# Don't include stuff already done in $(LIBS)
SUBDIRS = tools \
examples/standalone \
- api_examples
+ examples/api
.PHONY : $(SUBDIRS)
$(obj)examples/standalone/smc91111_eeprom \
$(obj)examples/standalone/test_burst \
$(obj)examples/standalone/timer
+ @rm -f $(obj)examples/api/demo{,.bin}
@rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \
$(obj)tools/env/{fw_printenv,fw_setenv} \
$(obj)tools/envcrc \
@rm -f $(obj)include/bmp_logo.h
@rm -f $(obj)nand_spl/{u-boot-spl,u-boot-spl.map,System.map}
@rm -f $(obj)onenand_ipl/onenand-{ipl,ipl.bin,ipl-2k.bin,ipl-4k.bin,ipl.map}
- @rm -f $(obj)api_examples/demo $(TIMESTAMP_FILE) $(VERSION_FILE)
+ @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
@find $(OBJTREE) -type f \
\( -name 'core' -o -name '*.bak' -o -name '*~' \
-o -name '*.o' -o -name '*.a' -o -name '*.exe' \) -print \
+++ /dev/null
-demo
-demo.bin
+++ /dev/null
-#
-# (C) Copyright 2007 Semihalf
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundatio; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-ifeq ($(ARCH),ppc)
-LOAD_ADDR = 0x40000
-endif
-ifeq ($(ARCH),arm)
-LOAD_ADDR = 0x1000000
-endif
-
-include $(TOPDIR)/config.mk
-
-# Resulting ELF and binary exectuables will be named demo and demo.bin
-OUTPUT-$(CONFIG_API) = $(obj)demo
-OUTPUT = $(OUTPUT-y)
-
-# Source files located in the api_examples directory
-SOBJ_FILES-$(CONFIG_API) += crt0.o
-COBJ_FILES-$(CONFIG_API) += demo.o
-COBJ_FILES-$(CONFIG_API) += glue.o
-COBJ_FILES-$(CONFIG_API) += libgenwrap.o
-
-# Source files which exist outside the api_examples directory
-EXT_COBJ_FILES-$(CONFIG_API) += lib_generic/crc32.o
-EXT_COBJ_FILES-$(CONFIG_API) += lib_generic/ctype.o
-EXT_COBJ_FILES-$(CONFIG_API) += lib_generic/string.o
-EXT_COBJ_FILES-$(CONFIG_API) += lib_generic/vsprintf.o
-ifeq ($(ARCH),ppc)
-EXT_SOBJ_FILES-$(CONFIG_API) += lib_ppc/ppcstring.o
-endif
-
-# Create a list of source files so their dependencies can be auto-generated
-SRCS += $(addprefix $(SRCTREE)/,$(EXT_COBJ_FILES-y:.o=.c))
-SRCS += $(addprefix $(SRCTREE)/,$(EXT_SOBJ_FILES-y:.o=.S))
-SRCS += $(addprefix $(SRCTREE)/api_examples/,$(COBJ_FILES-y:.o=.c))
-SRCS += $(addprefix $(SRCTREE)/api_examples/,$(SOBJ_FILES-y:.o=.S))
-
-# Create a list of object files to be compiled
-OBJS += $(addprefix $(obj),$(SOBJ_FILES-y))
-OBJS += $(addprefix $(obj),$(COBJ_FILES-y))
-OBJS += $(addprefix $(obj),$(notdir $(EXT_COBJ_FILES-y)))
-OBJS += $(addprefix $(obj),$(notdir $(EXT_SOBJ_FILES-y)))
-
-gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`)
-
-CPPFLAGS += -I..
-
-all: $(obj).depend $(OUTPUT)
-
-#########################################################################
-
-$(OUTPUT): $(OBJS)
- $(LD) -Ttext $(LOAD_ADDR) -o $@ $^ -L$(gcclibdir) -lgcc
- $(OBJCOPY) -O binary $@ $(OUTPUT).bin 2>/dev/null
-
-# Rule to build generic library C files
-$(obj)%.o: $(SRCTREE)/lib_generic/%.c
- $(CC) -g $(CFLAGS) -c -o $@ $<
-
-# Rule to build architecture-specific library assembly files
-$(obj)%.o: $(SRCTREE)/lib_$(ARCH)/%.S
- $(CC) -g $(CFLAGS) -c -o $@ $<
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+++ /dev/null
-/*
- * (C) Copyright 2007 Semihalf
- *
- * Written by: Rafal Jaworowski <raj@semihalf.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- */
-
-#if defined(CONFIG_PPC)
-
- .text
- .globl _start
-_start:
- lis %r11, search_hint@ha
- addi %r11, %r11, search_hint@l
- stw %r1, 0(%r11)
- b main
-
-
- .globl syscall
-syscall:
- lis %r11, syscall_ptr@ha
- addi %r11, %r11, syscall_ptr@l
- lwz %r11, 0(%r11)
- mtctr %r11
- bctr
-
-#elif defined(CONFIG_ARM)
-
- .text
- .globl _start
-_start:
- ldr ip, =search_hint
- str sp, [ip]
- b main
-
-
- .globl syscall
-syscall:
- ldr ip, =syscall_ptr
- ldr pc, [ip]
-
-#else
-#error No support for this arch!
