mirror of
https://github.com/LuaJIT/LuaJIT.git
synced 2025-02-07 15:14:08 +00:00
Add XBox 360 port.
Thanks to Eddie Edwards.
This commit is contained in:
Mike Pall
parent
2c293a96de
commit
89e4650bae
@ -134,9 +134,9 @@ operating systems, CPUs and compilers:
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<tr class="even">
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<td class="compatcpu"><a href="#cross2">PPC</a></td>
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<td class="compatos">GCC 4.3+</td>
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<td class="compatos">GCC 4.3+<br>GCC 4.1 (<a href="#cross2">PS3</a>)</td>
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<td class="compatos compatno"> </td>
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<td class="compatos">GCC 4.3+<br>GCC 4.1 (<a href="#ps3">PS3</a>)</td>
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<td class="compatos compatno"> </td>
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<td class="compatos">XEDK (<a href="#xbox360">XBox 360</a>)</td>
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</tr>
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<tr class="odd">
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<td class="compatcpu"><a href="#cross2">PPC/e500v2</a></td>
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@ -376,7 +376,7 @@ CPU.
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make HOST_CC="gcc -m32" CROSS=arm-linux-gnueabi- \
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TARGET_CFLAGS="-mfloat-abi=soft"
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# ARM soft-float ABI with VFP (example for Cortex-a8)
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# ARM soft-float ABI with VFP (example for Cortex-A8)
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make HOST_CC="gcc -m32" CROSS=arm-linux-gnueabi- \
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TARGET_CFLAGS="-mcpu=cortex-a8 -mfloat-abi=softfp"
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@ -387,8 +387,6 @@ make HOST_CC="gcc -m32" CROSS=arm-linux-gnueabihf-
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make HOST_CC="gcc -m32" CROSS=powerpc-linux-gnu-
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# PPC/e500v2 (fast interpreter only)
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make HOST_CC="gcc -m32" CROSS=powerpc-e500v2-linux-gnuspe-
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# PS3 (fast interpreter only)
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make HOST_CC="gcc -m32" CROSS=ppu-lv2-
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# MIPS big-endian
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make HOST_CC="gcc -m32" CROSS=mips-linux-
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@ -460,6 +458,30 @@ ISDKF="-arch armv7 -isysroot $ISDK/SDKs/$ISDKVER"
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make HOST_CC="gcc -m32 -arch i386" CROSS=$ISDKP TARGET_FLAGS="$ISDKF" \
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TARGET_SYS=iOS
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</pre>
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<p>
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You can cross-compile for <b id="ps3">PS3</b> using the PS3 SDK from
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a Linux host or a Windows host (requires 32 bit MinGW (GCC) on the host,
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too). Due to restrictions on consoles, the JIT compiler is disabled and
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only the fast interpreter is built:
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</p>
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<pre class="code">
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make HOST_CC="gcc -m32" CROSS=ppu-lv2-
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</pre>
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<p>
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You can cross-compile for <b id="xbox360">XBox 360</b> using the
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XBox 360 SDK (MSVC + XEDK). Due to restrictions on consoles, the
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JIT compiler is disabled and only the fast interpreter is built.
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</p>
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<p>
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Open a "Visual Studio .NET Command Prompt" (32 bit host compiler),
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<tt>cd</tt> to the directory where you've unpacked the sources and run
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the following commands. This builds a static library <tt>luajit20.lib</tt>,
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which can be linked against your game, just like the Lua library.
