funnyos/dev/cpuvar.h - diff

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version 1.2, 2007/11/04 22:47:16

version 1.3, 2007/11/12 13:10:19

Line 9

#define __cpu_enable_irq() do { __asm __volatile("mrs r0, cpsr\nbic r0, r0, #0x80\nmsr cpsr, r0"); } while(0);

#define __cpu_disable_irq() do { __asm __volatile("mrs r0, cpsr\norr r0, r0, #0x80\nmsr cpsr, r0"); } while(0);

* CPU capabilities.

/* TODO when CPU identification will work */

#define CPU_HAVE_ICACHE 0x00000001

#define CPU_HAVE_DCACHE 0x00000002

#define CPU_HAVE_MMU 0x00000004

struct cpu_dd {

uint32_t cpu_freq;

uint32_t cd_dummy;

char *cpu_name;

uint32_t cpu_flags;

};

#endif /* _DEV_CPUVAR_H */