diff options
Diffstat (limited to 'debug/risc-v-gsp-rm-vm/sim/devices/fwsec.py')
| -rw-r--r-- | debug/risc-v-gsp-rm-vm/sim/devices/fwsec.py | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/debug/risc-v-gsp-rm-vm/sim/devices/fwsec.py b/debug/risc-v-gsp-rm-vm/sim/devices/fwsec.py index 8dcf633..b278ec8 100644 --- a/debug/risc-v-gsp-rm-vm/sim/devices/fwsec.py +++ b/debug/risc-v-gsp-rm-vm/sim/devices/fwsec.py @@ -25,6 +25,17 @@ WPR2_ADDR_HI = 0x1FA828 WPR2_ALIGNMENT = 12 WPR2_BLOCK = 0x20000 +#: Block-relative offsets (a profile window that starts at ``+0x1FA000`` +#: reaches the pair at ``0x824``/``0x828``; the device accepts both forms). +WPR2_ADDR_LO_REL = WPR2_ADDR_LO & 0xFFF +WPR2_ADDR_HI_REL = WPR2_ADDR_HI & 0xFFF +_KEYS = { + WPR2_ADDR_LO: WPR2_ADDR_LO, + WPR2_ADDR_HI: WPR2_ADDR_HI, + WPR2_ADDR_LO_REL: WPR2_ADDR_LO, + WPR2_ADDR_HI_REL: WPR2_ADDR_HI, +} + class Wpr2Block(Device): """WPR2 address pair as seen by the firmware (host/booter-written).""" @@ -60,13 +71,15 @@ class Wpr2Block(Device): self.regs: dict[int, int] = {} def read(self, offset: int, size: int) -> int | None: - if size == 4 and offset in self.regs: - return self.regs[offset] + key = _KEYS.get(offset) + if size == 4 and key is not None and key in self.regs: + return self.regs[key] return None def write(self, offset: int, size: int, value: int) -> bool: - if size == 4 and offset in (WPR2_ADDR_LO, WPR2_ADDR_HI): - self.regs[offset] = value & 0xFFFFFFFF + key = _KEYS.get(offset) + if size == 4 and key is not None: + self.regs[key] = value & 0xFFFFFFFF return True return False |