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/* |
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* thunks.cpp - Thunks to share data and code with MacOS |
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* |
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* SheepShaver (C) 1997-2002 Christian Bauer and Marc Hellwig |
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* SheepShaver (C) 1997-2008 Christian Bauer and Marc Hellwig |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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uint32 opcode; |
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switch (selector) { |
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case NATIVE_CHECK_LOAD_INVOC: |
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case NATIVE_NAMED_CHECK_LOAD_INVOC: |
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case NATIVE_NQD_SYNC_HOOK: |
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case NATIVE_NQD_BITBLT_HOOK: |
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case NATIVE_NQD_FILLRECT_HOOK: |
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case NATIVE_NQD_UNKNOWN_HOOK: |
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case NATIVE_NQD_BITBLT: |
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case NATIVE_NQD_INVRECT: |
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case NATIVE_NQD_FILLRECT: |
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opcode = POWERPC_NATIVE_OP(0, selector); |
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break; |
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case NATIVE_PATCH_NAME_REGISTRY: |
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case NATIVE_VIDEO_INSTALL_ACCEL: |
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case NATIVE_VIDEO_VBL: |
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case NATIVE_VIDEO_DO_DRIVER_IO: |
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case NATIVE_ETHER_AO_GET_HWADDR: |
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case NATIVE_ETHER_AO_ADD_MULTI: |
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case NATIVE_ETHER_AO_DEL_MULTI: |
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case NATIVE_ETHER_AO_SEND_PACKET: |
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case NATIVE_ETHER_IRQ: |
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case NATIVE_ETHER_INIT: |
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case NATIVE_ETHER_TERM: |
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case NATIVE_GET_IND_RESOURCE: |
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case NATIVE_GET_1_IND_RESOURCE: |
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case NATIVE_R_GET_RESOURCE: |
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case NATIVE_GET_NAMED_RESOURCE: |
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case NATIVE_GET_1_NAMED_RESOURCE: |
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case NATIVE_MAKE_EXECUTABLE: |
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case NATIVE_SYNC_HOOK: |
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case NATIVE_BITBLT_HOOK: |
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case NATIVE_FILLRECT_HOOK: |
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case NATIVE_BITBLT: |
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case NATIVE_INVRECT: |
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case NATIVE_FILLRECT: |
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opcode = POWERPC_NATIVE_OP(1, selector); |
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break; |
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default: |
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static uint32 get_ind_resource_func; |
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static uint32 get_1_ind_resource_func; |
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static uint32 r_get_resource_func; |
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static uint32 get_named_resource_func; |
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static uint32 get_1_named_resource_func; |
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static void generate_powerpc_thunks(void) |
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{ |
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// check_load_invoc() thunk |
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uint32 check_load_invoc_opcode = NativeOpcode(NATIVE_CHECK_LOAD_INVOC); |
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uint32 base; |
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|
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static uint32 get_resource_template[] = { |
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PL(0x7c0802a6), // mflr r0 |
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PL(0x90010008), // stw r0,8(r1) |
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} |
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assert(xlm_index != -1 && check_load_invoc_index != -1); |
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|
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uint32 check_load_invoc_opcode = NativeOpcode(NATIVE_CHECK_LOAD_INVOC); |
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uintptr base; |
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|
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// GetResource() |
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get_resource_func = base = SheepMem::Reserve(get_resource_template_size); |
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Host2Mac_memcpy(base, get_resource_template, get_resource_template_size); |
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Host2Mac_memcpy(base, get_resource_template, get_resource_template_size); |
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WriteMacInt32(base + xlm_index * 4, 0x80000000 | XLM_R_GET_RESOURCE); |
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WriteMacInt32(base + check_load_invoc_index * 4, check_load_invoc_opcode); |
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|
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// named_check_load_invoc() thunk |
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check_load_invoc_opcode = NativeOpcode(NATIVE_NAMED_CHECK_LOAD_INVOC); |
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|
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static uint32 get_named_resource_template[] = { |
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PL(0x7c0802a6), // mflr r0 |
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PL(0x90010008), // stw r0,8(r1) |
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PL(0x9421ffbc), // stwu r1,-68(r1) |
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PL(0x90610038), // stw r3,56(r1) |
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PL(0x9081003c), // stw r4,60(r1) |
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PL(0x00000000), // lwz r0,XLM_GET_NAMED_RESOURCE(r0) |
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PL(0x80402834), // lwz r2,XLM_RES_LIB_TOC(r0) |
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PL(0x7c0903a6), // mtctr r0 |
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PL(0x4e800421), // bctrl |
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PL(0x90610040), // stw r3,64(r1) |
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PL(0x80610038), // lwz r3,56(r1) |
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PL(0x8081003c), // lwz r4,60(r1) |
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PL(0x80a10040), // lwz r5,64(r1) |
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PL(0x00000001), // <named_check_load_invoc> |
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PL(0x80610040), // lwz r3,64(r1) |
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PL(0x8001004c), // lwz r0,76(r1) |
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PL(0x7c0803a6), // mtlr r0 |
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PL(0x38210044), // addi r1,r1,68 |
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PL(0x4e800020) // blr |
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}; |
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const uint32 get_named_resource_template_size = sizeof(get_named_resource_template); |
