1 files changed, 304 insertions, 0 deletions
diff --git a/arch/xtensa/variants/s6000/include/variant/tie-asm.h b/arch/xtensa/variants/s6000/include/variant/tie-asm.h
new file mode 100644
index 000000000000..f02d0a3a2e20
--- /dev/null
+++ b/arch/xtensa/variants/s6000/include/variant/tie-asm.h
@@ -0,0 +1,304 @@
+/*
+ * This header file contains assembly-language definitions (assembly
+ * macros, etc.) for this specific Xtensa processor's TIE extensions
+ * and options.  It is customized to this Xtensa processor configuration.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1999-2008 Tensilica Inc.
+ */
+
+#ifndef _XTENSA_CORE_TIE_ASM_H
+#define _XTENSA_CORE_TIE_ASM_H
+
+/*  Selection parameter values for save-area save/restore macros:  */
+/*  Option vs. TIE:  */
+#define XTHAL_SAS_TIE	0x0001	/* custom extension or coprocessor */
+#define XTHAL_SAS_OPT	0x0002	/* optional (and not a coprocessor) */
+/*  Whether used automatically by compiler:  */
+#define XTHAL_SAS_NOCC	0x0004	/* not used by compiler w/o special opts/code */
+#define XTHAL_SAS_CC	0x0008	/* used by compiler without special opts/code */
+/*  ABI handling across function calls:  */
+#define XTHAL_SAS_CALR	0x0010	/* caller-saved */
+#define XTHAL_SAS_CALE	0x0020	/* callee-saved */
+#define XTHAL_SAS_GLOB	0x0040	/* global across function calls (in thread) */
+/*  Misc  */
+#define XTHAL_SAS_ALL	0xFFFF	/* include all default NCP contents */
+
+
+
+/* Macro to save all non-coprocessor (extra) custom TIE and optional state
+ * (not including zero-overhead loop registers).
+ * Save area ptr (clobbered):  ptr  (16 byte aligned)
+ * Scratch regs  (clobbered):  at1..at4  (only first XCHAL_NCP_NUM_ATMPS needed)
+ */
+	.macro xchal_ncp_store  ptr at1 at2 at3 at4  continue=0 ofs=-1 select=XTHAL_SAS_ALL
+	xchal_sa_start	\continue, \ofs
+	.ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
+	xchal_sa_align	\ptr, 0, 1024-4, 4, 4
+	rsr	\at1, BR		// boolean option
+	s32i	\at1, \ptr, .Lxchal_ofs_ + 0
+	.set	.Lxchal_ofs_, .Lxchal_ofs_ + 4
+	.endif
+	.endm	// xchal_ncp_store
+
+/* Macro to save all non-coprocessor (extra) custom TIE and optional state
+ * (not including zero-overhead loop registers).
+ * Save area ptr (clobbered):  ptr  (16 byte aligned)
+ * Scratch regs  (clobbered):  at1..at4  (only first XCHAL_NCP_NUM_ATMPS needed)
+ */
+	.macro xchal_ncp_load  ptr at1 at2 at3 at4  continue=0 ofs=-1 select=XTHAL_SAS_ALL
+	xchal_sa_start	\continue, \ofs
+	.ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
+	xchal_sa_align	\ptr, 0, 1024-4, 4, 4
+	l32i	\at1, \ptr, .Lxchal_ofs_ + 0
+	wsr	\at1, BR		// boolean option
+	.set	.Lxchal_ofs_, .Lxchal_ofs_ + 4
+	.endif
+	.endm	// xchal_ncp_load
+
+
+
+#define XCHAL_NCP_NUM_ATMPS	1
+
+
+
+/* Macro to save the state of TIE coprocessor FPU.
