Macintosh-Tools/macemu
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Move up NATMEM_OFFSET to 0x11000000. This is arbitrarily determined to be

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the base of the largest free block. Turns out SDL libraries are loaded around
0x10000000 so we have some luck here.
This commit is contained in:
gbeauche 2006-05-14 15:58:11 +00:00
parent 8a27c90e15
commit 3f3891ab31
2 changed files with 6 additions and 21 deletions
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25
SheepShaver/src/Windows/main_windows.cpp
View File

@ -58,7 +58,6 @@
const char ROM_FILE_NAME[] = "ROM";
const char ROM_FILE_NAME2[] = "Mac OS ROM";
const uintptr RAM_BASE = 0x20000000; // Base address of RAM
const uint32 SIG_STACK_SIZE = 0x10000; // Size of signal stack
@ -79,7 +78,6 @@ DWORD win_os_major; // Windows OS version major
// Global variables
static bool lm_area_mapped = false; // Flag: Low Memory area mmap()ped
static int kernel_area = -1; // SHM ID of Kernel Data area
static bool rom_area_mapped = false; // Flag: Mac ROM mmap()ped
static bool ram_area_mapped = false; // Flag: Mac RAM mmap()ped
@ -261,14 +259,6 @@ int main(int argc, char **argv)
if (!PrefsEditor())
goto quit;
// Create Low Memory area (0x0000..0x3000)
if (vm_mac_acquire(0, 0x3000) < 0) {
sprintf(str, GetString(STR_LOW_MEM_MMAP_ERR), strerror(errno));
ErrorAlert(str);
goto quit;
}
lm_area_mapped = true;
// Create areas for Kernel Data
if (!kernel_data_init())
goto quit;
@ -317,14 +307,13 @@ int main(int argc, char **argv)
WarningAlert(GetString(STR_SMALL_RAM_WARN));
RAMSize = 8*1024*1024;
}
if (vm_mac_acquire(RAM_BASE, RAMSize) < 0) {
RAMBase = 0;
if (vm_mac_acquire(RAMBase, RAMSize) < 0) {
sprintf(str, GetString(STR_RAM_MMAP_ERR), strerror(errno));
ErrorAlert(str);
goto quit;
}
RAMBaseHost = Mac2HostAddr(RAM_BASE);
RAMBase = RAM_BASE;
RAMBaseHost = Mac2HostAddr(RAMBase);
ram_area_mapped = true;
D(bug("RAM area at %p (%08x)\n", RAMBaseHost, RAMBase));
@ -432,7 +421,7 @@ static void Quit(void)
// Delete RAM area
if (ram_area_mapped)
vm_mac_release(RAM_BASE, RAMSize);
vm_mac_release(RAMBase, RAMSize);
// Delete ROM area
if (rom_area_mapped)
@ -447,10 +436,6 @@ static void Quit(void)
// Delete Kernel Data area
kernel_data_exit();
// Delete Low Memory area
if (lm_area_mapped)
vm_mac_release(0, 0x3000);
// Exit system routines
SysExit();
@ -657,7 +642,7 @@ static DWORD tick_func(void *arg)
}
uint64 end = GetTicks_usec();
D(bug("%Ld ticks in %Ld usec = %f ticks/sec\n", ticks, end - start, ticks * 1000000.0 / (end - start)));
D(bug("%lu ticks in %lu usec = %f ticks/sec\n", (unsigned long)ticks, (unsigned long)(end - start), ticks * 1000000.0 / (end - start)));
return 0;
}

2
SheepShaver/src/Windows/sysdeps.h
View File

@ -52,7 +52,7 @@
// Use Direct Addressing mode
#define DIRECT_ADDRESSING 1
#define NATMEM_OFFSET 0x02000000
#define NATMEM_OFFSET 0x11000000
// Always use the complete (non-stubs based) Ethernet driver
#if DIRECT_ADDRESSING