diff options
| -rw-r--r-- | Makefile | 10 | ||||
| -rw-r--r-- | api/Makefile | 40 | ||||
| -rw-r--r-- | api/README | 55 | ||||
| -rw-r--r-- | api/api.c | 670 | ||||
| -rw-r--r-- | api/api_net.c | 113 | ||||
| -rw-r--r-- | api/api_platform-arm.c | 60 | ||||
| -rw-r--r-- | api/api_platform-ppc.c | 79 | ||||
| -rw-r--r-- | api/api_private.h | 48 | ||||
| -rw-r--r-- | api/api_storage.c | 370 | ||||
| -rw-r--r-- | api_examples/Makefile | 103 | ||||
| -rw-r--r-- | api_examples/crt0.S | 50 | ||||
| -rw-r--r-- | api_examples/demo.c | 258 | ||||
| -rw-r--r-- | api_examples/glue.c | 405 | ||||
| -rw-r--r-- | api_examples/glue.h | 76 | ||||
| -rw-r--r-- | api_examples/libgenwrap.c | 90 | ||||
| -rw-r--r-- | common/cmd_nvedit.c | 5 | ||||
| -rw-r--r-- | common/main.c | 25 | ||||
| -rw-r--r-- | fs/fat/fat.c | 63 | ||||
| -rw-r--r-- | include/api_public.h | 102 | ||||
| -rw-r--r-- | include/common.h | 6 | ||||
| -rw-r--r-- | lib_ppc/board.c | 5 |
21 files changed, 2585 insertions, 48 deletions
@@ -243,6 +243,9 @@ LIBS += $(shell if [ -d post/board/$(BOARDDIR) ]; then echo \ "post/board/$(BOARDDIR)/libpost$(BOARD).a"; fi) LIBS += common/libcommon.a LIBS += libfdt/libfdt.a +ifeq ($(CONFIG_API),y) +LIBS += api/libapi.a +endif LIBS := $(addprefix $(obj),$(LIBS)) .PHONY : $(LIBS) @@ -255,6 +258,10 @@ PLATFORM_LIBS += -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) - SUBDIRS = tools \ examples +ifeq ($(CONFIG_API),y) +SUBDIRS += api_examples +endif + .PHONY : $(SUBDIRS) ifeq ($(CONFIG_NAND_U_BOOT),y) @@ -2755,6 +2762,7 @@ clean: rm -f $(obj)board/bf537-stamp/u-boot.lds $(obj)board/bf561-ezkit/u-boot.lds rm -f $(obj)include/bmp_logo.h rm -f $(obj)nand_spl/u-boot-spl $(obj)nand_spl/u-boot-spl.map + rm -f $(obj)api_examples/demo clobber: clean find $(OBJTREE) -type f \( -name .depend \ @@ -2768,6 +2776,8 @@ clobber: clean rm -f $(obj)tools/inca-swap-bytes $(obj)cpu/mpc824x/bedbug_603e.c rm -f $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm [ ! -d $(OBJTREE)/nand_spl ] || find $(obj)nand_spl -lname "*" -print | xargs rm -f + find $(obj)api_examples -lname "*" -print | xargs rm -f + rm -f $(obj)api_examples/demo ifeq ($(OBJTREE),$(SRCTREE)) mrproper \ diff --git a/api/Makefile b/api/Makefile new file mode 100644 index 0000000..94de3dc --- /dev/null +++ b/api/Makefile @@ -0,0 +1,40 @@ +# +# (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 +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)libapi.a + +COBJS = api.o api_net.o api_storage.o api_platform-$(ARCH).o + +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +all: $(LIB) + +$(LIB): $(obj).depend $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend diff --git a/api/README b/api/README new file mode 100644 index 0000000..c8f9c45 --- /dev/null +++ b/api/README @@ -0,0 +1,55 @@ +U-Boot machine/arch independent API for external apps +===================================================== + +1. Main assumptions + + - there is a single entry point (syscall) to the API + + - per current design the syscall is a C-callable function in the U-Boot + text, which might evolve into a real syscall using machine exception trap + once this initial version proves functional + + - the consumer app is responsible for producing appropriate context (call + number and arguments) + + - upon entry, the syscall dispatches the call to other (existing) U-Boot + functional areas like networking or storage operations + + - consumer application will recognize the API is available by searching + a specified (assumed by convention) range of address space for the + signature + + - the U-Boot integral part of the API is meant to be thin and non-intrusive, + leaving as much processing as possible on the consumer application side, + for example it doesn't keep states, but relies on hints from the app and + so on + + - optional (CONFIG_API) + + +2. Calls + + - console related (getc, putc, tstc etc.) + - system (reset, platform info) + - time (delay, current) + - env vars (enumerate all, get, set) + - devices (enumerate all, open, close, read, write); currently two classes + of devices are recognized and supported: network and storage (ide, scsi, + usb etc.) + + +3. Structure overview + + - core API, integral part of U-Boot, mandatory + - implements the single entry point (mimics UNIX syscall) + + - glue + - entry point at the consumer side, allows to make syscall, mandatory + part + + - helper conveniency wrappers so that consumer app does not have to use + the syscall directly, but in a more friendly manner (a la libc calls), + optional part + + - consumer application + - calls directly, or leverages the provided glue mid-layer diff --git a/api/api.c b/api/api.c new file mode 100644 index 0000000..10f83eb --- /dev/null +++ b/api/api.c @@ -0,0 +1,670 @@ +/* + * (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 + * + */ + +#include <config.h> + +#if defined(CONFIG_API) + +#include <command.h> +#include <common.h> +#include <malloc.h> +#include <linux/types.h> +#include <api_public.h> + +#include "api_private.h" + +#define DEBUG +#undef DEBUG + +/* U-Boot routines needed */ +extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); +extern uchar (*env_get_char)(int); +extern uchar *env_get_addr(int); + +/***************************************************************************** + * + * This is the API core. + * + * API_ functions are part of U-Boot code and constitute the lowest level + * calls: + * + * - they know what values they need as arguments + * - their direct return value pertains to the API_ "shell" itself (0 on + * success, some error code otherwise) + * - if the call returns a value it is buried within arguments + * + ****************************************************************************/ + +#ifdef DEBUG +#define debugf(fmt, args...) do { printf("%s(): ", __func__); printf(fmt, ##args); } while (0) +#else +#define debugf(fmt, args...) +#endif + +typedef int (*cfp_t)(va_list argp); + +static