+ * Save area ptr (clobbered):  ptr  (16 byte aligned)
+ * Scratch regs  (clobbered):  at1..at4  (only first XCHAL_CP0_NUM_ATMPS needed)
+ */
+#define xchal_cp_FPU_store	xchal_cp0_store
+/* #define xchal_cp_FPU_store_a2	xchal_cp0_store a2 a3 a4 a5 a6 */
+	.macro	xchal_cp0_store  ptr at1 at2 at3 at4  continue=0 ofs=-1 select=XTHAL_SAS_ALL
+	xchal_sa_start \continue, \ofs
+	.ifeq (XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
+	xchal_sa_align	\ptr, 0, 0, 1, 16
+	rur232	\at1		// FCR
+	s32i	\at1, \ptr, 0
+	rur233	\at1		// FSR
+	s32i	\at1, \ptr, 4
+	SSI f0, \ptr,  8
+	SSI f1, \ptr,  12
+	SSI f2, \ptr,  16
+	SSI f3, \ptr,  20
+	SSI f4, \ptr,  24
+	SSI f5, \ptr,  28
+	SSI f6, \ptr,  32
+	SSI f7, \ptr,  36
+	SSI f8, \ptr,  40
+	SSI f9, \ptr,  44
+	SSI f10, \ptr,  48
+	SSI f11, \ptr,  52
+	SSI f12, \ptr,  56
+	SSI f13, \ptr,  60
+	SSI f14, \ptr,  64
+	SSI f15, \ptr,  68
+	.set	.Lxchal_ofs_, .Lxchal_ofs_ + 72
+	.endif
+	.endm	// xchal_cp0_store
+
+/* Macro to restore the state of TIE coprocessor FPU.
+ * Save area ptr (clobbered):  ptr  (16 byte aligned)
+ * Scratch regs  (clobbered):  at1..at4  (only first XCHAL_CP0_NUM_ATMPS needed)
+ */
+#define xchal_cp_FPU_load	xchal_cp0_load
+/* #define xchal_cp_FPU_load_a2	xchal_cp0_load a2 a3 a4 a5 a6 */
+	.macro	xchal_cp0_load  ptr at1 at2 at3 at4  continue=0 ofs=-1 select=XTHAL_SAS_ALL
+	xchal_sa_start \continue, \ofs
+	.ifeq (XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
+	xchal_sa_align	\ptr, 0, 0, 1, 16
+	l32i	\at1, \ptr, 0
+	wur232	\at1		// FCR
+	l32i	\at1, \ptr, 4
+	wur233	\at1		// FSR
+	LSI f0, \ptr,  8
+	LSI f1, \ptr,  12
+	LSI f2, \ptr,  16
+	LSI f3, \ptr,  20
+	LSI f4, \ptr,  24
+	LSI f5, \ptr,  28
+	LSI f6, \ptr,  32
+	LSI f7, \ptr,  36
+	LSI f8, \ptr,  40
+	LSI f9, \ptr,  44
+	LSI f10, \ptr,  48
+	LSI f11, \ptr,  52
+	LSI f12, \ptr,  56
+	LSI f13, \ptr,  60
+	LSI f14, \ptr,  64
+	LSI f15, \ptr,  68
+	.set	.Lxchal_ofs_, .Lxchal_ofs_ + 72
+	.endif
+	.endm	// xchal_cp0_load
+
+#define XCHAL_CP0_NUM_ATMPS	1
+
+/* Macro to save the state of TIE coprocessor XAD.
