commit-grub
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[2092] * kern/sparc64/ieee1275/ieee1275.c: New file.


From: David S. Miller
Subject: [2092] * kern/sparc64/ieee1275/ieee1275.c: New file.
Date: Mon, 13 Apr 2009 07:06:09 +0000

Revision: 2092
          http://svn.sv.gnu.org/viewvc/?view=rev&root=grub&revision=2092
Author:   davem
Date:     2009-04-13 07:06:09 +0000 (Mon, 13 Apr 2009)
Log Message:
-----------
        * kern/sparc64/ieee1275/ieee1275.c: New file.
        * include/grub/sparc64/ieee1275/ieee1275.h (IEEE1275_MAP_WRITE,
        IEEE1275_MAP_READ, IEEE1275_MAP_EXEC, IEEE1275_MAP_LOCKED,
        IEEE1275_MAP_CACHED, IEEE1275_MAP_SE, IEEE1275_MAP_GLOBAL,
        IEEE1275_MAP_IE, IEEE1275_MAP_DEFAULT): Define.
        (grub_ieee1275_map_physical, grub_ieee1275_claim_vaddr,
        grub_ieee1275_alloc_physmem): Declare new exported functions.

Modified Paths:
--------------
    trunk/grub2/ChangeLog
    trunk/grub2/DISTLIST
    trunk/grub2/include/grub/sparc64/ieee1275/ieee1275.h

Added Paths:
-----------
    trunk/grub2/kern/sparc64/ieee1275/ieee1275.c

Modified: trunk/grub2/ChangeLog
===================================================================
--- trunk/grub2/ChangeLog       2009-04-13 07:02:46 UTC (rev 2091)
+++ trunk/grub2/ChangeLog       2009-04-13 07:06:09 UTC (rev 2092)
@@ -1,3 +1,13 @@
+2009-04-13  David S. Miller  <address@hidden>
+
+       * kern/sparc64/ieee1275/ieee1275.c: New file.
+       * include/grub/sparc64/ieee1275/ieee1275.h (IEEE1275_MAP_WRITE,
+       IEEE1275_MAP_READ, IEEE1275_MAP_EXEC, IEEE1275_MAP_LOCKED,
+       IEEE1275_MAP_CACHED, IEEE1275_MAP_SE, IEEE1275_MAP_GLOBAL,
+       IEEE1275_MAP_IE, IEEE1275_MAP_DEFAULT): Define.
+       (grub_ieee1275_map_physical, grub_ieee1275_claim_vaddr,
+       grub_ieee1275_alloc_physmem): Declare new exported functions.
+
 2009-04-12  David S. Miller  <address@hidden>
 
        * kern/misc.c (grub_ltoa): Fix cast when handling negative

Modified: trunk/grub2/DISTLIST
===================================================================
--- trunk/grub2/DISTLIST        2009-04-13 07:02:46 UTC (rev 2091)
+++ trunk/grub2/DISTLIST        2009-04-13 07:06:09 UTC (rev 2092)
@@ -380,6 +380,7 @@
 kern/sparc64/cache.S
 kern/sparc64/dl.c
 kern/sparc64/ieee1275/crt0.S
+kern/sparc64/ieee1275/ieee1275.c
 kern/sparc64/ieee1275/openfw.c
 kern/x86_64/dl.c
 kern/x86_64/efi/callwrap.S

Modified: trunk/grub2/include/grub/sparc64/ieee1275/ieee1275.h
===================================================================
--- trunk/grub2/include/grub/sparc64/ieee1275/ieee1275.h        2009-04-13 
07:02:46 UTC (rev 2091)
+++ trunk/grub2/include/grub/sparc64/ieee1275/ieee1275.h        2009-04-13 
07:06:09 UTC (rev 2092)
@@ -24,4 +24,26 @@
 
 typedef grub_uint64_t grub_ieee1275_cell_t;
 
+/* Encoding of 'mode' argument to grub_ieee1275_map_physical() */
+#define IEEE1275_MAP_WRITE     0x0001 /* Writable */
+#define IEEE1275_MAP_READ      0x0002 /* Readable */
+#define IEEE1275_MAP_EXEC      0x0004 /* Executable */
+#define IEEE1275_MAP_LOCKED    0x0010 /* Locked in TLB */
+#define IEEE1275_MAP_CACHED    0x0020 /* Cacheable */
+#define IEEE1275_MAP_SE                0x0040 /* Side-effects */
+#define IEEE1275_MAP_GLOBAL    0x0080 /* Global */
+#define IEEE1275_MAP_IE                0x0100 /* Invert Endianness */
+#define IEEE1275_MAP_DEFAULT   (IEEE1275_MAP_WRITE | IEEE1275_MAP_READ | \
+                                IEEE1275_MAP_EXEC | IEEE1275_MAP_CACHED)
+
+extern int EXPORT_FUNC(grub_ieee1275_map_physical) (grub_addr_t paddr,
+                                                   grub_addr_t vaddr,
+                                                   grub_size_t size,
+                                                   grub_uint32_t mode);
+extern int EXPORT_FUNC(grub_ieee1275_claim_vaddr) (grub_addr_t vaddr,
+                                                  grub_size_t size);
+extern int EXPORT_FUNC(grub_ieee1275_alloc_physmem) (grub_addr_t *paddr,
+                                                    grub_size_t size,
+                                                    grub_uint32_t align);
+
 #endif /* ! GRUB_IEEE1275_MACHINE_HEADER */

