER_CAPTURE:
grub_xen_mfn_t *new_mfn_list;
grub_size_t i;
+ grub_video_restore ();
+
if (grub_xen_n_allocated_shared_pages)
return grub_error (GRUB_ERR_BUG, "active grants");
void
grub_console_init (void)
{
- grub_term_register_input ("console", &grub_console_term_input);
- grub_term_register_output ("console", &grub_console_term_output);
+ grub_term_register_input_active ("console", &grub_console_term_input);
+ grub_term_register_output_active ("console", &grub_console_term_output);
grub_terminfo_init ();
grub_terminfo_output_register (&grub_console_term_output, "vt100-color");
--- /dev/null
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2007,2008,2009 Free Software Foundation, Inc.
+ *
+ * GRUB is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/dl.h>
+#include <grub/misc.h>
+#include <grub/term.h>
+#include <grub/keyboard_layouts.h>
+#include <grub/time.h>
+#include <grub/loader.h>
+#include <grub/xen.h>
+#include <xen/io/kbdif.h>
+
+GRUB_MOD_LICENSE ("GPLv3+");
+
+static short xen_keyboard_status = 0;
+
+static const grub_uint8_t mapping[128] =
+ {
+ /* 0x00 */ 0 /* Unused */, GRUB_KEYBOARD_KEY_ESCAPE,
+ /* 0x02 */ GRUB_KEYBOARD_KEY_1, GRUB_KEYBOARD_KEY_2,
+ /* 0x04 */ GRUB_KEYBOARD_KEY_3, GRUB_KEYBOARD_KEY_4,
+ /* 0x06 */ GRUB_KEYBOARD_KEY_5, GRUB_KEYBOARD_KEY_6,
+ /* 0x08 */ GRUB_KEYBOARD_KEY_7, GRUB_KEYBOARD_KEY_8,
+ /* 0x0a */ GRUB_KEYBOARD_KEY_9, GRUB_KEYBOARD_KEY_0,
+ /* 0x0c */ GRUB_KEYBOARD_KEY_DASH, GRUB_KEYBOARD_KEY_EQUAL,
+ /* 0x0e */ GRUB_KEYBOARD_KEY_BACKSPACE, GRUB_KEYBOARD_KEY_TAB,
+ /* 0x10 */ GRUB_KEYBOARD_KEY_Q, GRUB_KEYBOARD_KEY_W,
+ /* 0x12 */ GRUB_KEYBOARD_KEY_E, GRUB_KEYBOARD_KEY_R,
+ /* 0x14 */ GRUB_KEYBOARD_KEY_T, GRUB_KEYBOARD_KEY_Y,
+ /* 0x16 */ GRUB_KEYBOARD_KEY_U, GRUB_KEYBOARD_KEY_I,
+ /* 0x18 */ GRUB_KEYBOARD_KEY_O, GRUB_KEYBOARD_KEY_P,
+ /* 0x1a */ GRUB_KEYBOARD_KEY_LBRACKET, GRUB_KEYBOARD_KEY_RBRACKET,
+ /* 0x1c */ GRUB_KEYBOARD_KEY_ENTER, GRUB_KEYBOARD_KEY_LEFT_CTRL,
+ /* 0x1e */ GRUB_KEYBOARD_KEY_A, GRUB_KEYBOARD_KEY_S,
+ /* 0x20 */ GRUB_KEYBOARD_KEY_D, GRUB_KEYBOARD_KEY_F,
+ /* 0x22 */ GRUB_KEYBOARD_KEY_G, GRUB_KEYBOARD_KEY_H,
+ /* 0x24 */ GRUB_KEYBOARD_KEY_J, GRUB_KEYBOARD_KEY_K,
+ /* 0x26 */ GRUB_KEYBOARD_KEY_L, GRUB_KEYBOARD_KEY_SEMICOLON,
+ /* 0x28 */ GRUB_KEYBOARD_KEY_DQUOTE, GRUB_KEYBOARD_KEY_RQUOTE,
+ /* 0x2a */ GRUB_KEYBOARD_KEY_LEFT_SHIFT, GRUB_KEYBOARD_KEY_BACKSLASH,
+ /* 0x2c */ GRUB_KEYBOARD_KEY_Z, GRUB_KEYBOARD_KEY_X,
+ /* 0x2e */ GRUB_KEYBOARD_KEY_C, GRUB_KEYBOARD_KEY_V,
+ /* 0x30 */ GRUB_KEYBOARD_KEY_B, GRUB_KEYBOARD_KEY_N,
+ /* 0x32 */ GRUB_KEYBOARD_KEY_M, GRUB_KEYBOARD_KEY_COMMA,
+ /* 0x34 */ GRUB_KEYBOARD_KEY_DOT, GRUB_KEYBOARD_KEY_SLASH,
+ /* 0x36 */ GRUB_KEYBOARD_KEY_RIGHT_SHIFT, GRUB_KEYBOARD_KEY_NUMMUL,