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</p>
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<pre class="code">
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cd src
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xedkbuild
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</pre>
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<h2 id="embed">Embedding LuaJIT</h2>
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<p>
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@ -158,7 +158,7 @@ LuaJIT is Copyright © 2005-2012 Mike Pall, released under the
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<tr><td>Windows</td><td>Linux</td><td>BSD</td><td>OSX</td><td>POSIX</td></tr>
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</table>
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<table class="feature os os2">
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<tr><td><span style="font-size:90%;">Embedded</span></td><td>Android</td><td>iOS</td><td>PS3</td></tr>
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<tr><td><span style="font-size:90%;">Embedded</span></td><td>Android</td><td>iOS</td><td>PS3</td><td>XBox 360</td></tr>
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</table>
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<table class="feature compiler">
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<tr><td>GCC</td><td>CLANG<br>LLVM</td><td>MSVC</td></tr>
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@ -100,6 +100,8 @@ static const char *sym_decorate(BuildCtx *ctx,
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char *p;
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#if LJ_64
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const char *symprefix = ctx->mode == BUILD_machasm ? "_" : "";
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#elif LJ_TARGET_XBOX360
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const char *symprefix = "";
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#else
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const char *symprefix = ctx->mode != BUILD_elfasm ? "_" : "";
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#endif
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@ -136,7 +138,11 @@ static int collect_reloc(BuildCtx *ctx, uint8_t *addr, int idx, int type)
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ctx->reloc[ctx->nreloc].sym = relocmap[idx];
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ctx->reloc[ctx->nreloc].type = type;
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ctx->nreloc++;
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#if LJ_TARGET_XBOX360
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return (int)(ctx->code - addr) + 4; /* Encode symbol offset of .text. */
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#else
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return 0; /* Encode symbol offset of 0. */
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#endif
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}
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/* Naive insertion sort. Performance doesn't matter here. */
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@ -9,7 +9,7 @@
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#include "buildvm.h"
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#include "lj_bc.h"
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#if LJ_TARGET_X86ORX64
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#if LJ_TARGET_X86ORX64 || LJ_TARGET_PPC
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/* Context for PE object emitter. */
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static char *strtab;
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@ -84,11 +84,21 @@ typedef struct PEsymaux {
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#define PEOBJ_ARCH_TARGET 0x014c
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#define PEOBJ_RELOC_REL32 0x14 /* MS: REL32, GNU: DISP32. */
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#define PEOBJ_RELOC_DIR32 0x06
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#define PEOBJ_RELOC_OFS 0
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#define PEOBJ_TEXT_FLAGS 0x60500020 /* 60=r+x, 50=align16, 20=code. */
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#elif LJ_TARGET_X64
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#define PEOBJ_ARCH_TARGET 0x8664
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#define PEOBJ_RELOC_REL32 0x04 /* MS: REL32, GNU: DISP32. */
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#define PEOBJ_RELOC_DIR32 0x02
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#define PEOBJ_RELOC_ADDR32NB 0x03
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#define PEOBJ_RELOC_OFS 0
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#define PEOBJ_TEXT_FLAGS 0x60500020 /* 60=r+x, 50=align16, 20=code. */
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#elif LJ_TARGET_PPC
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#define PEOBJ_ARCH_TARGET 0x01f2
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#define PEOBJ_RELOC_REL32 0x06
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#define PEOBJ_RELOC_DIR32 0x02
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#define PEOBJ_RELOC_OFS (-4)
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#define PEOBJ_TEXT_FLAGS 0x60400020 /* 60=r+x, 40=align8, 20=code. */
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#endif
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/* Section numbers (0-based). */
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@ -170,12 +180,6 @@ void emit_peobj(BuildCtx *ctx)
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int i, nrsym;
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union { uint8_t b; uint32_t u; } host_endian;
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host_endian.u = 1;
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if (host_endian.b != LJ_ENDIAN_SELECT(1, 0)) {
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fprintf(stderr, "Error: different byte order for host and target\n");
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exit(1);
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}
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sofs = sizeof(PEheader) + PEOBJ_NSECTIONS*sizeof(PEsection);
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/* Fill in PE sections. */
