context.h

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/*******************************************************************************/
/*  © Université de Lille, The Pip Development Team (2015-2021)                */
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/*  This software is a computer program whose purpose is to run a minimal,     */
/*  hypervisor relying on proven properties such as memory isolation.          */
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/*******************************************************************************/

#ifndef DEF_CONTEXT_H_
#define DEF_CONTEXT_H_

#include <stdint.h>

typedef enum arm_ctxreg_e {
    CTX_SP  ,
    CTX_LR  ,
    CTX_R0  ,
    CTX_R1  ,
    CTX_R2  ,
    CTX_R3  ,
    CTX_R4  ,
    CTX_R5  ,
    CTX_R6  ,
    CTX_R7  ,
    CTX_R8  ,
    CTX_R9  ,
    CTX_R10 ,
    CTX_R11 ,
    CTX_R12 ,
    CTX_PC
} arm_ctxreg_t;

typedef struct gate_ctx_s
{
    uint32_t spsr;
    uint32_t reg[16];
} arm_ctx_t, gate_ctx_t;

typedef struct user_ctx_s
{
    uint32_t spsr;
    uint32_t reg[16];
    uint32_t pipflags;
    uint32_t valid;
} user_ctx_t;

#endif