def mem_cache_rwx_write_test():
mem = MemoryCache(0x100, 0x210)
# build cache contents
mem.w8(0x100, 42)
assert mem.r8(0x100) == 42
mem.w16(0x200, 0xdead)
assert mem.r16(0x200) == 0xdead
mem.w32(0x300, 0xcafebabe)
assert mem.r32(0x300) == 0xcafebabe
mem.write(0, 0x101, 43)
assert mem.read(0, 0x101) == 43
mem.write(1, 0x202, 0x1234)
assert mem.read(1, 0x202) == 0x1234
mem.write(2, 0x304, 0x11223344)
assert mem.read(2, 0x304) == 0x11223344
# write to main mem
main_mem = MockMemory()
mem.write_cache(main_mem)
# check main mem
assert main_mem.r8(0x100) == 42
assert main_mem.r16(0x200) == 0xdead
assert main_mem.r32(0x300) == 0xcafebabe
assert main_mem.read(0, 0x101) == 43
assert main_mem.read(1, 0x202) == 0x1234
assert main_mem.read(2, 0x304) == 0x11223344
def mem_cache_rwx_write_test(): mem = MemoryCache(0x100, 0x210) # build cache contents mem.w8(0x100, 42) assert mem.r8(0x100) == 42 mem.w16(0x200, 0xdead) assert mem.r16(0x200) == 0xdead mem.w32(0x300, 0xcafebabe) assert mem.r32(0x300) == 0xcafebabe mem.write(0, 0x101, 43) assert mem.read(0, 0x101) == 43 mem.write(1, 0x202, 0x1234) assert mem.read(1, 0x202) == 0x1234 mem.write(2, 0x304, 0x11223344) assert mem.read(2, 0x304) == 0x11223344 # write to main mem main_mem = MockMemory() mem.write_cache(main_mem) # check main mem assert main_mem.r8(0x100) == 42 assert main_mem.r16(0x200) == 0xdead assert main_mem.r32(0x300) == 0xcafebabe assert main_mem.read(0, 0x101) == 43 assert main_mem.read(1, 0x202) == 0x1234 assert main_mem.read(2, 0x304) == 0x11223344
def mem_cache_rwx_read_test():
mem = MockMemory()
# build main mem contents
mem.w8(0x100, 42)
assert mem.r8(0x100) == 42
mem.w16(0x200, 0xDEAD)
assert mem.r16(0x200) == 0xDEAD
mem.w32(0x300, 0xCAFEBABE)
assert mem.r32(0x300) == 0xCAFEBABE
mem.write(0, 0x101, 43)
assert mem.read(0, 0x101) == 43
mem.write(1, 0x202, 0x1234)
assert mem.read(1, 0x202) == 0x1234
mem.write(2, 0x304, 0x11223344)
assert mem.read(2, 0x304) == 0x11223344
# write to cache
cmem = MemoryCache(0x100, 0x210)
cmem.read_cache(mem)
# check cache mem
assert cmem.r8(0x100) == 42
assert cmem.r16(0x200) == 0xDEAD
assert cmem.r32(0x300) == 0xCAFEBABE
assert cmem.read(0, 0x101) == 43
assert cmem.read(1, 0x202) == 0x1234
assert cmem.read(2, 0x304) == 0x11223344