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added stack field to cpu

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This commit is contained in:
Anton Lydike 2021-04-24 18:19:37 +02:00
parent f646bf1f1d
commit da895f00cd
1 changed files with 5 additions and 3 deletions
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8
riscemu/CPU.py
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@ -49,6 +49,8 @@ class CPU:
self.conf = conf
self.active_debug = False # if a debugging session is currently runnign
self.stack: typing.Optional['riscemu.LoadedMemorySection'] = None
# setup MMU, registers and syscall handlers
self.mmu = MMU(conf)
self.regs = Registers(conf)
@ -87,9 +89,9 @@ class CPU:
self.pc = le.run_ptr
if self.conf.stack_size > 0:
stack = self.mmu.allocate_section("stack", self.conf.stack_size, MemoryFlags(False, False))
self.regs.set('sp', stack.base + stack.size)
print(FMT_CPU + '[CPU] Allocated {} bytes of stack'.format(stack.size) + FMT_NONE)
self.stack = self.mmu.allocate_section("stack", self.conf.stack_size, MemoryFlags(False, False))
self.regs.set('sp', self.stack.base + self.stack.size)
print(FMT_CPU + '[CPU] Allocated {} bytes of stack'.format(self.stack.size) + FMT_NONE)
print(FMT_CPU + '[CPU] Started running from 0x{:08X} ({})'.format(le.run_ptr, le.name) + FMT_NONE)
self.__run()