aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--backends/module.mk1
-rw-r--r--backends/platform/wii/main.cpp5
-rw-r--r--backends/plugins/elf-loader.cpp16
-rw-r--r--backends/plugins/elf-loader.h1
-rw-r--r--backends/plugins/elf32.h9
-rw-r--r--backends/plugins/ppc-loader.cpp128
-rw-r--r--backends/plugins/ppc-loader.h40
-rw-r--r--backends/plugins/wii/plugin.ld263
-rw-r--r--backends/plugins/wii/wii-provider.h45
-rwxr-xr-xconfigure25
10 files changed, 532 insertions, 1 deletions
diff --git a/backends/module.mk b/backends/module.mk
index 922abc2afd..ab3d1efa47 100644
--- a/backends/module.mk
+++ b/backends/module.mk
@@ -26,6 +26,7 @@ MODULE_OBJS := \
plugins/mips-loader.o \
plugins/shorts-segment-manager.o \
plugins/arm-loader.o \
+ plugins/ppc-loader.o \
plugins/elf-provider.o \
plugins/dc/dc-provider.o \
plugins/posix/posix-provider.o \
diff --git a/backends/platform/wii/main.cpp b/backends/platform/wii/main.cpp
index 7f141f2339..aa688534fc 100644
--- a/backends/platform/wii/main.cpp
+++ b/backends/platform/wii/main.cpp
@@ -25,6 +25,7 @@
#include <unistd.h>
#include "osystem.h"
+#include "backends/plugins/wii/wii-provider.h"
#include <ogc/machine/processor.h>
#include <fat.h>
@@ -210,6 +211,10 @@ int main(int argc, char *argv[]) {
g_system = new OSystem_Wii();
assert(g_system);
+#ifdef DYNAMIC_MODULES
+ PluginManager::instance().addPluginProvider(new WiiPluginProvider());
+#endif
+
res = scummvm_main(argc, argv);
g_system->quit();
diff --git a/backends/plugins/elf-loader.cpp b/backends/plugins/elf-loader.cpp
index 478ec564bf..e1a1b8cef6 100644
--- a/backends/plugins/elf-loader.cpp
+++ b/backends/plugins/elf-loader.cpp
@@ -37,6 +37,11 @@
#include <nds.h>
#endif
+#ifdef __WII__
+#include <malloc.h>
+#include <ogc/cache.h>
+#endif
+
#include "backends/plugins/elf-loader.h"
#include "common/debug.h"
@@ -61,6 +66,10 @@ static void flushDataCache(void *ptr, uint32 len) {
sceKernelDcacheWritebackRange(ptr, len);
sceKernelIcacheInvalidateRange(ptr, len);
#endif
+#ifdef __WII__
+ DCFlushRange(ptr, len);
+ ICInvalidateRange(ptr, len);
+#endif
}
DLObject::DLObject() :
@@ -72,7 +81,8 @@ DLObject::DLObject() :
_dtors_start(0),
_dtors_end(0),
_segmentSize(0),
- _segmentOffset(0) {
+ _segmentOffset(0),
+ _segmentVMA(0) {
}
DLObject::~DLObject() {
@@ -136,6 +146,9 @@ bool DLObject::readElfHeader(Common::SeekableReadStream* DLFile, Elf32_Ehdr *ehd
#ifdef MIPS_TARGET
EM_MIPS
#endif
+#ifdef PPC_TARGET
+ EM_PPC
+#endif
) {
warning("elfloader: Wrong ELF file architecture.");
return false;
@@ -190,6 +203,7 @@ bool DLObject::loadSegment(Common::SeekableReadStream* DLFile, Elf32_Phdr *phdr)
// Get offset to load segment into
baseAddress = (char *)_segment;
_segmentSize = phdr->p_memsz + extra;
+ _segmentVMA = phdr->p_vaddr;
// Set bss segment to 0 if necessary (assumes bss is at the end)
if (phdr->p_memsz > phdr->p_filesz) {
diff --git a/backends/plugins/elf-loader.h b/backends/plugins/elf-loader.h
index c1dd39a52e..b5c0e1355d 100644
--- a/backends/plugins/elf-loader.h
+++ b/backends/plugins/elf-loader.h
@@ -52,6 +52,7 @@ protected:
uint32 _segmentSize;
ptrdiff_t _segmentOffset;
+ uint32 _segmentVMA;
virtual void unload();
bool load(Common::SeekableReadStream* DLFile);
diff --git a/backends/plugins/elf32.h b/backends/plugins/elf32.h
index 9d69a7128e..c83093fed7 100644