-#endif
-
- .globl syscall_ptr
-syscall_ptr:
- .align 4
- .long 0
-
- .globl search_hint
-search_hint:
- .long 0
+++ /dev/null
-/*
- * (C) Copyright 2007-2008 Semihalf
- *
- * Written by: Rafal Jaworowski <raj@semihalf.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- */
-
-#include <common.h>
-#include <linux/types.h>
-#include <api_public.h>
-
-#include "glue.h"
-
-#define errf(fmt, args...) do { printf("ERROR @ %s(): ", __func__); printf(fmt, ##args); } while (0)
-
-#define BUF_SZ 2048
-#define WAIT_SECS 5
-
-void test_dump_buf(void *, int);
-void test_dump_di(int);
-void test_dump_si(struct sys_info *);
-void test_dump_sig(struct api_signature *);
-
-static char buf[BUF_SZ];
-
-int main(int argc, char *argv[])
-{
- int rv = 0, h, i, j, devs_no;
- struct api_signature *sig = NULL;
- ulong start, now;
- struct device_info *di;
- lbasize_t rlen;
-
- if (!api_search_sig(&sig))
- return -1;
-
- syscall_ptr = sig->syscall;
- if (syscall_ptr == NULL)
- return -2;
-
- if (sig->version > API_SIG_VERSION)
- return -3;
-
- printf("API signature found @%x\n", (unsigned int)sig);
- test_dump_sig(sig);
-
- printf("\n*** Consumer API test ***\n");
- printf("syscall ptr 0x%08x@%08x\n", (unsigned int)syscall_ptr,
- (unsigned int)&syscall_ptr);
-
- /* console activities */
- ub_putc('B');
-
- printf("*** Press any key to continue ***\n");
- printf("got char 0x%x\n", ub_getc());
-
- /* system info */
- test_dump_si(ub_get_sys_info());
-
- /* timing */
- printf("\n*** Timing - wait a couple of secs ***\n");
- start = ub_get_timer(0);
- printf("\ntime: start %lu\n\n", start);
- for (i = 0; i < WAIT_SECS; i++)
- for (j = 0; j < 1000; j++)
- ub_udelay(1000); /* wait 1 ms */
-
- /* this is the number of milliseconds that passed from ub_get_timer(0) */
- now = ub_get_timer(start);
- printf("\ntime: now %lu\n\n", now);
-
- /* enumerate devices */
- printf("\n*** Enumerate devices ***\n");
- devs_no = ub_dev_enum();
-
- printf("Number of devices found: %d\n", devs_no);
- if (devs_no == 0)
- return -1;
-
- printf("\n*** Show devices ***\n");
- for (i = 0; i < devs_no; i++) {
- test_dump_di(i);
- printf("\n");
- }
-
- printf("\n*** Operations on devices ***\n");
-
- /* test opening a device already opened */
- h = 0;
- if ((rv = ub_dev_open(h)) != 0) {
- errf("open device %d error %d\n", h, rv);
- return -1;
- }
- if ((rv = ub_dev_open(h)) != 0)
- errf("open device %d error %d\n", h, rv);
-
- ub_dev_close(h);
-
- /* test storage */
- printf("Trying storage devices...\n");
- for (i = 0; i < devs_no; i++) {
- di = ub_dev_get(i);
-
- if (di->type & DEV_TYP_STOR)
- break;
-
- }
- if (i == devs_no)
- printf("No storage devices available\n");
- else {
- memset(buf, 0, BUF_SZ);
-
- if ((rv = ub_dev_open(i)) != 0)
- errf("open device %d error %d\n", i, rv);
-
- else if ((rv = ub_dev_read(i, buf, 1, 0, &rlen)) != 0)
- errf("could not read from device %d, error %d\n", i, rv);
- else {
- printf("Sector 0 dump (512B):\n");
- test_dump_buf(buf, 512);
- }
-
- ub_dev_close(i);
- }
-
- /* test networking */
- printf("Trying network devices...\n");
- for (i = 0; i < devs_no; i++) {
- di = ub_dev_get(i);
-
- if (di->type == DEV_TYP_NET)
- break;
-
- }
- if (i == devs_no)
- printf("No network devices available\n");
- else {
- if ((rv = ub_dev_open(i)) != 0)
- errf("open device %d error %d\n", i, rv);
- else if ((rv = ub_dev_send(i, &buf, 2048)) != 0)
- errf("could not send to device %d, error %d\n", i, rv);
-
- ub_dev_close(i);
- }
-
- if (ub_dev_close(h) != 0)
- errf("could not close device %d\n", h);
-
- printf("\n*** Env vars ***\n");
-
- printf("ethact = %s\n", ub_env_get("ethact"));
- printf("old fileaddr = %s\n", ub_env_get("fileaddr"));
- ub_env_set("fileaddr", "deadbeef");
- printf("new fileaddr = %s\n", ub_env_get("fileaddr"));
-
- const char *env = NULL;
-
- while ((env = ub_env_enum(env)) != NULL)
- printf("%s = %s\n", env, ub_env_get(env));
-
- /* reset */
- printf("\n*** Resetting board ***\n");
- ub_reset();
- printf("\nHmm, reset returned...?!\n");
-
- return rv;
-}
-
-void test_dump_sig(struct api_signature *sig)
-{
- printf("signature:\n");
- printf(" version\t= %d\n", sig->version);
- printf(" checksum\t= 0x%08x\n", sig->checksum);
- printf(" sc entry\t= 0x%08x\n", (unsigned int)sig->syscall);
-}
-
-void test_dump_si(struct sys_info *si)
-{
- int i;
-
- printf("sys info:\n");
- printf(" clkbus\t= 0x%08x\n", (unsigned int)si->clk_bus);
- printf(" clkcpu\t= 0x%08x\n", (unsigned int)si->clk_cpu);
- printf(" bar\t\t= 0x%08x\n", (unsigned int)si->bar);
-
- printf("---\n");
- for (i = 0; i < si->mr_no; i++) {
- if (si->mr[i].flags == 0)
- break;
-
- printf(" start\t= 0x%08lx\n", si->mr[i].start);
- printf(" size\t= 0x%08lx\n", si->mr[i].size);
-
- switch(si->mr[i].flags & 0x000F) {
- case MR_ATTR_FLASH:
- printf(" type FLASH\n");
- break;
