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| author | Richard Henderson <richard.henderson@linaro.org> | 2022-03-01 11:59:41 -1000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2022-03-02 19:27:36 +0000 |
| commit | d5e51efb9f1842d85f24fb0e2fe298641de6e129 (patch) | |
| tree | 8c167dca10f4acd0a5a3cee4a92af81b0235daad | |
| parent | 4c579e15bdde6468317b40a84bf93e0114a0b179 (diff) | |
| download | qemu-d5e51efb9f1842d85f24fb0e2fe298641de6e129.zip qemu-d5e51efb9f1842d85f24fb0e2fe298641de6e129.tar.gz qemu-d5e51efb9f1842d85f24fb0e2fe298641de6e129.tar.bz2 | |
hw/registerfields: Add FIELD_SEX<N> and FIELD_SDP<N>
Add new macros to manipulate signed fields within the register.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220301215958.157011-2-richard.henderson@linaro.org
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | include/hw/registerfields.h | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/include/hw/registerfields.h b/include/hw/registerfields.h index f2a3c9c..3a88e13 100644 --- a/include/hw/registerfields.h +++ b/include/hw/registerfields.h @@ -59,6 +59,19 @@ extract64((storage), R_ ## reg ## _ ## field ## _SHIFT, \ R_ ## reg ## _ ## field ## _LENGTH) +#define FIELD_SEX8(storage, reg, field) \ + sextract8((storage), R_ ## reg ## _ ## field ## _SHIFT, \ + R_ ## reg ## _ ## field ## _LENGTH) +#define FIELD_SEX16(storage, reg, field) \ + sextract16((storage), R_ ## reg ## _ ## field ## _SHIFT, \ + R_ ## reg ## _ ## field ## _LENGTH) +#define FIELD_SEX32(storage, reg, field) \ + sextract32((storage), R_ ## reg ## _ ## field ## _SHIFT, \ + R_ ## reg ## _ ## field ## _LENGTH) +#define FIELD_SEX64(storage, reg, field) \ + sextract64((storage), R_ ## reg ## _ ## field ## _SHIFT, \ + R_ ## reg ## _ ## field ## _LENGTH) + /* Extract a field from an array of registers */ #define ARRAY_FIELD_EX32(regs, reg, field) \ FIELD_EX32((regs)[R_ ## reg], reg, field) @@ -95,7 +108,40 @@ _d; }) #define FIELD_DP64(storage, reg, field, val) ({ \ struct { \ - uint64_t v:R_ ## reg ## _ ## field ## _LENGTH; \ + uint64_t v:R_ ## reg ## _ ## field ## _LENGTH; \ + } _v = { .v = val }; \ + uint64_t _d; \ + _d = deposit64((storage), R_ ## reg ## _ ## field ## _SHIFT, \ + R_ ## reg ## _ ## field ## _LENGTH, _v.v); \ + _d; }) + +#define FIELD_SDP8(storage, reg, field, val) ({ \ + struct { \ + signed int v:R_ ## reg ## _ ## field ## _LENGTH; \ + } _v = { .v = val }; \ + uint8_t _d; \ + _d = deposit32((storage), R_ ## reg ## _ ## field ## _SHIFT, \ + R_ ## reg ## _ ## field ## _LENGTH, _v.v); \ + _d; }) +#define FIELD_SDP16(storage, reg, field, val) ({ \ + struct { \ + signed int v:R_ ## reg ## _ ## field ## _LENGTH; \ + } _v = { .v = val }; \ + uint16_t _d; \ + _d = deposit32((storage), R_ ## reg ## _ ## field ## _SHIFT, \ + R_ ## reg ## _ ## field ## _LENGTH, _v.v); \ + _d; }) +#define FIELD_SDP32(storage, reg, field, val) ({ \ + struct { \ + signed int v:R_ ## reg ## _ ## field ## _LENGTH; \ + } _v = { .v = val }; \ + uint32_t _d; \ + _d = deposit32((storage), R_ ## reg ## _ ## field ## _SHIFT, \ + R_ ## reg ## _ ## field ## _LENGTH, _v.v); \ + _d; }) +#define FIELD_SDP64(storage, reg, field, val) ({ \ + struct { \ + int64_t v:R_ ## reg ## _ ## field ## _LENGTH; \ } _v = { .v = val }; \ uint64_t _d; \ _d = deposit64((storage), R_ ## reg ## _ ## field ## _SHIFT, \ |