cop0.h

/* Copyright (C) 2011, 2012 The uOFW team
   See the file COPYING for copying permission.
*/
 
#ifndef COMMON_INCLUDED
# error "Only include common_imp.h or common_header.h!"
#endif
 
#define COP0_CTRL_EPC            0
#define COP0_CTRL_STATUS         2
#define COP0_CTRL_CAUSE          3
#define COP0_CTRL_V0             4
#define COP0_CTRL_V1             5
#define COP0_CTRL_EXC_TABLE      8
#define COP0_CTRL_NMI_HANDLER    9
#define COP0_CTRL_SC_TABLE      12
#define COP0_CTRL_IS_INTERRUPT  13
#define COP0_CTRL_SP_KERNEL     14
#define COP0_CTRL_SP_USER       15
#define COP0_CTRL_TCB           16
#define COP0_CTRL_NMI_TABLE     18
#define COP0_CTRL_23            23
#define COP0_CTRL_PROFILER_BASE 25
 
#define COP0_STATE_COUNT    9
#define COP0_STATE_COMPARE 11
#define COP0_STATE_STATUS  12
#define COP0_STATE_SCCODE  21
#define COP0_STATE_CPUID   22
 
static inline int pspCop0StateGet(int reg)
{
    int ret;
    asm("mfc0 %0, $%1" : "=r" (ret) : "ri" (reg));
    return ret;
}
 
static inline void pspCop0StateSet(int reg, int val)
{
    asm("mtc0 %0, $%1" : : "r" (val), "ri" (reg));
}
 
static inline int pspCop0CtrlGet(int reg)
{
    int ret;
    asm("cfc0 %0, $%1" : "=r" (ret) : "ri" (reg));
    return ret;
}
 
static inline void pspCop0CtrlSet(int reg, int val)
{
    asm("ctc0 %0, $%1" : : "r" (val), "ri" (reg));
}