--- a/backends/plugins/elf32.h
+++ b/backends/plugins/elf32.h
@@ -82,6 +82,7 @@ typedef struct {
// e_machine values
#define EM_MIPS 8
+#define EM_PPC 20
#define EM_ARM 40
// Program header (contains info about segment)
@@ -233,6 +234,14 @@ typedef struct
#define R_ARM_TARGET1 38
#define R_ARM_V4BX 40
+// PPC relocation types
+#define R_PPC_ADDR32 1
+#define R_PPC_ADDR16_LO 4
+#define R_PPC_ADDR16_HI 5
+#define R_PPC_ADDR16_HA 6
+#define R_PPC_REL24 10
+#define R_PPC_REL32 26
+
// Mock function to get value of global pointer for MIPS
#define getGP() ({ \
unsigned int __valgp; \
diff --git a/backends/plugins/ppc-loader.cpp b/backends/plugins/ppc-loader.cpp
new file mode 100644
index 0000000000..dcd5fceff1
--- /dev/null
+++ b/backends/plugins/ppc-loader.cpp
@@ -0,0 +1,128 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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 2
+ * of the License, or (at your option) any later version.
+
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/branches/gsoc2010-plugins/backends/plugins/arm-loader.cpp $
+ * $Id: arm-loader.cpp 52058 2010-08-13 05:58:11Z toneman1138 $
+ *
+ */
+
+#if defined(DYNAMIC_MODULES) && defined(PPC_TARGET)
+
+#include "backends/plugins/elf-loader.h"
+#include "backends/plugins/ppc-loader.h"
+
+#include "common/debug.h"
+
+bool PPCDLObject::relocate(Common::SeekableReadStream* DLFile, unsigned long offset, unsigned long size, void *relSegment) {
+ Elf32_Rela *rel = NULL;
+
+ if (!(rel = (Elf32_Rela *)malloc(size))) {
+ warning("elfloader: Out of memory.");
+ return false;
+ }
+
+ if (DLFile->seek(offset, SEEK_SET) < 0 ||
+ DLFile->read(rel, size) != size) {
+ warning("elfloader: Relocation table load failed.");
+ free(rel);
+ return false;
+ }
+
+ int cnt = size / sizeof(*rel);
+
+ debug(2, "elfloader: Loaded relocation table. %d entries. base address=%p\n", cnt, relSegment);
+
+ uint32 *src;
+ uint32 value;
+
+ for (int i = 0; i < cnt; i++) {
+ // Get the symbol this relocation entry is referring to
+ Elf32_Sym *sym = (Elf32_Sym *)(_symtab) + (REL_INDEX(rel[i].r_info));
+
+ // Get the target instruction in the code
+ src = (uint32 *)((char *)relSegment + rel[i].r_offset - _segmentVMA);
+ value = sym->st_value + rel[i].r_addend;
+
+ //debug(8, "elfloader: i=%05d %p +0x%04x: (0x%08x) 0x%08x ", i, src, rel[i].r_addend, sym->st_value, *src);
+
+ switch (REL_TYPE(rel[i].r_info)) {
+ case R_PPC_ADDR32:
+ *src = value;
+ debug(8, "elfloader: R_PPC_ADDR32 -> 0x%08x\n", *src);
+ break;
+ case R_PPC_ADDR16_LO:
+ *((uint16 *) src) = value;
+ debug(8, "elfloader: R_PPC_ADDR16_LO -> 0x%08x\n", *src);
+ break;
+ case R_PPC_ADDR16_HI:
+ *(uint16 *) src = value >> 16;
+ debug(8, "elfloader: R_PPC_ADDR16_HA -> 0x%08x\n", *src);
+ break;
+ case R_PPC_ADDR16_HA:
+ *(uint16 *) src = (value + 0x8000) >> 16;
+ debug(8, "elfloader: R_PPC_ADDR16_HA -> 0x%08x\n", *src);
+ break;
+ case R_PPC_REL24:
+ *src = (*src & ~0x03fffffc) | ((value - (uint32) src) & 0x03fffffc);
+ debug(8, "elfloader: R_PPC_REL24 -> 0x%08x\n", *src);
+ break;
+ case R_PPC_REL32:
+ *src = value - (uint32) src;
+ debug(8, "elfloader: R_PPC_REL32 -> 0x%08x\n", *src);
+ break;
+ default:
+ warning("elfloader: Unknown relocation type %d\n", REL_TYPE(rel[i].r_info));
+ free(rel);
+ return false;
+ }
+ }
+
+ free(rel);
+ return true;
+}
+