- case MR_ATTR_DRAM:
- printf(" type DRAM\n");
- break;
- case MR_ATTR_SRAM:
- printf(" type SRAM\n");
- break;
- default:
- printf(" type UNKNOWN\n");
- }
- printf("---\n");
- }
-}
-
-static char *test_stor_typ(int type)
-{
- if (type & DT_STOR_IDE)
- return "IDE";
-
- if (type & DT_STOR_MMC)
- return "MMC";
-
- if (type & DT_STOR_SATA)
- return "SATA";
-
- if (type & DT_STOR_SCSI)
- return "SCSI";
-
- if (type & DT_STOR_USB)
- return "USB";
-
- return "Unknown";
-}
-
-void test_dump_buf(void *buf, int len)
-{
- int i;
- int line_counter = 0;
- int sep_flag = 0;
- int addr = 0;
-
- printf("%07x:\t", addr);
-
- for (i = 0; i < len; i++) {
- if (line_counter++ > 15) {
- line_counter = 0;
- sep_flag = 0;
- addr += 16;
- i--;
- printf("\n%07x:\t", addr);
- continue;
- }
-
- if (sep_flag++ > 1) {
- sep_flag = 1;
- printf(" ");
- }
-
- printf("%02x", *((char *)buf++));
- }
-
- printf("\n");
-}
-
-void test_dump_di(int handle)
-{
- int i;
- struct device_info *di = ub_dev_get(handle);
-
- printf("device info (%d):\n", handle);
- printf(" cookie\t= 0x%08x\n", (uint32_t)di->cookie);
- printf(" type\t\t= 0x%08x\n", di->type);
-
- if (di->type == DEV_TYP_NET) {
- printf(" hwaddr\t= ");
- for (i = 0; i < 6; i++)
- printf("%02x ", di->di_net.hwaddr[i]);
-
- printf("\n");
-
- } else if (di->type & DEV_TYP_STOR) {
- printf(" type\t\t= %s\n", test_stor_typ(di->type));
- printf(" blk size\t\t= %d\n", (unsigned int)di->di_stor.block_size);
- printf(" blk count\t\t= %d\n", (unsigned int)di->di_stor.block_count);
- }
-}
+++ /dev/null
-/*
- * (C) Copyright 2007-2008 Semihalf, Rafal Jaworowski <raj@semihalf.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- */
-
-#include <common.h>
-#include <linux/types.h>
-#include <api_public.h>
-
-#include "glue.h"
-
-static int valid_sig(struct api_signature *sig)
-{
- uint32_t checksum;
- struct api_signature s;
-
- if (sig == NULL)
- return 0;
- /*
- * Clear the checksum field (in the local copy) so as to calculate the
- * CRC with the same initial contents as at the time when the sig was
- * produced
- */
- s = *sig;
- s.checksum = 0;
-
- checksum = crc32(0, (unsigned char *)&s, sizeof(struct api_signature));
-
- if (checksum != sig->checksum)
- return 0;
-
- return 1;
-}
-
-/*
- * Searches for the U-Boot API signature
- *
- * returns 1/0 depending on found/not found result
- */
-int api_search_sig(struct api_signature **sig)
-{
- unsigned char *sp;
- uint32_t search_start = 0;
- uint32_t search_end = 0;
-
- if (sig == NULL)
- return 0;
-
- if (search_hint == 0)
- search_hint = 255 * 1024 * 1024;
-
- search_start = search_hint & ~0x000fffff;
- search_end = search_start + API_SEARCH_LEN - API_SIG_MAGLEN;
-
- sp = (unsigned char *)search_start;
- while ((sp + API_SIG_MAGLEN) < (unsigned char *)search_end) {
- if (!memcmp(sp, API_SIG_MAGIC, API_SIG_MAGLEN)) {
- *sig = (struct api_signature *)sp;
- if (valid_sig(*sig))
- return 1;
- }
- sp += API_SIG_MAGLEN;
- }
-
- *sig = NULL;
- return 0;
-}
-
-/****************************************
- *
- * console
- *
- ****************************************/
-
-int ub_getc(void)
-{
- int c;
-
- if (!syscall(API_GETC, NULL, (uint32_t)&c))
- return -1;
-
- return c;
-}
-
-int ub_tstc(void)
-{
- int t;
-
- if (!syscall(API_TSTC, NULL, (uint32_t)&t))
- return -1;
-
- return t;
-}
-
-void ub_putc(char c)
-{
- syscall(API_PUTC, NULL, (uint32_t)&c);
-}
-
-void ub_puts(const char *s)
-{
- syscall(API_PUTS, NULL, (uint32_t)s);
-}
-
-/****************************************
- *
- * system
- *
- ****************************************/
-
-void ub_reset(void)
-{
- syscall(API_RESET, NULL);
-}
-
-static struct mem_region mr[UB_MAX_MR];
-static struct sys_info si;
-
-struct sys_info * ub_get_sys_info(void)
-{
- int err = 0;
-
- memset(&si, 0, sizeof(struct sys_info));
- si.mr = mr;
- si.mr_no = UB_MAX_MR;
- memset(&mr, 0, sizeof(mr));
-
- if (!syscall(API_GET_SYS_INFO, &err, (u_int32_t)&si))
- return NULL;
-
- return ((err) ? NULL : &si);
-}
-
-/****************************************
- *
- * timing
- *
- ****************************************/
-
-void ub_udelay(unsigned long usec)
-{
- syscall(API_UDELAY, NULL, &usec);
-}
-
-unsigned long ub_get_timer(unsigned long base)
-{
- unsigned long cur;
-
- if (!syscall(API_GET_TIMER, NULL, &cur, &base))
- return 0;
-
- return cur;
-}
-
-
-/****************************************************************************
- *
- * devices
- *
- * Devices are identified by handles: numbers 0, 1, 2, ..., UB_MAX_DEV-1
- *
- ***************************************************************************/
-
-static struct device_info devices[UB_MAX_DEV];
-
-struct device_info * ub_dev_get(int i)
-{
- return ((i < 0 || i >= UB_MAX_DEV) ? NULL : &devices[i]);
-}
-
-/*
- * Enumerates the devices: fills out device_info elements in the devices[]
- * array.