+ /* 0x38 */ GRUB_KEYBOARD_KEY_LEFT_ALT, GRUB_KEYBOARD_KEY_SPACE,
+ /* 0x3a */ GRUB_KEYBOARD_KEY_CAPS_LOCK, GRUB_KEYBOARD_KEY_F1,
+ /* 0x3c */ GRUB_KEYBOARD_KEY_F2, GRUB_KEYBOARD_KEY_F3,
+ /* 0x3e */ GRUB_KEYBOARD_KEY_F4, GRUB_KEYBOARD_KEY_F5,
+ /* 0x40 */ GRUB_KEYBOARD_KEY_F6, GRUB_KEYBOARD_KEY_F7,
+ /* 0x42 */ GRUB_KEYBOARD_KEY_F8, GRUB_KEYBOARD_KEY_F9,
+ /* 0x44 */ GRUB_KEYBOARD_KEY_F10, GRUB_KEYBOARD_KEY_NUM_LOCK,
+ /* 0x46 */ GRUB_KEYBOARD_KEY_SCROLL_LOCK, GRUB_KEYBOARD_KEY_NUM7,
+ /* 0x48 */ GRUB_KEYBOARD_KEY_NUM8, GRUB_KEYBOARD_KEY_NUM9,
+ /* 0x4a */ GRUB_KEYBOARD_KEY_NUMMINUS, GRUB_KEYBOARD_KEY_NUM4,
+ /* 0x4c */ GRUB_KEYBOARD_KEY_NUM5, GRUB_KEYBOARD_KEY_NUM6,
+ /* 0x4e */ GRUB_KEYBOARD_KEY_NUMPLUS, GRUB_KEYBOARD_KEY_NUM1,
+ /* 0x50 */ GRUB_KEYBOARD_KEY_NUM2, GRUB_KEYBOARD_KEY_NUM3,
+ /* 0x52 */ GRUB_KEYBOARD_KEY_NUMDOT, GRUB_KEYBOARD_KEY_NUMDOT,
+ /* 0x54 */ 0, 0,
+ /* 0x56 */ GRUB_KEYBOARD_KEY_102ND, GRUB_KEYBOARD_KEY_F11,
+ /* 0x58 */ GRUB_KEYBOARD_KEY_F12, 0,
+ /* 0x5a */ 0, 0,
+ /* 0x5c */ 0, 0,
+ /* 0x5e */ 0, 0,
+ /* 0x60 */ 0, GRUB_KEYBOARD_KEY_RIGHT_CTRL,
+ /* 0x62 */ 0, 0,
+ /* 0x64 */ GRUB_KEYBOARD_KEY_RIGHT_ALT, 0,
+ /* 0x66 */ GRUB_KEYBOARD_KEY_HOME, GRUB_KEYBOARD_KEY_UP,
+ /* 0x68 */ GRUB_KEYBOARD_KEY_PPAGE, GRUB_KEYBOARD_KEY_LEFT,
+ /* 0x6a */ GRUB_KEYBOARD_KEY_RIGHT, GRUB_KEYBOARD_KEY_END,
+ /* 0x6c */ GRUB_KEYBOARD_KEY_DOWN, GRUB_KEYBOARD_KEY_NPAGE,
+ /* 0x6e */ GRUB_KEYBOARD_KEY_INSERT, GRUB_KEYBOARD_KEY_DELETE,
+ /* 0x70 */ 0, 0,
+ /* 0x72 */ 0, GRUB_KEYBOARD_KEY_JP_RO,
+ /* 0x74 */ 0, 0,
+ /* 0x76 */ 0, 0,
+ /* 0x78 */ 0, 0,
+ /* 0x7a */ 0, 0,
+ /* 0x7c */ 0, GRUB_KEYBOARD_KEY_JP_YEN,
+ /* 0x7e */ GRUB_KEYBOARD_KEY_KPCOMMA
+ };
+
+struct virtkbd
+{
+ int handle;
+ char *fullname;
+ char *backend_dir;
+ char *frontend_dir;
+ struct xenkbd_page *kbdpage;
+ grub_xen_grant_t grant;
+ grub_xen_evtchn_t evtchn;
+};
+
+struct virtkbd vkbd;
+
+static grub_xen_mfn_t
+grub_xen_ptr2mfn (void *ptr)
+{
+ grub_xen_mfn_t *mfn_list =
+ (grub_xen_mfn_t *) grub_xen_start_page_addr->mfn_list;
+ return mfn_list[(grub_addr_t) ptr >> GRUB_XEN_LOG_PAGE_SIZE];
+}
+
+static int
+fill (const char *dir, void *data __attribute__ ((unused)))
+{
+ domid_t dom;
+ /* "dir" is just a number, at most 19 characters. */
+ char fdir[200];
+ char num[20];
+ grub_err_t err;
+ void *buf;
+ struct evtchn_alloc_unbound alloc_unbound;
+
+ if (vkbd.kbdpage)
+ return 1;
+ vkbd.handle = grub_strtoul (dir, 0, 10);
+ if (grub_errno)
+ {
+ grub_errno = 0;
+ return 0;
+ }
+ vkbd.fullname = 0;
+ vkbd.backend_dir = 0;
+
+ grub_snprintf (fdir, sizeof (fdir), "device/vkbd/%s/backend", dir);
+ vkbd.backend_dir = grub_xenstore_get_file (fdir, NULL);
+ if (!vkbd.backend_dir)
+ goto out_fail_1;
+
