| 1 |
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/* |
| 2 |
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* thunks.cpp - Thunks to share data and code with MacOS |
| 3 |
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* |
| 4 |
< |
* SheepShaver (C) 1997-2002 Christian Bauer and Marc Hellwig |
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> |
* SheepShaver (C) 1997-2008 Christian Bauer and Marc Hellwig |
| 5 |
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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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#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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|
| 27 |
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// Native function declarations |
| 28 |
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#include "main.h" |
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#include "name_registry.h" |
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#include "serial.h" |
| 32 |
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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: |
| 40 |
< |
+------------+--------------------------+--+----------+------------+ |
| 41 |
< |
| 6 | |FN| OP | 2 | |
| 42 |
< |
+------------+--------------------------+--+----------+------------+ |
| 43 |
< |
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 |
| 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: |
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< |
case NATIVE_ENABLE_INTERRUPT: |
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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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opcode = POWERPC_NATIVE_OP(1, selector); |
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break; |
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} |
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#endif |
| 107 |
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|
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< |
// NativeOp -> { TVECT, function base } mappings |
| 108 |
> |
|
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> |
/* |
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> |
* Generate PowerPC thunks for GetResource() replacements |
| 111 |
> |
*/ |
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> |
|
| 113 |
> |
#if EMULATED_PPC |
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> |
static uint32 get_resource_func; |
| 115 |
> |
static uint32 get_1_resource_func; |
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> |
static uint32 get_ind_resource_func; |
| 117 |
> |
static uint32 get_1_ind_resource_func; |
| 118 |
> |
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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> |
|
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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); |
| 126 |
> |
uint32 base; |
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> |
|
| 128 |
> |
static uint32 get_resource_template[] = { |
| 129 |
> |