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@ -186,7 +190,7 @@ void emit_peobj(BuildCtx *ctx)
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pesect[PEOBJ_SECT_TEXT].relocofs = sofs;
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sofs += (pesect[PEOBJ_SECT_TEXT].nreloc = (uint16_t)ctx->nreloc) * PEOBJ_RELOC_SIZE;
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/* Flags: 60 = read+execute, 50 = align16, 20 = code. */
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pesect[PEOBJ_SECT_TEXT].flags = 0x60500020;
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pesect[PEOBJ_SECT_TEXT].flags = PEOBJ_TEXT_FLAGS;
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#if LJ_TARGET_X64
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memcpy(pesect[PEOBJ_SECT_PDATA].name, ".pdata", sizeof(".pdata")-1);
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@ -236,10 +240,22 @@ void emit_peobj(BuildCtx *ctx)
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owrite(ctx, &pesect, sizeof(PEsection)*PEOBJ_NSECTIONS);
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/* Write .text section. */
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host_endian.u = 1;
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if (host_endian.b != LJ_ENDIAN_SELECT(1, 0)) {
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#if LJ_TARGET_PPC
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uint32_t *p = (uint32_t *)ctx->code;
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int n = (int)(ctx->codesz >> 2);
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for (i = 0; i < n; i++, p++)
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*p = lj_bswap(*p); /* Byteswap .text section. */
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#else
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fprintf(stderr, "Error: different byte order for host and target\n");
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exit(1);
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#endif
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}
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owrite(ctx, ctx->code, ctx->codesz);
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for (i = 0; i < ctx->nreloc; i++) {
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PEreloc reloc;
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reloc.vaddr = (uint32_t)ctx->reloc[i].ofs;
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reloc.vaddr = (uint32_t)ctx->reloc[i].ofs + PEOBJ_RELOC_OFS;
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reloc.symidx = 1+2+ctx->reloc[i].sym; /* Reloc syms are after .text sym. */
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reloc.type = ctx->reloc[i].type ? PEOBJ_RELOC_REL32 : PEOBJ_RELOC_DIR32;
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owrite(ctx, &reloc, PEOBJ_RELOC_SIZE);
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@ -398,7 +398,7 @@
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#endif
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/* Various workarounds for embedded operating systems. */
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#if (defined(__ANDROID__) && !defined(LJ_TARGET_X86ORX64)) || defined(__symbian__)
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#if (defined(__ANDROID__) && !defined(LJ_TARGET_X86ORX64)) || defined(__symbian__) || LJ_TARGET_XBOX360
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#define LUAJIT_NO_LOG2
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#endif
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#if defined(__symbian__)
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32
src/lj_def.h
32
src/lj_def.h
@ -242,12 +242,18 @@ static LJ_AINLINE uint32_t lj_getu32(const void *p)
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#define LJ_FASTCALL __fastcall
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#endif
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#ifdef _M_PPC
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#pragma intrinsic(_CountLeadingZeros)
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unsigned int _CountLeadingZeros(long);
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static LJ_AINLINE uint32_t lj_fls(uint32_t x)
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{
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return _CountLeadingZeros(x) ^ 31;
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}
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#else
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#pragma intrinsic(_BitScanForward)
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#pragma intrinsic(_BitScanReverse)
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unsigned char _BitScanForward(uint32_t *, unsigned long);
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unsigned char _BitScanReverse(uint32_t *, unsigned long);
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unsigned long _byteswap_ulong(unsigned long);
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uint64_t _byteswap_uint64(uint64_t);
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static LJ_AINLINE uint32_t lj_ffs(uint32_t x)
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{
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@ -258,13 +264,33 @@ static LJ_AINLINE uint32_t lj_fls(uint32_t x)
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{
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uint32_t r; _BitScanReverse(&r, x); return r;
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}
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#endif
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unsigned long _byteswap_ulong(unsigned long);
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uint64_t _byteswap_uint64(uint64_t);
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#define lj_bswap(x) (_byteswap_ulong((x)))
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#define lj_bswap64(x) (_byteswap_uint64((x)))
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/* MSVC is only supported on x86/x64, where unaligned loads are always ok. */
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#if defined(_M_PPC) && defined(LUAJIT_NO_UNALIGNED)
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/*
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** Replacement for unaligned loads on XBox 360. Disabled by default since it's
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** usually more costly than the occasional stall when crossing a cache-line.
