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Fix StripAddress when > 16 megs of ram in use.

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This commit is contained in:
Kelvin Sherlock 2015-01-15 16:35:38 -05:00
parent 245fabe648
commit b146399a7e
3 changed files with 16 additions and 15 deletions
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10
bin/loader.cpp
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@ -390,10 +390,6 @@ void GlobalInit()
// 0x0a06 - MinusOne
memoryWriteLong(0xffffffff, MacOS::MinusOne);
// todo -- expects high stack, low heap.
// the allocator currently works from the top down,
// so put stack at top of memory?
// 0x0130 -- ApplLimit
memoryWriteLong(Flags.memorySize - Flags.stackSize - 1, MacOS::ApplLimit);
@ -405,7 +401,7 @@ void CreateStack()
// allocate stack, set A7...
uint32_t address;
uint16_t error;
//uint16_t error;
#if 0
Flags.stackSize = (Flags.stackSize + 3) & ~0x03;
@ -892,10 +888,8 @@ int main(int argc, char **argv)
// for pre-fetch.
memorySetMemory(Memory, MemorySize);
// should we subtract memory from the top
// for the stack vs allocating it?
MM::Init(Memory, MemorySize - Flags.stackSize, kGlobalSize);
MM::Init(Memory, MemorySize, kGlobalSize, Flags.stackSize);
OS::Init();
MPW::Init(argc, argv, defines);

17
toolbox/mm.cpp
View File

@ -50,6 +50,7 @@ namespace
uint8_t *Memory;
uint32_t MemorySize;
uint32_t HeapSize;
// queue of free Handles
std::deque<uint32_t> HandleQueue;
@ -104,16 +105,17 @@ namespace
namespace MM
{
bool Init(uint8_t *memory, uint32_t memorySize, uint32_t reserved)
bool Init(uint8_t *memory, uint32_t memorySize, uint32_t globals, uint32_t stack)
{
int ok;
Memory = memory;
MemorySize = memorySize;
HeapSize = memorySize - stack;
ok = mplite_init(&pool,
memory + reserved,
memorySize - reserved,
memory + globals,
memorySize - globals - stack,
32,
NULL);
@ -123,6 +125,9 @@ namespace MM
if (!alloc_handle_block()) return false;
// create system handles for the stack and global space?
return true;
}
@ -761,7 +766,7 @@ namespace MM
// MemorySize is the top of the heap. stack is after it.
return sp - MemorySize;
return sp - HeapSize;
}
@ -1446,7 +1451,9 @@ namespace MM
Log("%04x StripAddress(%08x)\n", trap, address);
address &= 0x00ffffff;
if (MemorySize <= 0x00ffffff)
address &= 0x00ffffff;
return address;
}

4
toolbox/mm.h
View File

@ -32,7 +32,7 @@ namespace MM
uint16_t HUnlock(uint32_t handle);
}
bool Init(uint8_t *memory, uint32_t memorySize, uint32_t reserved);
bool Init(uint8_t *memory, uint32_t memorySize, uint32_t globals, uint32_t stack);
uint16_t BlockMove(uint16_t trap);
@ -69,7 +69,7 @@ namespace MM
uint16_t HPurge(uint16_t trap);
uint16_t HNoPurge(uint16_t trap);
uint16_t HSetRBit(uint16_t trap);
uint16_t HClrRBit(uint16_t trap);