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) |
| 133 |
> |
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) |
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> |
PL(0x80a10040), // lwz r5,64(r1) |
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> |
PL(0x00000001), // <check_load_invoc> |
| 143 |
> |
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 |
| 148 |
> |
}; |
| 149 |
> |
const uint32 get_resource_template_size = sizeof(get_resource_template); |
| 150 |
> |
|
| 151 |
> |
int xlm_index = -1, check_load_invoc_index = -1; |
| 152 |
> |
for (int i = 0; i < get_resource_template_size/4; i++) { |
| 153 |
> |
uint32 opcode = ntohl(get_resource_template[i]); |
| 154 |
> |
switch (opcode) { |
| 155 |
> |
case 0x00000000: |
| 156 |
> |
xlm_index = i; |
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> |
break; |
| 158 |
> |
case 0x00000001: |
| 159 |
> |
check_load_invoc_index = i; |
| 160 |
> |
break; |
| 161 |
> |
} |
| 162 |
> |
} |
| 163 |
> |
assert(xlm_index != -1 && check_load_invoc_index != -1); |
| 164 |
> |
|
| 165 |
> |
// GetResource() |
| 166 |
> |
get_resource_func = base = SheepMem::Reserve(get_resource_template_size); |
| 167 |
> |
Host2Mac_memcpy(base, get_resource_template, get_resource_template_size); |
| 168 |
> |
WriteMacInt32(base + xlm_index * 4, 0x80000000 | XLM_GET_RESOURCE); |
| 169 |
> |
WriteMacInt32(base + check_load_invoc_index * 4, check_load_invoc_opcode); |
| 170 |
> |
|
| 171 |
> |
// Get1Resource() |
| 172 |
> |
get_1_resource_func = base = SheepMem::Reserve(get_resource_template_size); |
| 173 |
> |
Host2Mac_memcpy(base, get_resource_template, get_resource_template_size); |
| 174 |
> |
WriteMacInt32(base + xlm_index * 4, 0x80000000 | XLM_GET_1_RESOURCE); |
| 175 |
> |
WriteMacInt32(base + check_load_invoc_index * 4, check_load_invoc_opcode); |
| 176 |
> |
|
| 177 |
> |
// GetIndResource() |
| 178 |
> |
get_ind_resource_func = base = SheepMem::Reserve(get_resource_template_size); |
| 179 |
> |
Host2Mac_memcpy(base, get_resource_template, get_resource_template_size); |
| 180 |
> |
WriteMacInt32(base + xlm_index * 4, 0x80000000 | XLM_GET_IND_RESOURCE); |
| 181 |
> |
WriteMacInt32(base + check_load_invoc_index * 4, check_load_invoc_opcode); |
| 182 |
> |
|
| 183 |
> |
// Get1IndResource() |
| 184 |
> |
get_1_ind_resource_func = base = SheepMem::Reserve(get_resource_template_size); |
| 185 |
> |
Host2Mac_memcpy(base, get_resource_template, get_resource_template_size); |
| 186 |
> |
WriteMacInt32(base + xlm_index * 4, 0x80000000 | XLM_GET_1_IND_RESOURCE); |
| 187 |
> |
WriteMacInt32(base + check_load_invoc_index * 4, check_load_invoc_opcode); |
| 188 |
> |
|
| 189 |
> |
// RGetResource() |
| 190 |
> |
r_get_resource_func = base = SheepMem::Reserve(get_resource_template_size); |
| 191 |
> |
Host2Mac_memcpy(base, get_resource_template, get_resource_template_size); |
| 192 |
> |
WriteMacInt32(base + xlm_index * 4, 0x80000000 | XLM_R_GET_RESOURCE); |
| 193 |
> |
WriteMacInt32(base + check_load_invoc_index * 4, check_load_invoc_opcode); |
| 194 |
> |
|
| 195 |
> |
// named_check_load_invoc() thunk |
| 196 |