+ grub_snprintf (fdir, sizeof (fdir), "%s/dev",
+ vkbd.backend_dir);
+
+ grub_snprintf (fdir, sizeof (fdir), "device/vkbd/%s/backend-id", dir);
+ buf = grub_xenstore_get_file (fdir, NULL);
+ if (!buf)
+ goto out_fail_1;
+
+ dom = grub_strtoul (buf, 0, 10);
+ grub_free (buf);
+ if (grub_errno)
+ goto out_fail_1;
+
+ vkbd.kbdpage =
+ grub_xen_alloc_shared_page (dom, &vkbd.grant);
+ if (!vkbd.kbdpage)
+ goto out_fail_1;
+
+ grub_snprintf (fdir, sizeof (fdir), "device/vkbd/%s/page-ref", dir);
+ grub_snprintf (num, sizeof (num), "%llu", (unsigned long long) grub_xen_ptr2mfn (vkbd.kbdpage));
+ err = grub_xenstore_write_file (fdir, num, grub_strlen (num));
+ if (err)
+ goto out_fail_3;
+
+ grub_snprintf (fdir, sizeof (fdir), "device/vkbd/%s/protocol", dir);
+ err = grub_xenstore_write_file (fdir, XEN_IO_PROTO_ABI_NATIVE,
+ grub_strlen (XEN_IO_PROTO_ABI_NATIVE));
+ if (err)
+ goto out_fail_3;
+
+ alloc_unbound.dom = DOMID_SELF;
+ alloc_unbound.remote_dom = dom;
+
+ grub_xen_event_channel_op (EVTCHNOP_alloc_unbound, &alloc_unbound);
+ vkbd.evtchn = alloc_unbound.port;
+
+ grub_snprintf (fdir, sizeof (fdir), "device/vkbd/%s/event-channel", dir);
+ grub_snprintf (num, sizeof (num), "%u", vkbd.evtchn);
+ err = grub_xenstore_write_file (fdir, num, grub_strlen (num));
+ if (err)
+ goto out_fail_3;
+
+
+ struct gnttab_dump_table dt;
+ dt.dom = DOMID_SELF;
+ grub_xen_grant_table_op (GNTTABOP_dump_table, (void *) &dt, 1);
+
+ grub_snprintf (fdir, sizeof (fdir), "device/vkbd/%s", dir);
+
+ vkbd.frontend_dir = grub_strdup (fdir);
+
+ vkbd.kbdpage->in_cons = 0;
+ vkbd.kbdpage->in_prod = 0;
+ vkbd.kbdpage->out_cons = 0;
+ vkbd.kbdpage->out_prod = 0;
+
+ grub_snprintf (fdir, sizeof (fdir), "device/vkbd/%s/state", dir);
+ err = grub_xenstore_write_file (fdir, "3", 1);
+ if (err)
+ goto out_fail_3;
+
+ while (1)
+ {
+ grub_snprintf (fdir, sizeof (fdir), "%s/state",
+ vkbd.backend_dir);
+ buf = grub_xenstore_get_file (fdir, NULL);
+ if (!buf)
+ goto out_fail_3;
+ if (grub_strcmp (buf, "2") != 0)
+ break;
+ grub_free (buf);
+ grub_xen_sched_op (SCHEDOP_yield, 0);
+ }
+ grub_dprintf ("xen", "state=%s\n", (char *) buf);
+ grub_free (buf);
+
+ return 1;
+
+out_fail_3:
+ grub_xen_free_shared_page (vkbd.kbdpage);
+out_fail_1:
+
+ vkbd.kbdpage = 0;
+ grub_free (vkbd.backend_dir);
+ grub_free (vkbd.fullname);
+
+ grub_errno = 0;
+ return 0;
+}
+
+static void
+vkbd_fini (void)
+{
+ char fdir[200];
+
+ char *buf;
+ struct evtchn_close close_op = {.port = vkbd.evtchn };
+
+ if (!vkbd.kbdpage)
+ return;
+
+ grub_snprintf (fdir, sizeof (fdir), "%s/state",
+ vkbd.frontend_dir);
+ grub_xenstore_write_file (fdir, "6", 1);
+
+ while (1)
+ {
+ grub_snprintf (fdir, sizeof (fdir), "%s/state",
+ vkbd.backend_dir);
