diff options
53 files changed, 1314 insertions, 96 deletions
diff --git a/arch/sandbox/cpu/cpu.c b/arch/sandbox/cpu/cpu.c index cfc1fda1e..38019e0b4 100644 --- a/arch/sandbox/cpu/cpu.c +++ b/arch/sandbox/cpu/cpu.c @@ -5,13 +5,23 @@ #include <common.h> #include <os.h> +#include <asm/state.h> DECLARE_GLOBAL_DATA_PTR; -int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +void reset_cpu(ulong ignored) { + if (state_uninit()) + os_exit(2); + /* This is considered normal termination for now */ os_exit(0); +} + +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + reset_cpu(0); + return 0; } @@ -28,7 +38,14 @@ unsigned long __attribute__((no_instrument_function)) timer_get_us(void) int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) { - return -1; + if (flag & (BOOTM_STATE_OS_GO | BOOTM_STATE_OS_FAKE_GO)) { + bootstage_mark(BOOTSTAGE_ID_RUN_OS); + printf("## Transferring control to Linux (at address %08lx)...\n", + images->ep); + reset_cpu(0); + } + + return 0; } int cleanup_before_linux(void) diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c index 26f44cb59..725b50517 100644 --- a/arch/sandbox/cpu/os.c +++ b/arch/sandbox/cpu/os.c @@ -27,6 +27,10 @@ /* Operating System Interface */ +struct os_mem_hdr { + size_t length; /* number of bytes in the block */ +}; + ssize_t os_read(int fd, void *buf, size_t count) { return read(fd, buf, count); @@ -128,8 +132,45 @@ void os_tty_raw(int fd) void *os_malloc(size_t length) { - return mmap(NULL, length, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + struct os_mem_hdr *hdr; + + hdr = mmap(NULL, length + sizeof(*hdr), PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + if (hdr == MAP_FAILED) + return NULL; + hdr->length = length; + + return hdr + 1; +} + +void *os_free(void *ptr) +{ + struct os_mem_hdr *hdr = ptr; + + hdr--; + if (ptr) + munmap(hdr, hdr->length + sizeof(*hdr)); +} + +void *os_realloc(void *ptr, size_t length) +{ + struct os_mem_hdr *hdr = ptr; + void *buf = NULL; + + hdr--; + if (length != 0) { + buf = os_malloc(length); + if (!buf) + return buf; + if (ptr) { + if (length > hdr->length) + length = hdr->length; + memcpy(buf, ptr, length); + } + } + os_free(ptr); + + return buf; } void os_usleep(unsigned long usec) @@ -347,3 +388,53 @@ ssize_t os_get_filesize(const char *fname) return ret; return buf.st_size; } + +void os_putc(int ch) +{ + putchar(ch); +} + +void os_puts(const char *str) +{ + while (*str) + os_putc(*str++); +} + +int os_write_ram_buf(const char *fname) +{ + struct sandbox_state *state = state_get_current(); + int fd, ret; + + fd = open(fname, O_CREAT | O_WRONLY, 0777); + if (fd < 0) + return -ENOENT; + ret = write(fd, state->ram_buf, state->ram_size); + close(fd); + if (ret != state->ram_size) + return -EIO; + + return 0; +} + +int os_read_ram_buf(const char *fname) +{ + struct sandbox_state *state = state_get_current(); + int fd, ret; + int size; + + size = os_get_filesize(fname); + if (size < 0) + return -ENOENT; + if (size != state->ram_size) + return -ENOSPC; + fd = open(fname, O_RDONLY); + if (fd < 0) + return -ENOENT; + + ret = read(fd, state->ram_buf, state->ram_size); + close(fd); + if (ret != state->ram_size) + return -EIO; + + return 0; +} diff --git a/arch/sandbox/cpu/start.c b/arch/sandbox/cpu/start.c index 1b1545478..1df21d49f 100644 --- a/arch/sandbox/cpu/start.c +++ b/arch/sandbox/cpu/start.c @@ -4,11 +4,12 @@ */ #include <common.h> +#include <os.h> #include <asm/getopt.h> #include <asm/sections.h> #include <asm/state.h> -#include <os.h> +DECLARE_GLOBAL_DATA_PTR; int sandbox_early_getopt_check(void) { @@ -50,9 +51,9 @@ int sandbox_early_getopt_check(void) /* then the long flag */ if (opt->has_arg) - printf("--%-*s", max_noarg_len, opt->flag); - else printf("--%-*s <arg> ", max_arg_len, opt->flag); + else + printf("--%-*s", max_noarg_len, opt->flag); /* finally the help text */ printf(" %s\n", opt->help); @@ -75,7 +76,8 @@ int sandbox_main_loop_init(void) /* Execute command if required */ if (state->cmd) { run_command_list(state->cmd, -1, 0); - os_exit(state->exit_type); + if (!state->interactive) + os_exit(state->exit_type); } return 0; @@ -96,25 +98,93 @@ static int sandbox_cmdline_cb_fdt(struct sandbox_state *state, const char *arg) } SANDBOX_CMDLINE_OPT_SHORT(fdt, 'd', 1, "Specify U-Boot's control FDT"); -int main(int argc, char *argv[]) +static int sandbox_cmdline_cb_interactive(struct sandbox_state *state, + const char *arg) +{ + state->interactive = true; + return 0; +} + +SANDBOX_CMDLINE_OPT_SHORT(interactive, 'i', 0, "Enter interactive mode"); + +static int sandbox_cmdline_cb_memory(struct sandbox_state *state, + const char *arg) { - struct sandbox_state *state; int err; - err = state_init(); - if (err) + /* For now assume we always want to write it */ + state->write_ram_buf = true; + state->ram_buf_fname = arg; + + if (os_read_ram_buf(arg)) { + printf("Failed to read RAM buffer\n"); return err; + } + + return 0; +} +SANDBOX_CMDLINE_OPT_SHORT(memory, 'm', 1, + "Read/write ram_buf memory contents from file"); + +static int sandbox_cmdline_cb_state(struct sandbox_state *state, + const char *arg) +{ + state->state_fname = arg; + return 0; +} +SANDBOX_CMDLINE_OPT_SHORT(state, 's', 1, "Specify the sandbox state FDT"); + +static int sandbox_cmdline_cb_read(struct sandbox_state *state, + const char *arg) +{ + state->read_state = true; + return 0; +} +SANDBOX_CMDLINE_OPT_SHORT(read, 'r', 0, "Read the state FDT on startup"); + +static int sandbox_cmdline_cb_write(struct sandbox_state *state, + const char *arg) +{ + state->write_state = true; + return 0; +} +SANDBOX_CMDLINE_OPT_SHORT(write, 'w', 0, "Write state FDT on exit"); + +static int sandbox_cmdline_cb_ignore_missing(struct sandbox_state *state, + const char *arg) +{ + state->ignore_missing_state_on_read = true; + return 0; +} +SANDBOX_CMDLINE_OPT_SHORT(ignore_missing, 'n', 0, + "Ignore missing state on read"); + +int main(int argc, char *argv[]) +{ + struct sandbox_state *state; + int ret; + + ret = state_init(); + if (ret) + goto err; state = state_get_current(); if (os_parse_args(state, argc, argv)) return 1; - /* - * Do pre- and post-relocation init, then start up U-Boot. This will - * never return. - */ + ret = sandbox_read_state(state, state->state_fname); + if (ret) + goto err; + + /* Do pre- and post-relocation init */ board_init_f(0); - /* NOTREACHED - board_init_f() does not return */ + board_init_r(gd->new_gd, 0); + + /* NOTREACHED - board_init_r() does not return */ return 0; + +err: + printf("Error %d\n", ret); + return 1; } diff --git a/arch/sandbox/cpu/state.c b/arch/sandbox/cpu/state.c index 56d504141..a145808a5 100644 --- a/arch/sandbox/cpu/state.c +++ b/arch/sandbox/cpu/state.c @@ -4,6 +4,9 @@ */ #include <common.h> +#include <errno.h> +#include <fdtdec.h> +#include <os.h> #include <asm/state.h> /* Main state record for the sandbox */ @@ -15,6 +18,324 @@ void state_record_exit(enum exit_type_id exit_type) state->exit_type = exit_type; } +static int state_ensure_space(int extra_size) +{ + void *blob = state->state_fdt; + int used, size, free; + void *buf; + int ret; + + used = fdt_off_dt_strings(blob) + fdt_size_dt_strings(blob); + size = fdt_totalsize(blob); + free = size - used; + if (free > extra_size) + return 0; + + size = used + extra_size; + buf = os_malloc(size); + if (!buf) + return -ENOMEM; + + ret = fdt_open_into(blob, buf, size); + if (ret) { + os_free(buf); + return -EIO; + } + + os_free(blob); + state->state_fdt = buf; + return 0; +} + +static int state_read_file(struct sandbox_state *state, const char *fname) +{ + int size; + int ret; + int fd; + + size = os_get_filesize(fname); + if (size < 0) { + printf("Cannot find sandbox state file '%s'\n", fname); + return -ENOENT; + } + state->state_fdt = os_malloc(size); + if (!state->state_fdt) { + puts("No memory to read sandbox state\n"); + return -ENOMEM; + } + fd = os_open(fname, OS_O_RDONLY); + if (fd < 0) { + printf("Cannot open sandbox state file '%s'\n", fname); + ret = -EPERM; + goto err_open; + } + if (os_read(fd, state->state_fdt, size) != size) { + printf("Cannot read sandbox state file '%s'\n", fname); + ret = -EIO; + goto err_read; + } + os_close(fd); + + return 0; +err_read: + os_close(fd); +err_open: + os_free(state->state_fdt); + state->state_fdt = NULL; + + return ret; +} + +/*** + * sandbox_read_state_nodes() - Read state associated with a driver + * + * This looks through all compatible nodes and calls the read function on + * each one, to read in the state. + * + * If nothing is found, it still calls the read function once, to set up a + * single global state for that driver. + * + * @state: Sandbox state + * @io: Method to use for reading state + * @blob: FDT containing state + * @return 0 if OK, -EINVAL if the read function returned failure + */ +int sandbox_read_state_nodes(struct sandbox_state *state, + struct sandbox_state_io *io, const void *blob) +{ + int count; + int node; + int ret; + + debug(" - read %s\n", io->name); + if (!io->read) + return 0; + + node = -1; + count = 0; + while (blob) { + node = fdt_node_offset_by_compatible(blob, node, io->compat); + if (node < 0) + return 0; /* No more */ + debug(" - read node '%s'\n", fdt_get_name(blob, node, NULL)); + ret = io->read(blob, node); + if (ret) { + printf("Unable to read state for '%s'\n", io->compat); + return -EINVAL; + } + count++; + } + + /* + * If we got no saved state, call the read function once without a + * node, to set up the global state. + */ + if (count == 0) { + debug(" - read global\n"); + ret = io->read(NULL, -1); + if (ret) { + printf("Unable to read global state for '%s'\n", + io->name); + return -EINVAL; + } + } + + return 0; +} + +int sandbox_read_state(struct sandbox_state *state, const char *fname) +{ + struct sandbox_state_io *io; + const void *blob; + bool got_err; + int ret; + + if (state->read_state && fname) { + ret = state_read_file(state, fname); + if (ret == -ENOENT && state->ignore_missing_state_on_read) + ret = 0; + if (ret) + return ret; + } + + /* Call all the state read funtcions */ + got_err = false; + blob = state->state_fdt; + io = ll_entry_start(struct sandbox_state_io, state_io); + for (; io < ll_entry_end(struct sandbox_state_io, state_io); io++) { + ret = sandbox_read_state_nodes(state, io, blob); + if (ret < 0) + got_err = true; + } + + if (state->read_state && fname) { + debug("Read sandbox state from '%s'%s\n", fname, + got_err ? " (with errors)" : ""); + } + + return got_err ? -1 : 0; +} + +/*** + * sandbox_write_state_node() - Write state associated with a driver + * + * This calls the write function to write out global state for that driver. + * + * TODO(sjg@chromium.org): Support writing out state from multiple drivers + * of the same time. We don't need this yet,and it will be much easier to + * do when driver model is available. + * + * @state: Sandbox state + * @io: Method to use for writing state + * @return 0 if OK, -EIO if there is a fatal error (such as out of space + * for adding the data), -EINVAL if the write function failed. + */ +int sandbox_write_state_node(struct sandbox_state *state, + struct sandbox_state_io *io) +{ + void *blob; + int node; + int ret; + + if (!io->write) + return 0; + + ret = state_ensure_space(SANDBOX_STATE_MIN_SPACE); + if (ret) { + printf("Failed to add more space for state\n"); + return -EIO; + } + + /* The blob location can change when the size increases */ + blob = state->state_fdt; + node = fdt_node_offset_by_compatible(blob, -1, io->compat); + if (node == -FDT_ERR_NOTFOUND) { + node = fdt_add_subnode(blob, 0, io->name); + if (node < 0) { + printf("Cannot create node '%s': %s\n", io->name, + fdt_strerror(node)); + return -EIO; + } + + if (fdt_setprop_string(blob, node, "compatible", io->compat)) { + puts("Cannot set compatible\n"); + return -EIO; + } + } else if (node < 0) { + printf("Cannot access node '%s': %s\n", io->name, + fdt_strerror(node)); + return -EIO; + } + debug("Write state for '%s' to node %d\n", io->compat, node); + ret = io->write(blob, node); + if (ret) { + printf("Unable to write state for '%s'\n", io->compat); + return -EINVAL; + } + + return 0; +} + +int sandbox_write_state(struct sandbox_state *state, const char *fname) +{ + struct sandbox_state_io *io; + bool got_err; + int size; + int ret; + int fd; + + /* Create a state FDT if we don't have one */ + if (!state->state_fdt) { + size = 0x4000; + state->state_fdt = os_malloc(size); + if (!state->state_fdt) { + puts("No memory to create FDT\n"); + return -ENOMEM; + } + ret = fdt_create_empty_tree(state->state_fdt, size); + if (ret < 0) { + printf("Cannot create empty state FDT: %s\n", + fdt_strerror(ret)); + ret = -EIO; + goto err_create; + } + } + + /* Call all the state write funtcions */ + got_err = false; + io = ll_entry_start(struct sandbox_state_io, state_io); + ret = 0; + for (; io < ll_entry_end(struct sandbox_state_io, state_io); io++) { + ret = sandbox_write_state_node(state, io); + if (ret == -EIO) + break; + else if (ret) + got_err = true; + } + + if (ret == -EIO) { + printf("Could not write sandbox state\n"); + goto err_create; + } + + ret = fdt_pack(state->state_fdt); + if (ret < 0) { + printf("Cannot pack state FDT: %s\n", fdt_strerror(ret)); + ret = -EINVAL; + goto err_create; + } + size = fdt_totalsize(state->state_fdt); + fd = os_open(fname, OS_O_WRONLY | OS_O_CREAT); + if (fd < 0) { + printf("Cannot open sandbox state file '%s'\n", fname); + ret = -EIO; + goto err_create; + } + if (os_write(fd, state->state_fdt, size) != size) { + printf("Cannot write sandbox state file '%s'\n", fname); + ret = -EIO; + goto err_write; + } + os_close(fd); + + debug("Wrote sandbox state to '%s'%s\n", fname, + got_err ? " (with errors)" : ""); + + return 0; +err_write: + os_close(fd); +err_create: + os_free(state->state_fdt); + + return ret; +} + +int state_setprop(int node, const char *prop_name, const void *data, int size) +{ + void *blob; + int len; + int ret; + + fdt_getprop(state->state_fdt, node, prop_name, &len); + + /* Add space for the new property, its name and some overhead */ + ret = state_ensure_space(size - len + strlen(prop_name) + 32); + if (ret) + return