From 86062740f1e8eeb4c554055cf304dc1e0e87ea43 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sun, 8 Mar 2015 13:23:20 -0400
Subject: initial commit of core port files. signed-off by Z. Gilboa; see
 copying.midipix (9cd0746c) for additional information.

---
 src/thread/nt64/__set_thread_area.c | 13 ++++++++
 src/thread/nt64/__tls_get_addr.c    |  2 ++
 src/thread/nt64/clone.c             | 62 +++++++++++++++++++++++++++++++++++++
 src/thread/nt64/pthread_detach.c    |  6 ++++
 src/thread/nt64/pthread_equal.c     |  6 ++++
 src/thread/nt64/pthread_self.c      | 10 ++++++
 src/thread/nt64/syscall_cp.s        | 29 +++++++++++++++++
 7 files changed, 128 insertions(+)
 create mode 100644 src/thread/nt64/__set_thread_area.c
 create mode 100644 src/thread/nt64/__tls_get_addr.c
 create mode 100644 src/thread/nt64/clone.c
 create mode 100644 src/thread/nt64/pthread_detach.c
 create mode 100644 src/thread/nt64/pthread_equal.c
 create mode 100644 src/thread/nt64/pthread_self.c
 create mode 100644 src/thread/nt64/syscall_cp.s

(limited to 'src/thread')

diff --git a/src/thread/nt64/__set_thread_area.c b/src/thread/nt64/__set_thread_area.c
new file mode 100644
index 0000000..c50f6c6
--- /dev/null
+++ b/src/thread/nt64/__set_thread_area.c
@@ -0,0 +1,13 @@
+#include <errno.h>
+#include "pthread_impl.h"
+
+int __set_thread_area(void * p)
+{
+	struct pthread ** ptlca;
+
+	ptlca = __psx_tlca();
+	if (!ptlca) return -ESRCH;
+
+	*ptlca = p;
+	return 0;
+}
diff --git a/src/thread/nt64/__tls_get_addr.c b/src/thread/nt64/__tls_get_addr.c
new file mode 100644
index 0000000..ad8d845
--- /dev/null
+++ b/src/thread/nt64/__tls_get_addr.c
@@ -0,0 +1,2 @@
+/* using a custom, register-based __emutls_get_address */
+typedef int dummy;
diff --git a/src/thread/nt64/clone.c b/src/thread/nt64/clone.c
new file mode 100644
index 0000000..d460855
--- /dev/null
+++ b/src/thread/nt64/clone.c
@@ -0,0 +1,62 @@
+#include <syscall.h>
+
+struct pt_regs {
+	unsigned long	r15;
+	unsigned long	r14;
+	unsigned long	r13;
+	unsigned long	r12;
+	unsigned long	rbp;
+	unsigned long	rbx;
+	unsigned long	r11;
+	unsigned long	r10;
+	unsigned long	r9;
+	unsigned long	r8;
+	unsigned long	rax;
+	unsigned long	rcx;
+	unsigned long	rdx;
+	unsigned long	rsi;
+	unsigned long	rdi;
+	unsigned long	orig_rax;
+	unsigned long	rip;
+	unsigned long	cs;
+	unsigned long	eflags;
+	unsigned long	rsp;
+	unsigned long	ss;
+};
+
+typedef long __sys_clone(
+	unsigned long	flags,
+	void *		child_stack,
+	void *		ptid,
+	void *		ctid,
+	struct pt_regs *regs);
+
+typedef int __entry_point(void *);
+
+extern unsigned long ** __syscall_vtbl;
+
+int __clone(
+	__entry_point *	fn,
+	void *		child_stack,
+	int		flags,
+	void *		arg,
+	int *		ptid,
+	void *		pthread_self_addr,
+	int *		ctid)
+{
+	struct pt_regs	regs;
+	__sys_clone *	pfn_clone;
+
+	regs.rip = (unsigned long)fn;
+	regs.rcx = (unsigned long)arg;
+	regs.rdx = (unsigned long)pthread_self_addr;
+
+	pfn_clone = (__sys_clone *)(__syscall_vtbl[SYS_clone]);
+
+	return (int)pfn_clone(
+		flags,
+		child_stack,
+		ptid,
+		ctid,
+		&regs);
+}
diff --git a/src/thread/nt64/pthread_detach.c b/src/thread/nt64/pthread_detach.c
new file mode 100644
index 0000000..85db4cb
--- /dev/null
+++ b/src/thread/nt64/pthread_detach.c
@@ -0,0 +1,6 @@
+#include "../pthread_detach.c"
+
+int __pthread_detach_impl(pthread_t t)
+{
+	return thrd_detach(t);
+}
diff --git a/src/thread/nt64/pthread_equal.c b/src/thread/nt64/pthread_equal.c
new file mode 100644
index 0000000..a8fcd79
--- /dev/null
+++ b/src/thread/nt64/pthread_equal.c
@@ -0,0 +1,6 @@
+#include "../pthread_equal.c"
+
+int __pthread_equal_impl(pthread_t a, pthread_t b)
+{
+	return thrd_equal(a,b);
+}
diff --git a/src/thread/nt64/pthread_self.c b/src/thread/nt64/pthread_self.c
new file mode 100644
index 0000000..23fbc53
--- /dev/null
+++ b/src/thread/nt64/pthread_self.c
@@ -0,0 +1,10 @@
+#include "pthread_impl.h"
+#include <threads.h>
+#include "libc.h"
+
+pthread_t pthread_self()
+{
+	return __pthread_self();
+}
+
+weak_alias(pthread_self, thrd_current);
diff --git a/src/thread/nt64/syscall_cp.s b/src/thread/nt64/syscall_cp.s
new file mode 100644
index 0000000..b8b7039
--- /dev/null
+++ b/src/thread/nt64/syscall_cp.s
@@ -0,0 +1,29 @@
+.text
+.globl	__syscall_cp_asm
+.globl	__cp_begin
+.globl	__cp_end
+
+__syscall_cp_asm:
+__cp_begin:
+	movq	(%rcx),	%rcx	/* check content of ptr */
+	test	%ecx,	%ecx
+	jnz	__cancel	/* thread is pending cancellation */
+
+	movq	%rdx,	    %rcx/* move water     */
+	movq	%r8,	    %rdx/* from one glass */
+	movq	%r9,	    %r8 /* to another     */
+	movq	0x28(%rsp), %r9
+
+	movq	0x30(%rsp),%rax
+	movq	%rax,	   0x28(%rsp)
+
+	movq	0x38(%rsp),%r10
+	movq	%r10,	   0x30(%rsp)
+
+	movq	0x40(%rsp),%r10
+	movq	%r10,	   0x38(%rsp)
+
+	jmp	__syscall
+
+__cp_end:
+	ret
-- 
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