+ * Save area ptr (clobbered):  ptr  (16 byte aligned)
+ * Scratch regs  (clobbered):  at1..at4  (only first XCHAL_CP6_NUM_ATMPS needed)
+ */
+#define xchal_cp_XAD_store	xchal_cp6_store
+/* #define xchal_cp_XAD_store_a2	xchal_cp6_store a2 a3 a4 a5 a6 */
+	.macro	xchal_cp6_store  ptr at1 at2 at3 at4  continue=0 ofs=-1 select=XTHAL_SAS_ALL
+	xchal_sa_start \continue, \ofs
+	.ifeq (XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
+	xchal_sa_align	\ptr, 0, 0, 1, 16
+	rur0	\at1		// LDCBHI
+	s32i	\at1, \ptr, 0
+	rur1	\at1		// LDCBLO
+	s32i	\at1, \ptr, 4
+	rur2	\at1		// STCBHI
+	s32i	\at1, \ptr, 8
+	rur3	\at1		// STCBLO
+	s32i	\at1, \ptr, 12
+	rur8	\at1		// LDBRBASE
+	s32i	\at1, \ptr, 16
+	rur9	\at1		// LDBROFF
+	s32i	\at1, \ptr, 20
+	rur10	\at1		// LDBRINC
+	s32i	\at1, \ptr, 24
+	rur11	\at1		// STBRBASE
+	s32i	\at1, \ptr, 28
+	rur12	\at1		// STBROFF
+	s32i	\at1, \ptr, 32
+	rur13	\at1		// STBRINC
+	s32i	\at1, \ptr, 36
+	rur24	\at1		// SCRATCH0
+	s32i	\at1, \ptr, 40
+	rur25	\at1		// SCRATCH1
+	s32i	\at1, \ptr, 44
+	rur26	\at1		// SCRATCH2
+	s32i	\at1, \ptr, 48
+	rur27	\at1		// SCRATCH3
+	s32i	\at1, \ptr, 52
+	WRAS128I wra0, \ptr,  64
+	WRAS128I wra1, \ptr,  80
+	WRAS128I wra2, \ptr,  96
+	WRAS128I wra3, \ptr,  112
+	WRAS128I wra4, \ptr,  128
+	WRAS128I wra5, \ptr,  144
+	WRAS128I wra6, \ptr,  160
+	WRAS128I wra7, \ptr,  176
+	WRAS128I wra8, \ptr,  192
+	WRAS128I wra9, \ptr,  208
+	WRAS128I wra10, \ptr,  224
+	WRAS128I wra11, \ptr,  240
+	WRAS128I wra12, \ptr,  256
+	WRAS128I wra13, \ptr,  272
+	WRAS128I wra14, \ptr,  288
+	WRAS128I wra15, \ptr,  304
+	WRBS128I wrb0, \ptr,  320
+	WRBS128I wrb1, \ptr,  336
+	WRBS128I wrb2, \ptr,  352
+	WRBS128I wrb3, \ptr,  368
+	WRBS128I wrb4, \ptr,  384
+	WRBS128I wrb5, \ptr,  400
+	WRBS128I wrb6, \ptr,  416
+	WRBS128I wrb7, \ptr,  432
+	WRBS128I wrb8, \ptr,  448
+	WRBS128I wrb9, \ptr,  464
+	WRBS128I wrb10, \ptr,  480
+	WRBS128I wrb11, \ptr,  496
+	WRBS128I wrb12, \ptr,  512
+	WRBS128I wrb13, \ptr,  528
+	WRBS128I wrb14, \ptr,  544
+	WRBS128I wrb15, \ptr,  560
+	.set	.Lxchal_ofs_, .Lxchal_ofs_ + 576
+	.endif
+	.endm	// xchal_cp6_store
+
+/* Macro to restore the state of TIE coprocessor XAD.
+ * Save area ptr (clobbered):  ptr  (16 byte aligned)
+ * Scratch regs  (clobbered):  at1..at4  (only first XCHAL_CP6_NUM_ATMPS needed)
+ */
+#define xchal_cp_XAD_load	xchal_cp6_load
+/* #define xchal_cp_XAD_load_a2	xchal_cp6_load a2 a3 a4 a5 a6 */
+	.macro	xchal_cp6_load  ptr at1 at2 at3 at4  continue=0 ofs=-1 select=XTHAL_SAS_ALL
+	xchal_sa_start \continue, \ofs
+	.ifeq (XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
+	xchal_sa_align	\ptr, 0, 0, 1, 16