ret; + + /* This should succeed, barring a mutiny */ + blob = state->state_fdt; + ret = fdt_setprop(blob, node, prop_name, data, size); + if (ret) { + printf("%s: Unable to set property '%s' in node '%s': %s\n", + __func__, prop_name, fdt_get_name(blob, node, NULL), + fdt_strerror(ret)); + return -ENOSPC; + } + + return 0; +} + struct sandbox_state *state_get_current(void) { assert(state); @@ -25,6 +346,10 @@ int state_init(void) { state = &main_state; + state->ram_size = CONFIG_SYS_SDRAM_SIZE; + state->ram_buf = os_malloc(state->ram_size); + assert(state->ram_buf); + /* * Example of how to use GPIOs: * @@ -33,3 +358,31 @@ int state_init(void) */ return 0; } + +int state_uninit(void) +{ + int err; + + state = &main_state; + + if (state->write_ram_buf) { + err = os_write_ram_buf(state->ram_buf_fname); + if (err) { + printf("Failed to write RAM buffer\n"); + return err; + } + } + + if (state->write_state) { + if (sandbox_write_state(state, state->state_fname)) { + printf("Failed to write sandbox state\n"); + return -1; + } + } + + if (state->state_fdt) + os_free(state->state_fdt); + memset(state, '\0', sizeof(*state)); + + return 0; +} diff --git a/arch/sandbox/include/asm/global_data.h b/arch/sandbox/include/asm/global_data.h index d70532aa4..b2e9b488f 100644 --- a/arch/sandbox/include/asm/global_data.h +++ b/arch/sandbox/include/asm/global_data.h @@ -12,7 +12,7 @@ /* Architecture-specific global data */ struct arch_global_data { - u8 *ram_buf; /* emulated RAM buffer */ + uint8_t *ram_buf; /* emulated RAM buffer */ }; #include <asm-generic/global_data.h> diff --git a/arch/sandbox/include/asm/state.h b/arch/sandbox/include/asm/state.h index a38820bde..e8e4fea1b 100644 --- a/arch/sandbox/include/asm/state.h +++ b/arch/sandbox/include/asm/state.h @@ -7,6 +7,8 @@ #define __SANDBOX_STATE_H #include <config.h> +#include <stdbool.h> +#include <linux/stringify.h> /* How we exited U-Boot */ enum exit_type_id { @@ -23,17 +25,92 @@ struct sandbox_spi_info { /* The complete state of the test system */ struct sandbox_state { const char *cmd; /* Command to execute */ + bool interactive; /* Enable cmdline after execute */ const char *fdt_fname; /* Filename of FDT binary */ enum exit_type_id exit_type; /* How we exited U-Boot */ const char *parse_err; /* Error to report from parsing */ int argc; /* Program arguments */ char **argv; + uint8_t *ram_buf; /* Emulated RAM buffer */ + unsigned int ram_size; /* Size of RAM buffer */ + const char *ram_buf_fname; /* Filename to use for RAM buffer */ + bool write_ram_buf; /* Write RAM buffer on exit */ + const char *state_fname; /* File containing sandbox state */ + void *state_fdt; /* Holds saved state for sandbox */ + bool read_state; /* Read sandbox state on startup */ + bool write_state; /* Write sandbox state on exit */ + bool ignore_missing_state_on_read; /* No error if state missing */ /* Pointer to information for each SPI bus/cs */ struct sandbox_spi_info spi[CONFIG_SANDBOX_SPI_MAX_BUS] [CONFIG_SANDBOX_SPI_MAX_CS]; }; +/* Minimum space we guarantee in the state FDT when calling read/write*/ +#define SANDBOX_STATE_MIN_SPACE 0x1000 + +/** + * struct sandbox_state_io - methods to saved/restore sandbox state + * @name: Name of of the device tree node, also the name of the variable + * holding this data so it should be an identifier (use underscore + * instead of minus) + * @compat: Compatible string for the node containing this state + * + * @read: Function to read state from FDT + * If data is available, then blob and node will provide access to it. If + * not (blob == NULL and node == -1) this function should set up an empty + * data set for start-of-day. + * @param blob: Pointer to device tree blob, or NULL if no data to read + * @param node: Node offset to read from + * @return 0 if OK, -ve on error + * + * @write: Function to write state to FDT + * The caller will ensure that there is a node ready for the state. The + * node may already contain the old state, in which case it should be + * overridden. There is guaranteed to be SANDBOX_STATE_MIN_SPACE bytes + * of free space, so error checking is not required for fdt_setprop...() + * calls which add up to less than this much space. + * + * For adding larger properties, use state_setprop(). + * + * @param blob: Device tree blob holding state + * @param node: Node to write our state into + * + * Note that it is possible to save data as large blobs or as individual + * hierarchical properties. However, unless you intend to keep state files + * around for a long time and be able to run an old state file on a new + * sandbox, it might not be worth using individual properties for everything. + * This is certainly supported, it is just a matter of the effort you wish + * to put into the state read/write feature. + */ +struct sandbox_state_io { + const char *name; + const char *compat; + int (*write)(void *blob, int node); + int (*read)(const void *blob, int node); +}; + +/** + * SANDBOX_STATE_IO - Declare sandbox state to read/write + * + * Sandbox permits saving state from one run and restoring it in another. This + * allows the test system to retain state between runs and thus better + * emulate a real system. Examples of state that might be useful to save are + * the emulated GPIOs pin settings, flash memory contents and TPM private + * data. U-Boot memory contents is dealth with separately since it is large + * and it is not normally useful to save it (since a normal system does not + * preserve DRAM between runs). See the '-m' option for this. + * + * See struct sandbox_state_io above for member documentation. + */ +#define SANDBOX_STATE_IO(_name, _compat, _read, _write) \ + ll_entry_declare(struct sandbox_state_io, _name, state_io) = { \ + .name = __stringify(_name), \ + .read = _read, \ + .write = _write, \ + .compat = _compat, \ + } + /** * Record the exit type to be reported by the test program. * @@ -49,8 +126,59 @@ void state_record_exit(enum exit_type_id exit_type); struct sandbox_state *state_get_current(void); /** + * Read the sandbox state from the supplied device tree file + * + * This calls all registered state handlers to read in the sandbox state + * from a previous test run. + * + * @param state Sandbox state to update + * @param fname Filename of device tree file to read from + * @return 0 if OK, -ve on error + */ +int sandbox_read_state(struct sandbox_state *state, const char *fname); + +/** + * Write the sandbox state to the supplied device tree file + * + * This calls all registered state handlers to write out the sandbox state + * so that it can be preserved for a future test run. + * + * If the file exists it is overwritten. + * + * @param state Sandbox state to update + * @param fname Filename of device tree file to write to + * @return 0 if OK, -ve on error + */ +int sandbox_write_state(struct sandbox_state *state, const char *fname); + +/** + * Add a property to a sandbox state node + * + * This is equivalent to fdt_setprop except that it automatically enlarges + * the device tree if necessary. That means it is safe to write