Assembly Context Helpers

Overview

Macros to abstract XLEN (32 vs 64-bit) for inline assembly.

Note

These are used inside trap_entry to save/restore registers width-agnostically.

Macros
#define	STORE   "sw"
	Store Word (32-bit).
#define	LOAD   "lw"
	Load Word (32-bit).
#define	WORD   4
	Word size in bytes.
#define	STR1(x)
	Context Helper Only.
#define	STR(x)
	Context Helper Only.

Macro Definition Documentation

LOAD

#define LOAD   "lw"

#include <mtrap.h>

Load Word (32-bit).

Definition at line 63 of file mtrap.h.

STORE

#define STORE   "sw"

#include <mtrap.h>

Store Word (32-bit).

Definition at line 62 of file mtrap.h.

STR

#define STR

(

x

)

#include <mtrap.h>

Value:

STR1(x)

Context Helper Only.

Definition at line 68 of file mtrap.h.

STR1

#define STR1

(

x

)

#include <mtrap.h>

Value:

#x

Context Helper Only.

Definition at line 67 of file mtrap.h.

WORD

#define WORD   4

#include <mtrap.h>

Word size in bytes.

Definition at line 64 of file mtrap.h.