- *
- * returns: number of devices found
- */
-int ub_dev_enum(void)
-{
- struct device_info *di;
- int n = 0;
-
- memset(&devices, 0, sizeof(struct device_info) * UB_MAX_DEV);
- di = &devices[0];
-
- if (!syscall(API_DEV_ENUM, NULL, di))
- return 0;
-
- while (di->cookie != NULL) {
-
- if (++n >= UB_MAX_DEV)
- break;
-
- /* take another device_info */
- di++;
-
- /* pass on the previous cookie */
- di->cookie = devices[n - 1].cookie;
-
- if (!syscall(API_DEV_ENUM, NULL, di))
- return 0;
- }
-
- return n;
-}
-
-/*
- * handle: 0-based id of the device
- *
- * returns: 0 when OK, err otherwise
- */
-int ub_dev_open(int handle)
-{
- struct device_info *di;
- int err = 0;
-
- if (handle < 0 || handle >= UB_MAX_DEV)
- return API_EINVAL;
-
- di = &devices[handle];
-
- if (!syscall(API_DEV_OPEN, &err, di))
- return -1;
-
- return err;
-}
-
-int ub_dev_close(int handle)
-{
- struct device_info *di;
-
- if (handle < 0 || handle >= UB_MAX_DEV)
- return API_EINVAL;
-
- di = &devices[handle];
- if (!syscall(API_DEV_CLOSE, NULL, di))
- return -1;
-
- return 0;
-}
-
-/*
- *
- * Validates device for read/write, it has to:
- *
- * - have sane handle
- * - be opened
- *
- * returns: 0/1 accordingly
- */
-static int dev_valid(int handle)
-{
- if (handle < 0 || handle >= UB_MAX_DEV)
- return 0;
-
- if (devices[handle].state != DEV_STA_OPEN)
- return 0;
-
- return 1;
-}
-
-static int dev_stor_valid(int handle)
-{
- if (!dev_valid(handle))
- return 0;
-
- if (!(devices[handle].type & DEV_TYP_STOR))
- return 0;
-
- return 1;
-}
-
-int ub_dev_read(int handle, void *buf, lbasize_t len, lbastart_t start,
- lbasize_t *rlen)
-{
- struct device_info *di;
- lbasize_t act_len;
- int err = 0;
-
- if (!dev_stor_valid(handle))
- return API_ENODEV;
-
- di = &devices[handle];
- if (!syscall(API_DEV_READ, &err, di, buf, &len, &start, &act_len))
- return API_ESYSC;
-
- if (!err && rlen)
- *rlen = act_len;
-
- return err;
-}
-
-static int dev_net_valid(int handle)
-{
- if (!dev_valid(handle))
- return 0;
-
- if (devices[handle].type != DEV_TYP_NET)
- return 0;
-
- return 1;
-}
-
-int ub_dev_recv(int handle, void *buf, int len, int *rlen)
-{
- struct device_info *di;
- int err = 0, act_len;
-
- if (!dev_net_valid(handle))
- return API_ENODEV;
-
- di = &devices[handle];
- if (!syscall(API_DEV_READ, &err, di, buf, &len, &act_len))
- return API_ESYSC;
-
- if (!err && rlen)
- *rlen = act_len;
-
- return (err);
-}
-
-int ub_dev_send(int handle, void *buf, int len)
-{
- struct device_info *di;
- int err = 0;
-
- if (!dev_net_valid(handle))
- return API_ENODEV;
-
- di = &devices[handle];
- if (!syscall(API_DEV_WRITE, &err, di, buf, &len))
- return API_ESYSC;
-
- return err;
-}
-
-/****************************************
- *
- * env vars
- *
- ****************************************/
-
-char * ub_env_get(const char *name)
-{
- char *value;
-
- if (!syscall(API_ENV_GET, NULL, (uint32_t)name, (uint32_t)&value))
- return NULL;
-
- return value;
-}
-
-void ub_env_set(const char *name, char *value)
-{
- syscall(API_ENV_SET, NULL, (uint32_t)name, (uint32_t)value);
-}
-
-static char env_name[256];
-
-const char * ub_env_enum(const char *last)
-{
- const char *env, *str;
- int i;
-
- env = NULL;
-
- /*
- * It's OK to pass only the name piece as last (and not the whole
- * 'name=val' string), since the API_ENUM_ENV call uses envmatch()
- * internally, which handles such case
- */
- if (!syscall(API_ENV_ENUM, NULL, (uint32_t)last, (uint32_t)&env))
- return NULL;
-
- if (!env)
- /* no more env. variables to enumerate */
- return NULL;
-
- /* next enumerated env var */
- memset(env_name, 0, 256);
- for (i = 0, str = env; *str != '=' && *str != '\0';)
- env_name[i++] = *str++;
-
- env_name[i] = '\0';
-
- return env_name;
-}
+++ /dev/null
-/*
- * (C) Copyright 2007 Semihalf
- *
- * Written by: Rafal Jaworowski <raj@semihalf.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- */
-
-/*
- * This is the header file for conveniency wrapper routines (API glue)
- */
-
-#ifndef _API_GLUE_H_
-#define _API_GLUE_H_
-
-#define API_SEARCH_LEN (3 * 1024 * 1024) /* 3MB search range */
-
-#define UB_MAX_MR 5 /* max mem regions number */
-#define UB_MAX_DEV 6 /* max devices number */
-
-extern void *syscall_ptr;
-extern uint32_t search_hint;
-
-int syscall(int, int *, ...);
-int api_search_sig(struct api_signature **sig);
-
-/*
- * The ub_ library calls are part of the application, not U-Boot code! They
- * are front-end wrappers that are used by the consumer application: they
- * prepare arguments for particular syscall and jump to the low level
- * syscall()
- */
-
-/* console */
-int ub_getc(void);
-int ub_tstc(void);
-void ub_putc(char c);
-void ub_puts(const char *s);
-
-/* system */
-void ub_reset(void);
-struct sys_info * ub_get_sys_info(void);
-
-/* time */
-void ub_udelay(unsigned long);
-unsigned long ub_get_timer(unsigned long);
-
-/* env vars */
-char * ub_env_get(const char *name);
-void ub_env_set(const char *name, char *value);
-const char * ub_env_enum(const char *last);
-
-/* devices */
-int ub_dev_enum(void);
-int ub_dev_open(int handle);
-int ub_dev_close(int handle);
-int ub_dev_read(int handle, void *buf, lbasize_t len,
- lbastart_t start, lbasize_t *rlen);
-int ub_dev_send(int handle, void *buf, int len);
-int ub_dev_recv(int handle, void *buf, int len, int *rlen);
-struct device_info * ub_dev_get(int);
-
-#endif /* _API_GLUE_H_ */
+++ /dev/null
-/*
- * (C) Copyright 2007 Semihalf
- *
- * Written by: Rafal Jaworowski <raj@semihalf.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- *
- * This is is a set of wrappers/stubs that allow to use certain routines from
- * U-Boot's lib_generic in the standalone app. This way way we can re-use
- * existing code e.g. operations on strings and similar.
- *
- */
-
-#include <common.h>
-#include <linux/types.h>
-#include <api_public.h>
-
-#include "glue.h"
-
-/*
- * printf() and vprintf() are stolen from u-boot/common/console.c
- */
-void printf (const char *fmt, ...)
-{
- va_list args;
- uint i;
- char printbuffer[256];
-
- va_start (args, fmt);
-
- /* For this to work, printbuffer must be larger than
- * anything we ever want to print.
- */
- i = vsprintf (printbuffer, fmt, args);
- va_end (args);
-
- /* Print the string */
- ub_puts (printbuffer);
-}
-
-void vprintf (const char *fmt, va_list args)
-{
- uint i;
- char printbuffer[256];
-
- /* For this to work, printbuffer must be larger than
- * anything we ever want to print.