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|
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xlm_index = -1, check_load_invoc_index = -1; |
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for (int i = 0; i < get_resource_template_size/4; i++) { |
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uint32 opcode = ntohl(get_resource_template[i]); |
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switch (opcode) { |
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case 0x00000000: |
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xlm_index = i; |
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break; |
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case 0x00000001: |
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check_load_invoc_index = i; |
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break; |
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} |
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} |
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assert(xlm_index != -1 && check_load_invoc_index != -1); |
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|
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// GetNamedResource() |
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get_named_resource_func = base = SheepMem::Reserve(get_named_resource_template_size); |
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Host2Mac_memcpy(base, get_named_resource_template, get_named_resource_template_size); |
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WriteMacInt32(base + xlm_index * 4, 0x80000000 | XLM_GET_NAMED_RESOURCE); |
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WriteMacInt32(base + check_load_invoc_index * 4, check_load_invoc_opcode); |
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|
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// Get1NamedResource() |
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get_1_named_resource_func = base = SheepMem::Reserve(get_named_resource_template_size); |
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Host2Mac_memcpy(base, get_named_resource_template, get_named_resource_template_size); |
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WriteMacInt32(base + xlm_index * 4, 0x80000000 | XLM_GET_1_NAMED_RESOURCE); |
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WriteMacInt32(base + check_load_invoc_index * 4, check_load_invoc_opcode); |
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} |
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#endif |
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{ |
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#if EMULATED_PPC |
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for (int i = 0; i < NATIVE_OP_MAX; i++) { |
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uintptr base = SheepMem::Reserve(12); |
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uintptr base = SheepMem::Reserve(16); |
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WriteMacInt32(base + 0, base + 8); |
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WriteMacInt32(base + 4, 0); // Fake TVECT |
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WriteMacInt32(base + 8, NativeOpcode(i)); |
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WriteMacInt32(base + 12, POWERPC_BLR); |
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native_op[i].tvect = base; |
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native_op[i].func = base + 8; |
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} |
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native_op[NATIVE_GET_IND_RESOURCE].func = get_ind_resource_func; |
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native_op[NATIVE_GET_1_IND_RESOURCE].func = get_1_ind_resource_func; |
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native_op[NATIVE_R_GET_RESOURCE].func = r_get_resource_func; |
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native_op[NATIVE_GET_NAMED_RESOURCE].func = get_named_resource_func; |
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native_op[NATIVE_GET_1_NAMED_RESOURCE].func = get_1_named_resource_func; |
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#endif |
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#else |
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#if defined(__linux__) || (defined(__APPLE__) && defined(__MACH__)) |
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#if defined(__linux__) || defined(__NetBSD__) || (defined(__APPLE__) && defined(__MACH__)) |
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#define DEFINE_NATIVE_OP(ID, FUNC) do { \ |
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uintptr base = SheepMem::Reserve(8); \ |
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WriteMacInt32(base + 0, (uint32)FUNC); \ |
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WriteMacInt32(base + 4, 0); /*Fake TVECT*/ \ |
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WriteMacInt32(base + 4, (uint32)TOC); \ |
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native_op[ID].tvect = base; \ |
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native_op[ID].func = (uint32)FUNC; \ |
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} while (0) |
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DEFINE_NATIVE_OP(NATIVE_VIDEO_INSTALL_ACCEL, VideoInstallAccel); |
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DEFINE_NATIVE_OP(NATIVE_VIDEO_VBL, VideoVBL); |
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DEFINE_NATIVE_OP(NATIVE_VIDEO_DO_DRIVER_IO, VideoDoDriverIO); |
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DEFINE_NATIVE_OP(NATIVE_ETHER_AO_GET_HWADDR, AO_get_ethernet_address); |
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DEFINE_NATIVE_OP(NATIVE_ETHER_AO_ADD_MULTI, AO_enable_multicast); |
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DEFINE_NATIVE_OP(NATIVE_ETHER_AO_DEL_MULTI, AO_disable_multicast); |
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DEFINE_NATIVE_OP(NATIVE_ETHER_AO_SEND_PACKET, AO_transmit_packet); |
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DEFINE_NATIVE_OP(NATIVE_ETHER_IRQ, EtherIRQ); |
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DEFINE_NATIVE_OP(NATIVE_ETHER_INIT, InitStreamModule); |
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DEFINE_NATIVE_OP(NATIVE_ETHER_TERM, TerminateStreamModule); |
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DEFINE_NATIVE_OP(NATIVE_SERIAL_STATUS, SerialStatus); |
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DEFINE_NATIVE_OP(NATIVE_SERIAL_CLOSE, SerialClose); |
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DEFINE_NATIVE_OP(NATIVE_MAKE_EXECUTABLE, MakeExecutable); |
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DEFINE_NATIVE_OP(NATIVE_SYNC_HOOK, NQD_sync_hook); |
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DEFINE_NATIVE_OP(NATIVE_BITBLT_HOOK, NQD_bitblt_hook); |
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DEFINE_NATIVE_OP(NATIVE_FILLRECT_HOOK, NQD_fillrect_hook); |
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DEFINE_NATIVE_OP(NATIVE_BITBLT, NQD_bitblt); |
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DEFINE_NATIVE_OP(NATIVE_INVRECT, NQD_invrect); |
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DEFINE_NATIVE_OP(NATIVE_FILLRECT, NQD_fillrect); |
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DEFINE_NATIVE_OP(NATIVE_NQD_SYNC_HOOK, NQD_sync_hook); |
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DEFINE_NATIVE_OP(NATIVE_NQD_BITBLT_HOOK, NQD_bitblt_hook); |
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DEFINE_NATIVE_OP(NATIVE_NQD_FILLRECT_HOOK, NQD_fillrect_hook); |
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DEFINE_NATIVE_OP(NATIVE_NQD_UNKNOWN_HOOK, NQD_unknown_hook); |
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DEFINE_NATIVE_OP(NATIVE_NQD_BITBLT, NQD_bitblt); |
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DEFINE_NATIVE_OP(NATIVE_NQD_INVRECT, NQD_invrect); |
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DEFINE_NATIVE_OP(NATIVE_NQD_FILLRECT, NQD_fillrect); |
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#undef DEFINE_NATIVE_OP |
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#endif |
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