+bool PPCDLObject::relocateRels(Common::SeekableReadStream* DLFile, Elf32_Ehdr *ehdr, Elf32_Shdr *shdr) {
+ for (int i = 0; i < ehdr->e_shnum; i++) {
+ Elf32_Shdr *curShdr = &(shdr[i]);
+
+ if ((curShdr->sh_type == SHT_REL) &&
+ curShdr->sh_entsize == sizeof(Elf32_Rel) &&
+ (int)curShdr->sh_link == _symtab_sect &&
+ curShdr->sh_info < ehdr->e_shnum &&
+ (shdr[curShdr->sh_info].sh_flags & SHF_ALLOC)) {
+ warning("elfloader: REL entries not supported!\n");
+ return false;
+ }
+
+ if ((curShdr->sh_type == SHT_RELA) &&
+ curShdr->sh_entsize == sizeof(Elf32_Rela) &&
+ (int)curShdr->sh_link == _symtab_sect &&
+ curShdr->sh_info < ehdr->e_shnum &&
+ (shdr[curShdr->sh_info].sh_flags & SHF_ALLOC)) {
+ if (!relocate(DLFile, curShdr->sh_offset, curShdr->sh_size, _segment))
+ return false;
+ }
+ }
+
+ return true;
+}
+
+#endif /* defined(DYNAMIC_MODULES) && defined(PPC_TARGET) */
+
diff --git a/backends/plugins/ppc-loader.h b/backends/plugins/ppc-loader.h
new file mode 100644
index 0000000000..14d1f16720
--- /dev/null
+++ b/backends/plugins/ppc-loader.h
@@ -0,0 +1,40 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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 2
+ * of the License, or (at your option) any later version.
+
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/branches/gsoc2010-plugins/backends/plugins/arm-loader.h $
+ * $Id: arm-loader.h 52053 2010-08-13 02:58:52Z toneman1138 $
+ *
+ */
+
+#if defined(DYNAMIC_MODULES) && defined(PPC_TARGET)
+
+#include "backends/plugins/elf-loader.h"
+
+class PPCDLObject : public DLObject {
+protected:
+ virtual bool relocate(Common::SeekableReadStream* DLFile, unsigned long offset, unsigned long size, void *relSegment);
+ virtual bool relocateRels(Common::SeekableReadStream* DLFile, Elf32_Ehdr *ehdr, Elf32_Shdr *shdr);
+
+public:
+ PPCDLObject() : DLObject() {}
+};
+
+#endif /* defined(DYNAMIC_MODULES) && defined(PPC_TARGET) */
+
diff --git a/backends/plugins/wii/plugin.ld b/backends/plugins/wii/plugin.ld
new file mode 100644
index 0000000000..61b90d3394
--- /dev/null
+++ b/backends/plugins/wii/plugin.ld
@@ -0,0 +1,263 @@
+/*
+ * Linkscript for Wii
+ */
+
+OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc");
+OUTPUT_ARCH(powerpc:common);
+
+PHDRS
+{
+ plugin PT_LOAD FLAGS(7);
+}
+
+SECTIONS
+{
+ . = 0x81000000;
+
+ /* Program */
+ .init :
+ {
+ KEEP (*crt0.o(*.init))
+ KEEP (*(.init))
+ } :plugin = 0
+ .plt : { *(.plt) }
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .gnu.version : { *(.gnu.version) }
+ .gnu.version_d : { *(.gnu.version_d) }
+ .gnu.version_r : { *(.gnu.version_r) }
+ .rel.init : { *(.rel.init) }
+ .rela.init : { *(.rela.init) }
+ .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
+ .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
+ .rel.fini : { *(.rel.fini) }
+ .rela.fini : { *(.rela.fini) }
+ .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
+ .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
+ .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
+ .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
+ .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
+ .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
+ .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
+ .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rela.got1 : { *(.rela.got1) }
+ .rela.got2 : { *(.rela.got2) }