any amount + * of data here. + * + * This function can only be called from within struct sandbox_state_io's + * ->write method, i.e. within state I/O drivers. + * + * @param node Device tree node to write to + * @param prop_name Property to write + * @param data Data to write into property + * @param size Size of data to write into property + */ +int state_setprop(int node, const char *prop_name, const void *data, int size); + +/** * Initialize the test system state */ int state_init(void); +/** + * Uninitialize the test system state, writing out state if configured to + * do so. + * + * @return 0 if OK, -ve on error + */ +int state_uninit(void); + #endif diff --git a/arch/sandbox/include/asm/u-boot-sandbox.h b/arch/sandbox/include/asm/u-boot-sandbox.h index bed720cf8..5707c2710 100644 --- a/arch/sandbox/include/asm/u-boot-sandbox.h +++ b/arch/sandbox/include/asm/u-boot-sandbox.h @@ -23,4 +23,6 @@ int dram_init(void); int sandbox_early_getopt_check(void); int sandbox_main_loop_init(void); +int cleanup_before_linux(void); + #endif /* _U_BOOT_SANDBOX_H_ */ diff --git a/arch/sh/cpu/sh2/config.mk b/arch/sh/cpu/sh2/config.mk index 8a0de9671..69273b4f3 100644 --- a/arch/sh/cpu/sh2/config.mk +++ b/arch/sh/cpu/sh2/config.mk @@ -12,7 +12,7 @@ PLATFORM_CPPFLAGS += -m2a -m2a-nofpu -mb -ffreestanding else # SH2 PLATFORM_CPPFLAGS += -m3e -mb endif -PLATFORM_CPPFLAGS += $(call cc-option,-mno-fdpic) +PLATFORM_CPPFLAGS += -DCONFIG_SH2 $(call cc-option,-mno-fdpic) PLATFORM_RELFLAGS += -ffixed-r13 PLATFORM_LDFLAGS += $(ENDIANNESS) diff --git a/arch/sh/cpu/sh2/cpu.c b/arch/sh/cpu/sh2/cpu.c index 18479a4c4..a2f856f45 100644 --- a/arch/sh/cpu/sh2/cpu.c +++ b/arch/sh/cpu/sh2/cpu.c @@ -23,11 +23,7 @@ int checkcpu(void) { -#if defined(CONFIG_SH2A) - puts("CPU: SH2A\n"); -#else puts("CPU: SH2\n"); -#endif return 0; } diff --git a/arch/sh/cpu/sh3/config.mk b/arch/sh/cpu/sh3/config.mk index 5c77e5c32..abd4b8d2b 100644 --- a/arch/sh/cpu/sh3/config.mk +++ b/arch/sh/cpu/sh3/config.mk @@ -11,5 +11,5 @@ # SPDX-License-Identifier: GPL-2.0+ # # -PLATFORM_CPPFLAGS += -m3 +PLATFORM_CPPFLAGS += -DCONFIG_SH3 -m3 PLATFORM_RELFLAGS += -ffixed-r13 diff --git a/arch/sh/cpu/sh4/config.mk b/arch/sh/cpu/sh4/config.mk index c3575570e..753580beb 100644 --- a/arch/sh/cpu/sh4/config.mk +++ b/arch/sh/cpu/sh4/config.mk @@ -8,5 +8,5 @@ # SPDX-License-Identifier: GPL-2.0+ # # -PLATFORM_CPPFLAGS += -m4-nofpu +PLATFORM_CPPFLAGS += -DCONFIG_SH4 -m4-nofpu PLATFORM_RELFLAGS += -ffixed-r13 diff --git a/arch/sh/cpu/sh4/cpu.c b/arch/sh/cpu/sh4/cpu.c index 91133a38a..e8ee0a45a 100644 --- a/arch/sh/cpu/sh4/cpu.c +++ b/arch/sh/cpu/sh4/cpu.c @@ -13,11 +13,7 @@ int checkcpu(void) { -#ifdef CONFIG_SH4A - puts("CPU: SH-4A\n"); -#else puts("CPU: SH4\n"); -#endif return 0; } diff --git a/arch/sh/include/asm/cache.h b/arch/sh/include/asm/cache.h index b21dc4422..0698a3775 100644 --- a/arch/sh/include/asm/cache.h +++ b/arch/sh/include/asm/cache.h @@ -1,7 +1,7 @@ #ifndef __ASM_SH_CACHE_H #define __ASM_SH_CACHE_H -#if defined(CONFIG_SH4) || defined(CONFIG_SH4A) +#if defined(CONFIG_SH4) int cache_control(unsigned int cmd); @@ -18,7 +18,7 @@ struct __large_struct { unsigned long buf[100]; }; */ #define ARCH_DMA_MINALIGN 32 -#endif /* CONFIG_SH4 || CONFIG_SH4A */ +#endif /* CONFIG_SH4 */ /* * Use the L1 data cache line size value for the minimum DMA buffer alignment diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h index 938a89cff..b8677da95 100644 --- a/arch/sh/include/asm/processor.h +++ b/arch/sh/include/asm/processor.h @@ -1,12 +1,10 @@ #ifndef _ASM_SH_PROCESSOR_H_ #define _ASM_SH_PROCESSOR_H_ -#if defined(CONFIG_SH2) || \ - defined (CONFIG_SH2A) +#if defined(CONFIG_SH2) # include <asm/cpu_sh2.h> -#elif defined (CONFIG_SH3) +#elif defined(CONFIG_SH3) # include <asm/cpu_sh3.h> -#elif defined (CONFIG_SH4) || \ - defined (CONFIG_SH4A) +#elif defined(CONFIG_SH4) # include <asm/cpu_sh4.h> #endif #endif diff --git a/arch/sh/lib/time_sh2.c b/arch/sh/lib/time_sh2.c index be3896c3e..4b1f47b6a 100644 --- a/arch/sh/lib/time_sh2.c +++ b/arch/sh/lib/time_sh2.c @@ -84,5 +84,5 @@ void __udelay(unsigned long usec) unsigned long get_tbclk(void) { - return CONFIG_SYS_HZ; + return CONFIG_SH_CMT_CLK_FREQ; } diff --git a/common/board_f.c b/common/board_f.c index fcfd713b0..c2f47bc18 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -347,9 +347,10 @@ done: #ifdef CONFIG_SANDBOX static int setup_ram_buf(void) { - gd->arch.ram_buf = os_malloc(CONFIG_SYS_SDRAM_SIZE); - assert(gd->arch.ram_buf); - gd->ram_size = CONFIG_SYS_SDRAM_SIZE; + struct sandbox_state *state = state_get_current(); + + gd->arch.ram_buf = state->ram_buf; + gd->ram_size = state->ram_size; return 0; } @@ -772,7 +773,7 @@ static int setup_reloc(void) } /* ARM calls relocate_code from its crt0.S */ -#if !defined(CONFIG_ARM) +#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) static int jump_to_copy(void) { @@ -792,8 +793,6 @@ static int jump_to_copy(void) * (CPU cache) */ board_init_f_r_trampoline(gd->start_addr_sp); -#elif defined(CONFIG_SANDBOX) - board_init_r(gd->new_gd, 0); #else relocate_code(gd->start_addr_sp, gd->new_gd, gd->relocaddr); #endif @@ -995,7 +994,7 @@ static init_fnc_t init_sequence_f[] = { INIT_FUNC_WATCHDOG_RESET reloc_fdt, setup_reloc, -#ifndef CONFIG_ARM +#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) jump_to_copy, #endif NULL, @@ -1015,7 +1014,7 @@ void board_init_f(ulong boot_flags) if (initcall_run_list(init_sequence_f)) hang(); -#ifndef CONFIG_ARM +#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) /* NOTREACHED - jump_to_copy() does not return */ hang(); #endif diff --git a/common/cmd_sandbox.c b/common/cmd_sandbox.c index 8d59364b6..00982b164 100644 --- a/common/cmd_sandbox.c +++ b/common/cmd_sandbox.c @@ -6,6 +6,9 @@ #include <common.h> #include <fs.h> +#include <part.h> +#include <sandboxblockdev.h> +#include <asm/errno.h> static int do_sandbox_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) @@ -25,10 +28,69 @@ static int do_sandbox_save(cmd_tbl_t *cmdtp, int flag, int argc, return do_save(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX); } +static int do_sandbox_bind(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + if (argc < 2 || argc > 3) + return CMD_RET_USAGE; + char *ep; + char *dev_str = argv[1]; + char *file = argc >= 3 ? argv[2] : NULL; + int dev = simple_strtoul(dev_str, &ep, 16); + if (*ep) { + printf("** Bad device specification %s **\n", dev_str); + return CMD_RET_USAGE; + } + return host_dev_bind(dev, file); +} + +static int do_sandbox_info(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + if (argc < 1 || argc > 2) + return CMD_RET_USAGE; + int min_dev = 0; + int max_dev = CONFIG_HOST_MAX_DEVICES - 1; + if (argc >= 2) { + char *ep; + char *dev_str = argv[1]; + int dev = simple_strtoul(dev_str, &ep, 16); + if (*ep) { + printf("** Bad device specification %s **\n", dev_str); + return CMD_RET_USAGE; + } + min_dev = dev; + max_dev = dev; + } + int dev; + printf("%3s %12s %s\n", "dev", "blocks", "path"); + for (dev = min_dev; dev <= max_dev; dev++) { + block_dev_desc_t *blk_dev; + int ret; + + printf("%3d ", dev); + ret = host_get_dev_err(dev, &blk_dev); + if (ret) { + if (ret == -ENOENT) + puts("Not bound to a backing file\n"); + else if (ret == -ENODEV) + puts("Invalid host device number\n"); + + continue; + } + struct host_block_dev *host_dev = blk_dev->priv; + printf("%12lu %s\n", (unsigned long)blk_dev->lba, + host_dev->filename); + } + return 0; +} + static cmd_tbl_t cmd_sandbox_sub[] = { U_BOOT_CMD_MKENT(load, 7, 0, do_sandbox_load, "", ""), U_BOOT_CMD_MKENT(ls, 3, 0, do_sandbox_ls, "", ""), U_BOOT_CMD_MKENT(save, 6, 0, do_sandbox_save, "", ""), + U_BOOT_CMD_MKENT(bind, 3, 0, do_sandbox_bind, "", ""), + U_BOOT_CMD_MKENT(info, 3, 0, do_sandbox_info, "", ""), }; static int do_sandbox(cmd_tbl_t *cmdtp, int flag, int argc, @@ -57,4 +119,6 @@ U_BOOT_CMD( "sb ls host <filename> - list files on host\n" "sb save host <dev> <filename> <addr> <bytes> [<offset>] - " "save a file to host\n" + "sb bind <dev> [<filename>] - bind \"host\" device to file\n" + "sb info [<dev>] - show device binding & info" ); diff --git a/common/console.c b/common/console.c index cc55068c7..2dfb78888 100644 --- a/common/console.c +++ b/common/console.c @@ -8,6 +8,7 @@ #include <common.h> #include <stdarg.h> #include <malloc.h> +#include <os.h> #include <serial.h> #include <stdio_dev.h> #include <exports.h> @@ -415,6 +416,12 @@ static inline void print_pre_console_buffer(void) {} void putc(const char c) { +#ifdef CONFIG_SANDBOX + if (!gd) { + os_putc(c); + return; + } +#endif #ifdef CONFIG_SILENT_CONSOLE if (gd->flags & GD_FLG_SILENT) return; @@ -439,6 +446,13 @@ void putc(const char c) void puts(const char *s) { +#ifdef CONFIG_SANDBOX + if (!gd) { + os_puts(s); + return; + } +#endif + #ifdef CONFIG_SILENT_CONSOLE if (gd->flags & GD_FLG_SILENT) return; @@ -467,7 +481,7 @@ int printf(const char *fmt, ...) uint i; char printbuffer[CONFIG_SYS_PBSIZE]; -#ifndef CONFIG_PRE_CONSOLE_BUFFER +#if !defined(CONFIG_SANDBOX) && !defined(CONFIG_PRE_CONSOLE_BUFFER) if (!gd->have_console) return 0; #endif diff --git a/disk/part.c b/disk/part.c index d2e34cfcf..6941033d8 100644 --- a/disk/part.c +++ b/disk/part.c @@ -43,6 +43,9 @@ static const struct block_drvr block_drvr[] = { #if defined(CONFIG_SYSTEMACE) { .name = "ace", .get_dev = systemace_get_dev, }, #endif +#if defined(CONFIG_SANDBOX) + { .name = "host", .get_dev = host_get_dev, }, +#endif { }, }; @@ -286,6 +289,9 @@ static void print_part_header (const char *type, block_dev_desc_t * dev_desc) case IF_TYPE_MMC: puts ("MMC"); break; + case IF_TYPE_HOST: + puts("HOST"); + break; default: puts ("UNKNOWN"); break; diff --git a/drivers/block/Makefile b/drivers/block/Makefile index 4e9437838..8697da426 100644 --- a/drivers/block/Makefile +++ b/drivers/block/Makefile @@ -18,5 +18,6 @@ obj-$(CONFIG_SATA_DWC) += sata_dwc.o obj-$(CONFIG_SATA_SIL3114) += sata_sil3114.o obj-$(CONFIG_SATA_SIL) += sata_sil.o obj-$(CONFIG_IDE_SIL680) += sil680.o +obj-$(CONFIG_SANDBOX) += sandbox.o obj-$(CONFIG_SCSI_SYM53C8XX) += sym53c8xx.o obj-$(CONFIG_SYSTEMACE) += systemace.o diff --git a/drivers/block/sandbox.c b/drivers/block/sandbox.c new file mode 100644 index 000000000..73f4c4a9e --- /dev/null +++ b/drivers/block/sandbox.c @@ -0,0 +1,124 @@ +/* + * Copyright (C) 2013 Henrik Nordstrom <henrik@henriknordstrom.net> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <config.h> +#include <common.h> +#include <part.h> +#include <os.h> +#include <malloc.h> +#include <sandboxblockdev.h> +#include <asm/errno.h> + +static struct host_block_dev host_devices[CONFIG_HOST_MAX_DEVICES]; + +static struct host_block_dev *find_host_device(int dev) +{ + if (dev >= 0 && dev < CONFIG_HOST_MAX_DEVICES) + return &host_devices[dev]; + + return NULL; +} + +static unsigned long host_block_read(int dev, unsigned long start, + lbaint_t blkcnt, void *buffer) +{ + struct host_block_dev *host_dev = find_host_device(dev); + + if (!host_dev) + return -1; + if (os_lseek(host_dev->fd, + start * host_dev->blk_dev.blksz, + OS_SEEK_SET) == -1) { + printf("ERROR: Invalid position\n"); + return -1; + } + ssize_t len = os_read(host_dev->fd, buffer, + blkcnt * host_dev->blk_dev.blksz); + if (len >= 0) + return len / host_dev->blk_dev.blksz; + return -1; +} + +static unsigned long host_block_write(int dev, unsigned long start, + lbaint_t blkcnt, const void *buffer) +{ + struct host_block_dev *host_dev = find_host_device(dev); + if (os_lseek(host_dev->fd, + start * host_dev->blk_dev.blksz, + OS_SEEK_SET) == -1) { + printf("ERROR: Invalid position\n"); + return -1; + } + ssize_t len = os_write(host_dev->fd, buffer, blkcnt * + host_dev->blk_dev.blksz); + if (len >= 0) + return len / host_dev->blk_dev.blksz; + return -1; +} + +int host_dev_bind(int dev, char *filename) +{ + struct host_block_dev *host_dev = find_host_device(dev); + + if (!host_dev) + return -1; + if (host_dev->blk_dev.priv) { + os_close(host_dev->fd); + host_dev->blk_dev.priv = NULL; + } + if (host_dev->filename) + free(host_dev->filename); + if (filename && *filename) { + host_dev->filename = strdup(filename); + } else { + host_dev->filename = NULL; + return 0; + } + + host_dev->fd = os_open(host_dev->filename, OS_O_RDWR); + if (host_dev->fd == -1) { + printf("Failed to access host backing file '%s'\n", + host_dev->filename); + return 1; + } + + block_dev_desc_t *blk_dev = &host_dev->blk_dev; + blk_dev->if_type = IF_TYPE_HOST; + blk_dev->priv = host_dev; + blk_dev->blksz = 512; + blk_dev->lba = os_lseek(host_dev->fd, 0, OS_SEEK_END) / blk_dev->blksz; + blk_dev->block_read = host_block_read; + blk_dev->block_write = host_block_write; + blk_dev->dev = dev; + blk_dev->part_type = PART_TYPE_UNKNOWN; + init_part(blk_dev); + + return 0; +} + +int host_get_dev_err(int dev, block_dev_desc_t **blk_devp) +{ + struct host_block_dev *host_dev = find_host_device(dev); + + if (!host_dev) + return -ENODEV; + + if (!host_dev->blk_dev.priv) + return -ENOENT; + + *blk_devp = &host_dev->blk_dev; + return 0; +} + +block_dev_desc_t *host_get_dev(int dev) +{ + block_dev_desc_t *blk_dev; + + if (host_get_dev_err(dev, &blk_dev)) + return NULL; + + return blk_dev; +} diff --git a/drivers/tpm/Makefile b/drivers/tpm/Makefile index 2f2353f80..150570ee7 100644 --- a/drivers/tpm/Makefile +++ b/drivers/tpm/Makefile @@ -8,3 +8,4 @@ obj-$(CONFIG_TPM_ATMEL_TWI) += tpm_atmel_twi.o obj-$(CONFIG_TPM_TIS_I2C) += tpm.o obj-$(CONFIG_TPM_TIS_I2C) += tpm_tis_i2c.o obj-$(CONFIG_TPM_TIS_LPC) += tpm_tis_lpc.o +obj-$(CONFIG_TPM_TIS_SANDBOX) += tpm_tis_sandbox.o diff --git a/drivers/tpm/tpm_tis_sandbox.c b/drivers/tpm/tpm_tis_sandbox.c new file mode 100644 index 000000000..ed4b03912 --- /dev/null +++ b/drivers/tpm/tpm_tis_sandbox.c @@ -0,0 +1,260 @@ +/* + * Copyright (c) 2013 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/state.h> +#include <asm/unaligned.h> +#include <linux/crc8.h> + +/* TPM NVRAM location indices. */ +#define FIRMWARE_NV_INDEX 0x1007 +#define KERNEL_NV_INDEX 0x1008 + +#define NV_DATA_PUBLIC_PERMISSIONS_OFFSET 60 + +/* Kernel TPM space - KERNEL_NV_INDEX, locked with physical presence */ +#define ROLLBACK_SPACE_KERNEL_VERSION 2 +#define ROLLBACK_SPACE_KERNEL_UID 0x4752574C /* 'GRWL' */ + +struct rollback_space_kernel { + /* Struct version, for backwards compatibility */ + uint8_t struct_version; + /* Unique ID to detect space redefinition */ + uint32_t uid; + /* Kernel versions */ + uint32_t kernel_versions; + /* Reserved for future expansion */ + uint8_t reserved[3]; + /* Checksum (v2 and later only) */ + uint8_t crc8; +} __packed rollback_space_kernel; + +/* + * These numbers derive from adding the sizes of command fields as shown in + * the TPM commands manual. + */ +#define TPM_REQUEST_HEADER_LENGTH 10 +#define TPM_RESPONSE_HEADER_LENGTH 10 + +/* These are the different non-volatile spaces that we emulate */ +enum { + NV_GLOBAL_LOCK, + NV_SEQ_FIRMWARE, + NV_SEQ_KERNEL, + NV_SEQ_COUNT, +}; + +/* Size of each non-volatile space */ +#define NV_DATA_SIZE 0x20 + +/* + * Information about our TPM emulation. This is preserved in the sandbox + * state file if enabled. + */ +static struct tpm_state { + uint8_t nvdata[NV_SEQ_COUNT][NV_DATA_SIZE]; +} state; + +/** + * sandbox_tpm_read_state() - read the sandbox EC state from the state file + * + * If data is available, then blob and node will provide access to it. If + * not this function sets up an empty TPM. + * + * @blob: Pointer to device tree blob, or NULL if no data to read + * @node: Node offset to read from + */ +static int sandbox_tpm_read_state(const void *blob, int node) +{ + const char *prop; + int len; + int i; + + if (!blob) + return 0; + + for (i = 0; i < NV_SEQ_COUNT; i++) { + char prop_name[20]; + + sprintf(prop_name, "nvdata%d", i); + prop = fdt_getprop(blob, node, prop_name, &len); + if (prop && len == NV_DATA_SIZE) + memcpy(state.nvdata[i], prop, NV_DATA_SIZE); + } + + return 0; +} + +/** + * cros_ec_write_state() - Write out our state to the state file + * + * The caller will ensure that there is a node ready for the state. The node + * may already contain the old state, in which case it is overridden. + * + * @blob: Device tree blob holding state + * @node: Node to write our state into + */ +static int sandbox_tpm_write_state(void *blob, int node) +{ + int i; + + /* + * We are guaranteed enough space to write basic properties. + * We could use fdt_add_subnode() to put each set of data in its + * own node - perhaps useful if we add access informaiton to each. + */ + for (i = 0; i < NV_SEQ_COUNT; i++) { + char prop_name[20]; + + sprintf(prop_name, "nvdata%d", i); + fdt_setprop(blob, node, prop_name, state.nvdata[i], + NV_DATA_SIZE); + } + + return 0; +} + +SANDBOX_STATE_IO(sandbox_tpm, "google,sandbox-tpm", sandbox_tpm_read_state, + sandbox_tpm_write_state); + +static int index_to_seq(uint32_t index) +{ + switch (index) { + case FIRMWARE_NV_INDEX: + return NV_SEQ_FIRMWARE; + case KERNEL_NV_INDEX: + return NV_SEQ_KERNEL; + case 0: + return NV_GLOBAL_LOCK; + } + + printf("Invalid nv index %#x\n", index); + return -1; +} + +int tis_sendrecv(const u8 *sendbuf, size_t send_size, + u8 *recvbuf, size_t *recv_len) +{ + struct tpm_state *tpm = &state; + uint32_t code, index, length, type; + uint8_t *data; + int seq; + + code = get_unaligned_be32(sendbuf + sizeof(uint16_t) + + sizeof(uint32_t)); + printf("tpm: %zd bytes, recv_len %zd, cmd = %x\n", send_size, + *recv_len, code); + print_buffer(0, sendbuf, 1, send_size, 0); + switch (code) { + case 0x65: /* get flags */ + type = get_unaligned_be32(sendbuf + 14); + switch (type) { + case 4: + index = get_unaligned_be32(sendbuf + 18); + printf("Get flags index %#02x\n", index); + *recv_len = 22; + memset(recvbuf, '\0', *recv_len); + put_unaligned_be32(22, recvbuf + + TPM_RESPONSE_HEADER_LENGTH); + data = recvbuf + TPM_RESPONSE_HEADER_LENGTH + + sizeof(uint32_t); + switch (index) { + case FIRMWARE_NV_INDEX: + break; + case KERNEL_NV_INDEX: + /* TPM_NV_PER_PPWRITE */ + put_unaligned_be32(1, data + + NV_DATA_PUBLIC_PERMISSIONS_OFFSET); + break; + } + break; + case 0x11: /* TPM_CAP_NV_INDEX */ + index = get_unaligned_be32(sendbuf + 18); + printf("Get cap nv index %#02x\n", index); + put_unaligned_be32(22, recvbuf + + TPM_RESPONSE_HEADER_LENGTH); + break; + default: + printf(" ** Unknown 0x65 command type %#02x\n", + type); + return -1; + } + break; + case 0xcd: /* nvwrite */ + index = get_unaligned_be32(sendbuf + 10); + length = get_unaligned_be32(sendbuf + 18); + seq = index_to_seq(index); + if (seq < 0) + return -1; + printf("tpm: nvwrite index=%#02x, len=%#02x\n", index, length); + memcpy(&tpm->nvdata[seq], sendbuf + 22, length); + *recv_len = 12; + memset(recvbuf, '\0', *recv_len); + break; + case 0xcf: /* nvread */ + index = get_unaligned_be32(sendbuf + 10); + length = get_unaligned_be32(sendbuf + 18); + seq = index_to_seq(index); + if (seq < 0) + return -1; + printf("tpm: nvread index=%#02x, len=%#02x\n", index, length); + *recv_len = TPM_RESPONSE_HEADER_LENGTH + sizeof(uint32_t) + + length; + memset(recvbuf, '\0', *recv_len); + put_unaligned_be32(length, recvbuf + + TPM_RESPONSE_HEADER_LENGTH); + if (seq == NV_SEQ_KERNEL) { + struct rollback_space_kernel rsk; + + data = recvbuf + TPM_RESPONSE_HEADER_LENGTH + + sizeof(uint32_t); + rsk.struct_version = 2; + rsk.uid = ROLLBACK_SPACE_KERNEL_UID; + rsk.kernel_versions = 0; + rsk.crc8 = crc8((unsigned char *)&rsk, + offsetof(struct rollback_space_kernel, + crc8)); + memcpy(data, &rsk, sizeof(rsk)); + } else { + memcpy(recvbuf + TPM_RESPONSE_HEADER_LENGTH + + sizeof(uint32_t), &tpm->nvdata[seq], length); + } + break; + case 0x14: /* tpm extend */ + case 0x15: /* pcr read */ + case 0x5d: /* force clear */ + case 0x6f: /* physical enable */ + case 0x72: /* physical set deactivated */ + case 0x99: /* startup */ + case 0x4000000a: /* assert physical presence */ + *recv_len = 12; + memset(recvbuf, '\0', *recv_len); + break; + default: + printf("Unknown tpm command %02x\n", code); + return -1; + } + + return 0; +} + +int tis_open(void) +{ + printf("%s\n", __func__); + return 0; +} + +int tis_close(void) +{ + printf("%s\n", __func__); + return 0; +} + +int tis_init(void) +{ + printf("%s\n", __func__); + return 0; +} diff --git a/include/config_fallbacks.h b/include/config_fallbacks.h index 3633b09aa..d8339b26c 100644 --- a/include/config_fallbacks.h +++ b/include/config_fallbacks.h @@ -50,7 +50,8 @@ defined(CONFIG_CMD_PART) || \ defined(CONFIG_CMD_GPT) || \ defined(CONFIG_MMC) || \ - defined(CONFIG_SYSTEMACE) + defined(CONFIG_SYSTEMACE) || \ + defined(CONFIG_SANDBOX) #define HAVE_BLOCK_DEVICE #endif diff --git a/include/configs/MigoR.h b/include/configs/MigoR.h index 9fd455142..88df94f11 100644 --- a/include/configs/MigoR.h +++ b/include/configs/MigoR.h @@ -10,8 +10,6 @@ #define __MIGO_R_H #undef DEBUG -#define CONFIG_SH 1 -#define CONFIG_SH4 1 #define CONFIG_CPU_SH7722 1 #define CONFIG_MIGO_R 1 diff --git a/include/configs/ap325rxa.h b/include/configs/ap325rxa.h index 933de52c5..462b2e291 100644 --- a/include/configs/ap325rxa.h +++ b/include/configs/ap325rxa.h @@ -11,8 +11,6 @@ #define __AP325RXA_H #undef DEBUG -#define CONFIG_SH 1 -#define CONFIG_SH4 1 #define CONFIG_CPU_SH7723 