| loongarch.h (8ff81bb24f68f747ab2f738c3d493b9c2cad52bf) | loongarch.h (bd3c5798484aa9a08302a844d7a75a2ee3b53d05) |
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| 1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited 4 */ 5#ifndef _ASM_LOONGARCH_H 6#define _ASM_LOONGARCH_H 7 8#include <linux/bits.h> --- 1396 unchanged lines hidden (view full) --- 1405 1406/* Bits 8 and 9 of FPU Status Register specify the rounding mode */ 1407#define FPU_CSR_RM 0x300 1408#define FPU_CSR_RN 0x000 /* nearest */ 1409#define FPU_CSR_RZ 0x100 /* towards zero */ 1410#define FPU_CSR_RU 0x200 /* towards +Infinity */ 1411#define FPU_CSR_RD 0x300 /* towards -Infinity */ 1412 | 1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited 4 */ 5#ifndef _ASM_LOONGARCH_H 6#define _ASM_LOONGARCH_H 7 8#include <linux/bits.h> --- 1396 unchanged lines hidden (view full) --- 1405 1406/* Bits 8 and 9 of FPU Status Register specify the rounding mode */ 1407#define FPU_CSR_RM 0x300 1408#define FPU_CSR_RN 0x000 /* nearest */ 1409#define FPU_CSR_RZ 0x100 /* towards zero */ 1410#define FPU_CSR_RU 0x200 /* towards +Infinity */ 1411#define FPU_CSR_RD 0x300 /* towards -Infinity */ 1412 |
| 1413/* Bit 6 of FPU Status Register specify the LBT TOP simulation mode */ 1414#define FPU_CSR_TM_SHIFT 0x6 1415#define FPU_CSR_TM (_ULCAST_(1) << FPU_CSR_TM_SHIFT) 1416 |
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| 1413#define read_fcsr(source) \ 1414({ \ 1415 unsigned int __res; \ 1416\ 1417 __asm__ __volatile__( \ 1418 " movfcsr2gr %0, "__stringify(source)" \n" \ 1419 : "=r" (__res)); \ 1420 __res; \ 1421}) 1422 1423#define write_fcsr(dest, val) \ 1424do { \ 1425 __asm__ __volatile__( \ 1426 " movgr2fcsr "__stringify(dest)", %0 \n" \ 1427 : : "r" (val)); \ 1428} while (0) 1429 1430#endif /* _ASM_LOONGARCH_H */ | 1417#define read_fcsr(source) \ 1418({ \ 1419 unsigned int __res; \ 1420\ 1421 __asm__ __volatile__( \ 1422 " movfcsr2gr %0, "__stringify(source)" \n" \ 1423 : "=r" (__res)); \ 1424 __res; \ 1425}) 1426 1427#define write_fcsr(dest, val) \ 1428do { \ 1429 __asm__ __volatile__( \ 1430 " movgr2fcsr "__stringify(dest)", %0 \n" \ 1431 : : "r" (val)); \ 1432} while (0) 1433 1434#endif /* _ASM_LOONGARCH_H */ |