int calls_no; + +/* + * pseudo signature: + * + * int API_getc(int *c) + */ +static int API_getc(va_list ap) +{ + int *c; + + if ((c = (int *)va_arg(ap, u_int32_t)) == NULL) + return API_EINVAL; + + *c = getc(); + return 0; +} + +/* + * pseudo signature: + * + * int API_tstc(int *c) + */ +static int API_tstc(va_list ap) +{ + int *t; + + if ((t = (int *)va_arg(ap, u_int32_t)) == NULL) + return API_EINVAL; + + *t = tstc(); + return 0; +} + +/* + * pseudo signature: + * + * int API_putc(char *ch) + */ +static int API_putc(va_list ap) +{ + char *c; + + if ((c = (char *)va_arg(ap, u_int32_t)) == NULL) + return API_EINVAL; + + putc(*c); + return 0; +} + +/* + * pseudo signature: + * + * int API_puts(char **s) + */ +static int API_puts(va_list ap) +{ + char *s; + + if ((s = (char *)va_arg(ap, u_int32_t)) == NULL) + return API_EINVAL; + + puts(s); + return 0; +} + +/* + * pseudo signature: + * + * int API_reset(void) + */ +static int API_reset(va_list ap) +{ + do_reset(NULL, 0, 0, NULL); + + /* NOT REACHED */ + return 0; +} + +/* + * pseudo signature: + * + * int API_get_sys_info(struct sys_info *si) + * + * fill out the sys_info struct containing selected parameters about the + * machine + */ +static int API_get_sys_info(va_list ap) +{ + struct sys_info *si; + + si = (struct sys_info *)va_arg(ap, u_int32_t); + if (si == NULL) + return API_ENOMEM; + + return (platform_sys_info(si)) ? 0 : API_ENODEV; +} + +/* + * pseudo signature: + * + * int API_udelay(unsigned long *udelay) + */ +static int API_udelay(va_list ap) +{ + unsigned long *d; + + if ((d = (unsigned long *)va_arg(ap, u_int32_t)) == NULL) + return API_EINVAL; + + udelay(*d); + return 0; +} + +/* + * pseudo signature: + * + * int API_get_timer(unsigned long *current, unsigned long *base) + */ +static int API_get_timer(va_list ap) +{ + unsigned long *base, *cur; + + cur = (unsigned long *)va_arg(ap, u_int32_t); + if (cur == NULL) + return API_EINVAL; + + base = (unsigned long *)va_arg(ap, u_int32_t); + if (base == NULL) + return API_EINVAL; + + *cur = get_timer(*base); + return 0; +} + + +/***************************************************************************** + * + * pseudo signature: + * + * int API_dev_enum(struct device_info *) + * + * + * cookies uniqely identify the previously enumerated device instance and + * provide a hint for what to inspect in current enum iteration: + * + * - net: ð_device struct address from list pointed to by eth_devices + * + * - storage: block_dev_desc_t struct address from &ide_dev_desc[n], + * &scsi_dev_desc[n] and similar tables + * + ****************************************************************************/ + +static int API_dev_enum(va_list ap) +{ + struct device_info *di; + + /* arg is ptr to the device_info struct we are going to fill out */ + di = (struct device_info *)va_arg(ap, u_int32_t); + if (di == NULL) + return API_EINVAL; + + if (di->cookie == NULL) { + /* start over - clean up enumeration */ + dev_enum_reset(); /* XXX shouldn't the name contain 'stor'? */ + debugf("RESTART ENUM\n"); + + /* net device enumeration first */ + if (dev_enum_net(di)) + return 0; + } + + /* + * The hidden assumption is there can only be one active network + * device and it is identified upon enumeration (re)start, so there's + * no point in trying to find network devices in other cases than the + * (re)start and hence the 'next' device can only be storage + */ + if (!dev_enum_storage(di)) + /* make sure we mark there are no more devices */ + di->cookie = NULL; + + return 0; +} + + +static int API_dev_open(va_list ap) +{ + struct device_info *di; + int err = 0; + + /* arg is ptr to the device_info struct */ + di = (struct device_info *)va_arg(ap, u_int32_t); + if (di == NULL) + return API_EINVAL; + + /* Allow only one consumer of the device at a time */ + if (di->state == DEV_STA_OPEN) + return API_EBUSY; + + if (di->cookie == NULL) + return API_ENODEV; + + if (di->type & DEV_TYP_STOR) + err = dev_open_stor(di->cookie); + + else if (di->type & DEV_TYP_NET) + err = dev_open_net(di->cookie); + else + err = API_ENODEV; + + if (!err) + di->state = DEV_STA_OPEN; + + return err; +} + + +static int API_dev_close(va_list ap) +{ + struct device_info *di; + int err = 0; + + /* arg is ptr to the device_info struct */ + di = (struct device_info *)va_arg(ap, u_int32_t); + if (di == NULL) + return API_EINVAL; + + if (di->state == DEV_STA_CLOSED) + return 0; + + if (di->cookie == NULL) + return API_ENODEV; + + if (di->type & DEV_TYP_STOR) + err = dev_close_stor(di->cookie); + + else if (di->type & DEV_TYP_NET) + err = dev_close_net(di->cookie); + else + /* + * In case of unknown device we cannot change its state, so + * only return error code + */ + err = API_ENODEV; + + if (!err) + di->state = DEV_STA_CLOSED; + + return err; +} + + +/* + * Notice: this is for sending network packets only, as U-Boot does not + * support writing to storage at the moment (12.2007) + * + * pseudo signature: + * + * int API_dev_write( + * struct device_info *di, + * void *buf, + * int *len + * ) + * + * buf: ptr to buffer from where to get the data to send + * + * len: length of packet to be sent (in bytes) + * + */ +static int API_dev_write(va_list ap) +{ + struct device_info *di; + void *buf; + int *len; + int err = 0; + + /* 1. arg is ptr to the device_info struct */ + di = (struct device_info *)va_arg(ap, u_int32_t); + if (di == NULL) + return API_EINVAL; + + /* XXX should we check if device is open? i.e. the ->state ? */ + + if (di->cookie == NULL) + return API_ENODEV; + + /* 2. arg is ptr to buffer from where to get data to write */ + buf = (void *)va_arg(ap, u_int32_t); + if (buf == NULL) + return API_EINVAL; + + /* 3. arg is length of buffer */ + len = (int *)va_arg(ap, u_int32_t); + if (len == NULL) + return API_EINVAL; + if (*len <= 0) + return API_EINVAL; + + if (di->type & DEV_TYP_STOR) + /* + * write to storage is currently not supported by U-Boot: + * no storage device