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machine/ipcconst.h for arch-specific constants

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This commit is contained in:
Arun Thomas 2012-08-26 12:44:27 -04:00
parent e4ac80eb60
commit 9a9d555f56
6 changed files with 14 additions and 8 deletions
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2
include/arch/i386/include/Makefile
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@ -14,7 +14,7 @@ INCS= ansi.h asm.h bswap.h byte_swap.h cdefs.h \
interrupt.h memory.h multiboot.h partition.h \
pci.h pci_amd.h pci_intel.h pci_sis.h pci_via.h \
ports.h stackframe.h vm.h elf.h elf_machdep.h mutex.h \
disklabel.h
disklabel.h ipcconst.h
.include <bsd.kinc.mk>

9
include/arch/i386/include/ipcconst.h Normal file
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@ -0,0 +1,9 @@
#ifndef _I386_IPCCONST_H_
#define _I386_IPCCONST_H_
#define KERVEC 32 /* syscall trap to kernel */
#define IPCVEC 33 /* ipc trap to kernel */
#define IPC_STATUS_REG bx
#endif /* _I386_IPCCONST_H_ */

2
include/minix/ipcconst.h
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@ -1,6 +1,8 @@
#ifndef _IPC_CONST_H
#define _IPC_CONST_H
#include <machine/ipcconst.h>
/* System call numbers that are passed when trapping to the kernel. */
#define SEND 1 /* blocking send */
#define RECEIVE 2 /* blocking receive */

2
kernel/ipc.h
View file

@ -5,6 +5,7 @@
* These definitions are used in the file proc.c.
*/
#include <minix/com.h>
#include <minix/ipcconst.h>
/* Masks and flags for system calls. */
#define NON_BLOCKING 0x0080 /* do not block if target not ready */
@ -15,7 +16,6 @@
(target->p_getfrom_e == ANY || target->p_getfrom_e == source_ep))
/* IPC status code macros. */
#define IPC_STATUS_REG bx
#define IPC_STATUS_GET(p) ((p)->p_reg.IPC_STATUS_REG)
#define IPC_STATUS_CLEAR(p) ((p)->p_reg.IPC_STATUS_REG = 0)

3
lib/libc/arch/i386/sys-minix/_ipc.S
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@ -1,9 +1,6 @@
#include <minix/ipcconst.h>
#include <machine/asm.h>
IPCVEC = 33 /* ipc trap to kernel */
KERVEC = 32 /* syscall trap to kernel */
SRC_DST = 8 /* source/ destination process */
MESSAGE = 12 /* message pointer */
STATUS = 16 /* status pointer */

4
lib/libc/arch/i386/sys-minix/_senda.S
View file

@ -1,8 +1,6 @@
#include <minix/ipcconst.h>
#include <machine/asm.h>
SYSVEC = 33
MSGTAB = 8 /* message table */
TABCOUNT = 12 /* number of entries in message table */
@ -13,7 +11,7 @@ ENTRY(_senda)
movl TABCOUNT(%ebp), %eax /* eax = count */
movl MSGTAB(%ebp), %ebx /* ebx = table */
movl $SENDA, %ecx /* _senda(table, count) */
int $SYSVEC /* trap to the kernel */
int $IPCVEC /* trap to the kernel */
pop %ebx
pop %ebp
ret