22 |
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#include "thunks.h" |
23 |
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#include "emul_op.h" |
24 |
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#include "cpu_emulation.h" |
25 |
+ |
#include "xlowmem.h" |
26 |
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|
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// Native function declarations |
28 |
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#include "main.h" |
30 |
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#include "name_registry.h" |
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#include "serial.h" |
32 |
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#include "ether.h" |
33 |
+ |
#include "macos_util.h" |
34 |
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|
35 |
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// Generate PowerPC thunks for GetResource() replacements? |
36 |
+ |
#define POWERPC_GET_RESOURCE_THUNKS 1 |
37 |
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|
38 |
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|
39 |
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/* NativeOp instruction format: |
40 |
< |
+------------+--------------------------+--+----------+------------+ |
41 |
< |
| 6 | |FN| OP | 2 | |
42 |
< |
+------------+--------------------------+--+----------+------------+ |
43 |
< |
0 5 |6 19 20 21 25 26 31 |
40 |
> |
+------------+-------------------------+--+-----------+------------+ |
41 |
> |
| 6 | |FN| OP | 2 | |
42 |
> |
+------------+-------------------------+--+-----------+------------+ |
43 |
> |
0 5 |6 18 19 20 25 26 31 |
44 |
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*/ |
45 |
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|
46 |
< |
#define POWERPC_NATIVE_OP(LR, OP) \ |
47 |
< |
(POWERPC_EMUL_OP | ((LR) << 11) | (((uint32)OP) << 6) | 2) |
46 |
> |
#define POWERPC_NATIVE_OP(FN, OP) \ |
47 |
> |
(POWERPC_EMUL_OP | ((FN) << 12) | (((uint32)OP) << 6) | 2) |
48 |
> |
|
49 |
> |
/* |
50 |
> |
* Return the fake PowerPC opcode to handle specified native code |
51 |
> |
*/ |
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|
44 |
– |
// Return the fake PowerPC opcode to handle specified native code |
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#if EMULATED_PPC |
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uint32 NativeOpcode(int selector) |
55 |
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{ |
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uint32 opcode; |
57 |
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switch (selector) { |
58 |
< |
case NATIVE_DISABLE_INTERRUPT: |
51 |
< |
case NATIVE_ENABLE_INTERRUPT: |
58 |
> |
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: |
85 |
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case NATIVE_SYNC_HOOK: |
86 |
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case NATIVE_BITBLT_HOOK: |
87 |
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case NATIVE_FILLRECT_HOOK: |
88 |
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case NATIVE_BITBLT: |
89 |
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case NATIVE_INVRECT: |
90 |
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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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#endif |
99 |
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|
100 |
< |
// NativeOp -> { TVECT, function base } mappings |
100 |
> |
|
101 |
> |
/* |
102 |
> |
* Generate PowerPC thunks for GetResource() replacements |
103 |
> |
*/ |
104 |
> |
|
105 |
> |
#if EMULATED_PPC |
106 |
> |
static uint32 get_resource_func; |
107 |
> |
static uint32 get_1_resource_func; |
108 |
> |
static uint32 get_ind_resource_func; |
109 |
> |
static uint32 get_1_ind_resource_func; |
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> |
static uint32 r_get_resource_func; |
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> |
|
112 |
> |
static void generate_powerpc_thunks(void) |
113 |
> |
{ |
114 |
> |
static uint32 get_resource_template[] = { |
115 |
> |
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) |
119 |
> |
PL(0x9081003c), // stw r4,60(r1) |
120 |
> |
PL(0x00000000), // lwz r0,XLM_GET_RESOURCE(r0) |
121 |
> |
PL(0x80402834), // lwz r2,XLM_RES_LIB_TOC(r0) |
122 |
> |
PL(0x7c0903a6), // mtctr r0 |
123 |
> |
PL(0x4e800421), // bctrl |
124 |
> |
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) |
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> |
PL(0x80a10040), // lwz r5,64(r1) |
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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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> |
}; |
135 |
> |
const uint32 get_resource_template_size = sizeof(get_resource_template); |
136 |
> |
|
137 |
> |
int xlm_index = -1, check_load_invoc_index = -1; |
138 |
> |
for (int i = 0; i < get_resource_template_size/4; i++) { |
139 |
> |
