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[ORBIS] Added nbio implementation for orbis

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psxdev 2019-01-03 11:18:36 +01:00 committed by Francisco José García García
parent d0d49aa581
commit 63d61b05ca
4 changed files with 300 additions and 0 deletions
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1
Makefile.common
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@ -196,6 +196,7 @@ OBJ += frontend/frontend.o \
$(LIBRETRO_COMM_DIR)/file/nbio/nbio_linux.o \
$(LIBRETRO_COMM_DIR)/file/nbio/nbio_unixmmap.o \
$(LIBRETRO_COMM_DIR)/file/nbio/nbio_windowsmmap.o \
$(LIBRETRO_COMM_DIR)/file/nbio/nbio_orbis.o \
$(LIBRETRO_COMM_DIR)/file/nbio/nbio_intf.o \
$(LIBRETRO_COMM_DIR)/file/file_path.o \
file_path_special.o \

1
griffin/griffin.c
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@ -927,6 +927,7 @@ FILE
#include "../libretro-common/file/nbio/nbio_linux.c"
#include "../libretro-common/file/nbio/nbio_unixmmap.c"
#include "../libretro-common/file/nbio/nbio_windowsmmap.c"
#include "../libretro-common/file/nbio/nbio_orbis.c"
#include "../libretro-common/file/nbio/nbio_intf.c"
/*============================================================

3
libretro-common/file/nbio/nbio_intf.c
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@ -32,6 +32,7 @@
extern nbio_intf_t nbio_linux;
extern nbio_intf_t nbio_mmap_unix;
extern nbio_intf_t nbio_mmap_win32;
extern nbio_intf_t nbio_orbis;
extern nbio_intf_t nbio_stdio;
#if defined(_linux__)
@ -40,6 +41,8 @@ static nbio_intf_t *internal_nbio = &nbio_linux;
static nbio_intf_t *internal_nbio = &nbio_mmap_unix;
#elif defined(_WIN32) && !defined(_XBOX)
static nbio_intf_t *internal_nbio = &nbio_mmap_win32;
#elif defined(ORBIS)
static nbio_intf_t *internal_nbio = &nbio_orbis;
#else
static nbio_intf_t *internal_nbio = &nbio_stdio;
#endif