> |
check_load_invoc_opcode = NativeOpcode(NATIVE_NAMED_CHECK_LOAD_INVOC); |
| 197 |
> |
|
| 198 |
> |
static uint32 get_named_resource_template[] = { |
| 199 |
> |
PL(0x7c0802a6), // mflr r0 |
| 200 |
> |
PL(0x90010008), // stw r0,8(r1) |
| 201 |
> |
PL(0x9421ffbc), // stwu r1,-68(r1) |
| 202 |
> |
PL(0x90610038), // stw r3,56(r1) |
| 203 |
> |
PL(0x9081003c), // stw r4,60(r1) |
| 204 |
> |
PL(0x00000000), // lwz r0,XLM_GET_NAMED_RESOURCE(r0) |
| 205 |
> |
PL(0x80402834), // lwz r2,XLM_RES_LIB_TOC(r0) |
| 206 |
> |
PL(0x7c0903a6), // mtctr r0 |
| 207 |
> |
PL(0x4e800421), // bctrl |
| 208 |
> |
PL(0x90610040), // stw r3,64(r1) |
| 209 |
> |
PL(0x80610038), // lwz r3,56(r1) |
| 210 |
> |
PL(0x8081003c), // lwz r4,60(r1) |
| 211 |
> |
PL(0x80a10040), // lwz r5,64(r1) |
| 212 |
> |
PL(0x00000001), // <named_check_load_invoc> |
| 213 |
> |
PL(0x80610040), // lwz r3,64(r1) |
| 214 |
> |
PL(0x8001004c), // lwz r0,76(r1) |
| 215 |
> |
PL(0x7c0803a6), // mtlr r0 |
| 216 |
> |
PL(0x38210044), // addi r1,r1,68 |
| 217 |
> |
PL(0x4e800020) // blr |
| 218 |
> |
}; |
| 219 |
> |
const uint32 get_named_resource_template_size = sizeof(get_named_resource_template); |
| 220 |
> |
|
| 221 |
> |
xlm_index = -1, check_load_invoc_index = -1; |
| 222 |
> |
for (int i = 0; i < get_resource_template_size/4; i++) { |
| 223 |
> |
uint32 opcode = ntohl(get_resource_template[i]); |
| 224 |
> |
switch (opcode) { |
| 225 |
> |
case 0x00000000: |
| 226 |
> |
xlm_index = i; |
| 227 |
> |
break; |
| 228 |
> |
case 0x00000001: |
| 229 |
> |
check_load_invoc_index = i; |
| 230 |
> |
break; |
| 231 |
> |
} |
| 232 |
> |
} |
| 233 |
> |
assert(xlm_index != -1 && check_load_invoc_index != -1); |
| 234 |
> |
|
| 235 |
> |
// GetNamedResource() |
| 236 |
> |
get_named_resource_func = base = SheepMem::Reserve(get_named_resource_template_size); |
| 237 |
> |
Host2Mac_memcpy(base, get_named_resource_template, get_named_resource_template_size); |
| 238 |
> |
WriteMacInt32(base + xlm_index * 4, 0x80000000 | XLM_GET_NAMED_RESOURCE); |
| 239 |
> |
WriteMacInt32(base + check_load_invoc_index * 4, check_load_invoc_opcode); |
| 240 |
> |
|
| 241 |
> |
// Get1NamedResource() |
| 242 |
> |
get_1_named_resource_func = base = SheepMem::Reserve(get_named_resource_template_size); |
| 243 |
> |
Host2Mac_memcpy(base, get_named_resource_template, get_named_resource_template_size); |
| 244 |
> |
WriteMacInt32(base + xlm_index * 4, 0x80000000 | XLM_GET_1_NAMED_RESOURCE); |
| 245 |
> |
WriteMacInt32(base + check_load_invoc_index * 4, check_load_invoc_opcode); |
| 246 |
> |
} |
| 247 |
> |
#endif |
| 248 |
> |
|
| 249 |
> |
|
| 250 |
> |
/* |
| 251 |
> |
* Initialize the thunks system |
| 252 |
> |
*/ |
| 253 |
> |
|
| 254 |
|
struct native_op_t { |
| 255 |
|
uint32 tvect; |
| 256 |
|
uint32 func; |
| 257 |
+ |
SheepRoutineDescriptor *desc; |
| 258 |
|
}; |
| 259 |
|
static native_op_t native_op[NATIVE_OP_MAX]; |
| 260 |
|
|
| 94 |
– |
// Initialize the thunks system |
| 261 |
|
bool ThunksInit(void) |
| 262 |
|
{ |
| 263 |
|
#if EMULATED_PPC |
| 264 |
|
for (int i = 0; i < NATIVE_OP_MAX; i++) { |
| 265 |
< |
