Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef _ASM_IA64_FPSWA_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _ASM_IA64_FPSWA_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Floating-point Software Assist
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * Copyright (C) 1999 Intel Corporation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * Copyright (C) 1999 Asit Mallick <asit.k.mallick@intel.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * Copyright (C) 1999 Goutham Rao <goutham.rao@intel.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) typedef struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	/* 4 * 128 bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	unsigned long fp_lp[4*2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) } fp_state_low_preserved_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) typedef struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	/* 10 * 128 bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	unsigned long fp_lv[10 * 2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) } fp_state_low_volatile_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) typedef	struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	/* 16 * 128 bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	unsigned long fp_hp[16 * 2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) } fp_state_high_preserved_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) typedef struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	/* 96 * 128 bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	unsigned long fp_hv[96 * 2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) } fp_state_high_volatile_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)  * floating point state to be passed to the FP emulation library by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)  * the trap/fault handler
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) typedef struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	unsigned long			bitmask_low64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	unsigned long			bitmask_high64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	fp_state_low_preserved_t	*fp_state_low_preserved;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	fp_state_low_volatile_t		*fp_state_low_volatile;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	fp_state_high_preserved_t	*fp_state_high_preserved;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	fp_state_high_volatile_t	*fp_state_high_volatile;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) } fp_state_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) typedef struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	unsigned long status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	unsigned long err0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	unsigned long err1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	unsigned long err2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) } fpswa_ret_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)  * function header for the Floating Point software assist
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)  * library. This function is invoked by the Floating point software
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)  * assist trap/fault handler.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) typedef fpswa_ret_t (*efi_fpswa_t) (unsigned long trap_type, void *bundle, unsigned long *ipsr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 				    unsigned long *fsr, unsigned long *isr, unsigned long *preds,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 				    unsigned long *ifs, fp_state_t *fp_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)  * This is the FPSWA library interface as defined by EFI.  We need to pass a 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)  * pointer to the interface itself on a call to the assist library
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) typedef struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 	unsigned int	 revision;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 	unsigned int	 reserved;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 	efi_fpswa_t	 fpswa;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) } fpswa_interface_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) extern fpswa_interface_t *fpswa_interface;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) #endif /* _ASM_IA64_FPSWA_H */