implements block_write() method + */ + return API_ENODEV; + + else if (di->type & DEV_TYP_NET) + err = dev_write_net(di->cookie, buf, *len); + else + err = API_ENODEV; + + return err; +} + + +/* + * pseudo signature: + * + * int API_dev_read( + * struct device_info *di, + * void *buf, + * size_t *len, + * unsigned long *start + * size_t *act_len + * ) + * + * buf: ptr to buffer where to put the read data + * + * len: ptr to length to be read + * - network: len of packet to read (in bytes) + * - storage: # of blocks to read (can vary in size depending on define) + * + * start: ptr to start block (only used for storage devices, ignored for + * network) + * + * act_len: ptr to where to put the len actually read + */ +static int API_dev_read(va_list ap) +{ + struct device_info *di; + void *buf; + lbasize_t *len_stor, *act_len_stor; + lbastart_t *start; + int *len_net, *act_len_net; + + /* 1. arg is ptr to the device_info struct */ + di = (struct device_info *)va_arg(ap, u_int32_t); + if (di == NULL) + return API_EINVAL; + + /* XXX should we check if device is open? i.e. the ->state ? */ + + if (di->cookie == NULL) + return API_ENODEV; + + /* 2. arg is ptr to buffer from where to put the read data */ + buf = (void *)va_arg(ap, u_int32_t); + if (buf == NULL) + return API_EINVAL; + + if (di->type & DEV_TYP_STOR) { + /* 3. arg - ptr to var with # of blocks to read */ + len_stor = (lbasize_t *)va_arg(ap, u_int32_t); + if (!len_stor) + return API_EINVAL; + if (*len_stor <= 0) + return API_EINVAL; + + /* 4. arg - ptr to var with start block */ + start = (lbastart_t *)va_arg(ap, u_int32_t); + + /* 5. arg - ptr to var where to put the len actually read */ + act_len_stor = (lbasize_t *)va_arg(ap, u_int32_t); + if (!act_len_stor) + return API_EINVAL; + + *act_len_stor = dev_read_stor(di->cookie, buf, *len_stor, *start); + + } else if (di->type & DEV_TYP_NET) { + + /* 3. arg points to the var with length of packet to read */ + len_net = (int *)va_arg(ap, u_int32_t); + if (!len_net) + return API_EINVAL; + if (*len_net <= 0) + return API_EINVAL; + + /* 4. - ptr to var where to put the len actually read */ + act_len_net = (int *)va_arg(ap, u_int32_t); + if (!act_len_net) + return API_EINVAL; + + *act_len_net = dev_read_net(di->cookie, buf, *len_net); + + } else + return API_ENODEV; + + return 0; +} + + +/* + * pseudo signature: + * + * int API_env_get(const char *name, char **value) + * + * name: ptr to name of env var + */ +static int API_env_get(va_list ap) +{ + char *name, **value; + + if ((name = (char *)va_arg(ap, u_int32_t)) == NULL) + return API_EINVAL; + if ((value = (char **)va_arg(ap, u_int32_t)) == NULL) + return API_EINVAL; + + *value = getenv(name); + + return 0; +} + +/* + * pseudo signature: + * + * int API_env_set(const char *name, const char *value) + * + * name: ptr to name of env var + * + * value: ptr to value to be set + */ +static int API_env_set(va_list ap) +{ + char *name, *value; + + if ((name = (char *)va_arg(ap, u_int32_t)) == NULL) + return API_EINVAL; + if ((value = (char *)va_arg(ap, u_int32_t)) == NULL) + return API_EINVAL; + + setenv(name, value); + + return 0; +} + +/* + * pseudo signature: + * + * int API_env_enum(const char *last, char **next) + * + * last: ptr to name of env var found in last iteration + */ +static int API_env_enum(va_list ap) +{ + int i, n; + char *last, **next; + + last = (char *)va_arg(ap, u_int32_t); + + if ((next = (char **)va_arg(ap, u_int32_t)) == NULL) + return API_EINVAL; + + if (last == NULL) + /* start over */ + *next = ((char *)env_get_addr(0)); + else { + *next = last; + + for (i = 0; env_get_char(i) != '\0'; i = n + 1) { + for (n = i; env_get_char(n) != '\0'; ++n) { + if (n >= CFG_ENV_SIZE) { + /* XXX shouldn't we set *next = NULL?? */ + return 0; + } + } + + if (envmatch((uchar *)last, i) < 0) + continue; + + /* try to get next name */ + i = n + 1; + if (env_get_char(i) == '\0') { + /* no more left */ + *next = NULL; + return 0; + } + + *next = ((char *)env_get_addr(i)); + return 0; + } + } + + return 0; +} + +static cfp_t calls_table[API_MAXCALL] = { NULL, }; + +/* + * The main syscall entry point - this is not reentrant, only one call is + * serviced until finished. + * + * e.g. syscall(1, int *, u_int32_t, u_int32_t, u_int32_t, u_int32_t); + * + * call: syscall number + * + * retval: points to the return value placeholder, this is the place the + * syscall puts its return value, if NULL the caller does not + * expect a return value + * + * ... syscall arguments (variable number) + * + * returns: 0 if the call not found, 1 if serviced + */ +int syscall(int call, int *retval, ...) +{ + va_list ap; + int rv; + + if (call < 0 || call >= calls_no || calls_table[call] == NULL) { + debugf("invalid call #%d\n", call); + return 0; + } + + if (calls_table[call] == NULL) { + debugf("syscall #%d does not have a handler\n", call); + return 0; + } + + va_start(ap, retval); + rv = calls_table[call](ap); + if (retval != NULL) + *retval = rv; + + return 1; +} + +void api_init(void) +{ + struct api_signature *sig = NULL; + + /* TODO put this into linker set one day... */ + calls_table[API_RSVD] = NULL; + calls_table[API_GETC] = &API_getc; + calls_table[API_PUTC] = &API_putc; + calls_table[API_TSTC] = &API_tstc; + calls_table[API_PUTS] = &API_puts; + calls_table[API_RESET] = &API_reset; + calls_table[API_GET_SYS_INFO] = &API_get_sys_info; + calls_table[API_UDELAY] = &API_udelay; + calls_table[API_GET_TIMER] = &API_get_timer; + calls_table[API_DEV_ENUM] = &API_dev_enum; + calls_table[API_DEV_OPEN] = &API_dev_open; + calls_table[API_DEV_CLOSE] = &API_dev_close; + calls_table[API_DEV_READ] = &API_dev_read; + calls_table[API_DEV_WRITE] = &API_dev_write; + calls_table[API_ENV_GET] = &API_env_get; + calls_table[API_ENV_SET] = &API_env_set; + calls_table[API_ENV_ENUM] = &API_env_enum; + calls_no = API_MAXCALL; + + debugf("API initialized with %d calls\n", calls_no); + + dev_stor_init(); + + /* + * Produce the signature so the API consumers can find it + */ + sig = malloc(sizeof(struct api_signature)); + if (sig == NULL) { + printf("API: could not allocate memory for the signature!