- added

git-svn-id: http://moon:8086/svn/mips@75 a8ebac50-d88d-4704-bea3-6648445a41b3
2017-01-12 15:12:09 +00:00
parent b1250358e1
commit 0f4b7e015f
2 changed files with 246 additions and 0 deletions
@@ -0,0 +1,150 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+#include "cop0.h"
+
+// ---------------------------------------------------------------------------------
+// MIPS specific
+// ---------------------------------------------------------------------------------
+uint32_t CP0_SR_read(void)
+{
+	uint32_t result;
+
+	__asm__
+	(
+		"mfc0   %[val], $12\n"
+		: [val] "=r" (result)
+	);
+
+	return result;
+}
+
+void CP0_SR_write(uint32_t val)
+{
+	__asm__
+	(
+		"mtc0   %[val], $12\n"
+		: /* no output */
+		: [val] "r" (val)
+	);
+}
+
+uint32_t CP0_CR_read(void)
+{
+	uint32_t result;
+
+	__asm__
+	(
+		"mfc0   %[val], $13\n"
+		: [val] "=r" (result)
+	);
+
+	return result;
+}
+
+void CP0_CR_write(uint32_t val)
+{
+	__asm__
+	(
+		"mtc0   %[val], $13\n"
+		:
+		: [val] "r" (val)
+	);
+}
+
+uint32_t CP0_TR_read(void)
+{
+	uint32_t result;
+
+	__asm__
+	(
+		"mfc0   %[val], $31\n"
+		: [val] "=r" (result)
+	);
+
+	return result;
+}
+
+void CP0_TR_write(uint32_t val)
+{
+	__asm__
+	(
+		"mtc0   %[val], $31\n"
+		:
+		: [val] "r" (val)
+	);
+}
+
+uint32_t CP0_PRID_read(void)
+{
+	uint32_t result;
+
+	__asm__
+	(
+		"mfc0   %[val], $15\n"
+		: [val] "=r" (result)
+	);
+
+	return result;
+}
+
+void CP0_TR_write_ptr(uint32_t* pPtr)
+{
+	__asm__
+	(
+		"swc0   $31, 0(%[pPtr])\n"
+		:
+		: [pPtr] "r" (pPtr)
+	);
+}
+
+void CP0_TR_read_ptr(uint32_t* pPtr)
+{
+	__asm__
+	(
+		"lwc0   $31, 0(%[pPtr])\n"
+		:
+		: [pPtr] "r" (pPtr)
+	);
+}
+
+void ICACHE_invalidate_all(void)
+{
+	__asm__
+	(
+		"cop0	32\n"
+	);
+}
+
+void ICACHE_invalidate_at(uint32_t* pPtr)
+{
+	__asm__
+	(
+		"mtc0   %[pPtr], $31\n"
+		"cop0	33\n"
+		:
+		: [pPtr] "r" (pPtr)
+	);
+}
+
+void DCACHE_invalidate_all(void)
+{
+	__asm__
+	(
+		"cop0	34\n"
+	);
+}
+
+void DCACHE_invalidate_at(uint32_t* pPtr)
+{
+	__asm__
+	(
+		"mtc0   %[pPtr], $31\n"
+		"cop0	35\n"
+		:
+		: [pPtr] "r" (pPtr)
+	);
+}