addrspace.h
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- /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1999 by Kaz Kojima
- *
- * Defitions for the address spaces of the SH CPUs.
- */
- #ifndef __ASM_SH_ADDRSPACE_H
- #define __ASM_SH_ADDRSPACE_H
- /* Memory segments (32bit Priviledged mode addresses) */
- #define P0SEG 0x00000000
- #define P1SEG 0x80000000
- #define P2SEG 0xa0000000
- #define P3SEG 0xc0000000
- #define P4SEG 0xe0000000
- #if defined(__sh3__)
- /* Should fill here */
- #elif defined(__SH4__)
- /* Detailed P4SEG */
- #define P4SEG_STORE_QUE (P4SEG)
- #define P4SEG_IC_ADDR 0xf0000000
- #define P4SEG_IC_DATA 0xf1000000
- #define P4SEG_ITLB_ADDR 0xf2000000
- #define P4SEG_ITLB_DATA 0xf3000000
- #define P4SEG_OC_ADDR 0xf4000000
- #define P4SEG_OC_DATA 0xf5000000
- #define P4SEG_TLB_ADDR 0xf6000000
- #define P4SEG_TLB_DATA 0xf7000000
- #define P4SEG_REG_BASE 0xff000000
- #endif
- /* Returns the privileged segment base of a given address */
- #define PXSEG(a) (((unsigned long)(a)) & 0xe0000000)
- /* Returns the physical address of a PnSEG (n=1,2) address */
- #define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff)
- /*
- * Map an address to a certain privileged segment
- */
- #define P1SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P1SEG))
- #define P2SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P2SEG))
- #define P3SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P3SEG))
- #define P4SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P4SEG))
- #endif /* __ASM_SH_ADDRSPACE_H */