ref: e391b7ec8c0dc746a70725f3fc598def0419d1e6
dir: /sys/src/libmach/j.c/
/*
* RISC-V RV64 definition
*/
#include <u.h>
#include <libc.h>
#include <bio.h>
#include "/riscv64/include/ureg.h"
#include <mach.h>
#define REGOFF(x) (u64int)(&((struct Ureg *) 0)->x)
#define REGSIZE sizeof(struct Ureg)
#define RCURMODE REGOFF(curmode)
#define FP_REG(x) (RCURMODE+8+8*(x))
#define FPREGSIZE (8*33)
Reglist riscv64reglist[] = {
{"STATUS", REGOFF(status), RINT|RRDONLY, 'Y'},
{"CAUSE", REGOFF(cause), RINT|RRDONLY, 'Y'},
{"IE", REGOFF(ie), RINT|RRDONLY, 'Y'},
{"TVAL", REGOFF(tval), RINT|RRDONLY, 'Y'},
{"CURMODE", REGOFF(curmode), RINT|RRDONLY, 'Y'},
{"PC", REGOFF(pc), RINT, 'Y'},
{"SP", REGOFF(r2), RINT, 'Y'},
{"R31", REGOFF(r31), RINT, 'Y'},
{"R30", REGOFF(r30), RINT, 'Y'},
{"R28", REGOFF(r28), RINT, 'Y'},
{"R27", REGOFF(r27), RINT, 'Y'},
{"R26", REGOFF(r26), RINT, 'Y'},
{"R25", REGOFF(r25), RINT, 'Y'},
{"R24", REGOFF(r24), RINT, 'Y'},
{"R23", REGOFF(r23), RINT, 'Y'},
{"R22", REGOFF(r22), RINT, 'Y'},
{"R21", REGOFF(r21), RINT, 'Y'},
{"R20", REGOFF(r20), RINT, 'Y'},
{"R19", REGOFF(r19), RINT, 'Y'},
{"R18", REGOFF(r18), RINT, 'Y'},
{"R17", REGOFF(r17), RINT, 'Y'},
{"R16", REGOFF(r16), RINT, 'Y'},
{"R15", REGOFF(r15), RINT, 'Y'},
{"R14", REGOFF(r14), RINT, 'Y'},
{"R13", REGOFF(r13), RINT, 'Y'},
{"R12", REGOFF(r12), RINT, 'Y'},
{"R11", REGOFF(r11), RINT, 'Y'},
{"R10", REGOFF(r10), RINT, 'Y'},
{"R9", REGOFF(r9), RINT, 'Y'},
{"R8", REGOFF(r8), RINT, 'Y'},
{"R7", REGOFF(r7), RINT, 'Y'},
{"R6", REGOFF(r6), RINT, 'Y'},
{"R5", REGOFF(r5), RINT, 'Y'},
{"R4", REGOFF(r4), RINT, 'Y'},
{"R3", REGOFF(r3), RINT, 'Y'},
{"R2", REGOFF(r2), RINT, 'Y'},
{"R1", REGOFF(r1), RINT, 'Y'},
{"F0", FP_REG(0), RFLT, 'F'},
{"F1", FP_REG(1), RFLT, 'F'},
{"F2", FP_REG(2), RFLT, 'F'},
{"F3", FP_REG(3), RFLT, 'F'},
{"F4", FP_REG(4), RFLT, 'F'},
{"F5", FP_REG(5), RFLT, 'F'},
{"F6", FP_REG(6), RFLT, 'F'},
{"F7", FP_REG(7), RFLT, 'F'},
{"F8", FP_REG(8), RFLT, 'F'},
{"F9", FP_REG(9), RFLT, 'F'},
{"F10", FP_REG(10), RFLT, 'F'},
{"F11", FP_REG(11), RFLT, 'F'},
{"F12", FP_REG(12), RFLT, 'F'},
{"F13", FP_REG(13), RFLT, 'F'},
{"F14", FP_REG(14), RFLT, 'F'},
{"F15", FP_REG(15), RFLT, 'F'},
{"F16", FP_REG(16), RFLT, 'F'},
{"F17", FP_REG(17), RFLT, 'F'},
{"F18", FP_REG(18), RFLT, 'F'},
{"F19", FP_REG(19), RFLT, 'F'},
{"F20", FP_REG(20), RFLT, 'F'},
{"F21", FP_REG(21), RFLT, 'F'},
{"F22", FP_REG(22), RFLT, 'F'},
{"F23", FP_REG(23), RFLT, 'F'},
{"F24", FP_REG(24), RFLT, 'F'},
{"F25", FP_REG(25), RFLT, 'F'},
{"F26", FP_REG(26), RFLT, 'F'},
{"F27", FP_REG(27), RFLT, 'F'},
{"F28", FP_REG(28), RFLT, 'F'},
{"F29", FP_REG(29), RFLT, 'F'},
{"F30", FP_REG(30), RFLT, 'F'},
{"F31", FP_REG(31), RFLT, 'F'},
{"FPCSR", FP_REG(32)+4, RFLT, 'X'},
{ 0 }
};
/* the machine description */
Mach mriscv64 =
{
"riscv64",
MRISCV64, /* machine type */
riscv64reglist, /* register set */
REGSIZE, /* register set size */
FPREGSIZE, /* FP register set size */
"PC", /* name of PC */
"SP", /* name of SP */
"R1", /* name of link register */
"setSB", /* static base register name */
0, /* static base register value */
0x1000, /* page size */
/* these are Sv39 values */
0xffffffc000000000ULL, /* kernel base */
0xffffffc000000000ULL, /* kernel text mask for Sv39 and above */
0x0000003fffffffffULL, /* user stack top */
2, /* quantization of pc */
8, /* szaddr */
8, /* szreg */
4, /* szfloat */
8, /* szdouble */
};