m1n1/src/proxy.h

#ifndef __PROXY_H__
#define __PROXY_H__

#include "types.h"

typedef enum {
    P_NOP = 0x000, // System functions
    P_EXIT,
    P_CALL,
    P_GET_BOOTARGS,
    P_GET_BASE,
    P_SET_BAUD,

    P_WRITE64 = 0x100, // Generic register functions
    P_WRITE32,
    P_WRITE16,
    P_WRITE8,
    P_READ64,
    P_READ32,
    P_READ16,
    P_READ8,
    P_SET64,
    P_SET32,
    P_SET16,
    P_SET8,
    P_CLEAR64,
    P_CLEAR32,
    P_CLEAR16,
    P_CLEAR8,
    P_MASK64,
    P_MASK32,
    P_MASK16,
    P_MASK8,

    P_MEMCPY64 = 0x200, // Memory block transfer functions
    P_MEMCPY32,
    P_MEMCPY16,
    P_MEMCPY8,
    P_MEMSET64,
    P_MEMSET32,
    P_MEMSET16,
    P_MEMSET8,

    P_IC_IALLUIS = 0x300, // Cache and memory ops
    P_IC_IALLU,
    P_IC_IVAU,
    P_DC_IVAC,
    P_DC_ISW,
    P_DC_CSW,
    P_DC_CISW,
    P_DC_ZVA,
    P_DC_CVAC,
    P_DC_CVAU,
    P_DC_CIVAC,

} ProxyOp;

#define S_OK 0
#define S_BADCMD -1

typedef u64(callfunc)(u64, u64, u64, u64);

typedef struct {
    u64 opcode;
    u64 args[6];
} ProxyRequest;

typedef struct {
    u64 opcode;
    s64 status;
    u64 retval;
} ProxyReply;

int proxy_process(ProxyRequest *request, ProxyReply *reply);

#endif