- */
- i = vsprintf (printbuffer, fmt, args);
-
- /* Print the string */
- ub_puts (printbuffer);
-}
-
-void putc (const char c)
-{
- ub_putc(c);
-}
-
-void udelay(unsigned long usec)
-{
- ub_udelay(usec);
-}
-
-void do_reset (void)
-{
- ub_reset();
-}
-
-void *malloc (size_t len)
-{
- return NULL;
-}
-
-void hang (void)
-{
- while (1) ;
-}
--- /dev/null
+demo
+demo.bin
--- /dev/null
+#
+# (C) Copyright 2007 Semihalf
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundatio; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+ifeq ($(ARCH),ppc)
+LOAD_ADDR = 0x40000
+endif
+ifeq ($(ARCH),arm)
+LOAD_ADDR = 0x1000000
+endif
+
+include $(TOPDIR)/config.mk
+
+# Resulting ELF and binary exectuables will be named demo and demo.bin
+OUTPUT-$(CONFIG_API) = $(obj)demo
+OUTPUT = $(OUTPUT-y)
+
+# Source files located in the examples/api directory
+SOBJ_FILES-$(CONFIG_API) += crt0.o
+COBJ_FILES-$(CONFIG_API) += demo.o
+COBJ_FILES-$(CONFIG_API) += glue.o
+COBJ_FILES-$(CONFIG_API) += libgenwrap.o
+
+# Source files which exist outside the examples/api directory
+EXT_COBJ_FILES-$(CONFIG_API) += lib_generic/crc32.o
+EXT_COBJ_FILES-$(CONFIG_API) += lib_generic/ctype.o
+EXT_COBJ_FILES-$(CONFIG_API) += lib_generic/string.o
+EXT_COBJ_FILES-$(CONFIG_API) += lib_generic/vsprintf.o
+ifeq ($(ARCH),ppc)
+EXT_SOBJ_FILES-$(CONFIG_API) += lib_ppc/ppcstring.o
+endif
+
+# Create a list of source files so their dependencies can be auto-generated
+SRCS += $(addprefix $(SRCTREE)/,$(EXT_COBJ_FILES-y:.o=.c))
+SRCS += $(addprefix $(SRCTREE)/,$(EXT_SOBJ_FILES-y:.o=.S))
+SRCS += $(addprefix $(SRCTREE)/examples/api/,$(COBJ_FILES-y:.o=.c))
+SRCS += $(addprefix $(SRCTREE)/examples/api/,$(SOBJ_FILES-y:.o=.S))
+
+# Create a list of object files to be compiled
+OBJS += $(addprefix $(obj),$(SOBJ_FILES-y))
+OBJS += $(addprefix $(obj),$(COBJ_FILES-y))
+OBJS += $(addprefix $(obj),$(notdir $(EXT_COBJ_FILES-y)))
+OBJS += $(addprefix $(obj),$(notdir $(EXT_SOBJ_FILES-y)))
+
+gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`)
+
+CPPFLAGS += -I..
+
+all: $(obj).depend $(OUTPUT)
+
+#########################################################################
+
+$(OUTPUT): $(OBJS)
+ $(LD) -Ttext $(LOAD_ADDR) -o $@ $^ -L$(gcclibdir) -lgcc
+ $(OBJCOPY) -O binary $@ $(OUTPUT).bin 2>/dev/null
+
+# Rule to build generic library C files
+$(obj)%.o: $(SRCTREE)/lib_generic/%.c
+ $(CC) -g $(CFLAGS) -c -o $@ $<
+
+# Rule to build architecture-specific library assembly files
+$(obj)%.o: $(SRCTREE)/lib_$(ARCH)/%.S
+ $(CC) -g $(CFLAGS) -c -o $@ $<
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+/*
+ * (C) Copyright 2007 Semihalf
+ *
+ * Written by: Rafal Jaworowski <raj@semihalf.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#if defined(CONFIG_PPC)
+
+ .text
+ .globl _start
+_start:
+ lis %r11, search_hint@ha
+ addi %r11, %r11, search_hint@l
+ stw %r1, 0(%r11)
+ b main
+
+
+ .globl syscall
+syscall:
+ lis %r11, syscall_ptr@ha
+ addi %r11, %r11, syscall_ptr@l
+ lwz %r11, 0(%r11)
+ mtctr %r11
+ bctr
+
+#elif defined(CONFIG_ARM)
+
+ .text
+ .globl _start
+_start:
+ ldr ip, =search_hint
+ str sp, [ip]
+ b main
+
+
+ .globl syscall
+syscall:
+ ldr ip, =syscall_ptr
+ ldr pc, [ip]
+
+#else
+#error No support for this arch!
+#endif
+
+ .globl syscall_ptr
+syscall_ptr:
+ .align 4
+ .long 0
+
+ .globl search_hint
+search_hint:
+ .long 0
--- /dev/null
+/*
+ * (C) Copyright 2007-2008 Semihalf
+ *
+ * Written by: Rafal Jaworowski <raj@semihalf.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#include <linux/types.h>
+#include <api_public.h>
+
+#include "glue.h"
+
+#define errf(fmt, args...) do { printf("ERROR @ %s(): ", __func__); printf(fmt, ##args); } while (0)
+
+#define BUF_SZ 2048
+#define WAIT_SECS 5
+
+void test_dump_buf(void *, int);
+void test_dump_di(int);
+void test_dump_si(struct sys_info *);
+void test_dump_sig(struct api_signature *);
+
+static char buf[BUF_SZ];
+
+int main(int argc, char *argv[])
+{
+ int rv = 0, h, i, j, devs_no;
+ struct api_signature *sig = NULL;
+ ulong start, now;
+ struct device_info *di;
+ lbasize_t rlen;
+
+ if (!api_search_sig(&sig))
+ return -1;
+
+ syscall_ptr = sig->syscall;
+ if (syscall_ptr == NULL)
+ return -2;
+
+ if (sig->version > API_SIG_VERSION)
+ return -3;
+
+ printf("API signature found @%x\n", (unsigned int)sig);
+ test_dump_sig(sig);
+
+ printf("\n*** Consumer API test ***\n");
+ printf("syscall ptr 0x%08x@%08x\n", (unsigned int)syscall_ptr,
+ (unsigned int)&syscall_ptr);
+
+ /* console activities */
+ ub_putc('B');
+
+ printf("*** Press any key to continue ***\n");
+ printf("got char 0x%x\n", ub_getc());
+
+ /* system info */
+ test_dump_si(ub_get_sys_info());
+
+ /* timing */
+ printf("\n*** Timing - wait a couple of secs ***\n");
+ start = ub_get_timer(0);
+ printf("\ntime: start %lu\n\n", start);
+ for (i = 0; i < WAIT_SECS; i++)
+ for (j = 0; j < 1000; j++)
+ ub_udelay(1000); /* wait 1 ms */
+