+ .rel.sdata : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) }
+ .rela.sdata : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) }
+ .rel.sbss : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) }
+ .rela.sbss : { *(.rela.sbss .rela.sbss.* .rel.gnu.linkonce.sb.*) }
+ .rel.sdata2 : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) }
+ .rela.sdata2 : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) }
+ .rel.sbss2 : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) }
+ .rela.sbss2 : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) }
+ .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
+ .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+
+ .text :
+ {
+ *(.text)
+ *(.text.*)
+ /* .gnu.warning sections are handled specially by elf32.em. */
+ *(.gnu.warning)
+ *(.gnu.linkonce.t.*)
+ . = ALIGN(32); /* REQUIRED. LD is flaky without it. */
+ } = 0
+
+ .fini :
+ {
+ KEEP (*(.fini))
+ . = ALIGN(32); /* REQUIRED. LD is flaky without it. */
+ } = 0
+
+ PROVIDE (__etext = .);
+ PROVIDE (_etext = .);
+ PROVIDE (etext = .);
+
+ .rodata : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r.*) }
+ .rodata1 : { *(.rodata1) }
+ .sdata2 : { *(.sdata2) *(.sdata2.*) *(.gnu.linkonce.s2.*) }
+ .sbss2 : { *(.sbss2) *(.sbss2.*) *(.gnu.linkonce.sb2.*) }
+ /* Adjust the address for the data segment. We want to adjust up to
+ the same address within the page on the next page up. */
+ /* Ensure the __preinit_array_start label is properly aligned. We
+ could instead move the label definition inside the section, but
+ the linker would then create the section even if it turns out to
+ be empty, which isn't pretty. */
+ . = ALIGN(32 / 8);
+ PROVIDE (__preinit_array_start = .);
+ .preinit_array : { *(.preinit_array) }
+ PROVIDE (__preinit_array_end = .);
+ PROVIDE (__init_array_start = .);
+ .init_array : { *(.init_array) }
+ PROVIDE (__init_array_end = .);
+ PROVIDE (__fini_array_start = .);
+ .fini_array : { *(.fini_array) }
+ PROVIDE (__fini_array_end = .);
+ .data :
+ {
+ *(.data)
+ *(.data.*)
+ *(.gnu.linkonce.d.*)
+ SORT(CONSTRUCTORS)
+ . = ALIGN(32); /* REQUIRED. LD is flaky without it. */
+ }
+
+ .data1 : { *(.data1) }
+ .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
+ .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
+ .eh_frame : { KEEP (*(.eh_frame)) }
+ .gcc_except_table : { *(.gcc_except_table) }
+ .fixup : { *(.fixup) }
+ .got1 : { *(.got1) }
+ .got2 : { *(.got2) }
+ .dynamic : { *(.dynamic) }
+
+ .ctors :
+ {
+ ___plugin_ctors = .;
+ KEEP (*(SORT(.ctors.*)))
+ KEEP (*(.ctors))
+ ___plugin_ctors_end = .;
+ . = ALIGN(32); /* REQUIRED. LD is flaky without it. */
+ }
+
+ .dtors :
+ {
+ ___plugin_dtors = .;
+ KEEP (*(SORT(.dtors.*)))
+ KEEP (*(.dtors))
+ ___plugin_dtors_end = .;
+ . = ALIGN(32); /* REQUIRED. LD is flaky without it. */
+ }
+
+ .jcr : { KEEP (*(.jcr)) }
+ .got : { *(.got.plt) *(.got) }
+
+
+ /* We want the small data sections together, so single-instruction offsets
+ can access them all, and initialized data all before uninitialized, so
+ we can shorten the on-disk segment size. */
+
+ .sdata :
+ {
+ *(.sdata)
+ *(.sdata.*)
+ *(.gnu.linkonce.s.*)
+ . = ALIGN(32); /* REQUIRED. LD is flaky without it. */
+ }
+
+ _edata = .;
+ PROVIDE (edata = .);
+
+ .sbss :
+ {
+ __sbss_start = .;
+ PROVIDE (__sbss_start = .);