\n"); + return; + } + + debugf("API sig @ 0x%08x\n", sig); + memcpy(sig->magic, API_SIG_MAGIC, 8); + sig->version = API_SIG_VERSION; + sig->syscall = &syscall; + sig->checksum = 0; + sig->checksum = crc32(0, (unsigned char *)sig, + sizeof(struct api_signature)); + debugf("syscall entry: 0x%08x\n", sig->syscall); +} + +void platform_set_mr(struct sys_info *si, unsigned long start, unsigned long size, + int flags) +{ + int i; + + if (!si->mr || !size || (flags == 0)) + return; + + /* find free slot */ + for (i = 0; i < si->mr_no; i++) + if (si->mr[i].flags == 0) { + /* insert new mem region */ + si->mr[i].start = start; + si->mr[i].size = size; + si->mr[i].flags = flags; + return; + } +} + +#endif /* CONFIG_API */ diff --git a/api/api_net.c b/api/api_net.c new file mode 100644 index 0000000..9b20a17 --- /dev/null +++ b/api/api_net.c @@ -0,0 +1,113 @@ +/* + * (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 + * + */ + +#include <config.h> + +#if defined(CONFIG_API) + +#include <common.h> +#include <net.h> +#include <linux/types.h> +#include <api_public.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define DEBUG +#undef DEBUG + +#if !defined(CONFIG_NET_MULTI) +#error "API/net is currently only available for platforms with CONFIG_NET_MULTI" +#endif + +#ifdef DEBUG +#define debugf(fmt, args...) do { printf("%s(): ", __func__); printf(fmt, ##args); } while (0) +#else +#define debugf(fmt, args...) +#endif + +#define errf(fmt, args...) do { printf("ERROR @ %s(): ", __func__); printf(fmt, ##args); } while (0) + + +static int dev_valid_net(void *cookie) +{ + return ((void *)eth_get_dev() == cookie) ? 1 : 0; +} + +int dev_open_net(void *cookie) +{ + if (!dev_valid_net(cookie)) + return API_ENODEV; + + if (eth_init(gd->bd) < 0) + return API_EIO; + + return 0; +} + +int dev_close_net(void *cookie) +{ + if (!dev_valid_net(cookie)) + return API_ENODEV; + + eth_halt(); + return 0; +} + +/* + * There can only be one active eth interface at a time - use what is + * currently set to eth_current + */ +int dev_enum_net(struct device_info *di) +{ + struct eth_device *eth_current = eth_get_dev(); + + di->type = DEV_TYP_NET; + di->cookie = (void *)eth_current; + if (di->cookie == NULL) + return 0; + + memcpy(di->di_net.hwaddr, eth_current->enetaddr, 6); + + debugf("device found, returning cookie 0x%08x\n", + (u_int32_t)di->cookie); + + return 1; +} + +int dev_write_net(void *cookie, void *buf, int len) +{ + /* XXX verify that cookie points to a valid net device??? */ + + return eth_send(buf, len); +} + +int dev_read_net(void *cookie, void *buf, int len) +{ + /* XXX verify that cookie points to a valid net device??? */ + + return eth_receive(buf, len); +} + +#endif /* CONFIG_API */ diff --git a/api/api_platform-arm.c b/api/api_platform-arm.c new file mode 100644 index 0000000..ca15ca5 --- /dev/null +++ b/api/api_platform-arm.c @@ -0,0 +1,60 @@ +/* + * (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 file contains routines that fetch data from ARM-dependent sources + * (bd_info etc.) + * + */ + +#include <config.h> + +#if defined(CONFIG_API) + +#include <linux/types.h> +#include <api_public.h> + +#include <asm/u-boot.h> +#include <asm/global_data.h> + +#include "api_private.h" + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Important notice: handling of individual fields MUST be kept in sync with + * include/asm-arm/u-boot.h and include/asm-arm/global_data.h, so any changes + * need to reflect their current state and layout of structures involved! + */ +int platform_sys_info(struct sys_info *si) +{ + int i; + + for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) + platform_set_mr(si, gd->bd->bi_dram[i].start, + gd->bd->bi_dram[i].size, MR_ATTR_DRAM); + + return 1; +} + +#endif /* CONFIG_API */ diff --git a/api/api_platform-ppc.c b/api/api_platform-ppc.c new file mode 100644 index 0000000..ca9f9a5 --- /dev/null +++ b/api/api_platform-ppc.c @@ -0,0 +1,79 @@ +/* + * (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 file contains routines that fetch data from PowerPC-dependent sources + * (bd_info etc.) + * + */ + +#include <config.h> + +#if defined(CONFIG_API) + +#include <linux/types.h> +#include <api_public.h> + +#include <asm/u-boot.h> +#include <asm/global_data.h> + +#include "api_private.h" + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Important notice: handling of individual fields MUST be kept in sync with + * include/asm-ppc/u-boot.h and include/asm-ppc/global_data.h, so any changes + * need to reflect their current state and layout of structures involved! + */ +int platform_sys_info(struct sys_info *si) +{ + si->clk_bus = gd->bus_clk; + si->clk_cpu = gd->cpu_clk; + +#if defined(CONFIG_5xx) || defined(CONFIG_8xx) || defined(CONFIG_8260) || \ + defined(CONFIG_E500) || defined(CONFIG_MPC86xx) +#define bi_bar bi_immr_base +#elif defined(CONFIG_MPC5xxx) +#define bi_bar bi_mbar_base +#elif defined(CONFIG_MPC83XX) +#define bi_bar bi_immrbar +#elif defined(CONFIG_MPC8220) +#define bi_bar bi_mbar_base +#endif + +#if defined(bi_bar) + si->bar = gd->bd->bi_bar; +#undef bi_bar +#else + si->bar = NULL; +#endif + + platform_set_mr(si, gd->bd->bi_memstart, gd->bd->bi_memsize, MR_ATTR_DRAM); + platform_set_mr(si, gd->bd->bi_flashstart, gd->bd->bi_flashsize, MR_ATTR_FLASH); + platform_set_mr(si, gd->bd->bi_sramstart, gd->bd->bi_sramsize, MR_ATTR_SRAM); + + return 1; +} + +#endif /* CONFIG_API */ diff --git a/api/api_private.h b/api/api_private.h new file mode 100644 index 0000000..94a7fc5 --- /dev/null +++ b/api/api_private.h @@ -0,0 +1,48 @@ +/* + * (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 + * + */ + +#ifndef _API_PRIVATE_H_ +#define _API_PRIVATE_H_ + +void api_init(void); +void platform_set_mr(struct sys_info *, unsigned long, unsigned long, int); +int