Added: trunk/grub2/kern/sparc64/ieee1275/ieee1275.c
===================================================================
--- trunk/grub2/kern/sparc64/ieee1275/ieee1275.c                                
(rev 0)
+++ trunk/grub2/kern/sparc64/ieee1275/ieee1275.c        2009-04-13 07:06:09 UTC 
(rev 2092)
@@ -0,0 +1,124 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  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/>.
+ */
+
+#include <grub/ieee1275/ieee1275.h>
+#include <grub/types.h>
+
+/* Sun specific ieee1275 interfaces used by GRUB.  */
+
+int
+grub_ieee1275_map_physical (grub_addr_t paddr, grub_addr_t vaddr,
+                           grub_size_t size, grub_uint32_t mode)
+{
+  struct map_physical_args
+  {
+    struct grub_ieee1275_common_hdr common;
+    grub_ieee1275_cell_t method;
+    grub_ieee1275_cell_t ihandle;
+    grub_ieee1275_cell_t mode;
+    grub_ieee1275_cell_t size;
+    grub_ieee1275_cell_t virt;
+    grub_ieee1275_cell_t phys_high;
+    grub_ieee1275_cell_t phys_low;
+    grub_ieee1275_cell_t catch_result;
+  }
+  args;
+
+  INIT_IEEE1275_COMMON (&args.common, "call-method", 7, 1);
+  args.method = (grub_ieee1275_cell_t) "map";
+  args.ihandle = grub_ieee1275_mmu;
+  args.mode = mode;
+  args.size = size;
+  args.virt = vaddr;
+  args.phys_high = 0;
+  args.phys_low = paddr;
+  args.catch_result = (grub_ieee1275_cell_t) -1;
+
+  if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
+    return -1;
+  return args.catch_result;
+}
+
+int
+grub_ieee1275_claim_vaddr (grub_addr_t vaddr, grub_size_t size)
+{
+  struct claim_vaddr_args
+  {
+    struct grub_ieee1275_common_hdr common;
+    grub_ieee1275_cell_t method;
+    grub_ieee1275_cell_t ihandle;
+    grub_ieee1275_cell_t align;
+    grub_ieee1275_cell_t size;
+    grub_ieee1275_cell_t virt;
+    grub_ieee1275_cell_t catch_result;
+  }
+  args;
+
+  INIT_IEEE1275_COMMON (&args.common, "call-method", 5, 2);
+  args.method = (grub_ieee1275_cell_t) "claim";
+  args.ihandle = grub_ieee1275_mmu;
+  args.align = 0;
+  args.size = size;
+  args.virt = vaddr;
+  args.catch_result = (grub_ieee1275_cell_t) -1;
+
+  if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
+    return -1;
+  return args.catch_result;
+}
+
+int
+grub_ieee1275_alloc_physmem (grub_addr_t *paddr, grub_size_t size,
+                            grub_uint32_t align)
+{
+  grub_uint32_t memory_ihandle;
+  struct alloc_physmem_args
+  {
+    struct grub_ieee1275_common_hdr common;
+    grub_ieee1275_cell_t method;
+    grub_ieee1275_cell_t ihandle;
+    grub_ieee1275_cell_t align;
+    grub_ieee1275_cell_t size;
+    grub_ieee1275_cell_t catch_result;
+    grub_ieee1275_cell_t phys_high;
+    grub_ieee1275_cell_t phys_low;
+  }
+  args;
+  grub_ssize_t actual = 0;
+
+  grub_ieee1275_get_property (grub_ieee1275_chosen, "memory",
+                             &memory_ihandle, sizeof (memory_ihandle),
+                             &actual);
+  if (actual != sizeof (memory_ihandle))
+    return -1;
+
+  if (!align)
+    align = 1;
+
+  INIT_IEEE1275_COMMON (&args.common, "call-method", 4, 3);
+  args.method = (grub_ieee1275_cell_t) "claim";
+  args.ihandle = memory_ihandle;
+  args.align = (align ? align : 1);
+  args.size = size;
+  if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
+    return -1;
+
+  *paddr = args.phys_low;
+
+  return args.catch_result;
+}





reply via email to

[Prev in Thread] Current Thread [Next in Thread]