Move pc assembly code to emul dir.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@1390 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/bertos/emul/switch.S b/bertos/emul/switch.S
new file mode 100644 (file)
index 0000000..93d9b7c
--- /dev/null
+++ b/bertos/emul/switch.S
@@ -0,0 +1,8 @@
+#if defined(__i386__)
+       #include "switch_i386.s"
+#elif defined(__x86_64__)
+       #include "switch_x86_64.s"
+#else
+       #error Unknown CPU
+#endif
+

diff --git a/bertos/emul/switch_i386.s b/bertos/emul/switch_i386.s
new file mode 100644 (file)
index 0000000..6931d45
--- /dev/null
+++ b/bertos/emul/switch_i386.s
@@ -0,0 +1,44 @@
+/*!
+ * \file
+ * <!--
+ * Copyright 2004 Develer S.r.l. (http://www.develer.com/)
+ * Copyright 1999,2000,2001 Bernardo Innocenti <bernie@develer.com>
+ * This file is part of DevLib - See devlib/README for information.
+ * -->
+ *
+ * \brief i386 context switch
+ *
+ * \version $Id$
+ *
+ * \author Bernardo Innocenti <bernie@develer.com>
+ */
+
+/* void asm_switch_context(void ** new_sp, void ** save_sp) */
+.globl asm_switch_context
+asm_switch_context:
+       pushl   %eax
+       pushl   %ebx
+       pushl   %ecx
+       pushl   %edx
+       pushl   %esi
+       pushl   %edi
+       pushl   %ebp
+       movl    0x24(%esp),%ebp         /* ebp = save_sp */
+       movl    %esp,(%ebp)             /* *save_sp = esp */
+       movl    0x20(%esp),%ebp         /* ebp = new_sp */
+       movl    (%ebp),%esp             /* esp = *new_sp */
+       popl    %ebp
+       popl    %edi
+       popl    %esi
+       popl    %edx
+       popl    %ecx
+       popl    %ebx
+       popl    %eax
+       ret
+
+/* int asm_switch_version(void) */
+.globl asm_switch_version
+asm_switch_version:
+       mov     $1,%eax
+       ret
+

diff --git a/bertos/emul/switch_win32.s b/bertos/emul/switch_win32.s
new file mode 100644 (file)
index 0000000..5891ae9
--- /dev/null
+++ b/bertos/emul/switch_win32.s
@@ -0,0 +1,58 @@
+/*!
+ * \file
+ * <!--
+ * Copyright 2004 Develer S.r.l. (http://www.develer.com/)
+ * Copyright 1999,2000,2001 Bernardo Innocenti <bernie@develer.com>
+ * This file is part of DevLib - See devlib/README for information.
+ * -->
+ *
+ * \brief i386 context switch for WIN32
+ *
+ * \version $Id$
+ *
+ * \author Bernardo Innocenti <bernie@develer.com>
+ */
+
+!!!!!! THIS FILE HAS NOT BEEN REVISED FOR THE NEW SCHEDULER API !!!!!!
+
+__declspec(naked) void AsmSwitchContext(void * new_sp, void ** save_sp)
+{
+       __asm
+       {
+               push    eax
+               push    ebx
+               push    ecx
+               push    edx
+               push    esi
+               push    edi
+               push    ebp
+               mov             ebp,dword ptr [esp+24h] ; ebp <- save_sp
+               mov             dword ptr [ebp],esp             ; *save_sp = esp
+               mov             esp,dword ptr [esp+20h] ; new_sp
+               pop             ebp
+               pop             edi
+               pop             esi
+               pop             edx
+               pop             ecx
+               pop             ebx
+               pop             eax
+               ret
+       }
+}
+
+__declspec(naked) void AsmReplaceContext(void * new_sp, void ** dummy)
+{
+       __asm
+       {
+               mov             esp,dword ptr [esp + 4] ; new_sp
+               pop             ebp
+               pop             edi
+               pop             esi
+               pop             edx
+               pop             ecx
+               pop             ebx
+               pop             eax
+               ret
+       }
+}
+

diff --git a/bertos/emul/switch_x86_64.s b/bertos/emul/switch_x86_64.s
new file mode 100644 (file)
index 0000000..5fb4da6
--- /dev/null
+++ b/bertos/emul/switch_x86_64.s
@@ -0,0 +1,71 @@
+/*!
+ * \file
+ * <!--
+ * Copyright 2004 Develer S.r.l. (http://www.develer.com/)
+ * Copyright 1999,2000,2001 Bernardo Innocenti <bernie@develer.com>
+ * This file is part of DevLib - See devlib/README for information.
+ * -->
+ *
+ * \brief i386 context switch
+ *
+ * \version $Id$
+ *
+ * \author Bernardo Innocenti <bernie@develer.com>
+ */
+
+/*
+ * $Log$
+ * Revision 1.4  2006/09/20 14:02:49  marco
+ * C-style comment.
+ *
+ * Revision 1.3  2006/02/24 01:35:40  bernie
+ * Update for new emulator.
+ *
+ * Revision 1.2  2006/02/24 01:17:05  bernie
+ * Update for new emulator.
+ *
+ * Revision 1.1  2005/11/27 03:06:15  bernie
+ * Add x86_64 task switching (to be updated to new-style scheduler).
+ *
+ * Revision 1.1  2005/11/14 21:06:38  bernie
+ * Add x86_64 support.
+ *
+ * Revision 1.2  2004/06/06 16:14:12  bernie
+ * Add DevLib license information.
+ *
+ * Revision 1.1  2004/05/23 17:27:00  bernie
+ * Import kern/ subdirectory.
+ *
+ */
+
+/* I know it's ugly... */
+/* .intel_syntax */
+
+/* void AsmSwitchContext(void **new_sp, void **save_sp) */
+/*                       %rdi           %rsi            */
+.globl asm_switch_context
+asm_switch_context:
+       pushq   %rax
+       pushq   %rbx
+       pushq   %rcx
+       pushq   %rdx
+       pushq   %rsi
+       pushq   %rdi
+       pushq   %rbp
+       movq    %rsp,(%rsi)             /* *save_sp = rsp */
+       movq    (%rdi),%rsp             /* rsp = *new_sp */
+       popq    %rbp
+       popq    %rdi
+       popq    %rsi
+       popq    %rdx
+       popq    %rcx
+       popq    %rbx
+       popq    %rax
+       ret
+
+/* int asm_switch_version(void) */
+.globl asm_switch_version
+asm_switch_version:
+       mov     $1,%rax
+       ret
+