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*/
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static LJ_AINLINE uint16_t lj_getu16(const void *v)
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{
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const uint8_t *p = (const uint8_t *)v;
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return (uint16_t)((p[0]<<8) | p[1]);
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}
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static LJ_AINLINE uint32_t lj_getu32(const void *v)
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{
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const uint8_t *p = (const uint8_t *)v;
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return (uint32_t)((p[0]<<24) | (p[1]<<16) | (p[2]<<8) | p[3]);
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}
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#else
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/* Unaligned loads are generally ok on x86/x64. */
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#define lj_getu16(p) (*(uint16_t *)(p))
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#define lj_getu32(p) (*(uint32_t *)(p))
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#endif
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#else
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#error "missing defines for your compiler"
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@ -104,7 +104,16 @@ enum {
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#endif
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#define CFRAME_SHIFT_MULTRES 3
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#elif LJ_TARGET_PPC
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#if LJ_ARCH_PPC64
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#if LJ_TARGET_XBOX360
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#define CFRAME_OFS_ERRF 424
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#define CFRAME_OFS_NRES 420
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#define CFRAME_OFS_PREV 400
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#define CFRAME_OFS_L 416
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#define CFRAME_OFS_PC 412
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#define CFRAME_OFS_MULTRES 408
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#define CFRAME_SIZE 384
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#define CFRAME_SHIFT_MULTRES 3
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#elif LJ_ARCH_PPC64
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#define CFRAME_OFS_ERRF 472
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#define CFRAME_OFS_NRES 468
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#define CFRAME_OFS_PREV 448
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@ -21,6 +21,7 @@
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|// Note: a full PPC64 _LP64 port is not planned.
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|// GPR64 64 bit registers (but possibly 32 bit pointers, e.g. PS3).
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|// Affects reg saves, stack layout, carry/overflow/dot flags etc.
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|// FRAME32 Use 32 bit frame layout, even with GPR64 (XBox 360).
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|// TOC Need table of contents (64 bit or 32 bit variant, e.g. PS3).
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|// Function pointers are really a struct: code, TOC, env (optional).
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|// TOCENV Function pointers have an environment pointer, too (not on PS3).
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@ -128,6 +129,37 @@
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|
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|// Stack layout while in interpreter. Must match with lj_frame.h.
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|.if GPR64
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|.if FRAME32
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|
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|// 456(sp) // \ 32/64 bit C frame info
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|.define TONUM_LO, 452(sp) // |
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|.define TONUM_HI, 448(sp) // |
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|.define TMPD_LO, 444(sp) // |
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|.define TMPD_HI, 440(sp) // |
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|.define SAVE_CR, 432(sp) // | 64 bit CR save.
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|.define SAVE_ERRF, 424(sp) // > Parameter save area.
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|.define SAVE_NRES, 420(sp) // |
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|.define SAVE_L, 416(sp) // |
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|.define SAVE_PC, 412(sp) // |
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|.define SAVE_MULTRES, 408(sp) // |
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|.define SAVE_CFRAME, 400(sp) // / 64 bit C frame chain.
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|// 392(sp) // Reserved.
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|.define CFRAME_SPACE, 384 // Delta for sp.
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|// Back chain for sp: 384(sp) <-- sp entering interpreter
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|.define SAVE_LR, 376(sp) // 32 bit LR stored in hi-part.
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|.define SAVE_GPR_, 232 // .. 232+18*8: 64 bit GPR saves.
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|.define SAVE_FPR_, 88 // .. 88+18*8: 64 bit FPR saves.
