From 20fd2b6f528046334f2eba7e97ac919e3da9ce9d Mon Sep 17 00:00:00 2001
From: Ariadne Conill <ariadne@dereferenced.org>
Date: Sun, 6 Dec 2020 13:23:56 +0000
Subject: [PATCH] mips64: add freestanding port

---
 README.md                       |  2 +-
 arch/mips64/freestanding/bits.h | 47 +++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+), 1 deletion(-)
 create mode 100644 arch/mips64/freestanding/bits.h

diff --git a/README.md b/README.md
index 3badba5..d6d9894 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ Adding support for new architectures is easy, but you need to know assembly lang
 |      arm     | ✓             |         |                       |
 |     m68k     | ✓             |         | ✓                     |
 |     mips     | ✓             |         |                       |
-|    mips64    | ✓             |         |                       |
+|    mips64    | ✓             |         | ✓                     |
 |      ppc     | ✓             | ✓       |                       |
 |     ppc64    | ✓             | ✓       |                       |
 |    riscv64   | ✓             |         | ✓                     |
diff --git a/arch/mips64/freestanding/bits.h b/arch/mips64/freestanding/bits.h
new file mode 100644
index 0000000..538dcd5
--- /dev/null
+++ b/arch/mips64/freestanding/bits.h
@@ -0,0 +1,47 @@
+#ifndef LIBUCONTEXT_BITS_H
+#define LIBUCONTEXT_BITS_H
+
+typedef unsigned long long libucontext_greg_t, libucontext_gregset_t[32];
+
+typedef struct {
+	union {
+		double fp_dregs[32];
+		struct {
+			float _fp_fregs;
+			unsigned _fp_pad;
+		} fp_fregs[32];
+	} fp_r;
+} libucontext_fpregset_t;
+
+typedef struct {
+	libucontext_gregset_t gregs;
+	libucontext_fpregset_t fpregs;
+	libucontext_greg_t mdhi;
+	libucontext_greg_t hi1;
+	libucontext_greg_t hi2;
+	libucontext_greg_t hi3;
+	libucontext_greg_t mdlo;
+	libucontext_greg_t lo1;
+	libucontext_greg_t lo2;
+	libucontext_greg_t lo3;
+	libucontext_greg_t pc;
+	unsigned int fpc_csr;
+	unsigned int used_math;
+	unsigned int dsp;
+	unsigned int reserved;
+} libucontext_mcontext_t;
+
+typedef struct {
+	void *ss_sp;
+	size_t ss_size;
+	int ss_flags;
+} libucontext_stack_t;
+
+typedef struct libucontext_ucontext {
+	unsigned long uc_flags;
+	struct libucontext_ucontext *uc_link;
+	libucontext_stack_t uc_stack;
+	libucontext_mcontext_t uc_mcontext;
+} libucontext_ucontext_t;
+
+#endif