uintptr base = SheepMem::Reserve(12); |
| 265 |
> |
uintptr base = SheepMem::Reserve(16); |
| 266 |
|
WriteMacInt32(base + 0, base + 8); |
| 267 |
|
WriteMacInt32(base + 4, 0); // Fake TVECT |
| 268 |
|
WriteMacInt32(base + 8, NativeOpcode(i)); |
| 269 |
+ |
WriteMacInt32(base + 12, POWERPC_BLR); |
| 270 |
|
native_op[i].tvect = base; |
| 271 |
|
native_op[i].func = base + 8; |
| 272 |
|
} |
| 273 |
+ |
#if POWERPC_GET_RESOURCE_THUNKS |
| 274 |
+ |
generate_powerpc_thunks(); |
| 275 |
+ |
native_op[NATIVE_GET_RESOURCE].func = get_resource_func; |
| 276 |
+ |
native_op[NATIVE_GET_1_RESOURCE].func = get_1_resource_func; |
| 277 |
+ |
native_op[NATIVE_GET_IND_RESOURCE].func = get_ind_resource_func; |
| 278 |
+ |
native_op[NATIVE_GET_1_IND_RESOURCE].func = get_1_ind_resource_func; |
| 279 |
+ |
native_op[NATIVE_R_GET_RESOURCE].func = r_get_resource_func; |
| 280 |
+ |
native_op[NATIVE_GET_NAMED_RESOURCE].func = get_named_resource_func; |
| 281 |
+ |
native_op[NATIVE_GET_1_NAMED_RESOURCE].func = get_1_named_resource_func; |
| 282 |
+ |
#endif |
| 283 |
|
#else |
| 284 |
< |
#if defined(__linux__) |
| 284 |
> |
#if defined(__linux__) || defined(__NetBSD__) || (defined(__APPLE__) && defined(__MACH__)) |
| 285 |
|
#define DEFINE_NATIVE_OP(ID, FUNC) do { \ |
| 286 |
|
uintptr base = SheepMem::Reserve(8); \ |
| 287 |
|
WriteMacInt32(base + 0, (uint32)FUNC); \ |
| 288 |
< |
WriteMacInt32(base + 4, 0); /*Fake TVECT*/ \ |
| 288 |
> |
WriteMacInt32(base + 4, (uint32)TOC); \ |
| 289 |
|
native_op[ID].tvect = base; \ |
| 290 |
|
native_op[ID].func = (uint32)FUNC; \ |
| 291 |
|
} while (0) |
| 297 |
|
#else |
| 298 |
|
#error "FIXME: define NativeOp for your platform" |
| 299 |
|
#endif |
| 300 |
+ |
// FIXME: add GetResource() and friends for completeness |
| 301 |
+ |
DEFINE_NATIVE_OP(NATIVE_PATCH_NAME_REGISTRY, DoPatchNameRegistry); |
| 302 |
+ |
DEFINE_NATIVE_OP(NATIVE_VIDEO_INSTALL_ACCEL, VideoInstallAccel); |
| 303 |
+ |
DEFINE_NATIVE_OP(NATIVE_VIDEO_VBL, VideoVBL); |
| 304 |
+ |
DEFINE_NATIVE_OP(NATIVE_VIDEO_DO_DRIVER_IO, VideoDoDriverIO); |
| 305 |
+ |
DEFINE_NATIVE_OP(NATIVE_ETHER_AO_GET_HWADDR, AO_get_ethernet_address); |
| 306 |
+ |
DEFINE_NATIVE_OP(NATIVE_ETHER_AO_ADD_MULTI, AO_enable_multicast); |
| 307 |
+ |
DEFINE_NATIVE_OP(NATIVE_ETHER_AO_DEL_MULTI, AO_disable_multicast); |
| 308 |
+ |
DEFINE_NATIVE_OP(NATIVE_ETHER_AO_SEND_PACKET, AO_transmit_packet); |
| 309 |
+ |
DEFINE_NATIVE_OP(NATIVE_ETHER_IRQ, EtherIRQ); |
| 310 |
+ |
DEFINE_NATIVE_OP(NATIVE_ETHER_INIT, InitStreamModule); |
| 311 |
+ |
DEFINE_NATIVE_OP(NATIVE_ETHER_TERM, TerminateStreamModule); |
| 312 |
+ |
DEFINE_NATIVE_OP(NATIVE_ETHER_OPEN, ether_open); |
| 313 |
+ |
DEFINE_NATIVE_OP(NATIVE_ETHER_CLOSE, ether_close); |
| 314 |
+ |
DEFINE_NATIVE_OP(NATIVE_ETHER_WPUT, ether_wput); |
| 315 |
+ |
DEFINE_NATIVE_OP(NATIVE_ETHER_RSRV, ether_rsrv); |
| 316 |
|
DEFINE_NATIVE_OP(NATIVE_SERIAL_NOTHING, SerialNothing); |
| 317 |
|
DEFINE_NATIVE_OP(NATIVE_SERIAL_OPEN, SerialOpen); |
| 318 |
|
DEFINE_NATIVE_OP(NATIVE_SERIAL_PRIME_IN, SerialPrimeIn); |
| 321 |
|
DEFINE_NATIVE_OP(NATIVE_SERIAL_STATUS, SerialStatus); |