+ PROVIDE (___sbss_start = .);
+ *(.dynsbss)
+ *(.sbss)
+ *(.sbss.*)
+ *(.gnu.linkonce.sb.*)
+ *(.scommon)
+ PROVIDE (__sbss_end = .);
+ PROVIDE (___sbss_end = .);
+ . = ALIGN(32); /* REQUIRED. LD is flaky without it. */
+ __sbss_end = .;
+ }
+
+ .bss :
+ {
+ __bss_start = .;
+ PROVIDE (__bss_start = .);
+ *(.dynbss)
+ *(.bss)
+ *(.bss.*)
+ *(.gnu.linkonce.b.*)
+ *(COMMON)
+ /* Align here to ensure that the .bss section occupies space up to
+ _end. Align after .bss to ensure correct alignment even if the
+ .bss section disappears because there are no input sections. */
+
+ . = ALIGN(32);
+
+ PROVIDE (__bss_end = .);
+ __bss_end = .;
+ }
+
+ _end = .;
+ PROVIDE(end = .);
+ /* Stabs debugging sections. */
+ .stab 0 : { *(.stab) }
+ .stabstr 0 : { *(.stabstr) }
+ .stab.excl 0 : { *(.stab.excl) }
+ .stab.exclstr 0 : { *(.stab.exclstr) }
+ .stab.index 0 : { *(.stab.index) }
+ .stab.indexstr 0 : { *(.stab.indexstr) }
+ .comment 0 : { *(.comment) }
+ /* DWARF debug sections.
+ Symbols in the DWARF debugging sections are relative to the beginning
+ of the section so we begin them at 0. */
+ /* DWARF 1 */
+ .debug 0 : { *(.debug) }
+ .line 0 : { *(.line) }
+ /* GNU DWARF 1 extensions */
+ .debug_srcinfo 0 : { *(.debug_srcinfo) }
+ .debug_sfnames 0 : { *(.debug_sfnames) }
+ /* DWARF 1.1 and DWARF 2 */
+ .debug_aranges 0 : { *(.debug_aranges) }
+ .debug_pubnames 0 : { *(.debug_pubnames) }
+ /* DWARF 2 */
+ .debug_info 0 : { *(.debug_info) }
+ .debug_abbrev 0 : { *(.debug_abbrev) }
+ .debug_line 0 : { *(.debug_line) }
+ .debug_frame 0 : { *(.debug_frame) }
+ .debug_str 0 : { *(.debug_str) }
+ .debug_loc 0 : { *(.debug_loc) }
+ .debug_macinfo 0 : { *(.debug_macinfo) }
+ /* SGI/MIPS DWARF 2 extensions */
+ .debug_weaknames 0 : { *(.debug_weaknames) }
+ .debug_funcnames 0 : { *(.debug_funcnames) }
+ .debug_typenames 0 : { *(.debug_typenames) }
+ .debug_varnames 0 : { *(.debug_varnames) }
+ /* These must appear regardless of . */
+}
+
+__isIPL = 0;
+__stack_addr = (__bss_start + SIZEOF(.bss) + 0x20000 + 7) & (-8);
+__stack_end = (__bss_start + SIZEOF(.bss));
+__intrstack_addr = (__stack_addr + 0x4000);
+__intrstack_end = (__stack_addr);
+__Arena1Lo = (__intrstack_addr + 31) & (-32);
+__Arena1Hi = (0x816ffff0);
+__Arena2Lo = (0x90002000);
+__Arena2Hi = (0x933E0000);
+
+__gxregs = (__Arena1Hi + 31) & (-32);
+__ipcbufferLo = (0x933e0000);
+__ipcbufferHi = (0x93400000);
+
+/* for backward compatibility with old crt0 */
+PROVIDE (__stack = (0x816ffff0));
+
+PROVIDE(__isIPL = __isIPL);
+PROVIDE(__stack_addr = __stack_addr);
+PROVIDE(__stack_end = __stack_end);
+PROVIDE(__intrstack_addr = __intrstack_addr);
+PROVIDE(__intrstack_end = __intrstack_end);
+PROVIDE(__Arena1Lo = __Arena1Lo);
+PROVIDE(__Arena1Hi = __Arena1Hi);
+PROVIDE(__Arena2Lo = __Arena2Lo);
+PROVIDE(__Arena2Hi = __Arena2Hi);
+PROVIDE(__ipcbufferLo = __ipcbufferLo);
+PROVIDE(__ipcbufferHi = __ipcbufferHi);
+PROVIDE(__gxregs = __gxregs);
diff --git a/backends/plugins/wii/wii-provider.h b/backends/plugins/wii/wii-provider.h
new file mode 100644
index 0000000000..a299ff4add
--- /dev/null
+++ b/backends/plugins/wii/wii-provider.h
@@ -0,0 +1,45 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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 2
+ * of the License, or (at your option) any later version.
