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#include "thunks.h" |
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#include "emul_op.h" |
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#include "cpu_emulation.h" |
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#include "xlowmem.h" |
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|
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// Native function declarations |
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#include "main.h" |
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#include "ether.h" |
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#include "macos_util.h" |
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|
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// Generate PowerPC thunks for GetResource() replacements? |
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#define POWERPC_GET_RESOURCE_THUNKS 1 |
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|
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|
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/* NativeOp instruction format: |
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< |
+------------+--------------------------+--+----------+------------+ |
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< |
| 6 | |FN| OP | 2 | |
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< |
+------------+--------------------------+--+----------+------------+ |
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< |
0 5 |6 19 20 21 25 26 31 |
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> |
+------------+-------------------------+--+-----------+------------+ |
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> |
| 6 | |FN| OP | 2 | |
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> |
+------------+-------------------------+--+-----------+------------+ |
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> |
0 5 |6 18 19 20 25 26 31 |
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*/ |
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|
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#define POWERPC_NATIVE_OP(LR, OP) \ |
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(POWERPC_EMUL_OP | ((LR) << 11) | (((uint32)OP) << 6) | 2) |
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#define POWERPC_NATIVE_OP(FN, OP) \ |
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(POWERPC_EMUL_OP | ((FN) << 12) | (((uint32)OP) << 6) | 2) |
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|
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/* |
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* Return the fake PowerPC opcode to handle specified native code |
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{ |
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uint32 opcode; |
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switch (selector) { |
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case NATIVE_DISABLE_INTERRUPT: |
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< |
case NATIVE_ENABLE_INTERRUPT: |
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case NATIVE_CHECK_LOAD_INVOC: |
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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_GET_1_IND_RESOURCE: |
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case NATIVE_R_GET_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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|
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|
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/* |
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* Generate PowerPC thunks for GetResource() replacements |
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*/ |
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|
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#if EMULATED_PPC |
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static uint32 get_resource_func; |
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static uint32 get_1_resource_func; |
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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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|
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static void generate_powerpc_thunks(void) |
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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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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_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(0xa881003e), // lha r4,62(r1) |
127 |
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PL(0x80a10040), // lwz r5,64(r1) |