| 322 |
|
DEFINE_NATIVE_OP(NATIVE_SERIAL_CLOSE, SerialClose); |
| 323 |
|
DEFINE_NATIVE_OP(NATIVE_MAKE_EXECUTABLE, MakeExecutable); |
| 324 |
+ |
DEFINE_NATIVE_OP(NATIVE_NQD_SYNC_HOOK, NQD_sync_hook); |
| 325 |
+ |
DEFINE_NATIVE_OP(NATIVE_NQD_BITBLT_HOOK, NQD_bitblt_hook); |
| 326 |
+ |
DEFINE_NATIVE_OP(NATIVE_NQD_FILLRECT_HOOK, NQD_fillrect_hook); |
| 327 |
+ |
DEFINE_NATIVE_OP(NATIVE_NQD_UNKNOWN_HOOK, NQD_unknown_hook); |
| 328 |
+ |
DEFINE_NATIVE_OP(NATIVE_NQD_BITBLT, NQD_bitblt); |
| 329 |
+ |
DEFINE_NATIVE_OP(NATIVE_NQD_INVRECT, NQD_invrect); |
| 330 |
+ |
DEFINE_NATIVE_OP(NATIVE_NQD_FILLRECT, NQD_fillrect); |
| 331 |
|
#undef DEFINE_NATIVE_OP |
| 332 |
|
#endif |
| 333 |
+ |
|
| 334 |
+ |
// Initialize routine descriptors (if TVECT exists) |
| 335 |
+ |
for (int i = 0; i < NATIVE_OP_MAX; i++) { |
| 336 |
+ |
uint32 tvect = native_op[i].tvect; |
| 337 |
+ |
if (tvect) |
| 338 |
+ |
native_op[i].desc = new SheepRoutineDescriptor(0, tvect); |
| 339 |
+ |
} |
| 340 |
+ |
|
| 341 |
|
return true; |
| 342 |
|
} |
| 343 |
|
|
| 344 |
< |
// Return the native function descriptor (TVECT) |
| 344 |
> |
|
| 345 |
> |
/* |
| 346 |
> |
* Delete generated thunks |
| 347 |
> |
*/ |
| 348 |
> |
|
| 349 |
> |
void ThunksExit(void) |
| 350 |
> |
{ |
| 351 |
> |
for (int i = 0; i < NATIVE_OP_MAX; i++) { |
| 352 |
> |
SheepRoutineDescriptor *desc = native_op[i].desc; |
| 353 |
> |
if (desc) |
| 354 |
> |
delete desc; |
| 355 |
> |
} |
| 356 |
> |
} |
| 357 |
> |
|
| 358 |
> |
|
| 359 |
> |
/* |
| 360 |
> |
* Return the native function descriptor (TVECT) |
| 361 |
> |
*/ |
| 362 |
> |
|
| 363 |
|
uint32 NativeTVECT(int selector) |
| 364 |
|
{ |
| 365 |
|
assert(selector < NATIVE_OP_MAX); |
| 366 |
|
const uint32 tvect = native_op[selector].tvect; |
| 367 |
|
assert(tvect != 0); |
| 368 |
< |
return native_op[selector].tvect; |
| 368 |
> |
return tvect; |
| 369 |
|
} |
| 370 |
|
|
| 371 |
< |
// Return the native function address |
| 371 |
> |
|
| 372 |
> |
/* |
| 373 |
> |
* Return the native function address |
| 374 |
> |
*/ |
| 375 |
> |
|
| 376 |
|
uint32 NativeFunction(int selector) |
| 377 |
|
{ |
| 378 |
|
assert(selector < NATIVE_OP_MAX); |
| 379 |
|
const uint32 func = native_op[selector].func; |
| 380 |
|
assert(func != 0); |
| 381 |
< |
return native_op[selector].func; |
| 381 |
> |
return func; |
| 382 |
> |
} |
| 383 |
> |
|
| 384 |
> |
|
| 385 |
> |
/* |
| 386 |
> |
* Return the routine descriptor address of the native function |
| 387 |
> |
*/ |
| 388 |
> |
|
| 389 |
> |
uint32 NativeRoutineDescriptor(int selector) |
| 390 |
> |
{ |
| 391 |
> |
assert(selector < NATIVE_OP_MAX); |
| 392 |
> |
SheepRoutineDescriptor * const desc = native_op[selector].desc; |
| 393 |
> |
assert(desc != 0); |
| 394 |
> |
return desc->addr(); |
| 395 |
> |
} |
| 396 |
> |
|
| 397 |
> |
|
| 398 |
> |
/* |
| 399 |
> |
* Execute native code from EMUL_OP routine (real mode switch) |
| 400 |
> |
*/ |
| 401 |
> |
|
| 402 |
> |
void ExecuteNative(int selector) |
| 403 |
> |
{ |
| 404 |
> |
M68kRegisters r; |
| 405 |
> |
Execute68k(NativeRoutineDescriptor(selector), &r); |
| 406 |
|
} |
