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#ifndef RVL_SDK_OS_FAST_CAST_H
#define RVL_SDK_OS_FAST_CAST_H
#include <common.h>
#ifdef __cplusplus
extern "C" {
#endif
#define OS_GQR_TYPE_U8 4
#define OS_GQR_TYPE_U16 5
#define OS_GQR_TYPE_S8 6
#define OS_GQR_TYPE_S16 7
static inline void OSInitFastCast(void) {
// clang-format off
asm {
li r3, 4
oris r3, r3, 4
mtspr 0x392, r3
li r3, 5
oris r3, r3, 5
mtspr 0x393, r3
li r3, 6
oris r3, r3, 6
mtspr 0x394, r3
li r3, 7
oris r3, r3, 7
mtspr 0x395, r3
}
// clang-format on
}
static void OSSetGQR6(register u32 type, register u32 scale) {
register u32 val = ((scale << 8 | type) << 16) | ((scale << 8) | type);
// clang-format off
asm {
mtspr 0x396, val
}
// clang-format on
}
static void OSSetGQR7(register u32 type, register u32 scale) {
register u32 val = ((scale << 8 | type) << 16) | ((scale << 8) | type);
// clang-format off
asm {
mtspr 0x397, val
}
// clang-format on
}
/******************************************************************************
*
* Convert from U8
*
******************************************************************************/
static inline f32 __OSu8tof32(register u8 *in) {
register f32 ret;
// clang-format off
asm {
psq_l ret, 0(in), 1, 2
}
// clang-format on
return ret;
}
static inline void OSu8tof32(u8 *in, volatile f32 *out) {
*out = __OSu8tof32(in);
}
/******************************************************************************
*
* Convert from U16
*
******************************************************************************/
static inline f32 __OSu16tof32(register u16 *arg) {
register f32 ret;
// clang-format off
asm {
psq_l ret, 0(arg), 1, 3
}
// clang-format on
return ret;
}
static inline void OSu16tof32(u16 *in, volatile f32 *out) {
*out = __OSu16tof32(in);
}
/******************************************************************************
*
* Convert from S16
*
******************************************************************************/
static inline f32 __OSs16tof32(register s16 *arg) {
register f32 ret;
// clang-format off
asm {
psq_l ret, 0(arg), 1, 5
}
// clang-format on
return ret;
}
static inline void OSs16tof32(s16 *in, volatile f32 *out) {
*out = __OSs16tof32(in);
}
/******************************************************************************
*
* Convert from F32
*
******************************************************************************/
static inline u8 __OSf32tou8(register f32 arg) {
f32 a;
register f32 *ptr = &a;
u8 r;
// clang-format off
asm {
psq_st arg, 0(ptr), 1, 2
}
// clang-format on
r = *(u8 *)ptr;
return r;
}
static inline void OSf32tou8(f32 *in, volatile u8 *out) {
*out = __OSf32tou8(*in);
}
static inline u16 __OSf32tou16(register f32 arg) {
f32 a;
register f32 *ptr = &a;
u16 r;
// clang-format off
asm {
psq_st arg, 0(ptr), 1, 3
}
// clang-format on
r = *(u16 *)ptr;
return r;
}
static inline void OSf32tou16(f32 *in, volatile u16 *out) {
*out = __OSf32tou16(*in);
}
static inline s16 __OSf32tos16(register f32 arg) {
f32 a;
register f32 *ptr = &a;
s16 r;
// clang-format off
asm {
psq_st arg, 0(ptr), 1, 5
}
// clang-format on
r = *(s16 *)ptr;
return r;
}
static inline void OSf32tos16(f32 *in, volatile s16 *out) {
*out = __OSf32tos16(*in);
}
#ifdef __cplusplus
}
#endif
#endif
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