platform_sys_info(struct sys_info *); + +void dev_enum_reset(void); +int dev_enum_storage(struct device_info *); +int dev_enum_net(struct device_info *); + +int dev_open_stor(void *); +int dev_open_net(void *); +int dev_close_stor(void *); +int dev_close_net(void *); + +lbasize_t dev_read_stor(void *, void *, lbasize_t, lbastart_t); +int dev_read_net(void *, void *, int); +int dev_write_net(void *, void *, int); + +void dev_stor_init(void); + +#endif /* _API_PRIVATE_H_ */ diff --git a/api/api_storage.c b/api/api_storage.c new file mode 100644 index 0000000..7cd4efb --- /dev/null +++ b/api/api_storage.c @@ -0,0 +1,370 @@ +/* + * (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 + * + */ + +#include <config.h> + +#if defined(CONFIG_API) + +#include <common.h> +#include <api_public.h> + +#define DEBUG +#undef DEBUG + +#ifdef DEBUG +#define debugf(fmt, args...) do { printf("%s(): ", __func__); printf(fmt, ##args); } while (0) +#else +#define debugf(fmt, args...) +#endif + +#define errf(fmt, args...) do { printf("ERROR @ %s(): ", __func__); printf(fmt, ##args); } while (0) + + +#define ENUM_IDE 0 +#define ENUM_USB 1 +#define ENUM_SCSI 2 +#define ENUM_MMC 3 +#define ENUM_MAX 4 + +struct stor_spec { + int max_dev; + int enum_started; + int enum_ended; + int type; /* "external" type: DT_STOR_{IDE,USB,etc} */ + char name[4]; +}; + +static struct stor_spec specs[ENUM_MAX] = { { 0, 0, 0, 0, "" }, }; + + +void dev_stor_init(void) +{ +#if (CONFIG_COMMANDS & CFG_CMD_IDE) + specs[ENUM_IDE].max_dev = CFG_IDE_MAXDEVICE; + specs[ENUM_IDE].enum_started = 0; + specs[ENUM_IDE].enum_ended = 0; + specs[ENUM_IDE].type = DEV_TYP_STOR | DT_STOR_IDE; + specs[ENUM_IDE].name = "ide"; +#endif +#if (CONFIG_COMMANDS & CFG_CMD_USB) + specs[ENUM_USB].max_dev = USB_MAX_STOR_DEV; + specs[ENUM_USB].enum_started = 0; + specs[ENUM_USB].enum_ended = 0; + specs[ENUM_USB].type = DEV_TYP_STOR | DT_STOR_USB; + specs[ENUM_USB].name = "usb"; +#endif +#if (CONFIG_COMMANDS & CFG_CMD_SCSI) + specs[ENUM_SCSI].max_dev = CFG_SCSI_MAX_DEVICE; + specs[ENUM_SCSI].enum_started = 0; + specs[ENUM_SCSI].enum_ended = 0; + specs[ENUM_SCSI].type = DEV_TYP_STOR | DT_STOR_SCSI; + specs[ENUM_SCSI].name = "scsi"; +#endif +} + +/* + * Finds next available device in the storage group + * + * type: storage group type - ENUM_IDE, ENUM_SCSI etc. + * + * first: if 1 the first device in the storage group is returned (if + * exists), if 0 the next available device is searched + * + * more: returns 0/1 depending if there are more devices in this group + * available (for future iterations) + * + * returns: 0/1 depending if device found in this iteration + */ +static int dev_stor_get(int type, int first, int *more, struct device_info *di) +{ + int found = 0; + *more = 0; + + int i; + + block_dev_desc_t *dd; + + if (first) { + di->cookie = (void *)get_dev(specs[type].name, 0); + found = 1; + + } else { + for (i = 0; i < specs[type].max_dev; i++) + if (di->cookie == (void *)get_dev(specs[type].name, i)) { + /* previous cookie found -- advance to the + * next device, if possible */ + + if (++i >= specs[type].max_dev) { + /* out of range, no more to enum */ + di->cookie = NULL; + break; + } + + di->cookie = (void *)get_dev(specs[type].name, i); + found = 1; + + /* provide hint if there are more devices in + * this group to enumerate */ + if ((i + 1) < specs[type].max_dev) + *more = 1; + + break; + } + } + + if (found) { + di->type = specs[type].type; + + if (di->cookie != NULL) { + dd = (block_dev_desc_t *)di->cookie; + if (dd->type == DEV_TYPE_UNKNOWN) { + debugf("device instance exists, but is not active.."); + found = 0; + } else { + di->di_stor.block_count = dd->lba; + di->di_stor.block_size = dd->blksz; + } + } + + } else + di->cookie = NULL; + + return found; +} + + +/* + * returns: ENUM_IDE, ENUM_USB etc. based on block_dev_desc_t + */ +static int dev_stor_type(block_dev_desc_t *dd) +{ + int i, j; + + for (i = ENUM_IDE; i < ENUM_MAX; i++) + for (j = 0; j < specs[i].max_dev; j++) + if (dd == get_dev(specs[i].name, j)) + return i; + + return ENUM_MAX; +} + + +/* + * returns: 0/1 whether cookie points to some device in this group + */ +static int dev_is_stor(int type, struct device_info *di) +{ + return (dev_stor_type(di->cookie) == type) ? 1 : 0; +} + + +static int dev_enum_stor(int type, struct device_info *di) +{ + int found = 0, more = 0; + + debugf("called, type %d\n", type); + + /* + * Formulae for enumerating storage devices: + * 1. if cookie (hint from previous enum call) is NULL we start again + * with enumeration, so return the first available device, done. + * + * 2. if cookie is not NULL, check if it identifies some device in + * this group: + * + * 2a. if cookie is a storage device from our group (IDE, USB etc.), + * return next available (if exists) in this group + * + * 2b. if it isn't device from our group, check if such devices were + * ever enumerated before: + * - if not, return the first available device from this group + * - else return 0 + */ + + if (di->cookie == NULL) { + + debugf("group%d - enum restart\n", type); + + /* + * 1. Enumeration (re-)started: take the first available + * device, if exists + */ + found = dev_stor_get(type, 1, &more, di); + specs[type].enum_started = 1; + + } else if (dev_is_stor(type, di)) { + + debugf("group%d - enum continued for the next device\n", type); + + if (specs[type].enum_ended) { + debugf("group%d - nothing more to enum!\n", type); + return 0; + } + + /* 2a. Attempt to take a next available device in the group */ + found = dev_stor_get(type, 0, &more, di); + + } else { + + if (specs[type].enum_ended) { + debugf("group %d - already enumerated, skipping\n", type); + return 0; + } + + debugf("group%d - first time enum\n", type); + + if (specs[type].enum_started == 0) { + /* + * 2b. If enumerating devices in this group did not + * happen before, it means the cookie pointed to a + * device frome some other group (another storage + * group, or network); in this case try to take the + * first available device from our group + */ + specs[type].enum_started = 1; + + /* + * Attempt to take the first device in this group: + *'first element' flag is set + */ + found = dev_stor_get(type, 1, &more, di); + + } else { + errf("group%d - out of order iteration\n", type); + found = 0; + more = 0; + } + } + + /* + * If there are no more devices in this group, consider its + * enumeration finished + */ + specs[type].enum_ended = (!more) ? 