+ buf = grub_xenstore_get_file (fdir, NULL);
+ grub_dprintf ("xen", "state=%s\n", (char *) buf);
+
+ if (!buf || grub_strcmp (buf, "6") == 0)
+ break;
+ grub_free (buf);
+ grub_xen_sched_op (SCHEDOP_yield, 0);
+ }
+ grub_free (buf);
+
+ grub_snprintf (fdir, sizeof (fdir), "%s/page-ref",
+ vkbd.frontend_dir);
+ grub_xenstore_write_file (fdir, NULL, 0);
+
+ grub_snprintf (fdir, sizeof (fdir), "%s/event-channel",
+ vkbd.frontend_dir);
+ grub_xenstore_write_file (fdir, NULL, 0);
+
+ grub_xen_free_shared_page (vkbd.kbdpage);
+ vkbd.kbdpage = 0;
+
+ grub_xen_event_channel_op (EVTCHNOP_close, &close_op);
+
+ /* Prepare for handoff. */
+ grub_snprintf (fdir, sizeof (fdir), "%s/state",
+ vkbd.frontend_dir);
+ grub_xenstore_write_file (fdir, "1", 1);
+}
+
+static grub_err_t
+vkbd_init (void)
+{
+ if (vkbd.kbdpage)
+ vkbd_fini ();
+ grub_xenstore_dir ("device/vkbd", fill, NULL);
+ if (vkbd.kbdpage)
+ grub_errno = 0;
+ if (!vkbd.kbdpage)
+ return grub_error (GRUB_ERR_IO, "couldn't init vkbd");
+ return GRUB_ERR_NONE;
+}
+
+static int
+fetch_key (int *is_break)
+{
+ grub_uint32_t prod;
+
+ if (!vkbd.kbdpage)
+ {
+ *is_break = 0;
+ return -1;
+ }
+
+ mb ();
+
+ prod = vkbd.kbdpage->in_prod;
+
+ mb ();
+
+ for (;vkbd.kbdpage->in_cons < prod; vkbd.kbdpage->in_cons++)
+ {
+ grub_uint32_t keycode;
+ int ret = 0;
+ if (XENKBD_IN_RING_REF(vkbd.kbdpage, vkbd.kbdpage->in_cons).type != XENKBD_TYPE_KEY)
+ continue;
+ keycode = XENKBD_IN_RING_REF(vkbd.kbdpage, vkbd.kbdpage->in_cons).key.keycode;
+ *is_break = !XENKBD_IN_RING_REF(vkbd.kbdpage, vkbd.kbdpage->in_cons).key.pressed;
+
+ if (keycode < ARRAY_SIZE (mapping))
+ ret = mapping[keycode];
+ if (ret == 0)
+ {
+ grub_printf ("unknown keycode = %lx\n", (unsigned long) keycode);
+ continue;
+ }
+ vkbd.kbdpage->in_cons++;
+ return ret;
+ }
+ *is_break = 0;
+ return -1;
+}
+
+static int
+grub_keyboard_isr (grub_keyboard_key_t key, int is_break)
+{
+ if (!is_break)
+ switch (key)
+ {
+ case GRUB_KEYBOARD_KEY_LEFT_SHIFT:
+ xen_keyboard_status |= GRUB_TERM_STATUS_LSHIFT;
+ return 1;
+ case GRUB_KEYBOARD_KEY_RIGHT_SHIFT:
+ xen_keyboard_status |= GRUB_TERM_STATUS_RSHIFT;
+ return 1;
+ case GRUB_KEYBOARD_KEY_LEFT_CTRL:
+ xen_keyboard_status |= GRUB_TERM_STATUS_LCTRL;
+ return 1;
+ case GRUB_KEYBOARD_KEY_RIGHT_CTRL:
+ xen_keyboard_status |= GRUB_TERM_STATUS_RCTRL;
+ return 1;
+ case GRUB_KEYBOARD_KEY_RIGHT_ALT:
+ xen_keyboard_status |= GRUB_TERM_STATUS_RALT;
+ return 1;
+ case GRUB_KEYBOARD_KEY_LEFT_ALT:
+ xen_keyboard_status |= GRUB_TERM_STATUS_LALT;
+ return 1;
+ default:
+ return 0;
+ }
+ else
+ switch (key)
+ {
+ case GRUB_KEYBOARD_KEY_LEFT_SHIFT:
+ xen_keyboard_status &= ~GRUB_TERM_STATUS_LSHIFT;
+ return 1;
+ case GRUB_KEYBOARD_KEY_RIGHT_SHIFT:
