/* * Generic thunking code to convert data between host and target CPU * * Copyright (c) 2003 Fabrice Bellard * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include "qemu.h" #include "thunk.h" //#define DEBUG #define MAX_STRUCTS 128 /* XXX: make it dynamic */ StructEntry struct_entries[MAX_STRUCTS]; static inline const argtype *thunk_type_next(const argtype *type_ptr) { int type; type = *type_ptr++; switch(type) { case TYPE_CHAR: case TYPE_SHORT: case TYPE_INT: case TYPE_LONGLONG: case TYPE_ULONGLONG: case TYPE_LONG: case TYPE_ULONG: case TYPE_PTRVOID: return type_ptr; case TYPE_PTR: return thunk_type_next(type_ptr); case TYPE_ARRAY: return thunk_type_next(type_ptr + 1); case TYPE_STRUCT: return type_ptr + 1; default: return NULL; } } void thunk_register_struct(int id, const char *name, const argtype *types) { const argtype *type_ptr; StructEntry *se; int nb_fields, offset, max_align, align, size, i, j; se = struct_entries + id; /* first we count the number of fields */ type_ptr = types; nb_fields = 0; while (*type_ptr != TYPE_NULL) { type_ptr = thunk_type_next(type_ptr); nb_fields++; } se->field_types = types; se->nb_fields = nb_fields; se->name = name; #ifdef DEBUG printf("struct %s: id=%d nb_fields=%d\n", se->name, id, se->nb_fields); #endif /* now we can alloc the data */ for(i = 0;i < 2; i++) { offset = 0; max_align = 1; se->field_offsets[i] = malloc(nb_fields * sizeof(int)); type_ptr = se->field_types; for(j = 0;j < nb_fields; j++) { size = thunk_type_size(type_ptr, i); align = thunk_type_align(type_ptr, i); offset = (offset + align - 1) & ~(align - 1); se->field_offsets[i][j] = offset; offset += size; if (align > max_align) max_align = align; type_ptr = thunk_type_next(type_ptr); } offset = (offset + max_align - 1) & ~(max_align - 1); se->size[i] = offset; se->align[i] = max_align; #ifdef DEBUG printf("%s: size=%d align=%d\n", i == THUNK_HOST ? "host" : "target", offset, max_align); #endif } } void thunk_register_struct_direct(int id, const char *name, StructEntry *se1) { StructEntry *se; se = struct_entries + id; *se = *se1; se->name = name; } /* now we can define the main conversion functions */ const argtype *thunk_convert(void *dst, const void *src, const argtype *type_ptr, int to_host) { int type; type = *type_ptr++; switch(type) { case TYPE_CHAR: *(uint8_t *)dst = *(uint8_t *)src; break; case TYPE_SHORT: *(uint16_t *)dst = tswap16(*(uint16_t *)src); break; case TYPE_INT: *(uint32_t *)dst = tswap32(*(uint32_t *)src); break; case TYPE_LONGLONG: case TYPE_ULONGLONG: *(uint64_t *)dst = tswap64(*(uint64_t *)src); break; #if HOST_LONG_BITS == 32 && TARGET_LONG_BITS == 32 case TYPE_LONG: case TYPE_ULONG: case TYPE_PTRVOID: *(uint32_t *)dst = tswap32(*(uint32_t *)src); break; #elif HOST_LONG_BITS == 64 && TARGET_LONG_BITS == 32 case TYPE_LONG: case TYPE_ULONG: case TYPE_PTRVOID: if (to_host) { *(uint64_t *)dst = tswap32(*(uint32_t *)src); } else { *(uint32_t *)dst = tswap32(*(uint64_t *)src & 0xffffffff); } break; #else #warning unsupporte
/**
 * This file has a different license to the rest of the GFX system.
 * You can copy, modify and distribute this file as you see fit.
 * You do not need to publish your source modifications to this file.
 * The only thing you are not permitted to do is to relicense it
 * under a different license.
 */

#ifndef _GFXCONF_H
#define _GFXCONF_H

/* GFX sub-systems to turn on */
#define GFX_USE_GDISP			TRUE
#define GFX_USE_GWIN			TRUE
#define GFX_USE_GEVENT			FALSE
#define GFX_USE_GTIMER			FALSE
#define GFX_USE_GINPUT			FALSE

/* Features for the GDISP sub-system. */
#define GDISP_NEED_VALIDATION	TRUE
#define GDISP_NEED_CLIP			TRUE
#define GDISP_NEED_TEXT			FALSE
#define GDISP_NEED_CIRCLE		TRUE
#define GDISP_NEED_ELLIPSE		FALSE
#define GDISP_NEED_ARC			FALSE
#define GDISP_NEED_SCROLL		FALSE
#define GDISP_NEED_PIXELREAD	FALSE
#define GDISP_NEED_CONTROL		FALSE
#define GDISP_NEED_MULTITHREAD	FALSE
#define GDISP_NEED_ASYNC		FALSE
#define GDISP_NEED_MSGAPI		FALSE

#endif /* _GFXCONF_H */
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