+ /* this is the number of milliseconds that passed from ub_get_timer(0) */
+ now = ub_get_timer(start);
+ printf("\ntime: now %lu\n\n", now);
+
+ /* enumerate devices */
+ printf("\n*** Enumerate devices ***\n");
+ devs_no = ub_dev_enum();
+
+ printf("Number of devices found: %d\n", devs_no);
+ if (devs_no == 0)
+ return -1;
+
+ printf("\n*** Show devices ***\n");
+ for (i = 0; i < devs_no; i++) {
+ test_dump_di(i);
+ printf("\n");
+ }
+
+ printf("\n*** Operations on devices ***\n");
+
+ /* test opening a device already opened */
+ h = 0;
+ if ((rv = ub_dev_open(h)) != 0) {
+ errf("open device %d error %d\n", h, rv);
+ return -1;
+ }
+ if ((rv = ub_dev_open(h)) != 0)
+ errf("open device %d error %d\n", h, rv);
+
+ ub_dev_close(h);
+
+ /* test storage */
+ printf("Trying storage devices...\n");
+ for (i = 0; i < devs_no; i++) {
+ di = ub_dev_get(i);
+
+ if (di->type & DEV_TYP_STOR)
+ break;
+
+ }
+ if (i == devs_no)
+ printf("No storage devices available\n");
+ else {
+ memset(buf, 0, BUF_SZ);
+
+ if ((rv = ub_dev_open(i)) != 0)
+ errf("open device %d error %d\n", i, rv);
+
+ else if ((rv = ub_dev_read(i, buf, 1, 0, &rlen)) != 0)
+ errf("could not read from device %d, error %d\n", i, rv);
+ else {
+ printf("Sector 0 dump (512B):\n");
+ test_dump_buf(buf, 512);
+ }
+
+ ub_dev_close(i);
+ }
+
+ /* test networking */
+ printf("Trying network devices...\n");
+ for (i = 0; i < devs_no; i++) {
+ di = ub_dev_get(i);
+
+ if (di->type == DEV_TYP_NET)
+ break;
+
+ }
+ if (i == devs_no)
+ printf("No network devices available\n");
+ else {
+ if ((rv = ub_dev_open(i)) != 0)
+ errf("open device %d error %d\n", i, rv);
+ else if ((rv = ub_dev_send(i, &buf, 2048)) != 0)
+ errf("could not send to device %d, error %d\n", i, rv);
+
+ ub_dev_close(i);
+ }
+
+ if (ub_dev_close(h) != 0)
+ errf("could not close device %d\n", h);
+
+ printf("\n*** Env vars ***\n");
+
+ printf("ethact = %s\n", ub_env_get("ethact"));
+ printf("old fileaddr = %s\n", ub_env_get("fileaddr"));
+ ub_env_set("fileaddr", "deadbeef");
+ printf("new fileaddr = %s\n", ub_env_get("fileaddr"));
+
+ const char *env = NULL;
+
+ while ((env = ub_env_enum(env)) != NULL)
+ printf("%s = %s\n", env, ub_env_get(env));
+
+ /* reset */
+ printf("\n*** Resetting board ***\n");
+ ub_reset();
+ printf("\nHmm, reset returned...?!\n");
+
+ return rv;
+}
+
+void test_dump_sig(struct api_signature *sig)
+{
+ printf("signature:\n");
+ printf(" version\t= %d\n", sig->version);
+ printf(" checksum\t= 0x%08x\n", sig->checksum);
+ printf(" sc entry\t= 0x%08x\n", (unsigned int)sig->syscall);
+}
+
+void test_dump_si(struct sys_info *si)
+{
+ int i;
+
+ printf("sys info:\n");
+ printf(" clkbus\t= 0x%08x\n", (unsigned int)si->clk_bus);
+ printf(" clkcpu\t= 0x%08x\n", (unsigned int)si->clk_cpu);
+ printf(" bar\t\t= 0x%08x\n", (unsigned int)si->bar);
+
+ printf("---\n");
+ for (i = 0; i < si->mr_no; i++) {
+ if (si->mr[i].flags == 0)
+ break;
+
+ printf(" start\t= 0x%08lx\n", si->mr[i].start);
+ printf(" size\t= 0x%08lx\n", si->mr[i].size);
+
+ switch(si->mr[i].flags & 0x000F) {
+ case MR_ATTR_FLASH:
+ printf(" type FLASH\n");
+ break;
+ case MR_ATTR_DRAM:
+ printf(" type DRAM\n");
+ break;
+ case MR_ATTR_SRAM:
+ printf(" type SRAM\n");
+ break;
+ default:
+ printf(" type UNKNOWN\n");
+ }
+ printf("---\n");
+ }
+}
+
+static char *test_stor_typ(int type)
+{
+ if (type & DT_STOR_IDE)
+ return "IDE";
+
+ if (type & DT_STOR_MMC)
+ return "MMC";
+
+ if (type & DT_STOR_SATA)
+ return "SATA";
+
+ if (type & DT_STOR_SCSI)
+ return "SCSI";
+
+ if (type & DT_STOR_USB)
+ return "USB";
+
+ return "Unknown";
+}
+
+void test_dump_buf(void *buf, int len)
+{
+ int i;
+ int line_counter = 0;
+ int sep_flag = 0;
+ int addr = 0;
+
+ printf("%07x:\t", addr);
+
+ for (i = 0; i < len; i++) {
+ if (line_counter++ > 15) {
+ line_counter = 0;
+ sep_flag = 0;
+ addr += 16;
+ i--;
+ printf("\n%07x:\t", addr);
+ continue;
+ }
+
+ if (sep_flag++ > 1) {
+ sep_flag = 1;
+ printf(" ");
+ }
+
+ printf("%02x", *((char *)buf++));
+ }
+
+ printf("\n");
+}
+
+void test_dump_di(int handle)
+{
+ int i;
+ struct device_info *di = ub_dev_get(handle);
+
+ printf("device info (%d):\n", handle);
+ printf(" cookie\t= 0x%08x\n", (uint32_t)di->cookie);
+ printf(" type\t\t= 0x%08x\n", di->type);
+
+ if (di->type == DEV_TYP_NET) {
+ printf(" hwaddr\t= ");
+ for (i = 0; i < 6; i++)
+ printf("%02x ", di->di_net.hwaddr[i]);
+
+ printf("\n");
+
+ } else if (di->type & DEV_TYP_STOR) {
+ printf(" type\t\t= %s\n", test_stor_typ(di->type));
+ printf(" blk size\t\t= %d\n", (unsigned int)di->di_stor.block_size);
+ printf(" blk count\t\t= %d\n", (unsigned int)di->di_stor.block_count);
+ }
+}
--- /dev/null
+/*
+ * (C) Copyright 2007-2008 Semihalf, Rafal Jaworowski <raj@semihalf.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#include <linux/types.h>
+#include <api_public.h>
+
+#include "glue.h"
+
+static int valid_sig(struct api_signature *sig)
+{
+ uint32_t checksum;