1 : 0; + + if (found) + debugf("device found, returning cookie 0x%08x\n", + (u_int32_t)di->cookie); + else + debugf("no device found\n"); + + return found; +} + +void dev_enum_reset(void) +{ + int i; + + for (i = 0; i < ENUM_MAX; i ++) { + specs[i].enum_started = 0; + specs[i].enum_ended = 0; + } +} + +int dev_enum_storage(struct device_info *di) +{ + int i; + + /* + * check: ide, usb, scsi, mmc + */ + for (i = ENUM_IDE; i < ENUM_MAX; i ++) { + if (dev_enum_stor(i, di)) + return 1; + } + + return 0; +} + +static int dev_stor_is_valid(int type, block_dev_desc_t *dd) +{ + int i; + + for (i = 0; i < specs[type].max_dev; i++) + if (dd == get_dev(specs[type].name, i)) + if (dd->type != DEV_TYPE_UNKNOWN) + return 1; + + return 0; +} + + +int dev_open_stor(void *cookie) +{ + int type = dev_stor_type(cookie); + + if (type == ENUM_MAX) + return API_ENODEV; + + if (dev_stor_is_valid(type, (block_dev_desc_t *)cookie)) + return 0; + + return API_ENODEV; +} + + +int dev_close_stor(void *cookie) +{ + /* + * Not much to do as we actually do not alter storage devices upon + * close + */ + return 0; +} + + +static int dev_stor_index(block_dev_desc_t *dd) +{ + int i, type; + + type = dev_stor_type(dd); + for (i = 0; i < specs[type].max_dev; i++) + if (dd == get_dev(specs[type].name, i)) + return i; + + return (specs[type].max_dev); +} + + +lbasize_t dev_read_stor(void *cookie, void *buf, lbasize_t len, lbastart_t start) +{ + int type; + block_dev_desc_t *dd = (block_dev_desc_t *)cookie; + + if ((type = dev_stor_type(dd)) == ENUM_MAX) + return 0; + + if (!dev_stor_is_valid(type, dd)) + return 0; + + if ((dd->block_read) == NULL) { + debugf("no block_read() for device 0x%08x\n"); + return 0; + } + + return (dd->block_read(dev_stor_index(dd), start, len, buf)); +} + +#endif /* CONFIG_API */ diff --git a/api_examples/Makefile b/api_examples/Makefile new file mode 100644 index 0000000..5812bcd --- /dev/null +++ b/api_examples/Makefile @@ -0,0 +1,103 @@ +# +# (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 = 0xc100000 +#endif + +include $(TOPDIR)/config.mk + +ELF += demo +BIN += demo.bin + +#CFLAGS += -v + +COBJS := $(ELF:=.o) +SOBJS := crt0.o +ifeq ($(ARCH),ppc) +SOBJS += ppcstring.o +endif + +LIB = $(obj)libglue.a +LIBCOBJS= glue.o crc32.o ctype.o string.o vsprintf.o libgenwrap.o + +LIBOBJS = $(addprefix $(obj),$(SOBJS) $(LIBCOBJS)) + +SRCS := $(COBJS:.o=.c) $(LIBCOBJS:.o=.c) $(SOBJS:.o=.S) +OBJS := $(addprefix $(obj),$(COBJS)) +ELF := $(addprefix $(obj),$(ELF)) +BIN := $(addprefix $(obj),$(BIN)) + +gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`) + +CPPFLAGS += -I.. + +all: $(obj).depend $(OBJS) $(LIB) $(BIN) $(ELF) + +######################################################################### +$(LIB): $(obj).depend $(LIBOBJS) + $(AR) $(ARFLAGS) $@ $(LIBOBJS) + +$(ELF): +$(obj)%: $(obj)%.o $(LIB) + $(LD) $(obj)crt0.o -Ttext $(LOAD_ADDR) \ + -o $@ $< $(LIB) \ + -L$(gcclibdir) -lgcc + +$(BIN): +$(obj)%.bin: $(obj)% + $(OBJCOPY) -O binary $< $@ 2>/dev/null + +$(obj)crc32.c: + @rm -f $(obj)crc32.c + ln -s $(src)../lib_generic/crc32.c $(obj)crc32.c + +$(obj)ctype.c: + @rm -f $(obj)ctype.c + ln -s $(src)../lib_generic/ctype.c $(obj)ctype.c + +$(obj)string.c: + @rm -f $(obj)string.c + ln -s $(src)../lib_generic/string.c $(obj)string.c + +$(obj)vsprintf.c: + @rm -f $(obj)vsprintf.c + ln -s $(src)../lib_generic/vsprintf.c $(obj)vsprintf.c + +ifeq ($(ARCH),ppc) +$(obj)ppcstring.S: + @rm -f $(obj)ppcstring.S + ln -s $(src)../lib_ppc/ppcstring.S $(obj)ppcstring.S +endif + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/api_examples/crt0.S b/api_examples/crt0.S new file mode 100644 index 0000000..8d4f706 --- /dev/null +++ b/api_examples/crt0.S @@ -0,0 +1,50 @@ +/* + * (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: + b main + + + .globl syscall +syscall: + lis %r11, syscall_ptr@ha + addi %r11, %r11, syscall_ptr@l + lwz %r11, 0(%r11) + mtctr %r11 + bctr + + + .globl syscall_ptr +syscall_ptr: + .align 4 + .long 0 +#else +#error No support for this arch! +#endif diff --git a/api_examples/demo.c b/api_examples/demo.c new file mode 100644 index 0000000..a4aeef1 --- /dev/null +++ b/api_examples/demo.c @@ -0,0 +1,258 @@ +/* + * (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 + * + */ + +#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) + +void test_dump_si(struct sys_info *); +void test_dump_di(int); +void test_dump_sig(struct api_signature *); + +char buf[2048]; + +#define WAIT_SECS 5 + +int main(int argc, char *argv[]) +{ + int rv = 0; + int h, i, j; + int devs_no; + struct api_signature *sig = NULL; + ulong start, now; + struct device_info *di; + + 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", sig); + test_dump_sig(sig); + + printf("\n*** Consumer API test ***\n"); + printf("syscall ptr 0x%08x@%08x\n", syscall_ptr, &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 { + if ((rv = ub_dev_open(i)) != 0) + errf("open device %d error %d\n", i, rv); + else if ((rv = ub_dev_read(i, &buf, 200, 20)) != 0) + errf("could not read from device %d, error %d\n", i, rv); + + 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 */ + 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", sig->syscall); +} + +void test_dump_si(struct sys_info *si) +{ + int i; + + printf("sys info:\n"); + printf(" clkbus\t= 0x%08x\n", si->clk_bus); + printf(" clkcpu\t= 0x%08x\n", si->clk_cpu); + printf(" bar\t\t= 0x%08x\n", 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_SCSI) + return "SCSI"; + + if (type & DT_STOR_USB) + return "USB"; + + if (type & DT_STOR_MMC); + return "MMC"; + + return "Unknown"; +} + +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", di->di_stor.block_size); + printf(" blk count\t\t= %d\n", di->di_stor.block_count); + } +} diff --git a/api_examples/glue.c b/api_examples/glue.c new file mode 100644 index 0000000..7598369 --- /dev/null +++ b/api_examples/glue.c @@ -0,0 +1,405 @@ +/* + * (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 + * + */ + +#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; + + if (sig == NULL) + return 0; + + sp = (unsigned char *)API_SEARCH_START; + + while ((sp + (int)API_SIG_MAGLEN) < (unsigned char *)API_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); +} + +#define MR_MAX 5 +static struct mem_region mr[MR_MAX]; +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 = MR_MAX; + 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, ..., MAX_DEVS-1 + * + ***************************************************************************/ + +#define MAX_DEVS 6 + +static struct device_info devices[MAX_DEVS]; + +struct device_info * ub_dev_get(int i) +{ + return ((i < 0 || i >= MAX_DEVS) ? 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) * MAX_DEVS); + di = &devices[0]; + + if (!syscall(API_DEV_ENUM, NULL, di)) + return 0; + + while (di->cookie != NULL) { + + if (++n >= MAX_DEVS) + 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 >= MAX_DEVS) + 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 >= MAX_DEVS) + 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 >= MAX_DEVS) + 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) +{ + 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 -1; + + if (err) + return err; + + if (act_len != len) + return API_EIO; + + return 0; +} + +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) +{ + 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 -1; + + if (err) + return -1; + + return act_len; +} + +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 -1; + + 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; +} diff --git a/api_examples/glue.h b/api_examples/glue.h new file mode 100644 index 0000000..a82f783 --- /dev/null +++ b/api_examples/glue.h @@ -0,0 +1,76 @@ +/* + * (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_START (255 * 1024 * 1024) /* start at 1MB below top RAM */ +#define API_SEARCH_END (256 * 1024 * 1024 - 1) /* ...and search to the end */ + +int syscall(int, int *, ...); +void * syscall_ptr; + +int api_search_sig(struct api_signature **sig); + +/* + * 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); +int ub_dev_send(int handle, void *buf, int len); +int ub_dev_recv(int handle, void *buf, int len); +struct device_info * ub_dev_get(int); + +#endif /* _API_GLUE_H_ */ diff --git a/api_examples/libgenwrap.c b/api_examples/libgenwrap.c new file mode 100644 index 0000000..df62633 --- /dev/null +++ b/api_examples/libgenwrap.c @@ -0,0 +1,90 @@ +/* + * (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; +} diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c index 6770408..dd263b6 100644 --- a/common/cmd_nvedit.c +++ b/common/cmd_nvedit.c @@ -81,8 +81,6 @@ extern void env_crc_update (void); /************************************************************************ ************************************************************************/ -static int envmatch (uchar *, int); - /* * Table with supported baudrates (defined in config_xyz.h) */ @@ -576,8 +574,7 @@ int do_saveenv (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) * If the names match, return the index for the value2, else NULL. */ -static int -envmatch (uchar *s1, int i2) +int envmatch (uchar *s1, int i2) { while (*s1 == env_get_char(i2++)) diff --git a/common/main.c b/common/main.c index 4253eac..ad2a386 100644 --- a/common/main.c +++ b/common/main.c @@ -59,7 +59,6 @@ extern int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); #define MAX_DELAY_STOP_STR 32 -static int parse_line (char *, char *[]); #if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0) static int abortboot(int); #endif @@ -918,8 +917,15 @@ static int cread_line(const char *const prompt, char *buf, unsigned int *len) */ int readline (const char *const prompt) { + return readline_into_buffer(prompt, console_buffer); +} + + +int readline_into_buffer (const char *const prompt, char * buffer) +{ + char *p = buffer; + char * p_buf = p; #ifdef CONFIG_CMDLINE_EDITING - char *p = console_buffer; unsigned int len=MAX_CMDBUF_SIZE; int rc; static int initted = 0; @@ -934,7 +940,6 @@ int readline (const char *const prompt) rc = cread_line(prompt, p, &len); return rc < 0 ? rc : len; #else - char *p = console_buffer; int n = 0; /* buffer index */ int plen = 0; /* prompt length */ int col; /* output column cnt */ @@ -972,13 +977,13 @@ int readline (const char *const prompt) case '\n': *p = '\0'; puts ("\r\n"); - return (p - console_buffer); + return (p - p_buf); case '\0': /* nul */ continue; case 0x03: /* ^C - break */ - console_buffer[0] = '\0'; /* discard input */ + p_buf[0] = '\0'; /* discard input */ return (-1); case 0x15: /* ^U - erase line */ @@ -986,20 +991,20 @@ int readline (const char *const prompt) puts (erase_seq); --col; } - p = console_buffer; + p = p_buf; n = 0; continue; case 0x17: /* ^W - erase word */ - p=delete_char(console_buffer, p, &col, &n, plen); + p=delete_char(p_buf, p, &col, &n, plen); while ((n > 0) && (*p != ' ')) { - p=delete_char(console_buffer, p, &col, &n, plen); + p=delete_char(p_buf, p, &col, &n, plen); } continue; case 0x08: /* ^H - backspace */ case 0x7F: /* DEL - backspace */ - p=delete_char(console_buffer, p, &col, &n, plen); + p=delete_char(p_buf, p, &col, &n, plen); continue; default: @@ -1012,7 +1017,7 @@ int readline (const char *const prompt) /* if auto completion triggered just continue */ *p = '\0'; if (cmd_auto_complete(prompt, console_buffer, &n, &col)) { - p = console_buffer + n; /* reset */ + p = p_buf + n; /* reset */ continue; } #endif diff --git a/fs/fat/fat.c b/fs/fat/fat.c index e98e50a..ee8b5fe 100644 --- a/fs/fat/fat.c +++ b/fs/fat/fat.c @@ -85,46 +85,41 @@ fat_register_device(block_dev_desc_t *dev_desc, int part_no) /* no signature found */ return -1; } - if(!strncmp((char *)&buffer[DOS_FS_TYPE_OFFSET],"FAT",3)) { - /* ok, we assume we are on a PBR only */ - cur_part = 1; - part_offset=0; - } else { #if (defined(CONFIG_CMD_IDE) || \ defined(CONFIG_CMD_SCSI) || \ defined(CONFIG_CMD_USB) || \ - (defined(CONFIG_MMC) && defined(CONFIG_LPC2292)) || \ - defined(CONFIG_SYSTEMACE) ) - /* First we assume, there is a MBR */ - if (!get_partition_info (dev_desc, part_no, &info)) { - part_offset = info.start; - cur_part = part_no; - } else if (!strncmp((char *)&buffer[DOS_FS_TYPE_OFFSET], "FAT", 3)) { - /* ok, we assume we are on a PBR only */ - cur_part = 1; - part_offset = 0; - } else { - printf ("** Partition %d not valid on device %d **\n", + defined(CONFIG_MMC) || \ + defined(CONFIG_SYSTEMACE) ) + /* First we assume, there is a MBR */ + if (!get_partition_info (dev_desc, part_no, &info)) { + part_offset = info.start; + cur_part = part_no; + } else if (!strncmp((char *)&buffer[DOS_FS_TYPE_OFFSET], "FAT", 3)) { + /* ok, we assume we are on a PBR only */ + cur_part = 1; + part_offset = 0; + } else { + printf ("** Partition %d not valid on device %d **\n", part_no, dev_desc->dev); - return -1; - } + return -1; + } + #else - if(!strncmp((char *)&buffer[DOS_FS_TYPE_OFFSET],"FAT",3)) { - /* ok, we assume we are on a PBR only */ - cur_part = 1; - part_offset = 0; - info.start = part_offset; - } else { - /* FIXME we need to determine the start block of the - * partition where the DOS FS resides. This can be done - * by using the get_partition_info routine. For this - * purpose the libpart must be included. - */ - part_offset = 32; - cur_part = 1; - } -#endif + if (!strncmp((char *)&buffer[DOS_FS_TYPE_OFFSET],"FAT",3)) { + /* ok, we assume we are on a PBR only */ + cur_part = 1; + part_offset = 0; + info.start = part_offset; + } else { + /* FIXME we need to determine the start block of the + * partition where the DOS FS resides. This can be done + * by using the get_partition_info routine. For this + * purpose the libpart must be included. + */ + part_offset = 32; + cur_part = 1; } +#endif return 0; } diff --git a/include/api_public.h b/include/api_public.h new file mode 100644 index 0000000..690975e --- /dev/null +++ b/include/api_public.h @@ -0,0 +1,102 @@ +#ifndef _API_PUBLIC_H_ +#define _API_PUBLIC_H_ + +#define API_EINVAL 1 /* invalid argument(s) */ +#define API_ENODEV 2 /* no device */ +#define API_ENOMEM 3 /* no memory */ +#define API_EBUSY 4 /* busy, occupied etc. */ +#define API_EIO 5 /* I/O error */ + +typedef int (*scp_t)(int, int *, ...); + +#define API_SIG_VERSION 1 +#define API_SIG_MAGIC "UBootAPI" +#define API_SIG_MAGLEN 8 + +struct api_signature { + char magic[API_SIG_MAGLEN]; /* magic string */ + uint16_t version; /* API version */ + uint32_t checksum; /* checksum of this sig struct */ + scp_t syscall; /* entry point to the API */ +}; + +enum { + API_RSVD = 0, + API_GETC, + API_PUTC, + API_TSTC, + API_PUTS, + API_RESET, + API_GET_SYS_INFO, + API_UDELAY, + API_GET_TIMER, + API_DEV_ENUM, + API_DEV_OPEN, + API_DEV_CLOSE, + API_DEV_READ, + API_DEV_WRITE, + API_ENV_ENUM, + API_ENV_GET, + API_ENV_SET, + API_MAXCALL +}; + +#define MR_ATTR_FLASH 0x0001 +#define MR_ATTR_DRAM 0x0002 +#define MR_ATTR_SRAM 0x0003 + +struct mem_region { + unsigned long start; + unsigned long size; + int flags; +}; + +struct sys_info { + unsigned long clk_bus; + unsigned long clk_cpu; + unsigned long bar; + struct mem_region *mr; + int mr_no; /* number of memory regions */ +}; + +#undef CFG_64BIT_LBA +#ifdef CFG_64BIT_LBA +typedef u_int64_t lbasize_t; +#else +typedef unsigned long lbasize_t; +#endif +typedef unsigned long lbastart_t; + +#define DEV_TYP_NONE 0x0000 +#define DEV_TYP_NET 0x0001 + +#define DEV_TYP_STOR 0x0002 +#define DT_STOR_IDE 0x0010 +#define DT_STOR_SCSI 0x0020 +#define DT_STOR_USB 0x0040 +#define DT_STOR_MMC 0x0080 + +#define DEV_STA_CLOSED 0x0000 /* invalid, closed */ +#define DEV_STA_OPEN 0x0001 /* open i.e. active */ + +struct device_info { + int type; + void *cookie; + + union { + struct { + lbasize_t block_count; /* no of blocks */ + unsigned long block_size; /* size of one block */ + } storage; + + struct { + unsigned char hwaddr[6]; + } net; + } info; +#define di_stor info.storage +#define di_net info.net + + int state; +}; + +#endif /* _API_PUBLIC_H_ */ diff --git a/include/common.h b/include/common.h index 493417f..9ef9344 100644 --- a/include/common.h +++ b/include/common.h @@ -197,6 +197,8 @@ int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen); void main_loop (void); int run_command (const char *cmd, int flag); int readline (const char *const prompt); +int readline_into_buffer (const char *const prompt, char * buffer); +int parse_line (char *, char *[]); void init_cmd_timeout(void); void reset_cmd_timeout(void); @@ -227,6 +229,7 @@ extern ulong load_addr; /* Default Load Address */ /* common/cmd_nvedit.c */ int env_init (void); void env_relocate (void); +int envmatch (uchar *, int); char *getenv (char *); int getenv_r (char *name, char *buf, unsigned len); int saveenv (void); @@ -278,6 +281,9 @@ int misc_init_r (void); /* common/exports.c */ void jumptable_init(void); +/* api/api.c */ +void api_init (void); + /* common/memsize.c */ long get_ram_size (volatile long *, long); diff --git a/lib_ppc/board.c b/lib_ppc/board.c index 9aa67f9..0719745 100644 --- a/lib_ppc/board.c +++ b/lib_ppc/board.c @@ -928,6 +928,11 @@ void board_init_r (gd_t *id, ulong dest_addr) /* Initialize the jump table for applications */ jumptable_init (); +#if defined(CONFIG_API) + /* Initialize API */ + api_init (); +#endif + /* Initialize the console (after the relocation and devices init) */ console_init_r (); |