+ xen_keyboard_status &= ~GRUB_TERM_STATUS_RSHIFT;
+ return 1;
+ case GRUB_KEYBOARD_KEY_LEFT_CTRL:
+ xen_keyboard_status &= ~GRUB_TERM_STATUS_LCTRL;
+ return 1;
+ case GRUB_KEYBOARD_KEY_RIGHT_CTRL:
+ xen_keyboard_status &= ~GRUB_TERM_STATUS_RCTRL;
+ return 1;
+ case GRUB_KEYBOARD_KEY_RIGHT_ALT:
+ xen_keyboard_status &= ~GRUB_TERM_STATUS_RALT;
+ return 1;
+ case GRUB_KEYBOARD_KEY_LEFT_ALT:
+ xen_keyboard_status &= ~GRUB_TERM_STATUS_LALT;
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+/* If there is a raw key pending, return it; otherwise return -1. */
+static int
+grub_keyboard_getkey (void)
+{
+ int key;
+ int is_break = 0;
+
+ key = fetch_key (&is_break);
+ if (key == -1)
+ return -1;
+
+ if (grub_keyboard_isr (key, is_break))
+ return -1;
+ if (is_break)
+ return -1;
+ return key;
+}
+
+
+/* If there is a character pending, return it;
+ otherwise return GRUB_TERM_NO_KEY. */
+static int
+grub_xen_keyboard_getkey (struct grub_term_input *term __attribute__ ((unused)))
+{
+ int code;
+
+ code = grub_keyboard_getkey ();
+ if (code == -1)
+ return GRUB_TERM_NO_KEY;
+ switch (code)
+ {
+ case GRUB_KEYBOARD_KEY_CAPS_LOCK:
+ xen_keyboard_status ^= GRUB_TERM_STATUS_CAPS;
+ return GRUB_TERM_NO_KEY;
+ case GRUB_KEYBOARD_KEY_NUM_LOCK:
+ xen_keyboard_status ^= GRUB_TERM_STATUS_NUM;
+ return GRUB_TERM_NO_KEY;
+ case GRUB_KEYBOARD_KEY_SCROLL_LOCK:
+ xen_keyboard_status ^= GRUB_TERM_STATUS_SCROLL;
+ return GRUB_TERM_NO_KEY;
+ default:
+ return grub_term_map_key (code, xen_keyboard_status);
+ }
+}
+
+static grub_err_t
+grub_keyboard_controller_init (struct grub_term_input *term __attribute__ ((unused)))
+{
+ vkbd_init ();
+ return GRUB_ERR_NONE;
+}
+
+static grub_err_t
+grub_keyboard_controller_fini (struct grub_term_input *term __attribute__ ((unused)))
+{
+ vkbd_fini ();
+ return GRUB_ERR_NONE;
+}
+
+static grub_err_t
+grub_xen_fini_hw (int noreturn __attribute__ ((unused)))
+{
+ vkbd_fini ();
+ return GRUB_ERR_NONE;
+}
+
+static grub_err_t
+grub_xen_restore_hw (void)
+{
+ vkbd_init ();
+ return GRUB_ERR_NONE;
+}
+
+
+static struct grub_term_input grub_xen_keyboard_term =
+ {
+ .name = "xen_keyboard",
+ .init = grub_keyboard_controller_init,
+ .fini = grub_keyboard_controller_fini,
+ .getkey = grub_xen_keyboard_getkey
+ };
+
+void
+grub_xen_keyboard_init (void)
+{
+ grub_term_register_input ("xen_keyboard", &grub_xen_keyboard_term);
+ grub_loader_register_preboot_hook (grub_xen_fini_hw, grub_xen_restore_hw,
+ GRUB_LOADER_PREBOOT_HOOK_PRIO_CONSOLE);
+}
+
+GRUB_MOD_FINI(xen_keyboard)
+{
+ grub_keyboard_controller_fini (NULL);
+ grub_term_unregister_input (&grub_xen_keyboard_term);
+}
--- /dev/null
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2013 Free Software Foundation, Inc.