+ struct api_signature s;
+
+ if (sig == NULL)
+ return 0;
+ /*
+ * Clear the checksum field (in the local copy) so as to calculate the
+ * CRC with the same initial contents as at the time when the sig was
+ * produced
+ */
+ s = *sig;
+ s.checksum = 0;
+
+ checksum = crc32(0, (unsigned char *)&s, sizeof(struct api_signature));
+
+ if (checksum != sig->checksum)
+ return 0;
+
+ return 1;
+}
+
+/*
+ * Searches for the U-Boot API signature
+ *
+ * returns 1/0 depending on found/not found result
+ */
+int api_search_sig(struct api_signature **sig)
+{
+ unsigned char *sp;
+ uint32_t search_start = 0;
+ uint32_t search_end = 0;
+
+ if (sig == NULL)
+ return 0;
+
+ if (search_hint == 0)
+ search_hint = 255 * 1024 * 1024;
+
+ search_start = search_hint & ~0x000fffff;
+ search_end = search_start + API_SEARCH_LEN - API_SIG_MAGLEN;
+
+ sp = (unsigned char *)search_start;
+ while ((sp + API_SIG_MAGLEN) < (unsigned char *)search_end) {
+ if (!memcmp(sp, API_SIG_MAGIC, API_SIG_MAGLEN)) {
+ *sig = (struct api_signature *)sp;
+ if (valid_sig(*sig))
+ return 1;
+ }
+ sp += API_SIG_MAGLEN;
+ }
+
+ *sig = NULL;
+ return 0;
+}
+
+/****************************************
+ *
+ * console
+ *
+ ****************************************/
+
+int ub_getc(void)
+{
+ int c;
+
+ if (!syscall(API_GETC, NULL, (uint32_t)&c))
+ return -1;
+
+ return c;
+}
+
+int ub_tstc(void)
+{
+ int t;
+
+ if (!syscall(API_TSTC, NULL, (uint32_t)&t))
+ return -1;
+
+ return t;
+}
+
+void ub_putc(char c)
+{
+ syscall(API_PUTC, NULL, (uint32_t)&c);
+}
+
+void ub_puts(const char *s)
+{
+ syscall(API_PUTS, NULL, (uint32_t)s);
+}
+
+/****************************************
+ *
+ * system
+ *
+ ****************************************/
+
+void ub_reset(void)
+{
+ syscall(API_RESET, NULL);
+}
+
+static struct mem_region mr[UB_MAX_MR];
+static struct sys_info si;
+
+struct sys_info * ub_get_sys_info(void)
+{
+ int err = 0;
+
+ memset(&si, 0, sizeof(struct sys_info));
+ si.mr = mr;
+ si.mr_no = UB_MAX_MR;
+ memset(&mr, 0, sizeof(mr));
+
+ if (!syscall(API_GET_SYS_INFO, &err, (u_int32_t)&si))
+ return NULL;
+
+ return ((err) ? NULL : &si);
+}
+
+/****************************************
+ *
+ * timing
+ *
+ ****************************************/
+
+void ub_udelay(unsigned long usec)
+{
+ syscall(API_UDELAY, NULL, &usec);
+}
+
+unsigned long ub_get_timer(unsigned long base)
+{
+ unsigned long cur;
+
+ if (!syscall(API_GET_TIMER, NULL, &cur, &base))
+ return 0;
+
+ return cur;
+}
+
+
+/****************************************************************************
+ *
+ * devices
+ *
+ * Devices are identified by handles: numbers 0, 1, 2, ..., UB_MAX_DEV-1
+ *
+ ***************************************************************************/
+
+static struct device_info devices[UB_MAX_DEV];
+
+struct device_info * ub_dev_get(int i)
+{
+ return ((i < 0 || i >= UB_MAX_DEV) ? NULL : &devices[i]);
+}
+
+/*
+ * Enumerates the devices: fills out device_info elements in the devices[]
+ * array.
+ *
+ * returns: number of devices found
+ */
+int ub_dev_enum(void)
+{
+ struct device_info *di;
+ int n = 0;
+
+ memset(&devices, 0, sizeof(struct device_info) * UB_MAX_DEV);
+ di = &devices[0];
+
+ if (!syscall(API_DEV_ENUM, NULL, di))
+ return 0;
+
+ while (di->cookie != NULL) {
+
+ if (++n >= UB_MAX_DEV)
+ break;
+
+ /* take another device_info */
+ di++;
+
+ /* pass on the previous cookie */
+ di->cookie = devices[n - 1].cookie;
+
+ if (!syscall(API_DEV_ENUM, NULL, di))
+ return 0;
+ }
+
+ return n;
+}
+
+/*
+ * handle: 0-based id of the device
+ *
+ * returns: 0 when OK, err otherwise
+ */
+int ub_dev_open(int handle)
+{
+ struct device_info *di;
+ int err = 0;
+
+ if (handle < 0 || handle >= UB_MAX_DEV)
+ return API_EINVAL;
+
+ di = &devices[handle];
+
+ if (!syscall(API_DEV_OPEN, &err, di))
+ return -1;
+
+ return err;
+}
+
+int ub_dev_close(int handle)
+{
+ struct device_info *di;
+
+ if (handle < 0 || handle >= UB_MAX_DEV)
+ return API_EINVAL;
+
+ di = &devices[handle];
+ if (!syscall(API_DEV_CLOSE, NULL, di))
+ return -1;
+
+ return 0;
+}
+
+/*
+ *
+ * Validates device for read/write, it has to:
+ *
+ * - have sane handle
+ * - be opened
+ *
+ * returns: 0/1 accordingly
+ */
+static int dev_valid(int handle)
+{
+ if (handle < 0 || handle >= UB_MAX_DEV)
+ return 0;
+
+ if (devices[handle].state != DEV_STA_OPEN)
+ return 0;
+
+ return 1;
+}
+
+static int dev_stor_valid(int handle)
+{
+ if (!dev_valid(handle))
+ return 0;
+
+ if (!(devices[handle].type & DEV_TYP_STOR))
+ return 0;
+
+ return 1;
+}
+
+int ub_dev_read(int handle, void *buf, lbasize_t len, lbastart_t start,
+ lbasize_t *rlen)
+{
+ struct device_info *di;
+ lbasize_t act_len;
+ int err = 0;
+
+ if (!dev_stor_valid(handle))
+ return API_ENODEV;
+
+ di = &devices[handle];
+ if (!syscall(API_DEV_READ, &err, di, buf, &len, &start, &act_len))
+ return API_ESYSC;
+
+ if (!err && rlen)
+ *rlen = act_len;
+
+ return err;