uint32 opcode = ntohl(get_resource_template[i]); |
140 |
> |
switch (opcode) { |
141 |
> |
case 0x00000000: |
142 |
> |
xlm_index = i; |
143 |
> |
break; |
144 |
> |
case 0x00000001: |
145 |
> |
check_load_invoc_index = i; |
146 |
> |
break; |
147 |
> |
} |
148 |
> |
} |
149 |
> |
assert(xlm_index != -1 && check_load_invoc_index != -1); |
150 |
> |
|
151 |
> |
uint32 check_load_invoc_opcode = NativeOpcode(NATIVE_CHECK_LOAD_INVOC); |
152 |
> |
uint32 base; |
153 |
> |
|
154 |
> |
// GetResource() |
155 |
> |
get_resource_func = base = SheepMem::Reserve(get_resource_template_size); |
156 |
> |
Host2Mac_memcpy(base, get_resource_template, get_resource_template_size); |
157 |
> |
WriteMacInt32(base + xlm_index * 4, 0x80000000 | XLM_GET_RESOURCE); |
158 |
> |
WriteMacInt32(base + check_load_invoc_index * 4, check_load_invoc_opcode); |
159 |
> |
|
160 |
> |
// Get1Resource() |
161 |
> |
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 |
> |
WriteMacInt32(base + check_load_invoc_index * 4, check_load_invoc_opcode); |
165 |
> |
|
166 |
> |
// GetIndResource() |
167 |
> |
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 |
> |
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 |
> |
* Initialize the thunks system |
189 |
> |
*/ |
190 |
> |
|
191 |
|
struct native_op_t { |
192 |
|
uint32 tvect; |
193 |
|
uint32 func; |
194 |
+ |
SheepRoutineDescriptor *desc; |
195 |
|
}; |
196 |
|
static native_op_t native_op[NATIVE_OP_MAX]; |
197 |
|
|
94 |
– |
// Initialize the thunks system |
198 |
|
bool ThunksInit(void) |
199 |
|
{ |
200 |
|
#if EMULATED_PPC |
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); \ |
231 |
|
#else |
232 |
|
#error "FIXME: define NativeOp for your platform" |
233 |
|
#endif |
234 |
+ |
// FIXME: add GetResource() and friends for completeness |
235 |
+ |
DEFINE_NATIVE_OP(NATIVE_PATCH_NAME_REGISTRY, DoPatchNameRegistry); |
236 |
+ |
DEFINE_NATIVE_OP(NATIVE_VIDEO_INSTALL_ACCEL, VideoInstallAccel); |
237 |
+ |
DEFINE_NATIVE_OP(NATIVE_VIDEO_VBL, VideoVBL); |
238 |
+ |
DEFINE_NATIVE_OP(NATIVE_VIDEO_DO_DRIVER_IO, VideoDoDriverIO); |
239 |
+ |
DEFINE_NATIVE_OP(NATIVE_ETHER_IRQ, EtherIRQ); |
240 |
+ |
DEFINE_NATIVE_OP(NATIVE_ETHER_INIT, InitStreamModule); |
241 |
+ |
DEFINE_NATIVE_OP(NATIVE_ETHER_TERM, TerminateStreamModule); |
242 |
+ |
DEFINE_NATIVE_OP(NATIVE_ETHER_OPEN, ether_open); |
243 |
+ |
DEFINE_NATIVE_OP(NATIVE_ETHER_CLOSE, ether_close); |
244 |
+ |
DEFINE_NATIVE_OP(NATIVE_ETHER_WPUT, ether_wput); |
245 |
+ |
DEFINE_NATIVE_OP(NATIVE_ETHER_RSRV, ether_rsrv); |
246 |
|
DEFINE_NATIVE_OP(NATIVE_SERIAL_NOTHING, SerialNothing); |
247 |
|
DEFINE_NATIVE_OP(NATIVE_SERIAL_OPEN, SerialOpen); |
248 |
|
DEFINE_NATIVE_OP(NATIVE_SERIAL_PRIME_IN, SerialPrimeIn); |
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 |
+ |
|
263 |
+ |
// Initialize routine descriptors (if TVECT exists) |
264 |
+ |
for (int i = 0; i < NATIVE_OP_MAX; i++) { |
265 |
+ |
uint32 tvect = native_op[i].tvect; |
266 |
+ |
if (tvect) |
267 |
+ |
native_op[i].desc = new SheepRoutineDescriptor(0, tvect); |
268 |
+ |
} |
269 |
+ |
|
270 |
|
return true; |
271 |
|
} |
272 |
|
|
273 |
< |
// Return the native function descriptor (TVECT) |
273 |
> |
|
274 |
> |
/* |
275 |
> |
* Delete generated thunks |
276 |
> |
*/ |
277 |
> |
|
278 |
> |
void ThunksExit(void) |
279 |
> |
{ |
280 |
> |
for (int i = 0; i < NATIVE_OP_MAX; i++) { |
281 |
> |
SheepRoutineDescriptor *desc = native_op[i].desc; |
282 |
> |
if (desc) |
283 |
> |
delete desc; |
284 |
> |
} |
285 |
> |
} |
286 |
> |
|
287 |
> |
|
288 |
> |
/* |
289 |
> |
* Return the native function descriptor (TVECT) |
290 |
> |
*/ |
291 |
> |
|
292 |
|
uint32 NativeTVECT(int selector) |
293 |
|
{ |
294 |
|
assert(selector < NATIVE_OP_MAX); |
295 |
|
const uint32 tvect = native_op[selector].tvect; |
296 |
|
assert(tvect != 0); |
297 |
< |
return native_op[selector].tvect; |
297 |
> |
return tvect; |
298 |
|
} |
299 |
|
|
300 |
< |
// Return the native function address |
300 |
> |
|
301 |
> |
/* |
302 |
> |
* Return the native function address |
303 |
> |
*/ |
304 |
> |
|
305 |
|
uint32 NativeFunction(int selector) |
306 |
|
{ |
307 |
|
assert(selector < NATIVE_OP_MAX); |
308 |
|
const uint32 func = native_op[selector].func; |
309 |
|
assert(func != 0); |
310 |
< |
return native_op[selector].func; |
310 |
> |
return func; |
311 |
> |
} |
312 |
> |
|
313 |
> |
|
314 |
> |
/* |
315 |
> |
* Return the routine descriptor address of the native function |
316 |
> |
*/ |
317 |
> |
|
318 |
> |
uint32 NativeRoutineDescriptor(int selector) |
319 |
> |
{ |
320 |
> |
assert(selector < NATIVE_OP_MAX); |
321 |
> |
SheepRoutineDescriptor * const desc = native_op[selector].desc; |
322 |
> |
assert(desc != 0); |
323 |
> |
return desc->addr(); |
324 |
> |
} |
325 |
> |
|
326 |
> |
|
327 |
> |
/* |
328 |
> |
* Execute native code from EMUL_OP routine (real mode switch) |
329 |
> |
*/ |
330 |
> |
|
331 |
> |
void ExecuteNative(int selector) |
332 |
> |
{ |
333 |
> |
M68kRegisters r; |
334 |
> |
Execute68k(NativeRoutineDescriptor(selector), &r); |
335 |
|
} |