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|// 80(sp) // Needed for 16 byte stack frame alignment.
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|// 16(sp) // Callee parameter save area (ABI mandated).
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|// 8(sp) // Reserved
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|// Back chain for sp: 0(sp) <-- sp while in interpreter
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|// 32 bit sp stored in hi-part of 0(sp).
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|
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|.define TMPD_BLO, 447(sp)
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|.define TMPD, TMPD_HI
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|.define TONUM_D, TONUM_HI
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|
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|.else
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|
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|// 508(sp) // \ 32 bit C frame info.
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|.define SAVE_ERRF, 472(sp) // |
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@ -155,6 +187,7 @@
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|.define TMPD, TMPD_HI
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|.define TONUM_D, TONUM_HI
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|
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|.endif
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|.else
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|
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|.define SAVE_LR, 276(sp)
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@ -201,7 +234,7 @@
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|.endmacro
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|
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|.macro saveregs
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|.if GPR64
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|.if GPR64 and not FRAME32
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| stdu sp, -CFRAME_SPACE(sp)
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|.else
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| stwu sp, -CFRAME_SPACE(sp)
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@ -209,7 +242,7 @@
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| save_ 14; save_ 15; save_ 16
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| mflr r0
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| save_ 17; save_ 18; save_ 19; save_ 20; save_ 21; save_ 22
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|.if GPR64
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|.if GPR64 and not FRAME32
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| std r0, SAVE_LR
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|.else
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| stw r0, SAVE_LR
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@ -226,10 +259,15 @@
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|.endmacro
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|
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|.macro restoreregs
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|.if GPR64
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| ld r0, SAVE_LR; ld r12, SAVE_CR
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|.if GPR64 and not FRAME32
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| ld r0, SAVE_LR
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|.else
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| lwz r0, SAVE_LR; lwz r12, SAVE_CR
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| lwz r0, SAVE_LR
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|.endif
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|.if GPR64
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| ld r12, SAVE_CR
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|.else
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| lwz r12, SAVE_CR
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|.endif
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| rest_ 14; rest_ 15; rest_ 16; rest_ 17; rest_ 18; rest_ 19
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| mtlr r0;
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91
src/xedkbuild.bat
Normal file
91
src/xedkbuild.bat
Normal file
@ -0,0 +1,91 @@
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@rem Script to build LuaJIT with the XBox 360 SDK.
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@rem Donated to the public domain.
