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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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@ -391,10 +391,6 @@ void GlobalInit()
memoryWriteLong(0xffffffff, MacOS::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 // 0x0130 -- ApplLimit
memoryWriteLong(Flags.memorySize - Flags.stackSize - 1, MacOS::ApplLimit); memoryWriteLong(Flags.memorySize - Flags.stackSize - 1, MacOS::ApplLimit);
} }
@ -405,7 +401,7 @@ void CreateStack()
// allocate stack, set A7... // allocate stack, set A7...
uint32_t address; uint32_t address;
uint16_t error; //uint16_t error;
#if 0 #if 0
Flags.stackSize = (Flags.stackSize + 3) & ~0x03; Flags.stackSize = (Flags.stackSize + 3) & ~0x03;
@ -892,10 +888,8 @@ int main(int argc, char **argv)
// for pre-fetch. // for pre-fetch.
memorySetMemory(Memory, MemorySize); 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(); OS::Init();
MPW::Init(argc, argv, defines); MPW::Init(argc, argv, defines);

15
toolbox/mm.cpp
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@ -50,6 +50,7 @@ namespace
uint8_t *Memory; uint8_t *Memory;
uint32_t MemorySize; uint32_t MemorySize;
uint32_t HeapSize;
// queue of free Handles // queue of free Handles
std::deque<uint32_t> HandleQueue; std::deque<uint32_t> HandleQueue;
@ -104,16 +105,17 @@ namespace
namespace MM 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; int ok;
Memory = memory; Memory = memory;
MemorySize = memorySize; MemorySize = memorySize;
HeapSize = memorySize - stack;
ok = mplite_init(&pool, ok = mplite_init(&pool,
memory + reserved, memory + globals,
memorySize - reserved, memorySize - globals - stack,
32, 32,
NULL); NULL);
@ -123,6 +125,9 @@ namespace MM
if (!alloc_handle_block()) return false; if (!alloc_handle_block()) return false;
// create system handles for the stack and global space?
return true; return true;
} }
@ -761,7 +766,7 @@ namespace MM
// MemorySize is the top of the heap. stack is after it. // 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); Log("%04x StripAddress(%08x)\n", trap, address);
if (MemorySize <= 0x00ffffff)
address &= 0x00ffffff; address &= 0x00ffffff;
return address; return address;
} }

2
toolbox/mm.h
View File

@ -32,7 +32,7 @@ namespace MM
uint16_t HUnlock(uint32_t handle); 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); uint16_t BlockMove(uint16_t trap);