128 |
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PL(0x00000001), // <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_resource_template_size = sizeof(get_resource_template); |
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|
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int 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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uint32 check_load_invoc_opcode = NativeOpcode(NATIVE_CHECK_LOAD_INVOC); |
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uint32 base; |
153 |
+ |
|
154 |
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// GetResource() |
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get_resource_func = base = SheepMem::Reserve(get_resource_template_size); |
156 |
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Host2Mac_memcpy(base, get_resource_template, get_resource_template_size); |
157 |
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WriteMacInt32(base + xlm_index * 4, 0x80000000 | XLM_GET_RESOURCE); |
158 |
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WriteMacInt32(base + check_load_invoc_index * 4, check_load_invoc_opcode); |
159 |
+ |
|
160 |
+ |
// Get1Resource() |
161 |
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get_1_resource_func = base = SheepMem::Reserve(get_resource_template_size); |
162 |
+ |
Host2Mac_memcpy(base, get_resource_template, get_resource_template_size); |
163 |
+ |
WriteMacInt32(base + xlm_index * 4, 0x80000000 | XLM_GET_1_RESOURCE); |
164 |
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WriteMacInt32(base + check_load_invoc_index * 4, check_load_invoc_opcode); |
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+ |
|
166 |
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// GetIndResource() |
167 |
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get_ind_resource_func = base = SheepMem::Reserve(get_resource_template_size); |
168 |
+ |
Host2Mac_memcpy(base, get_resource_template, get_resource_template_size); |
169 |
+ |
WriteMacInt32(base + xlm_index * 4, 0x80000000 | XLM_GET_IND_RESOURCE); |
170 |
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WriteMacInt32(base + check_load_invoc_index * 4, check_load_invoc_opcode); |
171 |
+ |
|
172 |
+ |
// Get1IndResource() |
173 |
+ |
get_1_ind_resource_func = base = SheepMem::Reserve(get_resource_template_size); |
174 |
+ |
Host2Mac_memcpy(base, get_resource_template, get_resource_template_size); |
175 |
+ |
WriteMacInt32(base + xlm_index * 4, 0x80000000 | XLM_GET_1_IND_RESOURCE); |
176 |
+ |
WriteMacInt32(base + check_load_invoc_index * 4, check_load_invoc_opcode); |
177 |
+ |
|
178 |
+ |
// RGetResource() |
179 |
+ |
r_get_resource_func = base = SheepMem::Reserve(get_resource_template_size); |
180 |
+ |
Host2Mac_memcpy(base, get_resource_template, get_resource_template_size); |
181 |
+ |
WriteMacInt32(base + xlm_index * 4, 0x80000000 | XLM_R_GET_RESOURCE); |
182 |
+ |
WriteMacInt32(base + check_load_invoc_index * 4, check_load_invoc_opcode); |
183 |
+ |
} |
184 |
+ |
#endif |
185 |
+ |
|
186 |
+ |
|
187 |
+ |
/* |
188 |
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* Initialize the thunks system |
189 |
|
*/ |
190 |
|
|
206 |
|
native_op[i].tvect = base; |
207 |
|
native_op[i].func = base + 8; |
208 |
|
} |
209 |
+ |
#if POWERPC_GET_RESOURCE_THUNKS |
210 |
+ |
generate_powerpc_thunks(); |
211 |
+ |
native_op[NATIVE_GET_RESOURCE].func = get_resource_func; |
212 |
+ |
native_op[NATIVE_GET_1_RESOURCE].func = get_1_resource_func; |
213 |
+ |
native_op[NATIVE_GET_IND_RESOURCE].func = get_ind_resource_func; |
214 |
+ |
native_op[NATIVE_GET_1_IND_RESOURCE].func = get_1_ind_resource_func; |
215 |
+ |
native_op[NATIVE_R_GET_RESOURCE].func = r_get_resource_func; |
216 |
+ |
#endif |
217 |
|
#else |
218 |
< |
#if defined(__linux__) |
218 |
> |
#if defined(__linux__) || defined(__NetBSD__) || (defined(__APPLE__) && defined(__MACH__)) |
219 |
|
#define DEFINE_NATIVE_OP(ID, FUNC) do { \ |
220 |
|
uintptr base = SheepMem::Reserve(8); \ |
221 |
|
WriteMacInt32(base + 0, (uint32)FUNC); \ |
251 |
|
DEFINE_NATIVE_OP(NATIVE_SERIAL_STATUS, SerialStatus); |
252 |
|
DEFINE_NATIVE_OP(NATIVE_SERIAL_CLOSE, SerialClose); |
253 |
|
DEFINE_NATIVE_OP(NATIVE_MAKE_EXECUTABLE, MakeExecutable); |
254 |
+ |
DEFINE_NATIVE_OP(NATIVE_SYNC_HOOK, NQD_sync_hook); |
255 |
+ |
DEFINE_NATIVE_OP(NATIVE_BITBLT_HOOK, NQD_bitblt_hook); |
256 |
+ |
DEFINE_NATIVE_OP(NATIVE_FILLRECT_HOOK, NQD_fillrect_hook); |
257 |
+ |
DEFINE_NATIVE_OP(NATIVE_BITBLT, NQD_bitblt); |
258 |
+ |
DEFINE_NATIVE_OP(NATIVE_INVRECT, NQD_invrect); |
259 |
+ |
DEFINE_NATIVE_OP(NATIVE_FILLRECT, NQD_fillrect); |
260 |
|
#undef DEFINE_NATIVE_OP |
261 |
|
#endif |
262 |
|
|