1 #define CONFIG_AP325RXA 1 diff --git a/include/configs/ap_sh4a_4a.h b/include/configs/ap_sh4a_4a.h index 83a5c37e4..bb39491f8 100644 --- a/include/configs/ap_sh4a_4a.h +++ b/include/configs/ap_sh4a_4a.h @@ -10,9 +10,6 @@ #define __AP_SH4A_4A_H #undef DEBUG -#define CONFIG_SH 1 -#define CONFIG_SH4 1 -#define CONFIG_SH4A 1 #define CONFIG_CPU_SH7734 1 #define CONFIG_AP_SH4A_4A 1 #define CONFIG_400MHZ_MODE 1 diff --git a/include/configs/ecovec.h b/include/configs/ecovec.h index 3483cf1f5..3a5cc7482 100644 --- a/include/configs/ecovec.h +++ b/include/configs/ecovec.h @@ -23,9 +23,6 @@ */ #undef DEBUG -#define CONFIG_SH 1 -#define CONFIG_SH4 1 -#define CONFIG_SH4A 1 #define CONFIG_CPU_SH7724 1 #define CONFIG_BOARD_LATE_INIT 1 #define CONFIG_ECOVEC 1 diff --git a/include/configs/espt.h b/include/configs/espt.h index 1bd7eeceb..de16be70b 100644 --- a/include/configs/espt.h +++ b/include/configs/espt.h @@ -10,8 +10,6 @@ #ifndef __ESPT_H #define __ESPT_H -#define CONFIG_SH 1 -#define CONFIG_SH4 1 #define CONFIG_CPU_SH7763 1 #define CONFIG_ESPT 1 #define __LITTLE_ENDIAN 1 diff --git a/include/configs/mpr2.h b/include/configs/mpr2.h index fcf237edb..8ae497c6d 100644 --- a/include/configs/mpr2.h +++ b/include/configs/mpr2.h @@ -24,8 +24,6 @@ #define CONFIG_VERSION_VARIABLE /* CPU and platform */ -#define CONFIG_SH 1 -#define CONFIG_SH3 1 #define CONFIG_CPU_SH7720 1 #define CONFIG_MPR2 1 diff --git a/include/configs/ms7720se.h b/include/configs/ms7720se.h index ec8523eb9..585d68f20 100644 --- a/include/configs/ms7720se.h +++ b/include/configs/ms7720se.h @@ -9,8 +9,6 @@ #ifndef __MS7720SE_H #define __MS7720SE_H -#define CONFIG_SH 1 -#define CONFIG_SH3 1 #define CONFIG_CPU_SH7720 1 #define CONFIG_MS7720SE 1 diff --git a/include/configs/ms7722se.h b/include/configs/ms7722se.h index 54fb7c3e8..1c8ada6c0 100644 --- a/include/configs/ms7722se.h +++ b/include/configs/ms7722se.h @@ -9,8 +9,6 @@ #ifndef __MS7722SE_H #define __MS7722SE_H -#define CONFIG_SH 1 -#define CONFIG_SH4 1 #define CONFIG_CPU_SH7722 1 #define CONFIG_MS7722SE 1 diff --git a/include/configs/ms7750se.h b/include/configs/ms7750se.h index eea3bd1f2..4cf8efeca 100644 --- a/include/configs/ms7750se.h +++ b/include/configs/ms7750se.h @@ -9,8 +9,6 @@ #ifndef __MS7750SE_H #define __MS7750SE_H -#define CONFIG_SH 1 -#define CONFIG_SH4 1 #define CONFIG_CPU_SH7750 1 /* #define CONFIG_CPU_SH7751 1 */ /* #define CONFIG_CPU_TYPE_R 1 */ diff --git a/include/configs/r0p7734.h b/include/configs/r0p7734.h index dd26a71bc..53128ecc1 100644 --- a/include/configs/r0p7734.h +++ b/include/configs/r0p7734.h @@ -10,9 +10,6 @@ #define __R0P7734_H #undef DEBUG -#define CONFIG_SH 1 -#define CONFIG_SH4 1 -#define CONFIG_SH4A 1 #define CONFIG_CPU_SH7734 1 #define CONFIG_R0P7734 1 #define CONFIG_400MHZ_MODE 1 diff --git a/include/configs/r2dplus.h b/include/configs/r2dplus.h index ddcc97587..24d0c34db 100644 --- a/include/configs/r2dplus.h +++ b/include/configs/r2dplus.h @@ -3,8 +3,6 @@ #undef DEBUG -#define CONFIG_SH 1 -#define CONFIG_SH4 1 #define CONFIG_CPU_SH7751 1 #define CONFIG_CPU_SH_TYPE_R 1 #define CONFIG_R2DPLUS 1 diff --git a/include/configs/r7780mp.h b/include/configs/r7780mp.h index f5e4daab8..8156724f7 100644 --- a/include/configs/r7780mp.h +++ b/include/configs/r7780mp.h @@ -11,8 +11,6 @@ #define __R7780RP_H #undef DEBUG -#define CONFIG_SH 1 -#define CONFIG_SH4A 1 #define CONFIG_CPU_SH7780 1 #define CONFIG_R7780MP 1 #define CONFIG_SYS_R7780MP_OLD_FLASH 1 diff --git a/include/configs/rsk7203.h b/include/configs/rsk7203.h index acee4e898..543632458 100644 --- a/include/configs/rsk7203.h +++ b/include/configs/rsk7203.h @@ -11,8 +11,6 @@ #define __RSK7203_H #undef DEBUG -#define CONFIG_SH 1 -#define CONFIG_SH2 1 #define CONFIG_SH2A 1 #define CONFIG_CPU_SH7203 1 #define CONFIG_RSK7203 1 @@ -87,7 +85,7 @@ #define CONFIG_SH_TMU_CLK_FREQ CONFIG_SYS_CLK_FREQ #define CONFIG_SH_SCIF_CLK_FREQ CONFIG_SYS_CLK_FREQ #define CMT_CLK_DIVIDER 32 /* 8 (default), 32, 128 or 512 */ -#define CONFIG_SYS_HZ (CONFIG_SYS_CLK_FREQ / CMT_CLK_DIVIDER) +#define CONFIG_SH_CMT_CLK_FREQ (CONFIG_SYS_CLK_FREQ / CMT_CLK_DIVIDER) /* Network interface */ #define CONFIG_SMC911X diff --git a/include/configs/rsk7264.h b/include/configs/rsk7264.h index a5dbb64f4..4aaa3ef74 100644 --- a/include/configs/rsk7264.h +++ b/include/configs/rsk7264.h @@ -12,8 +12,6 @@ #define __RSK7264_H #undef DEBUG -#define CONFIG_SH 1 -#define CONFIG_SH2 1 #define CONFIG_SH2A 1 #define CONFIG_CPU_SH7264 1 #define CONFIG_RSK7264 1 @@ -67,7 +65,7 @@ #define CONFIG_SH_TMU_CLK_FREQ CONFIG_SYS_CLK_FREQ #define CONFIG_SH_SCIF_CLK_FREQ CONFIG_SYS_CLK_FREQ #define CMT_CLK_DIVIDER 32 /* 8 (default), 32, 128 or 512 */ -#define CONFIG_SYS_HZ (CONFIG_SYS_CLK_FREQ / CMT_CLK_DIVIDER) +#define CONFIG_SH_CMT_CLK_FREQ (CONFIG_SYS_CLK_FREQ / CMT_CLK_DIVIDER) /* Network interface */ #define CONFIG_SMC911X diff --git a/include/configs/rsk7269.h b/include/configs/rsk7269.h index 9f54160af..11fc231fa 100644 --- a/include/configs/rsk7269.h +++ b/include/configs/rsk7269.h @@ -11,8 +11,6 @@ #define __RSK7269_H #undef DEBUG -#define CONFIG_SH 1 -#define CONFIG_SH2 1 #define CONFIG_SH2A 1 #define CONFIG_CPU_SH7269 1 #define CONFIG_RSK7269 1 @@ -66,7 +64,7 @@ #define CONFIG_SH_TMU_CLK_FREQ CONFIG_SYS_CLK_FREQ #define CONFIG_SH_SCIF_CLK_FREQ CONFIG_SYS_CLK_FREQ #define CMT_CLK_DIVIDER 32 /* 8 (default), 32, 128 or 512 */ -#define CONFIG_SYS_HZ (CONFIG_SYS_CLK_FREQ / CMT_CLK_DIVIDER) +#define CONFIG_SH_CMT_CLK_FREQ (CONFIG_SYS_CLK_FREQ / CMT_CLK_DIVIDER) /* Network interface */ #define CONFIG_SMC911X diff --git a/include/configs/sandbox.h b/include/configs/sandbox.h index 7e78a231d..a6d55822b 100644 --- a/include/configs/sandbox.h +++ b/include/configs/sandbox.h @@ -39,6 +39,9 @@ #define CONFIG_CMD_FAT #define CONFIG_CMD_EXT4 #define CONFIG_CMD_EXT4_WRITE +#define CONFIG_CMD_PART +#define CONFIG_DOS_PARTITION +#define CONFIG_HOST_MAX_DEVICES 4 #define CONFIG_SYS_VSNPRINTF @@ -126,4 +129,6 @@ #define CONFIG_LZO #define CONFIG_LZMA +#define CONFIG_TPM_TIS_SANDBOX + #endif diff --git a/include/configs/sh7752evb.h b/include/configs/sh7752evb.h index ebdc5c8b0..f06abbca0 100644 --- a/include/configs/sh7752evb.h +++ b/include/configs/sh7752evb.h @@ -10,8 +10,6 @@ #define __SH7752EVB_H #undef DEBUG -#define CONFIG_SH 1 -#define CONFIG_SH4A 1 #define CONFIG_SH_32BIT 1 #define CONFIG_CPU_SH7752 1 #define CONFIG_SH7752EVB 1 diff --git a/include/configs/sh7753evb.h b/include/configs/sh7753evb.h index f7eb86d1d..e400db08a 100644 --- a/include/configs/sh7753evb.h +++ b/include/configs/sh7753evb.h @@ -10,8 +10,6 @@ #define __SH7753EVB_H #undef DEBUG -#define CONFIG_SH 1 -#define CONFIG_SH4A 1 #define CONFIG_SH_32BIT 1 #define CONFIG_CPU_SH7753 1 #define CONFIG_SH7753EVB 1 diff --git a/include/configs/sh7757lcr.h b/include/configs/sh7757lcr.h index ce1add268..08bff1da3 100644 --- a/include/configs/sh7757lcr.h +++ b/include/configs/sh7757lcr.h @@ -10,8 +10,6 @@ #define __SH7757LCR_H #undef DEBUG -#define CONFIG_SH 1 -#define CONFIG_SH4A 1 #define CONFIG_SH_32BIT 1 #define CONFIG_CPU_SH7757 1 #define