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[2168] missing files from previous commit
|
From: |
Vladimir Serbinenko |
|
Subject: |
[2168] missing files from previous commit |
|
Date: |
Sun, 03 May 2009 10:14:20 +0000 |
Revision: 2168
http://svn.sv.gnu.org/viewvc/?view=rev&root=grub&revision=2168
Author: phcoder
Date: 2009-05-03 10:14:19 +0000 (Sun, 03 May 2009)
Log Message:
-----------
missing files from previous commit
Added Paths:
-----------
trunk/grub2/loader/i386/bsd_helper.S
trunk/grub2/loader/i386/bsd_pagetable.c
trunk/grub2/loader/i386/bsd_trampoline.S
Added: trunk/grub2/loader/i386/bsd_helper.S
===================================================================
--- trunk/grub2/loader/i386/bsd_helper.S (rev 0)
+++ trunk/grub2/loader/i386/bsd_helper.S 2009-05-03 10:14:19 UTC (rev
2168)
@@ -0,0 +1,45 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 1999,2000,2001,2002,2003,2005,2006,2007,2008, 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/symbol.h>
+
+ .p2align 2
+
+
+ .code32
+
+/*
+ * Use cdecl calling convention for *BSD kernels.
+ */
+
+FUNCTION(grub_unix_real_boot)
+
+ /* Interrupts should be disabled. */
+ cli
+
+ /* Discard `grub_unix_real_boot' return address. */
+ popl %eax
+
+ /* Fetch `entry' address ... */
+ popl %eax
+
+ /*
+ * ... and put our return address in its place. The kernel will
+ * ignore it, but it expects %esp to point to it.
+ */
+ call *%eax
Added: trunk/grub2/loader/i386/bsd_pagetable.c
===================================================================
--- trunk/grub2/loader/i386/bsd_pagetable.c (rev 0)
+++ trunk/grub2/loader/i386/bsd_pagetable.c 2009-05-03 10:14:19 UTC (rev
2168)
@@ -0,0 +1,88 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (c) 1998 Michael Smith <address@hidden>
+ * Copyright (C) 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/>.
+ */
+
+/* Based on the code from FreeBSD originally distributed under the
+ following terms: */
+
+/*-
+ * Copyright (c) 1998 Michael Smith <address@hidden>
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+
+
+static void
+fill_bsd64_pagetable (grub_uint8_t *target)
+{
+ grub_uint64_t *pt2, *pt3, *pt4;
+ int i;
+
+#define PG_V 0x001
+#define PG_RW 0x002
+#define PG_U 0x004
+#define PG_PS 0x080
+
+ pt4 = (grub_uint64_t *) target;
+ pt3 = (grub_uint64_t *) (target + 4096);
+ pt2 = (grub_uint64_t *) (target + 8192);
+
+ grub_memset ((char *) target, 0, 4096 * 3);
+
+ /*
+ * This is kinda brutal, but every single 1GB VM memory segment points to
+ * the same first 1GB of physical memory. But it is how BSD expects
+ * it to be.
+ */
+ for (i = 0; i < 512; i++)
+ {
+ /* Each slot of the level 4 pages points to the same level 3 page */
+ pt4[i] = (grub_addr_t) &pt3[0];
+ pt4[i] |= PG_V | PG_RW | PG_U;
+
+ /* Each slot of the level 3 pages points to the same level 2 page */
+ pt3[i] = (grub_addr_t) &pt2[0];
+ pt3[i] |= PG_V | PG_RW | PG_U;
+
+ /* The level 2 page slots are mapped with 2MB pages for 1GB. */
+ pt2[i] = i * (2 * 1024 * 1024);
+ pt2[i] |= PG_V | PG_RW | PG_PS | PG_U;
+ }
+}
Added: trunk/grub2/loader/i386/bsd_trampoline.S
===================================================================
--- trunk/grub2/loader/i386/bsd_trampoline.S (rev 0)
+++ trunk/grub2/loader/i386/bsd_trampoline.S 2009-05-03 10:14:19 UTC (rev
2168)
@@ -0,0 +1,124 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (c) 2003 Peter Wemm <address@hidden>
+ * Copyright (C) 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/>.
+ */
+
+/* Based on the code from FreeBSD originally distributed under the
+ following terms: */
+
+/*-
+ * Copyright (c) 2003 Peter Wemm <address@hidden>
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+
+
+#define MSR_EFER 0xc0000080
+#define EFER_LME 0x00000100
+#define CR4_PAE 0x00000020
+#define CR4_PSE 0x00000010
+#define CR0_PG 0x80000000
+
+#include <grub/symbol.h>
+
+ .p2align 2
+
+ .code32
+
+
+VARIABLE(grub_bsd64_trampoline_start)
+
+ /* Discard `grub_unix_real_boot' return address. */
+ popl %eax
+
+ /* entry */
+ popl %edi
+
+ /* entry_hi */
+ popl %esi
+
+ cli
+
+ /* Turn on EFER.LME. */
+ movl $MSR_EFER, %ecx
+ rdmsr
+ orl $EFER_LME, %eax
+ wrmsr
+
+ /* Turn on PAE. */
+ movl %cr4, %eax
+ orl $(CR4_PAE | CR4_PSE), %eax
+ movl %eax, %cr4
+
+ /* Set %cr3 for PT4. */
+ popl %eax
+ movl %eax, %cr3
+
+ /* Push a dummy return address. */
+ pushl %eax
+
+ /* Turn on paging (implicitly sets EFER.LMA). */
+ movl %cr0, %eax
+ orl $CR0_PG, %eax
+ movl %eax, %cr0
+
+ /* Now we're in compatability mode. set %cs for long mode. */
+ /* lgdt */
+ .byte 0x0f
+ .byte 0x01
+ .byte 0x15
+VARIABLE (grub_bsd64_trampoline_gdt)
+ .long 0x0
+
+ /* ljmp */
+ .byte 0xea
+VARIABLE (grub_bsd64_trampoline_selfjump)
+ .long 0x0
+ .word 0x08
+
+ .code64
+
+bsd64_longmode:
+ /* We're still running V=P, jump to entry point. */
+ movl %esi, %eax
+ salq $32, %rax
+ orq %rdi, %rax
+ pushq %rax
+ ret
+VARIABLE(grub_bsd64_trampoline_end)
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