+ *
+ * GRUB is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define grub_video_render_target grub_video_fbrender_target
+
+#include <grub/err.h>
+#include <grub/types.h>
+#include <grub/dl.h>
+#include <grub/misc.h>
+#include <grub/mm.h>
+#include <grub/video.h>
+#include <grub/video_fb.h>
+#include <grub/xen.h>
+#include <xen/io/fbif.h>
+
+GRUB_MOD_LICENSE ("GPLv3+");
+
+struct virtfb
+{
+ int handle;
+ char *fullname;
+ char *backend_dir;
+ char *frontend_dir;
+ struct xenfb_page *fbpage;
+ grub_xen_grant_t grant;
+ grub_xen_evtchn_t evtchn;
+ char *framebuffer;
+ grub_xen_mfn_t *page_directory;
+ int width, height;
+};
+
+struct virtfb vfb;
+
+static grub_xen_mfn_t
+grub_xen_ptr2mfn (void *ptr)
+{
+ grub_xen_mfn_t *mfn_list =
+ (grub_xen_mfn_t *) grub_xen_start_page_addr->mfn_list;
+ return mfn_list[(grub_addr_t) ptr >> GRUB_XEN_LOG_PAGE_SIZE];
+}
+
+static int
+fill (const char *dir, void *data __attribute__ ((unused)))
+{
+ domid_t dom;
+ /* "dir" is just a number, at most 19 characters. */
+ char fdir[200];
+ char num[20];
+ grub_err_t err;
+ void *buf;
+ struct evtchn_alloc_unbound alloc_unbound;
+
+ if (vfb.fbpage)
+ return 1;
+ vfb.handle = grub_strtoul (dir, 0, 10);
+ if (grub_errno)
+ {
+ grub_errno = 0;
+ return 0;
+ }
+ vfb.fullname = 0;
+ vfb.backend_dir = 0;
+
+ grub_snprintf (fdir, sizeof (fdir), "device/vfb/%s/backend", dir);
+ vfb.backend_dir = grub_xenstore_get_file (fdir, NULL);
+ if (!vfb.backend_dir)
+ goto out_fail_1;
+
+ grub_snprintf (fdir, sizeof (fdir), "%s/dev",
+ vfb.backend_dir);
+
+ grub_snprintf (fdir, sizeof (fdir), "device/vfb/%s/backend-id", dir);
+ buf = grub_xenstore_get_file (fdir, NULL);
+ if (!buf)
+ goto out_fail_1;
+
+ dom = grub_strtoul (buf, 0, 10);
+ grub_free (buf);
+ if (grub_errno)
+ goto out_fail_1;
+
+ vfb.fbpage =
+ grub_xen_alloc_shared_page (dom, &vfb.grant);
+ if (!vfb.fbpage)
+ goto out_fail_1;
+
+ grub_snprintf (fdir, sizeof (fdir), "device/vfb/%s/page-ref", dir);
+ grub_snprintf (num, sizeof (num), "%llu", (unsigned long long) grub_xen_ptr2mfn (vfb.fbpage));
+ err = grub_xenstore_write_file (fdir, num, grub_strlen (num));
+ if (err)
+ goto out_fail_3;
+
+ grub_snprintf (fdir, sizeof (fdir), "device/vfb/%s/protocol", dir);
+ err = grub_xenstore_write_file (fdir, XEN_IO_PROTO_ABI_NATIVE,
+ grub_strlen (XEN_IO_PROTO_ABI_NATIVE));
+ if (err)
+ goto out_fail_3;
+
+ alloc_unbound.dom = DOMID_SELF;
+ alloc_unbound.remote_dom = dom;
+
+ grub_xen_event_channel_op (EVTCHNOP_alloc_unbound, &alloc_unbound);
+ vfb.evtchn = alloc_unbound.port;
+
+ grub_snprintf (fdir, sizeof (fdir), "device/vfb/%s/event-channel", dir);
+ grub_snprintf (num, sizeof (num), "%u", vfb.evtchn);
+ err = grub_xenstore_write_file (fdir, num, grub_strlen (num));
+ if (err)
+ goto out_fail_3;
+
+
+ struct gnttab_dump_table dt;
+ dt.dom = DOMID_SELF;
+ grub_xen_grant_table_op (GNTTABOP_dump_table, (void *) &dt, 1);
+
+ grub_snprintf (fdir, sizeof (fdir), "device/vfb/%s", dir);
+
+ vfb.frontend_dir = grub_strdup (fdir);
+
+ grub_size_t i;
+
+ const unsigned pages_per_pd = (GRUB_XEN_PAGE_SIZE / sizeof (grub_xen_mfn_t));
+
+ vfb.fbpage->in_cons = 0;
+ vfb.fbpage->in_prod = 0;
+ vfb.fbpage->out_cons = 0;
+ vfb.fbpage->out_prod = 0;
+
+ vfb.fbpage->width = vfb.width;
+ vfb.fbpage->height = vfb.height;
+ vfb.fbpage->line_length = vfb.width * 4;
+ vfb.fbpage->depth = 32;
+
+ grub_size_t fbsize = ALIGN_UP (vfb.width * vfb.height * 4, GRUB_XEN_PAGE_SIZE);
+
+ vfb.fbpage->mem_length = fbsize;
+
+ grub_size_t fbpages = fbsize / GRUB_XEN_PAGE_SIZE;
+ grub_size_t pd_size = ALIGN_UP (fbpages, pages_per_pd);
