riscv64: Fill in more bulk architecture items around libroot/kernel

Change-Id: Ia2a86d8814d06950ea2d2d19d966c642d26f81d6
Reviewed-on: https://review.haiku-os.org/c/1302
Reviewed-by: Alex von Gluck IV <[email protected]>
Reviewed-by: Adrien Destugues <[email protected]>

headers/private/system/arch/riscv64/arch_cpu_defs.h

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2018-2019, Haiku, Inc. All rights reserved
+ * Distributed under the terms of the MIT License.
+ * 
+ * Authors:
+ * 	Alexander von Gluck IV <[email protected]>
+ */
+#ifndef _SYSTEM_ARCH_RISCV64_DEFS_H
+#define _SYSTEM_ARCH_RISCV64_DEFS_H
+
+
+#define SPINLOCK_PAUSE()	do {} while (false)
+
+// Status register flags
+#define ARCH_SR_SIE		0x00000002 // Supervisor Interrupt Enable
+#define ARCH_SR_SPIE		0x00000020 // Previous Supervisor Interrupt En
+#define ARCH_SR_SPP		0x00000100 // Previously Supervisor
+#define ARCH_SR_SUM		0x00040000 // Supervisor may access user memory
+
+#define ARCH_SR_FS		0x00006000 // Floating Point Status
+#define ARCH_SR_FS_OFF		0x00000000
+#define ARCH_SR_FS_INITIAL	0x00002000
+#define ARCH_SR_FS_CLEAN	0x00004000
+#define ARCH_SR_FS_DIRTY	0x00006000
+
+#define ARCH_SR_XS		0x00018000 // Extension Status
+#define ARCH_SR_XS_OFF		0x00000000
+#define ARCH_SR_XS_INITIAL	0x00008000
+#define ARCH_SR_XS_CLEAN	0x00010000
+#define ARCH_SR_XS_DIRTY	0x00018000
+
+#define ARCH_SR_SD		0x8000000000000000 // FS/XS dirty
+
+// Interrupt Enable and Interrupt Pending
+#define ARCH_SIE_SSIE		0x00000002 // Software Interrupt Enable
+#define ARCH_SIE_STIE		0x00000020 // Timer Interrupt Enable
+#define ARCH_SIE_SEIE		0x00000200 // External Interrupt Enable
+
+
+#endif	/* _SYSTEM_ARCH_RISCV64_DEFS_H */
+

headers/private/system/arch/riscv64/asm_defs.h

@@ -0,0 +1,19 @@
+/*
+ * Copyright 2008, François Revol, [email protected].
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef SYSTEM_ARCH_RISCV64_ASM_DEFS_H
+#define SYSTEM_ARCH_RISCV64_ASM_DEFS_H
+
+
+/* include arch version helpers */
+//#include <arch_riscv64_version.h>
+
+#define SYMBOL(name)			.global name; name
+#define SYMBOL_END(name)		1: .size name, 1b - name
+#define STATIC_FUNCTION(name)	.type name, %function; name
+#define FUNCTION(name)			.global name; .type name, %function; name
+#define FUNCTION_END(name)		1: .size name, 1b - name
+
+
+#endif	/* SYSTEM_ARCH_RISCV64_ASM_DEFS_H */