295
libretro-common/file/nbio/nbio_orbis.c Normal file
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@ -0,0 +1,295 @@
/* Copyright (C) 2010-2018 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (nbio_orbis.c).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <file/nbio.h>
#if defined(ORBIS)
#include <stdio.h>
#include <stdlib.h>
#include <orbisFile.h>
#include <unistd.h>
#include <sys/fcntl.h>
struct nbio_orbis_t
{
int fd;
void* data;
size_t progress;
size_t len;
/*
* possible values:
* NBIO_READ, NBIO_WRITE - obvious
* -1 - currently doing nothing
* -2 - the pointer was reallocated since the last operation
*/
signed char op;
unsigned int mode;
};
static void *nbio_orbis_open(const char * filename, unsigned int mode)
{
RARCH_LOG("[NBIO_ORBIS] open %s\n" , filename);
static const int o_flags[] = { O_RDONLY, O_RDWR|O_CREAT|O_TRUNC, O_RDWR, O_RDONLY, O_RDWR|O_CREAT|O_TRUNC };
void *buf = NULL;
struct nbio_orbis_t* handle = NULL;
size_t len = 0;
int fd = orbisOpen(filename, o_flags[mode], 0644);
if (fd < 0)
return NULL;
handle = (struct nbio_orbis_t*)malloc(sizeof(struct nbio_orbis_t));
if (!handle)
goto error;
handle->fd = fd;
switch (mode)
{
case NBIO_WRITE:
case BIO_WRITE:
break;
default:
len=orbisLseek(handle->fd, 0, SEEK_END);
orbisLseek(handle->fd, 0, SEEK_SET);
break;
}
handle->mode = mode;
if (len)
buf = malloc(len);
if (!buf)
{
RARCH_LOG("[NBIO_ORBIS] open error malloc %d bytes\n",len);
}
if (len && !buf)
goto error;
handle->data = buf;
handle->len = len;
handle->progress = handle->len;
handle->op = -2;
return handle;
error:
if (handle)
free(handle);
RARCH_LOG("[NBIO_ORBIS] open error closing %s\n" , filename);
orbisClose(fd);
return NULL;
}
static void nbio_orbis_begin_read(void *data)
{
struct nbio_orbis_t *handle = (struct nbio_orbis_t*)data;
if (!handle)
return;
RARCH_LOG("[NBIO_ORBIS] begin read fd=%d\n", handle->fd );
if (handle->op >= 0)
{
RARCH_LOG("[NBIO_ORBIS] ERROR - attempted file read operation while busy\n");
//abort();
return;
}
orbisLseek(handle->fd, 0, SEEK_SET);
handle->op = NBIO_READ;
handle->progress = 0;
}
static void nbio_orbis_begin_write(void *data)
{
struct nbio_orbis_t *handle = (struct nbio_orbis_t*)data;
if (!handle)
return;
RARCH_LOG("[NBIO_ORBIS] begin write fd=%d\n", handle->fd );
if (handle->op >= 0)
{
RARCH_LOG("[NBIO_ORBIS] ERROR - attempted file write operation while busy\n");
//abort();
return;
}
orbisLseek(handle->fd, 0, SEEK_SET);
handle->op = NBIO_WRITE;
handle->progress = 0;
}
static bool nbio_orbis_iterate(void *data)
{
size_t amount = 65536;
struct nbio_orbis_t *handle = (struct nbio_orbis_t*)data;
if (!handle)
return false;
RARCH_LOG("[NBIO_ORBIS] begin iterate fd=%d\n", handle->fd );
if (amount > handle->len - handle->progress)
amount = handle->len - handle->progress;
switch (handle->op)
{
case NBIO_READ:
if (handle->mode == BIO_READ)
{
amount = handle->len;
RARCH_LOG("[NBIO_ORBIS] iterate BIO_READ fd=%d readbytes=%d\n", handle->fd, orbisRead(handle->fd, (char*)handle->data, amount));
}
else
{
RARCH_LOG("[NBIO_ORBIS] iterate read fd=%d handle->progress=%d readbytes=%d\n", handle->fd, handle->progress, orbisRead(handle->fd, (char*)handle->data + handle->progress, amount));
}
break;
case NBIO_WRITE:
if (handle->mode == BIO_WRITE)
{
size_t written = 0;
amount = handle->len;
written = orbisWrite(handle->fd, (char*)handle->data, amount);
RARCH_LOG("[NBIO_ORBIS] iterate BIO_WRITE fd=%d writebytes=%d\n", handle->fd, written);
if (written != amount)
{
RARCH_LOG("[NBIO_ORBIS] iterate BIO_WRITE error fd=%d amount=%d != writebytes=%d\n", handle->fd, amount, written);
return false;
}
}
else
{
RARCH_LOG("[NBIO_ORBIS] iterate write fd=%d writebytes=%d\n", handle->fd, orbisWrite(handle->fd, (char*)handle->data + handle->progress, amount));
}
break;
}
handle->progress += amount;
RARCH_LOG("[NBIO_ORBIS] end iterate fd=%d\n", handle->fd );
if (handle->progress == handle->len)
handle->op = -1;
return (handle->op < 0);
}
static void nbio_orbis_resize(void *data, size_t len)
{
struct nbio_orbis_t *handle = (struct nbio_orbis_t*)data;
if (!handle)
return;
if (handle->op >= 0)
{
RARCH_LOG("[NBIO_ORBIS] ERROR - attempted file resize operation while busy\n");
//abort();
return;
}
if (len < handle->len)
{
RARCH_LOG("[NBIO_ORBIS] ERROR - attempted file shrink operation, not implemented");
//abort();
return;
}
handle->len = len;
handle->data = realloc(handle->data, handle->len);
handle->op = -1;
handle->progress = handle->len;
}
static void *nbio_orbis_get_ptr(void *data, size_t* len)
{
struct nbio_orbis_t *handle = (struct nbio_orbis_t*)data;
if (!handle)
return NULL;
RARCH_LOG("[NBIO_ORBIS] get pointer\n");
if (len)
*len = handle->len;
if (handle->op == -1)
return handle->data;
return NULL;
}
static void nbio_orbis_cancel(void *data)
{
struct nbio_orbis_t *handle = (struct nbio_orbis_t*)data;
if (!handle)
return;
RARCH_LOG("[NBIO_ORBIS] cancel \n");
handle->op = -1;
handle->progress = handle->len;
}
static void nbio_orbis_free(void *data)
{
struct nbio_orbis_t *handle = (struct nbio_orbis_t*)data;
if (!handle)
return;
RARCH_LOG("[NBIO_ORBIS] begin free fd=%d\n", handle->fd );
if (handle->op >= 0)
{
RARCH_LOG("[NBIO_ORBIS] ERROR - attempted free() while busy\n");
//abort();
return;
}
RARCH_LOG("[NBIO_ORBIS] free close fd=%d\n",handle->fd);
orbisClose(handle->fd);
free(handle->data);
handle->data = NULL;
free(handle);
}
nbio_intf_t nbio_orbis = {
nbio_orbis_open,
nbio_orbis_begin_read,
nbio_orbis_begin_write,
nbio_orbis_iterate,
nbio_orbis_resize,
nbio_orbis_get_ptr,
nbio_orbis_cancel,
nbio_orbis_free,
"nbio_orbis",
};
#else
nbio_intf_t nbio_orbis = {
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"nbio_orbis",
};
#endif