Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 184 insertions, 0 deletions

diff --git a/arch/mips/include/asm/asm-eva.h b/arch/mips/include/asm/asm-eva.h
new file mode 100644
index 000000000..1e38f0e1e
--- /dev/null
+++ b/arch/mips/include/asm/asm-eva.h
@@ -0,0 +1,184 @@
+/*
+ * 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) 2014 Imagination Technologies Ltd.
+ *
+ */
+
+#ifndef __ASM_ASM_EVA_H
+#define __ASM_ASM_EVA_H
+
+#ifndef __ASSEMBLY__
+
+/* Kernel variants */
+
+#define kernel_cache(op, base)		"cache " op ", " base "\n"
+#define kernel_ll(reg, addr)		"ll " reg ", " addr "\n"
+#define kernel_sc(reg, addr)		"sc " reg ", " addr "\n"
+#define kernel_lw(reg, addr)		"lw " reg ", " addr "\n"
+#define kernel_lwl(reg, addr)		"lwl " reg ", " addr "\n"
+#define kernel_lwr(reg, addr)		"lwr " reg ", " addr "\n"
+#define kernel_lh(reg, addr)		"lh " reg ", " addr "\n"
+#define kernel_lb(reg, addr)		"lb " reg ", " addr "\n"
+#define kernel_lbu(reg, addr)		"lbu " reg ", " addr "\n"
+#define kernel_sw(reg, addr)		"sw " reg ", " addr "\n"
+#define kernel_swl(reg, addr)		"swl " reg ", " addr "\n"
+#define kernel_swr(reg, addr)		"swr " reg ", " addr "\n"
+#define kernel_sh(reg, addr)		"sh " reg ", " addr "\n"
+#define kernel_sb(reg, addr)		"sb " reg ", " addr "\n"
+
+#ifdef CONFIG_32BIT
+/*
+ * No 'sd' or 'ld' instructions in 32-bit but the code will
+ * do the correct thing
+ */
+#define kernel_sd(reg, addr)		user_sw(reg, addr)
+#define kernel_ld(reg, addr)		user_lw(reg, addr)
+#else
+#define kernel_sd(reg, addr)		"sd " reg", " addr "\n"
+#define kernel_ld(reg, addr)		"ld " reg", " addr "\n"
+#endif /* CONFIG_32BIT */
+
+#ifdef CONFIG_EVA
+
+#define __BUILD_EVA_INSN(insn, reg, addr)				\
+				"	.set	push\n"			\
+				"	.set	mips0\n"		\
+				"	.set	eva\n"			\
+				"	"insn" "reg", "addr "\n"	\
+				"	.set	pop\n"
+
+#define user_cache(op, base)		__BUILD_EVA_INSN("cachee", op, base)
+#define user_ll(reg, addr)		__BUILD_EVA_INSN("lle", reg, addr)
+#define user_sc(reg, addr)		__BUILD_EVA_INSN("sce", reg, addr)
+#define user_lw(reg, addr)		__BUILD_EVA_INSN("lwe", reg, addr)
+#define user_lwl(reg, addr)		__BUILD_EVA_INSN("lwle", reg, addr)
+#define user_lwr(reg, addr)		__BUILD_EVA_INSN("lwre", reg, addr)
+#define user_lh(reg, addr)		__BUILD_EVA_INSN("lhe", reg, addr)
+#define user_lb(reg, addr)		__BUILD_EVA_INSN("lbe", reg, addr)
+#define user_lbu(reg, addr)		__BUILD_EVA_INSN("lbue", reg, addr)
+/* No 64-bit EVA instruction for loading double words */
+#define user_ld(reg, addr)		user_lw(reg, addr)
+#define user_sw(reg, addr)		__BUILD_EVA_INSN("swe", reg, addr)
+#define user_swl(reg, addr)		__BUILD_EVA_INSN("swle", reg, addr)
+#define user_swr(reg, addr)		__BUILD_EVA_INSN("swre", reg, addr)
+#define user_sh(reg, addr)		__BUILD_EVA_INSN("she", reg, addr)
+#define user_sb(reg, addr)		__BUILD_EVA_INSN("sbe", reg, addr)
+/* No 64-bit EVA instruction for storing double words */
+#define user_sd(reg, addr)		user_sw(reg, addr)
+
+#else
+
+#define user_cache(op, base)		kernel_cache(op, base)
+#define user_ll(reg, addr)		kernel_ll(reg, addr)
+#define user_sc(reg, addr)		kernel_sc(reg, addr)
+#define user_lw(reg, addr)		kernel_lw(reg, addr)
+#define user_lwl(reg, addr)		kernel_lwl(reg, addr)
+#define user_lwr(reg, addr)		kernel_lwr(reg, addr)
+#define user_lh(reg, addr)		kernel_lh(reg, addr)
+#define user_lb(reg, addr)		kernel_lb(reg, addr)
+#define user_lbu(reg, addr)		kernel_lbu(reg, addr)
+#define user_sw(reg, addr)		kernel_sw(reg, addr)
+#define user_swl(reg, addr)		kernel_swl(reg, addr)
+#define user_swr(reg, addr)		kernel_swr(reg, addr)
+#define user_sh(reg, addr)		kernel_sh(reg, addr)