CONFIG_SH7757LCR 1 diff --git a/include/configs/sh7763rdp.h b/include/configs/sh7763rdp.h index a13778830..2438318fc 100644 --- a/include/configs/sh7763rdp.h +++ b/include/configs/sh7763rdp.h @@ -10,8 +10,6 @@ #ifndef __SH7763RDP_H #define __SH7763RDP_H -#define CONFIG_SH 1 -#define CONFIG_SH4 1 #define CONFIG_CPU_SH7763 1 #define CONFIG_SH7763RDP 1 #define __LITTLE_ENDIAN 1 diff --git a/include/configs/sh7785lcr.h b/include/configs/sh7785lcr.h index 4acbcab1b..2723eaf2d 100644 --- a/include/configs/sh7785lcr.h +++ b/include/configs/sh7785lcr.h @@ -10,8 +10,6 @@ #define __SH7785LCR_H #undef DEBUG -#define CONFIG_SH 1 -#define CONFIG_SH4A 1 #define CONFIG_CPU_SH7785 1 #define CONFIG_SH7785LCR 1 diff --git a/include/configs/shmin.h b/include/configs/shmin.h index 5c990fc96..f8155efbc 100644 --- a/include/configs/shmin.h +++ b/include/configs/shmin.h @@ -9,8 +9,6 @@ #ifndef __SHMIN_H #define __SHMIN_H -#define CONFIG_SH 1 -#define CONFIG_SH3 1 #define CONFIG_CPU_SH7706 1 /* T-SH7706LAN */ #define CONFIG_SHMIN 1 diff --git a/include/linux/crc8.h b/include/linux/crc8.h new file mode 100644 index 000000000..b5fd2ac9d --- /dev/null +++ b/include/linux/crc8.h @@ -0,0 +1,23 @@ +/* + * Copyright (c) 2013 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + + +#ifndef __linux_crc8_h +#define __linux_crc8_h + +/** + * crc8() - Calculate and return CRC-8 of the data + * + * This uses an x^8 + x^2 + x + 1 polynomial. A table-based algorithm would + * be faster, but for only a few bytes it isn't worth the code size + * + * @vptr: Buffer to checksum + * @len: Length of buffer in bytes + * @return CRC8 checksum + */ +unsigned int crc8(const unsigned char *vptr, int len); + +#endif diff --git a/include/os.h b/include/os.h index 950433daa..b65fba430 100644 --- a/include/os.h +++ b/include/os.h @@ -107,6 +107,35 @@ void os_tty_raw(int fd); void *os_malloc(size_t length); /** + * Free memory previous allocated with os_malloc()/os_realloc() + * + * This returns the memory to the OS. + * + * \param ptr Pointer to memory block to free + */ +void *os_free(void *ptr); + +/** + * Reallocate previously-allocated memory to increase/decrease space + * + * This works in a similar way to the C library realloc() function. If + * length is 0, then ptr is freed. Otherwise the space used by ptr is + * expanded or reduced depending on whether length is larger or smaller + * than before. + * + * If ptr is NULL, then this is similar to calling os_malloc(). + * + * This function may need to move the memory block to make room for any + * extra space, in which case the new pointer is returned. + * + * \param ptr Pointer to memory block to reallocate + * \param length New length for memory block + * \return pointer to new memory block, or NULL on failure or if length + * is 0. + */ +void *os_realloc(void *ptr, size_t length); + +/** * Access to the usleep function of the os * * \param usec Time to sleep in micro seconds @@ -180,4 +209,40 @@ const char *os_dirent_get_typename(enum os_dirent_t type); */ ssize_t os_get_filesize(const char *fname); +/** + * Write a character to the controlling OS terminal + * + * This bypasses the U-Boot console support and writes directly to the OS + * stdout file descriptor. + * + * @param ch Character to write + */ +void os_putc(int ch); + +/** + * Write a string to the controlling OS terminal + * + * This bypasses the U-Boot console support and writes directly to the OS + * stdout file descriptor. + * + * @param str String to write (note that \n is not appended) + */ +void os_puts(const char *str); + +/** + * Write the sandbox RAM buffer to a existing file + * + * @param fname Filename to write memory to (simple binary format) + * @return 0 if OK, -ve on error + */ +int os_write_ram_buf(const char *fname); + +/** + * Read the sandbox RAM buffer from an existing file + * + * @param fname Filename containing memory (simple binary format) + * @return 0 if OK, -ve on error + */ +int os_read_ram_buf(const char *fname); + #endif diff --git a/include/part.h b/include/part.h index ce840bd84..4beb6db89 100644 --- a/include/part.h +++ b/include/part.h @@ -58,6 +58,8 @@ typedef struct block_dev_desc { #define IF_TYPE_MMC 6 #define IF_TYPE_SD 7 #define IF_TYPE_SATA 8 +#define IF_TYPE_HOST 9 +#define IF_TYPE_MAX 10 /* Max number of IF_TYPE_* supported */ /* Part types */ #define PART_TYPE_UNKNOWN 0x00 @@ -102,6 +104,8 @@ block_dev_desc_t* usb_stor_get_dev(int dev); block_dev_desc_t* mmc_get_dev(int dev); block_dev_desc_t* systemace_get_dev(int dev); block_dev_desc_t* mg_disk_get_dev(int dev); +block_dev_desc_t *host_get_dev(int dev); +int host_get_dev_err(int dev, block_dev_desc_t **blk_devp); /* disk/part.c */ int get_partition_info (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); @@ -123,6 +127,7 @@ static inline block_dev_desc_t* usb_stor_get_dev(int dev) { return NULL; } static inline block_dev_desc_t* mmc_get_dev(int dev) { return NULL; } static inline block_dev_desc_t* systemace_get_dev(int dev) { return NULL; } static inline block_dev_desc_t* mg_disk_get_dev(int dev) { return NULL; } +static inline block_dev_desc_t *host_get_dev(int dev) { return NULL; } static inline int get_partition_info (block_dev_desc_t * dev_desc, int part, disk_partition_t *info) { return -1; } diff --git a/include/sandboxblockdev.h b/include/sandboxblockdev.h new file mode 100644 index 000000000..627787aa3 --- /dev/null +++ b/include/sandboxblockdev.h @@ -0,0 +1,18 @@ +/* + * Copyright (c) 2013, Henrik Nordstrom <henrik@henriknordstrom.net> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __SANDBOX_BLOCK_DEV__ +#define __SANDBOX_BLOCK_DEV__ + +struct host_block_dev { + block_dev_desc_t blk_dev; + char *filename; + int fd; +}; + +int host_dev_bind(int dev, char *filename); + +#endif diff --git a/include/sh_tmu.h b/include/sh_tmu.h index f5b42faea..61afc7136 100644 --- a/include/sh_tmu.h +++ b/include/sh_tmu.h @@ -47,7 +47,7 @@ struct tmu_regs { }; #endif /* CONFIG_SH3 */ -#if defined(CONFIG_SH4) || defined(CONFIG_SH4A) || defined(CONFIG_RMOBILE) +#if defined(CONFIG_SH4) || defined(CONFIG_RMOBILE) struct tmu_regs { u32 reserved; u8 tstr; diff --git a/lib/Makefile b/lib/Makefile index e787f77be..760340fbd 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -21,6 +21,7 @@ obj-$(CONFIG_BZIP2) += bzlib_randtable.o obj-$(CONFIG_BZIP2) += bzlib_huffman.o obj-$(CONFIG_USB_TTY) += circbuf.o obj-y += crc7.o +obj-y += crc8.o obj-y += crc16.o obj-$(CONFIG_OF_CONTROL) += fdtdec.o obj-$(CONFIG_TEST_FDTDEC) += fdtdec_test.o diff --git a/lib/crc8.c b/lib/crc8.c new file mode 100644 index 000000000..8b68a29e4 --- /dev/null +++ b/lib/crc8.c @@ -0,0 +1,25 @@ +/* + * Copyright (c) 2013 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include "linux/crc8.h" + +unsigned int crc8(const unsigned char *vptr, int len) +{ + const unsigned char *data = vptr; + unsigned int crc = 0; + int i, j; + + for (j = len; j; j--, data++) { + crc ^= (*data << 8); + for (i = 8; i; i--) { + if (crc & 0x8000) + crc ^= (0x1070 << 3); + crc <<= 1; + } + } + + return (crc >> 8) & 0xff; +} |