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fixed several bugs and refactor memory access

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This commit is contained in:
Blaise Tine
2022-02-04 17:50:19 -05:00
parent cf2a0a5f39
commit 5fbace9fa0
13 changed files with 483 additions and 578 deletions
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17
sim/common/bitmanip.h
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@@ -74,24 +74,27 @@ inline uint64_t bit_getw(uint64_t bits, uint32_t start, uint32_t end) {
inline uint32_t sext(uint32_t word, uint32_t width) {
assert(width > 1);
assert(width <= 32);
uint64_t unity = 1;
uint32_t mask = (unity << width) - 1;
if (width == 32)
return word;
uint32_t mask = (uint32_t(1) << width) - 1;
return ((word >> (width - 1)) & 0x1) ? (word | ~mask) : word;
}
inline uint64_t sext(uint64_t word, uint32_t width) {
assert(width > 1);
assert(width <= 64);
__uint128_t unity = 1;
uint64_t mask = (unity << width) - 1;
if (width == 64)
return word;
uint64_t mask = (uint64_t(1) << width) - 1;
return ((word >> (width - 1)) & 0x1) ? (word | ~mask) : word;
}
inline __uint128_t sext(__uint128_t word, uint32_t width) {
assert(width > 1);
assert(width <= 64);
__uint128_t unity = 1;
__uint128_t mask = (unity << width) - 1;
assert(width <= 128);
if (width == 128)
return word;
__uint128_t mask = (__uint128_t(1) << width) - 1;
return ((word >> (width - 1)) & 0x1) ? (word | ~mask) : word;
}