add mips n32 port (ILP32 ABI for mips64)

based on patch submitted by Jaydeep Patil, with minor changes.

1 files changed, 18 insertions, 0 deletions

diff --git a/arch/mipsn32/pthread_arch.h b/arch/mipsn32/pthread_arch.h
new file mode 100644
index 00000000..e5812655
--- /dev/null
+++ b/arch/mipsn32/pthread_arch.h
@@ -0,0 +1,18 @@
+static inline struct pthread *__pthread_self()
+{
+#if __mips_isa_rev < 2
+	register char *tp __asm__("$3");
+	__asm__ __volatile__ (".word 0x7c03e83b" : "=r" (tp) );
+#else
+	char *tp;
+	__asm__ __volatile__ ("rdhwr %0, $29" : "=r" (tp) );
+#endif
+	return (pthread_t)(tp - 0x7000 - sizeof(struct pthread));
+}
+
+#define TLS_ABOVE_TP
+#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) + 0x7000)
+
+#define DTP_OFFSET 0x8000
+
+#define MC_PC pc