+}
+
+static int dev_net_valid(int handle)
+{
+ if (!dev_valid(handle))
+ return 0;
+
+ if (devices[handle].type != DEV_TYP_NET)
+ return 0;
+
+ return 1;
+}
+
+int ub_dev_recv(int handle, void *buf, int len, int *rlen)
+{
+ struct device_info *di;
+ int err = 0, act_len;
+
+ if (!dev_net_valid(handle))
+ return API_ENODEV;
+
+ di = &devices[handle];
+ if (!syscall(API_DEV_READ, &err, di, buf, &len, &act_len))
+ return API_ESYSC;
+
+ if (!err && rlen)
+ *rlen = act_len;
+
+ return (err);
+}
+
+int ub_dev_send(int handle, void *buf, int len)
+{
+ struct device_info *di;
+ int err = 0;
+
+ if (!dev_net_valid(handle))
+ return API_ENODEV;
+
+ di = &devices[handle];
+ if (!syscall(API_DEV_WRITE, &err, di, buf, &len))
+ return API_ESYSC;
+
+ return err;
+}
+
+/****************************************
+ *
+ * env vars
+ *
+ ****************************************/
+
+char * ub_env_get(const char *name)
+{
+ char *value;
+
+ if (!syscall(API_ENV_GET, NULL, (uint32_t)name, (uint32_t)&value))
+ return NULL;
+
+ return value;
+}
+
+void ub_env_set(const char *name, char *value)
+{
+ syscall(API_ENV_SET, NULL, (uint32_t)name, (uint32_t)value);
+}
+
+static char env_name[256];
+
+const char * ub_env_enum(const char *last)
+{
+ const char *env, *str;
+ int i;
+
+ env = NULL;
+
+ /*
+ * It's OK to pass only the name piece as last (and not the whole
+ * 'name=val' string), since the API_ENUM_ENV call uses envmatch()
+ * internally, which handles such case
+ */
+ if (!syscall(API_ENV_ENUM, NULL, (uint32_t)last, (uint32_t)&env))
+ return NULL;
+
+ if (!env)
+ /* no more env. variables to enumerate */
+ return NULL;
+
+ /* next enumerated env var */
+ memset(env_name, 0, 256);
+ for (i = 0, str = env; *str != '=' && *str != '\0';)
+ env_name[i++] = *str++;
+
+ env_name[i] = '\0';
+
+ return env_name;
+}
--- /dev/null
+/*
+ * (C) Copyright 2007 Semihalf
+ *
+ * Written by: Rafal Jaworowski <raj@semihalf.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+/*
+ * This is the header file for conveniency wrapper routines (API glue)
+ */
+
+#ifndef _API_GLUE_H_
+#define _API_GLUE_H_
+
+#define API_SEARCH_LEN (3 * 1024 * 1024) /* 3MB search range */
+
+#define UB_MAX_MR 5 /* max mem regions number */
+#define UB_MAX_DEV 6 /* max devices number */
+
+extern void *syscall_ptr;
+extern uint32_t search_hint;
+
+int syscall(int, int *, ...);
+int api_search_sig(struct api_signature **sig);
+
+/*
+ * The ub_ library calls are part of the application, not U-Boot code! They
+ * are front-end wrappers that are used by the consumer application: they
+ * prepare arguments for particular syscall and jump to the low level
+ * syscall()
+ */
+
+/* console */
+int ub_getc(void);
+int ub_tstc(void);
+void ub_putc(char c);
+void ub_puts(const char *s);
+
+/* system */
+void ub_reset(void);
+struct sys_info * ub_get_sys_info(void);
+
+/* time */
+void ub_udelay(unsigned long);
+unsigned long ub_get_timer(unsigned long);
+
+/* env vars */
+char * ub_env_get(const char *name);
+void ub_env_set(const char *name, char *value);
+const char * ub_env_enum(const char *last);
+
+/* devices */
+int ub_dev_enum(void);
+int ub_dev_open(int handle);
+int ub_dev_close(int handle);
+int ub_dev_read(int handle, void *buf, lbasize_t len,
+ lbastart_t start, lbasize_t *rlen);
+int ub_dev_send(int handle, void *buf, int len);
+int ub_dev_recv(int handle, void *buf, int len, int *rlen);
+struct device_info * ub_dev_get(int);
+
+#endif /* _API_GLUE_H_ */
--- /dev/null
+/*
+ * (C) Copyright 2007 Semihalf
+ *
+ * Written by: Rafal Jaworowski <raj@semihalf.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ *
+ * This is is a set of wrappers/stubs that allow to use certain routines from
+ * U-Boot's lib_generic in the standalone app. This way way we can re-use
+ * existing code e.g. operations on strings and similar.
+ *
+ */
+
+#include <common.h>
+#include <linux/types.h>
+#include <api_public.h>
+
+#include "glue.h"
+
+/*
+ * printf() and vprintf() are stolen from u-boot/common/console.c
+ */
+void printf (const char *fmt, ...)
+{
+ va_list args;
+ uint i;
+ char printbuffer[256];
+
+ va_start (args, fmt);
+
+ /* For this to work, printbuffer must be larger than
+ * anything we ever want to print.
+ */
+ i = vsprintf (printbuffer, fmt, args);
+ va_end (args);
+
+ /* Print the string */
+ ub_puts (printbuffer);
+}
+
+void vprintf (const char *fmt, va_list args)
+{
+ uint i;
+ char printbuffer[256];
+
+ /* For this to work, printbuffer must be larger than
+ * anything we ever want to print.
+ */
+ i = vsprintf (printbuffer, fmt, args);
+
+ /* Print the string */
+ ub_puts (printbuffer);
+}
+
+void putc (const char c)
+{
+ ub_putc(c);
+}
+
+void udelay(unsigned long usec)
+{
+ ub_udelay(usec);
+}
+
+void do_reset (void)
+{
+ ub_reset();
+}
+
+void *malloc (size_t len)
+{
+ return NULL;
+}
+
+void hang (void)
+{
+ while (1) ;
+}
projects / oweals / u-boot.git / commitdiff