+	l32i	\at1, \ptr, 0
+	wur0	\at1		// LDCBHI
+	l32i	\at1, \ptr, 4
+	wur1	\at1		// LDCBLO
+	l32i	\at1, \ptr, 8
+	wur2	\at1		// STCBHI
+	l32i	\at1, \ptr, 12
+	wur3	\at1		// STCBLO
+	l32i	\at1, \ptr, 16
+	wur8	\at1		// LDBRBASE
+	l32i	\at1, \ptr, 20
+	wur9	\at1		// LDBROFF
+	l32i	\at1, \ptr, 24
+	wur10	\at1		// LDBRINC
+	l32i	\at1, \ptr, 28
+	wur11	\at1		// STBRBASE
+	l32i	\at1, \ptr, 32
+	wur12	\at1		// STBROFF
+	l32i	\at1, \ptr, 36
+	wur13	\at1		// STBRINC
+	l32i	\at1, \ptr, 40
+	wur24	\at1		// SCRATCH0
+	l32i	\at1, \ptr, 44
+	wur25	\at1		// SCRATCH1
+	l32i	\at1, \ptr, 48
+	wur26	\at1		// SCRATCH2
+	l32i	\at1, \ptr, 52
+	wur27	\at1		// SCRATCH3
+	WRBL128I wrb0, \ptr,  320
+	WRBL128I wrb1, \ptr,  336
+	WRBL128I wrb2, \ptr,  352
+	WRBL128I wrb3, \ptr,  368
+	WRBL128I wrb4, \ptr,  384
+	WRBL128I wrb5, \ptr,  400
+	WRBL128I wrb6, \ptr,  416
+	WRBL128I wrb7, \ptr,  432
+	WRBL128I wrb8, \ptr,  448
+	WRBL128I wrb9, \ptr,  464
+	WRBL128I wrb10, \ptr,  480
+	WRBL128I wrb11, \ptr,  496
+	WRBL128I wrb12, \ptr,  512
+	WRBL128I wrb13, \ptr,  528
+	WRBL128I wrb14, \ptr,  544
+	WRBL128I wrb15, \ptr,  560
+	WRAL128I wra0, \ptr,  64
+	WRAL128I wra1, \ptr,  80
+	WRAL128I wra2, \ptr,  96
+	WRAL128I wra3, \ptr,  112
+	WRAL128I wra4, \ptr,  128
+	WRAL128I wra5, \ptr,  144
+	WRAL128I wra6, \ptr,  160
+	WRAL128I wra7, \ptr,  176
+	WRAL128I wra8, \ptr,  192
+	WRAL128I wra9, \ptr,  208
+	WRAL128I wra10, \ptr,  224
+	WRAL128I wra11, \ptr,  240
+	WRAL128I wra12, \ptr,  256
+	WRAL128I wra13, \ptr,  272
+	WRAL128I wra14, \ptr,  288
+	WRAL128I wra15, \ptr,  304
+	.set	.Lxchal_ofs_, .Lxchal_ofs_ + 576
+	.endif
+	.endm	// xchal_cp6_load
+
+#define XCHAL_CP6_NUM_ATMPS	1
+#define XCHAL_SA_NUM_ATMPS	1
+
+	/*  Empty macros for unconfigured coprocessors:  */
+	.macro xchal_cp1_store	p a b c d continue=0 ofs=-1 select=-1 ; .endm
+	.macro xchal_cp1_load	p a b c d continue=0 ofs=-1 select=-1 ; .endm
+	.macro xchal_cp2_store	p a b c d continue=0 ofs=-1 select=-1 ; .endm
+	.macro xchal_cp2_load	p a b c d continue=0 ofs=-1 select=-1 ; .endm
+	.macro xchal_cp3_store	p a b c d continue=0 ofs=-1 select=-1 ; .endm
+	.macro xchal_cp3_load	p a b c d continue=0 ofs=-1 select=-1 ; .endm
+	.macro xchal_cp4_store	p a b c d continue=0 ofs=-1 select=-1 ; .endm
+	.macro xchal_cp4_load	p a b c d continue=0 ofs=-1 select=-1 ; .endm
+	.macro xchal_cp5_store	p a b c d continue=0 ofs=-1 select=-1 ; .endm
+	.macro xchal_cp5_load	p a b c d continue=0 ofs=-1 select=-1 ; .endm
+	.macro xchal_cp7_store	p a b c d continue=0 ofs=-1 select=-1 ; .endm
+	.macro xchal_cp7_load	p a b c d continue=0 ofs=-1 select=-1 ; .endm
+
+#endif /*_XTENSA_CORE_TIE_ASM_H*/
+