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authorIan Moffett <ian@osmora.org>2023-12-16 22:01:08 -0500
committerIan Moffett <ian@osmora.org>2023-12-17 20:02:23 -0500
commita7aac6787783f3f5920aec00245141834b859d69 (patch)
treeb125604980c6acd4235c7355ad739fa8d6e9bfbf
parente9176672b79fdbdf6051c508284d16fdf2f165b1 (diff)
kernel/amd64: frame: Seperate ASM from C header
Signed-off-by: Ian Moffett <ian@osmora.org>
-rw-r--r--sys/arch/amd64/trap.S2
-rw-r--r--sys/include/arch/amd64/frame.h56
-rw-r--r--sys/include/arch/amd64/frameasm.h86
3 files changed, 88 insertions, 56 deletions
diff --git a/sys/arch/amd64/trap.S b/sys/arch/amd64/trap.S
index b63e087..46e36bb 100644
--- a/sys/arch/amd64/trap.S
+++ b/sys/arch/amd64/trap.S
@@ -27,7 +27,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
-#include <machine/frame.h>
+#include <machine/frameasm.h>
#include <machine/trap.h>
#include <sys/cdefs.h>
diff --git a/sys/include/arch/amd64/frame.h b/sys/include/arch/amd64/frame.h
index 15c4143..6d04fdf 100644
--- a/sys/include/arch/amd64/frame.h
+++ b/sys/include/arch/amd64/frame.h
@@ -56,59 +56,5 @@ struct trapframe {
uint64_t rsp;
uint64_t ss;
};
-#else
-/*
- * XXX: Before this macro is invoked,
- * you should determine if an error
- * code will be present already on the
- * stack. If not, push a null qword as
- * padding (e.g push $0).
- *
- * There *must* be a value used
- * as an error code whether that be
- * a real error code or just padding.
- *
- * Failing to do so will result in
- * undefined behaviour.
- *
- */
-.macro push_trapframe trapno
- push %r15
- push %r14
- push %r13
- push %r12
- push %r11
- push %r10
- push %r9
- push %r8
- push %rbp
- push %rdi
- push %rsi
- push %rbx
- push %rdx
- push %rcx
- push %rax
- push \trapno
-.endm
-
-.macro pop_trapframe
- add $8, %rsp /* Trapno */
- pop %rax
- pop %rcx
- pop %rdx
- pop %rbx
- pop %rsi
- pop %rdi
- pop %rbp
- pop %r8
- pop %r9
- pop %r10
- pop %r12
- pop %r13
- pop %r14
- pop %r15
- add $8, %rsp /* Pop error code */
- iretq
-.endm
-#endif /* !defined(__ASSEMBLER__) */
+#endif /* !defined(__ASSEMBLER__) */
#endif /* !_AMD64_FRAME_H_ */
diff --git a/sys/include/arch/amd64/frameasm.h b/sys/include/arch/amd64/frameasm.h
new file mode 100644
index 0000000..bf02d00
--- /dev/null
+++ b/sys/include/arch/amd64/frameasm.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2023 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _AMD64_FRAMEASM_H_
+#define _AMD64_FRAMEASM_H_
+
+/*
+ * XXX: Before this macro is invoked,
+ * you should determine if an error
+ * code will be present already on the
+ * stack. If not, push a null qword as
+ * padding (e.g push $0).
+ *
+ * There *must* be a value used
+ * as an error code whether that be
+ * a real error code or just padding.
+ *
+ * Failing to do so will result in
+ * undefined behaviour.
+ *
+ */
+.macro push_trapframe trapno
+ push %r15
+ push %r14
+ push %r13
+ push %r12
+ push %r11
+ push %r10
+ push %r9
+ push %r8
+ push %rbp
+ push %rdi
+ push %rsi
+ push %rbx
+ push %rdx
+ push %rcx
+ push %rax
+ push \trapno
+.endm
+
+.macro pop_trapframe
+ add $8, %rsp /* Trapno */
+ pop %rax
+ pop %rcx
+ pop %rdx
+ pop %rbx
+ pop %rsi
+ pop %rdi
+ pop %rbp
+ pop %r8
+ pop %r9
+ pop %r10
+ pop %r12
+ pop %r13
+ pop %r14
+ pop %r15
+ add $8, %rsp /* Pop error code */
+ iretq
+.endm
+#endif /* !_AMD64_FRAMEASM_H_ */