gte-latency-lzcs.c File Reference

#include "common/hardware/cop2.h"
#include "common/syscalls/syscalls.h"
#include "exotic/cester.h"

Include dependency graph for gte-latency-lzcs.c:

Classes
struct	lzc_case_t

Macros
#define	GTE_LATENCY_LZCS_HELPERS_DEFINED
#define	MAX_N   8
#define	DRAIN   24
#define	LZC_STR_(x)   #x
#define	LZC_STR(x)   LZC_STR_(x)
#define	MK_LZC_FN(N)
#define	KSEG1(p)   ((lzc_probe_fn)(((uint32_t)(p)) | 0xa0000000u))
#define	NCASES   ((int)(sizeof(g_cases) / sizeof(g_cases[0])))
#define	CESTER_NO_SIGNAL
#define	CESTER_NO_TIME
#define	EXIT_SUCCESS   0
#define	EXIT_FAILURE   1

Typedefs
typedef uint32_t(*	lzc_probe_fn) (uint32_t, uint32_t)

Macro Definition Documentation

CESTER_NO_SIGNAL

#define CESTER_NO_SIGNAL

CESTER_NO_TIME

#define CESTER_NO_TIME

DRAIN

#define DRAIN   24

EXIT_FAILURE

#define EXIT_FAILURE   1

EXIT_SUCCESS

#define EXIT_SUCCESS   0

GTE_LATENCY_LZCS_HELPERS_DEFINED

#define GTE_LATENCY_LZCS_HELPERS_DEFINED

KSEG1

#define KSEG1

(

p

)

((lzc_probe_fn)(((uint32_t)(p)) | 0xa0000000u))

LZC_STR

#define LZC_STR

(

x

)

LZC_STR_(x)

LZC_STR_

#define LZC_STR_

(

x

)

#x

MAX_N

#define MAX_N   8

MK_LZC_FN

#define MK_LZC_FN

(

N

)

Value:

    uint32_t __attribute__((noinline))                                     \
    lzc_probe_##N(uint32_t poison, uint32_t value) {                       \
        uint32_t out;                                                      \
        __asm__ volatile(                                                  \
            ".set push\n\t"                                                \
            ".set noreorder\n\t"                                           \
            "mtc2 %1, $30\n\t"                                             \
            ".rept " LZC_STR(DRAIN) "\n\tnop\n\t.endr\n\t"                 \
            "mtc2 %2, $30\n\t"                                             \
            ".rept " #N "\n\tnop\n\t.endr\n\t"                             \
            "mfc2 %0, $31\n\t"                                             \
            "nop\n\t"                                                      \
            "nop\n\t"                                                      \
            ".set pop\n\t"                                                 \
            : "=&r"(out)                                                   \
            : "r"(poison), "r"(value));                                    \
        return out;                                                        \
    }

NCASES

#define NCASES   ((int)(sizeof(g_cases) / sizeof(g_cases[0])))

Typedef Documentation

lzc_probe_fn

typedef uint32_t(* lzc_probe_fn) (uint32_t, uint32_t)