95 lines
2.9 KiB
C
95 lines
2.9 KiB
C
// Copyright 2021 Bradley D. Nelson
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#define _USING_V110_SDK71_ 1
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#include "windows.h"
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#include <immintrin.h>
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#define CALLTYPE WINAPI
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#if defined(_M_X64)
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# define SSMOD_FUNC \
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--sp; cell_t b, a = _mul128(*sp, sp[1], &b); b = _div128(b, a, tos, sp); \
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if (*sp < 0) { *sp += tos; tos = b - 1; } else { tos = b; }
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#elif defined(_M_IX86)
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# define SSMOD_FUNC \
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--sp; __int64 a = (__int64) *sp * (__int64) sp[1]; cell_t b = _div64(a, tos, sp); \
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if (*sp < 0) { *sp += tos; tos = b - 1; } else { tos = b; }
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#endif
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#include "common/opcodes.h"
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#include "common/extra_opcodes.h"
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#include "common/floats.h"
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#include "common/calling.h"
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#include "common/calls.h"
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#define HEAP_SIZE (10 * 1024 * 1024)
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#define STACK_CELLS (8 * 1024)
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static LRESULT WindowProcShim(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
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#define PLATFORM_OPCODE_LIST \
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Y(GetProcAddress, \
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tos = (cell_t) GetProcAddress((HMODULE) *sp, (LPCSTR) tos); --sp) \
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Y(LoadLibraryA, tos = (cell_t) LoadLibraryA((LPCSTR) tos)) \
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Y(WindowProcShim, DUP; tos = (cell_t) &WindowProcShim) \
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CALLING_OPCODE_LIST \
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FLOATING_POINT_LIST
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#define VOCABULARY_LIST V(forth) V(internals)
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#include "common/core.h"
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#include "windows/interp.h"
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#include "gen/windows_boot.h"
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static LRESULT WindowProcShim(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {
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if (msg == WM_NCCREATE) {
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SetWindowLongPtr(
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hwnd, GWLP_USERDATA,
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(LONG_PTR) ((CREATESTRUCT *) lParam)->lpCreateParams);
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}
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if (!GetWindowLongPtr(hwnd, GWLP_USERDATA)) {
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return DefWindowProc(hwnd, msg, wParam, lParam);
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}
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cell_t stacks[STACK_CELLS * 3 + 4];
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cell_t *at = stacks;
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at += 4;
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float *fp = (float *) (at + 1); at += STACK_CELLS;
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cell_t *rp = at + 1; at += STACK_CELLS;
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cell_t *sp = at + 1; at += STACK_CELLS;
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cell_t *ip = (cell_t *) GetWindowLongPtr(hwnd, GWLP_USERDATA);
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cell_t tos = 0;
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DUP; tos = (cell_t) hwnd;
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DUP; tos = (cell_t) msg;
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DUP; tos = (cell_t) wParam;
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DUP; tos = (cell_t) lParam;
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PARK;
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rp = forth_run(rp);
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UNPARK;
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return tos;
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}
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#ifdef UEFORTH_MINIMAL
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int WINAPI WinMainCRTStartup(void) {
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#else
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int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmd, int show) {
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#endif
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void *heap = VirtualAlloc(
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(void *) 0x8000000, HEAP_SIZE,
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MEM_RESERVE | MEM_COMMIT, PAGE_EXECUTE_READWRITE);
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forth_init(0, 0, heap, HEAP_SIZE, boot, sizeof(boot));
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for (;;) { g_sys->rp = forth_run(g_sys->rp); }
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}
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