+
+ vfb.framebuffer = grub_memalign (GRUB_XEN_PAGE_SIZE, fbsize);
+ if (!vfb.framebuffer)
+ goto out_fail_3;
+ vfb.page_directory = grub_memalign (GRUB_XEN_PAGE_SIZE, pd_size * sizeof (grub_xen_mfn_t));
+ if (!vfb.page_directory)
+ goto out_fail_3;
+
+ for (i = 0; i < fbpages; i++)
+ vfb.page_directory[i] = grub_xen_ptr2mfn (vfb.framebuffer + GRUB_XEN_PAGE_SIZE * i);
+ for (; i < pd_size; i++)
+ vfb.page_directory[i] = 0;
+
+ for (i = 0; i < pd_size / pages_per_pd; i++)
+ vfb.fbpage->pd[i] = grub_xen_ptr2mfn (vfb.page_directory + (GRUB_XEN_PAGE_SIZE / sizeof (vfb.page_directory[0])) * i);
+
+
+ grub_snprintf (fdir, sizeof (fdir), "device/vfb/%s/state", dir);
+ err = grub_xenstore_write_file (fdir, "3", 1);
+ if (err)
+ goto out_fail_3;
+
+ while (1)
+ {
+ grub_snprintf (fdir, sizeof (fdir), "%s/state",
+ vfb.backend_dir);
+ buf = grub_xenstore_get_file (fdir, NULL);
+ if (!buf)
+ goto out_fail_3;
+ if (grub_strcmp (buf, "2") != 0)
+ break;
+ grub_free (buf);
+ grub_xen_sched_op (SCHEDOP_yield, 0);
+ }
+ grub_dprintf ("xen", "state=%s\n", (char *) buf);
+ grub_free (buf);
+
+ return 1;
+
+out_fail_3:
+ grub_xen_free_shared_page (vfb.fbpage);
+out_fail_1:
+ grub_free (vfb.framebuffer);
+ vfb.framebuffer = 0;
+ grub_free (vfb.page_directory);
+ vfb.page_directory = 0;
+
+ vfb.fbpage = 0;
+ grub_free (vfb.backend_dir);
+ grub_free (vfb.fullname);
+
+ grub_errno = 0;
+ return 0;
+}
+
+static void
+vfb_fini (void)
+{
+ char fdir[200];
+
+ char *buf;
+ struct evtchn_close close_op = {.port = vfb.evtchn };
+
+ if (!vfb.fbpage)
+ return;
+
+ grub_snprintf (fdir, sizeof (fdir), "%s/state",
+ vfb.frontend_dir);
+ grub_xenstore_write_file (fdir, "6", 1);
+
+ while (1)
+ {
+ grub_snprintf (fdir, sizeof (fdir), "%s/state",
+ vfb.backend_dir);
+ buf = grub_xenstore_get_file (fdir, NULL);
+ grub_dprintf ("xen", "state=%s\n", (char *) buf);
+
+ if (!buf || grub_strcmp (buf, "6") == 0)
+ break;
+ grub_free (buf);
+ grub_xen_sched_op (SCHEDOP_yield, 0);
+ }
+ grub_free (buf);
+
+ grub_snprintf (fdir, sizeof (fdir), "%s/page-ref",
+ vfb.frontend_dir);
+ grub_xenstore_write_file (fdir, NULL, 0);
+
+ grub_snprintf (fdir, sizeof (fdir), "%s/event-channel",
+ vfb.frontend_dir);
+ grub_xenstore_write_file (fdir, NULL, 0);
+
+ grub_xen_free_shared_page (vfb.fbpage);
+ vfb.fbpage = 0;
+
+ grub_xen_event_channel_op (EVTCHNOP_close, &close_op);
+
+ /* Prepare for handoff. */
+ grub_snprintf (fdir, sizeof (fdir), "%s/state",
+ vfb.frontend_dir);
+ grub_xenstore_write_file (fdir, "1", 1);
+
+ grub_free (vfb.framebuffer);
+ vfb.framebuffer = 0;
+ grub_free (vfb.page_directory);
+ vfb.page_directory = 0;
+}
+
+static grub_err_t
+vfb_init (int width, int height)
+{
+ if (vfb.fbpage)
+ vfb_fini ();
+ vfb.width = width;
+ vfb.height = height;
+ grub_xenstore_dir ("device/vfb", fill, NULL);
+ if (vfb.fbpage)
+ grub_errno = 0;
+ if (!vfb.fbpage)
+ return grub_error (GRUB_ERR_IO, "couldn't init vfb");
+ return GRUB_ERR_NONE;
+}
+
+static void
+grub_video_xenfb_fill_mode_info (struct grub_video_mode_info *out)
+{
+ grub_memset (out, 0, sizeof (*out));
+
+ out->pitch = vfb.width * 4;
+ out->width = vfb.width;
+ out->height = vfb.height;
+
+ out->mode_type = GRUB_VIDEO_MODE_TYPE_RGB;
+ out->bpp = 32;
+ out->bytes_per_pixel = 4;
+ out->number_of_colors = 256;
+ out->reserved_mask_size = 8;
+ out->reserved_field_pos = 24;
+ out->red_mask_size = 8;
+ out->red_field_pos = 16;
+ out->green_mask_size = 8;
+ out->green_field_pos = 8;
+ out->blue_mask_size = 8;
+ out->blue_field_pos = 0;
+
+ out->blit_format = grub_video_get_blit_format (out);