+
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/branches/gsoc2010-plugins/backends/plugins/ds/ds-provider.h $
+ * $Id: ds-provider.h 52112 2010-08-16 08:41:04Z toneman1138 $
+ *
+ */
+
+#if defined(DYNAMIC_MODULES) && defined(__WII__)
+
+#include "backends/plugins/elf-provider.h"
+#include "backends/plugins/ppc-loader.h"
+
+class WiiPluginProvider : public ELFPluginProvider {
+ class WiiPlugin : public ELFPlugin {
+ public:
+ WiiPlugin(const Common::String &filename) : ELFPlugin(filename) {}
+
+ DLObject *makeDLObject() { return new PPCDLObject(); }
+ };
+
+public:
+ Plugin* createPlugin(const Common::FSNode &node) const {
+ return new WiiPlugin(node.getPath());
+ }
+};
+
+#endif // defined(DYNAMIC_MODULES) && defined(__WII__)
diff --git a/configure b/configure
index 71ef798c52..bf594c255a 100755
--- a/configure
+++ b/configure
@@ -1418,6 +1418,10 @@ case $_host_os in
CXXFLAGS="$CXXFLAGS -I$DEVKITPRO/libogc/include"
# libogc is required to link the cc tests (includes _start())
LDFLAGS="$LDFLAGS -mogc -mcpu=750 -L$DEVKITPRO/libogc/lib/cube -logc"
+ if test "$_dynamic_modules" = "yes" ; then
+ # retarded toolchain patch forces --gc-sections, overwrite it
+ LDFLAGS="$LDFLAGS -Wl,--no-gc-sections"
+ fi
;;
haiku*)
DEFINES="$DEFINES -DSYSTEM_NOT_SUPPORTING_D_TYPE"
@@ -1478,6 +1482,10 @@ case $_host_os in
CXXFLAGS="$CXXFLAGS -I$DEVKITPRO/libogc/include"
# libogc is required to link the cc tests (includes _start())
LDFLAGS="$LDFLAGS -mrvl -mcpu=750 -L$DEVKITPRO/libogc/lib/wii -logc"
+ if test "$_dynamic_modules" = "yes" ; then
+ # retarded toolchain patch forces --gc-sections, overwrite it
+ LDFLAGS="$LDFLAGS -Wl,--no-gc-sections"
+ fi
;;
wince)
CXXFLAGS="$CXXFLAGS -O3 -march=armv4 -mtune=xscale"
@@ -1971,6 +1979,23 @@ PRE_OBJS_FLAGS := -Wl,-export-dynamic -Wl,-whole-archive
POST_OBJS_FLAGS := -Wl,-no-whole-archive
'
;;
+ gamecube | wii)
+DEFINES="$DEFINES -DELF_LOADER_TARGET -DPPC_TARGET -DONE_PLUGIN_AT_A_TIME"
+_def_plugin='
+#define PLUGIN_PREFIX ""
+#define PLUGIN_SUFFIX ".plg"
+'
+_mak_plugins='
+DYNAMIC_MODULES := 1
+PLUGIN_PREFIX :=
+PLUGIN_SUFFIX := .plg
+PLUGIN_EXTRA_DEPS = $(EXECUTABLE)
+CXXFLAGS += -DDYNAMIC_MODULES
+PLUGIN_LDFLAGS = -nostartfiles -Wl,-q,--just-symbols,$(EXECUTABLE),-T$(srcdir)/backends/plugins/wii/plugin.ld -Wl,--retain-symbols-file,$(srcdir)/backends/plugins/plugin.syms
+PRE_OBJS_FLAGS := -Wl,--whole-archive
+POST_OBJS_FLAGS := -Wl,--no-whole-archive
+'
+ ;;
gp2xwiz*)
_def_plugin='
#define PLUGIN_PREFIX ""