40 |
|
#include "ether.h" |
41 |
|
|
42 |
|
#include <stdio.h> |
43 |
+ |
#include <stdlib.h> |
44 |
|
|
45 |
|
#if ENABLE_MON |
46 |
|
#include "mon.h" |
168 |
|
{ |
169 |
|
void *p; |
170 |
|
|
171 |
< |
/* XXX: try different approaches */ |
171 |
> |
#if defined(HAVE_POSIX_MEMALIGN) |
172 |
|
if (posix_memalign(&p, 16, size) != 0) |
173 |
|
throw std::bad_alloc(); |
174 |
+ |
#elif defined(HAVE_MEMALIGN) |
175 |
+ |
p = memalign(16, size); |
176 |
+ |
#elif defined(HAVE_VALLOC) |
177 |
+ |
p = valloc(size); // page-aligned! |
178 |
+ |
#else |
179 |
+ |
/* XXX: handle padding ourselves */ |
180 |
+ |
p = malloc(size); |
181 |
+ |
#endif |
182 |
|
|
183 |
|
return p; |
184 |
|
} |
185 |
|
|
186 |
|
void operator delete(void *p) |
187 |
|
{ |
188 |
+ |
#if defined(HAVE_MEMALIGN) || defined(HAVE_VALLOC) |
189 |
+ |
#if defined(__GLIBC__) |
190 |
+ |
// this is known to work only with GNU libc |
191 |
+ |
free(p); |
192 |
+ |
#endif |
193 |
+ |
#else |
194 |
|
free(p); |
195 |
+ |
#endif |
196 |
|
} |
197 |
|
|
198 |
|
sheepshaver_cpu::sheepshaver_cpu() |
731 |
|
else if (pc == ROM_BASE + 0x4a10a0 && (cpu->gpr(20) == 0xf3012002 || cpu->gpr(20) == 0xf3012000)) |
732 |
|
return SIGSEGV_RETURN_SKIP_INSTRUCTION; |
733 |
|
|
734 |
+ |
// Ignore writes to the zero page |
735 |
+ |
else if ((uint32)(addr - SheepMem::ZeroPage()) < (uint32)SheepMem::PageSize()) |
736 |
+ |
return SIGSEGV_RETURN_SKIP_INSTRUCTION; |
737 |
+ |
|
738 |
|
// Ignore all other faults, if requested |
739 |
|
if (PrefsFindBool("ignoresegv")) |
740 |
|
return SIGSEGV_RETURN_SKIP_INSTRUCTION; |