diff options
Diffstat (limited to 'qemu/include/hw/virtio/virtio-access.h')
| -rw-r--r-- | qemu/include/hw/virtio/virtio-access.h | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/qemu/include/hw/virtio/virtio-access.h b/qemu/include/hw/virtio/virtio-access.h deleted file mode 100644 index 8dc84f520..000000000 --- a/qemu/include/hw/virtio/virtio-access.h +++ /dev/null @@ -1,174 +0,0 @@ -/* - * Virtio Accessor Support: In case your target can change endian. - * - * Copyright IBM, Corp. 2013 - * - * Authors: - * Rusty Russell <rusty@au.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - */ -#ifndef _QEMU_VIRTIO_ACCESS_H -#define _QEMU_VIRTIO_ACCESS_H -#include "hw/virtio/virtio.h" -#include "exec/address-spaces.h" - -static inline bool virtio_access_is_big_endian(VirtIODevice *vdev) -{ -#if defined(TARGET_IS_BIENDIAN) - return virtio_is_big_endian(vdev); -#elif defined(TARGET_WORDS_BIGENDIAN) - if (virtio_vdev_has_feature(vdev, VIRTIO_F_VERSION_1)) { - /* Devices conforming to VIRTIO 1.0 or later are always LE. */ - return false; - } - return true; -#else - return false; -#endif -} - -static inline uint16_t virtio_lduw_phys(VirtIODevice *vdev, hwaddr pa) -{ - if (virtio_access_is_big_endian(vdev)) { - return lduw_be_phys(&address_space_memory, pa); - } - return lduw_le_phys(&address_space_memory, pa); -} - -static inline uint32_t virtio_ldl_phys(VirtIODevice *vdev, hwaddr pa) -{ - if (virtio_access_is_big_endian(vdev)) { - return ldl_be_phys(&address_space_memory, pa); - } - return ldl_le_phys(&address_space_memory, pa); -} - -static inline uint64_t virtio_ldq_phys(VirtIODevice *vdev, hwaddr pa) -{ - if (virtio_access_is_big_endian(vdev)) { - return ldq_be_phys(&address_space_memory, pa); - } - return ldq_le_phys(&address_space_memory, pa); -} - -static inline void virtio_stw_phys(VirtIODevice *vdev, hwaddr pa, - uint16_t value) -{ - if (virtio_access_is_big_endian(vdev)) { - stw_be_phys(&address_space_memory, pa, value); - } else { - stw_le_phys(&address_space_memory, pa, value); - } -} - -static inline void virtio_stl_phys(VirtIODevice *vdev, hwaddr pa, - uint32_t value) -{ - if (virtio_access_is_big_endian(vdev)) { - stl_be_phys(&address_space_memory, pa, value); - } else { - stl_le_phys(&address_space_memory, pa, value); - } -} - -static inline void virtio_stw_p(VirtIODevice *vdev, void *ptr, uint16_t v) -{ - if (virtio_access_is_big_endian(vdev)) { - stw_be_p(ptr, v); - } else { - stw_le_p(ptr, v); - } -} - -static inline void virtio_stl_p(VirtIODevice *vdev, void *ptr, uint32_t v) -{ - if (virtio_access_is_big_endian(vdev)) { - stl_be_p(ptr, v); - } else { - stl_le_p(ptr, v); - } -} - -static inline void virtio_stq_p(VirtIODevice *vdev, void *ptr, uint64_t v) -{ - if (virtio_access_is_big_endian(vdev)) { - stq_be_p(ptr, v); - } else { - stq_le_p(ptr, v); - } -} - -static inline int virtio_lduw_p(VirtIODevice *vdev, const void *ptr) -{ - if (virtio_access_is_big_endian(vdev)) { - return lduw_be_p(ptr); - } else { - return lduw_le_p(ptr); - } -} - -static inline int virtio_ldl_p(VirtIODevice *vdev, const void *ptr) -{ - if (virtio_access_is_big_endian(vdev)) { - return ldl_be_p(ptr); - } else { - return ldl_le_p(ptr); - } -} - -static inline uint64_t virtio_ldq_p(VirtIODevice *vdev, const void *ptr) -{ - if (virtio_access_is_big_endian(vdev)) { - return ldq_be_p(ptr); - } else { - return ldq_le_p(ptr); - } -} - -static inline uint16_t virtio_tswap16(VirtIODevice *vdev, uint16_t s) -{ -#ifdef HOST_WORDS_BIGENDIAN - return virtio_access_is_big_endian(vdev) ? s : bswap16(s); -#else - return virtio_access_is_big_endian(vdev) ? bswap16(s) : s; -#endif -} - -static inline void virtio_tswap16s(VirtIODevice *vdev, uint16_t *s) -{ - *s = virtio_tswap16(vdev, *s); -} - -static inline uint32_t virtio_tswap32(VirtIODevice *vdev, uint32_t s) -{ -#ifdef HOST_WORDS_BIGENDIAN - return virtio_access_is_big_endian(vdev) ? s : bswap32(s); -#else - return virtio_access_is_big_endian(vdev) ? bswap32(s) : s; -#endif -} - -static inline void virtio_tswap32s(VirtIODevice *vdev, uint32_t *s) -{ - *s = virtio_tswap32(vdev, *s); -} - -static inline uint64_t virtio_tswap64(VirtIODevice *vdev, uint64_t s) -{ -#ifdef HOST_WORDS_BIGENDIAN - return virtio_access_is_big_endian(vdev) ? s : bswap64(s); -#else - return virtio_access_is_big_endian(vdev) ? bswap64(s) : s; -#endif -} - -static inline void virtio_tswap64s(VirtIODevice *vdev, uint64_t *s) -{ - *s = virtio_tswap64(vdev, *s); -} -#endif /* _QEMU_VIRTIO_ACCESS_H */ |