+#define user_sb(reg, addr)		kernel_sb(reg, addr)
+
+#ifdef CONFIG_32BIT
+#define user_sd(reg, addr)		kernel_sw(reg, addr)
+#define user_ld(reg, addr)		kernel_lw(reg, addr)
+#else
+#define user_sd(reg, addr)		kernel_sd(reg, addr)
+#define user_ld(reg, addr)		kernel_ld(reg, addr)
+#endif /* CONFIG_32BIT */
+
+#endif /* CONFIG_EVA */
+
+#else /* __ASSEMBLY__ */
+
+#define kernel_cache(op, base)		cache op, base
+#define kernel_ll(reg, addr)		ll reg, addr
+#define kernel_sc(reg, addr)		sc reg, addr
+#define kernel_lw(reg, addr)		lw reg, addr
+#define kernel_lwl(reg, addr)		lwl reg, addr
+#define kernel_lwr(reg, addr)		lwr reg, addr
+#define kernel_lh(reg, addr)		lh reg, addr
+#define kernel_lb(reg, addr)		lb reg, addr
+#define kernel_lbu(reg, addr)		lbu reg, addr
+#define kernel_sw(reg, addr)		sw reg, addr
+#define kernel_swl(reg, addr)		swl reg, addr
+#define kernel_swr(reg, addr)		swr reg, addr
+#define kernel_sh(reg, addr)		sh reg, addr
+#define kernel_sb(reg, addr)		sb reg, addr
+
+#ifdef CONFIG_32BIT
+/*
+ * No 'sd' or 'ld' instructions in 32-bit but the code will
+ * do the correct thing
+ */
+#define kernel_sd(reg, addr)		user_sw(reg, addr)
+#define kernel_ld(reg, addr)		user_lw(reg, addr)
+#else
+#define kernel_sd(reg, addr)		sd reg, addr
+#define kernel_ld(reg, addr)		ld reg, addr
+#endif /* CONFIG_32BIT */
+
+#ifdef CONFIG_EVA
+
+#define __BUILD_EVA_INSN(insn, reg, addr)			\
+				.set	push;			\
+				.set	mips0;			\
+				.set	eva;			\
+				insn reg, addr;			\
+				.set	pop;
+
+#define user_cache(op, base)		__BUILD_EVA_INSN(cachee, op, base)
+#define user_ll(reg, addr)		__BUILD_EVA_INSN(lle, reg, addr)
+#define user_sc(reg, addr)		__BUILD_EVA_INSN(sce, reg, addr)
+#define user_lw(reg, addr)		__BUILD_EVA_INSN(lwe, reg, addr)
+#define user_lwl(reg, addr)		__BUILD_EVA_INSN(lwle, reg, addr)
+#define user_lwr(reg, addr)		__BUILD_EVA_INSN(lwre, reg, addr)
+#define user_lh(reg, addr)		__BUILD_EVA_INSN(lhe, reg, addr)
+#define user_lb(reg, addr)		__BUILD_EVA_INSN(lbe, reg, addr)
+#define user_lbu(reg, addr)		__BUILD_EVA_INSN(lbue, reg, addr)
+/* No 64-bit EVA instruction for loading double words */
+#define user_ld(reg, addr)		user_lw(reg, addr)
+#define user_sw(reg, addr)		__BUILD_EVA_INSN(swe, reg, addr)
+#define user_swl(reg, addr)		__BUILD_EVA_INSN(swle, reg, addr)
+#define user_swr(reg, addr)		__BUILD_EVA_INSN(swre, reg, addr)
+#define user_sh(reg, addr)		__BUILD_EVA_INSN(she, reg, addr)
+#define user_sb(reg, addr)		__BUILD_EVA_INSN(sbe, reg, addr)
+/* No 64-bit EVA instruction for loading double words */
+#define user_sd(reg, addr)		user_sw(reg, addr)
+#else
+
+#define user_cache(op, base)		kernel_cache(op, base)
+#define user_ll(reg, addr)		kernel_ll(reg, addr)
+#define user_sc(reg, addr)		kernel_sc(reg, addr)
+#define user_lw(reg, addr)		kernel_lw(reg, addr)
+#define user_lwl(reg, addr)		kernel_lwl(reg, addr)
+#define user_lwr(reg, addr)		kernel_lwr(reg, addr)
+#define user_lh(reg, addr)		kernel_lh(reg, addr)
+#define user_lb(reg, addr)		kernel_lb(reg, addr)
+#define user_lbu(reg, addr)		kernel_lbu(reg, addr)
+#define user_sw(reg, addr)		kernel_sw(reg, addr)
+#define user_swl(reg, addr)		kernel_swl(reg, addr)
+#define user_swr(reg, addr)		kernel_swr(reg, addr)
+#define user_sh(reg, addr)		kernel_sh(reg, addr)
+#define user_sb(reg, addr)		kernel_sb(reg, addr)
+
+#ifdef CONFIG_32BIT
+#define user_sd(reg, addr)		kernel_sw(reg, addr)
+#define user_ld(reg, addr)		kernel_lw(reg, addr)
+#else
+#define user_sd(reg, addr)		kernel_sd(reg, addr)
+#define user_ld(reg, addr)		kernel_sd(reg, addr)
+#endif /* CONFIG_32BIT */
+
+#endif /* CONFIG_EVA */
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __ASM_ASM_EVA_H */