+}
+
+static grub_err_t
+grub_video_ieee1275_setup (unsigned int width, unsigned int height,
+ unsigned int mode_type __attribute__ ((unused)),
+ unsigned int mode_mask __attribute__ ((unused)))
+{
+ struct grub_video_mode_info modeinfo;
+ grub_err_t err;
+
+ err = vfb_init (width ? : 800, height ? : 600);
+ if (err)
+ return err;
+ grub_video_xenfb_fill_mode_info (&modeinfo);
+
+ err = grub_video_fb_setup (mode_type, mode_mask,
+ &modeinfo,
+ vfb.framebuffer, NULL, NULL);
+ if (err)
+ return err;
+
+ err = grub_video_fb_set_palette (0, GRUB_VIDEO_FBSTD_NUMCOLORS,
+ grub_video_fbstd_colors);
+
+ return err;
+}
+
+static grub_err_t
+grub_video_xenfb_get_info_and_fini (struct grub_video_mode_info *mode_info,
+ void **framebuf)
+{
+ grub_video_xenfb_fill_mode_info (mode_info);
+ *framebuf = vfb.framebuffer;
+
+ grub_video_fb_fini ();
+
+ return GRUB_ERR_NONE;
+}
+
+static grub_err_t
+grub_video_vfb_fini (void)
+{
+ vfb_fini ();
+ return grub_video_fb_fini ();
+}
+
+
+static struct grub_video_adapter grub_video_xen_adapter =
+ {
+ .name = "XEN video driver",
+
+ .prio = GRUB_VIDEO_ADAPTER_PRIO_NATIVE,
+ .id = GRUB_VIDEO_DRIVER_XEN,
+
+ .init = grub_video_fb_init,
+ .fini = grub_video_vfb_fini,
+ .setup = grub_video_ieee1275_setup,
+ .get_info = grub_video_fb_get_info,
+ .get_info_and_fini = grub_video_xenfb_get_info_and_fini,
+ .set_palette = grub_video_fb_set_palette,
+ .get_palette = grub_video_fb_get_palette,
+ .set_viewport = grub_video_fb_set_viewport,
+ .get_viewport = grub_video_fb_get_viewport,
+ .set_region = grub_video_fb_set_region,
+ .get_region = grub_video_fb_get_region,
+ .set_area_status = grub_video_fb_set_area_status,
+ .get_area_status = grub_video_fb_get_area_status,
+ .map_color = grub_video_fb_map_color,
+ .map_rgb = grub_video_fb_map_rgb,
+ .map_rgba = grub_video_fb_map_rgba,
+ .unmap_color = grub_video_fb_unmap_color,
+ .fill_rect = grub_video_fb_fill_rect,
+ .blit_bitmap = grub_video_fb_blit_bitmap,
+ .blit_render_target = grub_video_fb_blit_render_target,
+ .scroll = grub_video_fb_scroll,
+ .swap_buffers = grub_video_fb_swap_buffers,
+ .create_render_target = grub_video_fb_create_render_target,
+ .delete_render_target = grub_video_fb_delete_render_target,
+ .set_active_render_target = grub_video_fb_set_active_render_target,
+ .get_active_render_target = grub_video_fb_get_active_render_target,
+
+ .next = 0
+ };
+
+void
+grub_video_xen_init (void)
+{
+ grub_video_register (&grub_video_xen_adapter);
+}
+
+void
+grub_video_xen_fini (void)
+{
+ vfb_fini ();
+ grub_video_unregister (&grub_video_xen_adapter);
+}
GRUB_VIDEO_DRIVER_RADEON_FULOONG2E,
GRUB_VIDEO_DRIVER_COREBOOT,
GRUB_VIDEO_DRIVER_IEEE1275,
- GRUB_VIDEO_ADAPTER_CAPTURE
+ GRUB_VIDEO_ADAPTER_CAPTURE,
+ GRUB_VIDEO_DRIVER_XEN
} grub_video_driver_id_t;
typedef enum grub_video_adapter_prio
int EXPORT_FUNC (grub_xen_sched_op) (int cmd, void *arg) __attribute__ ((sysv_abi));
int grub_xen_update_va_mapping (void *addr, uint64_t pte, uint64_t flags) __attribute__ ((sysv_abi));
-int grub_xen_event_channel_op (int op, void *arg) __attribute__ ((sysv_abi));
+int EXPORT_FUNC (grub_xen_event_channel_op) (int op, void *arg) __attribute__ ((sysv_abi));
int grub_xen_mmuext_op (mmuext_op_t * ops,
unsigned int count,
void grub_xendisk_fini (void);
void grub_xendisk_init (void);
+void
+grub_xen_keyboard_init (void);
+void
+grub_xen_keyboard_fini (void);
+void
+grub_video_xen_init (void);
+void
+grub_video_xen_fini (void);
+
#ifdef __x86_64__
typedef grub_uint64_t grub_xen_mfn_t;
#else
projects / thirdparty / grub.git / commitdiff