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@rem
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@rem Open a "Visual Studio .NET Command Prompt" (32 bit host compiler)
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@rem Then cd to this directory and run this script.
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@if not defined INCLUDE goto :FAIL
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@if not defined XEDK goto :FAIL
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@setlocal
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@rem ---- Host compiler ----
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@set LJCOMPILE=cl /nologo /c /MD /O2 /W3 /D_CRT_SECURE_NO_DEPRECATE
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@set LJLINK=link /nologo
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@set LJMT=mt /nologo
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@set DASMDIR=..\dynasm
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@set DASM=%DASMDIR%\dynasm.lua
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@set ALL_LIB=lib_base.c lib_math.c lib_bit.c lib_string.c lib_table.c lib_io.c lib_os.c lib_package.c lib_debug.c lib_jit.c lib_ffi.c
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%LJCOMPILE% host\minilua.c
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@if errorlevel 1 goto :BAD
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%LJLINK% /out:minilua.exe minilua.obj
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@if errorlevel 1 goto :BAD
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if exist minilua.exe.manifest^
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%LJMT% -manifest minilua.exe.manifest -outputresource:minilua.exe
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@rem Error out for 64 bit host compiler
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@minilua
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@if errorlevel 8 goto :FAIL
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@set DASMFLAGS=-D GPR64 -D FRAME32 -D PPE -D SQRT -D DUALNUM
|
||||
minilua %DASM% -LN %DASMFLAGS% -o host\buildvm_arch.h vm_ppc.dasc
|
||||
@if errorlevel 1 goto :BAD
|
||||
|
||||
%LJCOMPILE% /I "." /I %DASMDIR% /D_XBOX_VER=200 /DLUAJIT_TARGET=LUAJIT_ARCH_PPC host\buildvm*.c
|
||||
@if errorlevel 1 goto :BAD
|
||||
%LJLINK% /out:buildvm.exe buildvm*.obj
|
||||
@if errorlevel 1 goto :BAD
|
||||
if exist buildvm.exe.manifest^
|
||||
%LJMT% -manifest buildvm.exe.manifest -outputresource:buildvm.exe
|
||||
|
||||
buildvm -m peobj -o lj_vm.obj
|
||||
@if errorlevel 1 goto :BAD
|
||||
buildvm -m bcdef -o lj_bcdef.h %ALL_LIB%
|
||||
@if errorlevel 1 goto :BAD
|
||||
buildvm -m ffdef -o lj_ffdef.h %ALL_LIB%
|
||||
@if errorlevel 1 goto :BAD
|
||||
buildvm -m libdef -o lj_libdef.h %ALL_LIB%
|
||||
@if errorlevel 1 goto :BAD
|
||||
buildvm -m recdef -o lj_recdef.h %ALL_LIB%
|
||||
@if errorlevel 1 goto :BAD
|
||||
buildvm -m vmdef -o jit\vmdef.lua %ALL_LIB%
|
||||
@if errorlevel 1 goto :BAD
|
||||
buildvm -m folddef -o lj_folddef.h lj_opt_fold.c
|
||||
@if errorlevel 1 goto :BAD
|
||||
|
||||
@rem ---- Cross compiler ----
|
||||
@set LJCOMPILE="%XEDK%\bin\win32\cl" /nologo /c /MT /O2 /W3 /GF /Gm- /GR- /GS- /Gy /openmp- /D_CRT_SECURE_NO_DEPRECATE /DNDEBUG /D_XBOX /D_LIB /DLUAJIT_USE_SYSMALLOC
|
||||
@set LJLIB="%XEDK%\bin\win32\lib" /nologo
|
||||
|
||||
@if "%1" neq "debug" goto :NODEBUG
|
||||
@shift
|
||||
@set LJCOMPILE="%LJCOMPILE%" /Zi
|
||||
:NODEBUG
|
||||
@if "%1"=="amalg" goto :AMALG
|
||||
%LJCOMPILE% /DLUA_BUILD_AS_DLL lj_*.c lib_*.c
|
||||
@if errorlevel 1 goto :BAD
|
||||
%LJLIB% /OUT:luajit20.lib lj_*.obj lib_*.obj
|
||||
@if errorlevel 1 goto :BAD
|
||||
@goto :NOAMALG
|
||||
:AMALG
|
||||
%LJCOMPILE% /DLUA_BUILD_AS_DLL ljamalg.c
|
||||
@if errorlevel 1 goto :BAD
|
||||
%LJLIB% /OUT:luajit20.lib ljamalg.obj lj_vm.obj
|
||||
@if errorlevel 1 goto :BAD
|
||||
:NOAMALG
|
||||
|
||||
@del *.obj *.manifest minilua.exe buildvm.exe
|
||||
@echo.
|
||||
@echo === Successfully built LuaJIT for XBox 360 ===
|
||||
|
||||
@goto :END
|
||||
:BAD
|
||||
@echo.
|
||||
@echo *******************************************************
|
||||
@echo *** Build FAILED -- Please check the error messages ***
|
||||
@echo *******************************************************
|
||||
@goto :END
|
||||
:FAIL
|
||||
@echo To run this script you must open a "Visual Studio .NET Command Prompt"
|
||||
@echo (32 bit host compiler). The XBox 360 SDK must be installed, too.
|
||||
:END
|
||||
Loading…
Reference in New Issue
Block a user