diff options
author | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
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committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot-sam460ex/arch/arm/include/asm/proc-armv/domain.h | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot-sam460ex/arch/arm/include/asm/proc-armv/domain.h')
-rw-r--r-- | roms/u-boot-sam460ex/arch/arm/include/asm/proc-armv/domain.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/roms/u-boot-sam460ex/arch/arm/include/asm/proc-armv/domain.h b/roms/u-boot-sam460ex/arch/arm/include/asm/proc-armv/domain.h new file mode 100644 index 000000000..aadc83187 --- /dev/null +++ b/roms/u-boot-sam460ex/arch/arm/include/asm/proc-armv/domain.h @@ -0,0 +1,50 @@ +/* + * linux/include/asm-arm/proc-armv/domain.h + * + * Copyright (C) 1999 Russell King. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __ASM_PROC_DOMAIN_H +#define __ASM_PROC_DOMAIN_H + +/* + * Domain numbers + * + * DOMAIN_IO - domain 2 includes all IO only + * DOMAIN_KERNEL - domain 1 includes all kernel memory only + * DOMAIN_USER - domain 0 includes all user memory only + */ +#define DOMAIN_USER 0 +#define DOMAIN_KERNEL 1 +#define DOMAIN_TABLE 1 +#define DOMAIN_IO 2 + +/* + * Domain types + */ +#define DOMAIN_NOACCESS 0 +#define DOMAIN_CLIENT 1 +#define DOMAIN_MANAGER 3 + +#define domain_val(dom,type) ((type) << 2*(dom)) + +#define set_domain(x) \ + do { \ + __asm__ __volatile__( \ + "mcr p15, 0, %0, c3, c0 @ set domain" \ + : : "r" (x)); \ + } while (0) + +#define modify_domain(dom,type) \ + do { \ + unsigned int domain = current->thread.domain; \ + domain &= ~domain_val(dom, DOMAIN_MANAGER); \ + domain |= domain_val(dom, type); \ + current->thread.domain = domain; \ + set_domain(current->thread.domain); \ + } while (0) + +#endif |