diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig | 1 | ||||
| -rw-r--r-- | lib/Makefile | 5 | ||||
| -rw-r--r-- | lib/efi_loader/Kconfig | 9 | ||||
| -rw-r--r-- | lib/efi_loader/Makefile | 1 | ||||
| -rw-r--r-- | lib/efi_loader/efi_boottime.c | 27 | ||||
| -rw-r--r-- | lib/efi_loader/efi_disk.c | 137 | ||||
| -rw-r--r-- | lib/efi_loader/efi_gop.c | 60 | ||||
| -rw-r--r-- | lib/efi_loader/efi_memory.c | 73 | ||||
| -rw-r--r-- | lib/efi_loader/efi_net.c | 291 | ||||
| -rw-r--r-- | lib/efi_loader/efi_runtime.c | 30 | ||||
| -rw-r--r-- | lib/fdtdec.c | 1 | ||||
| -rw-r--r-- | lib/string.c | 24 | ||||
| -rw-r--r-- | lib/tiny-printf.c | 55 |
13 files changed, 605 insertions, 109 deletions
diff --git a/lib/Kconfig b/lib/Kconfig index 2b97c2b0a47..02ca4058d37 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -14,6 +14,7 @@ config HAVE_PRIVATE_LIBGCC config USE_PRIVATE_LIBGCC bool "Use private libgcc" depends on HAVE_PRIVATE_LIBGCC + default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS) help This option allows you to use the built-in libgcc implementation of U-Boot instead of the one provided by the compiler. diff --git a/lib/Makefile b/lib/Makefile index 02dfa295073..f77befe03c2 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -42,7 +42,6 @@ obj-y += rc4.o obj-$(CONFIG_SHA1) += sha1.o obj-$(CONFIG_SUPPORT_EMMC_RPMB) += sha256.o obj-$(CONFIG_SHA256) += sha256.o -obj-y += strmhz.o obj-$(CONFIG_TPM) += tpm.o obj-$(CONFIG_RBTREE) += rbtree.o obj-$(CONFIG_BITREVERSE) += bitrev.o @@ -85,11 +84,11 @@ ifdef CONFIG_SPL_BUILD ifdef CONFIG_USE_TINY_PRINTF obj-$(CONFIG_SPL_SERIAL_SUPPORT) += tiny-printf.o panic.o strto.o else -obj-$(CONFIG_SPL_SERIAL_SUPPORT) += vsprintf.o panic.o strto.o +obj-$(CONFIG_SPL_SERIAL_SUPPORT) += vsprintf.o panic.o strto.o strmhz.o endif else # Main U-Boot always uses the full printf support -obj-y += vsprintf.o panic.o strto.o +obj-y += vsprintf.o panic.o strto.o strmhz.o endif subdir-ccflags-$(CONFIG_CC_OPTIMIZE_LIBS_FOR_SPEED) += -O2 diff --git a/lib/efi_loader/Kconfig b/lib/efi_loader/Kconfig index 14c99ec9cf9..37a0dd60a5e 100644 --- a/lib/efi_loader/Kconfig +++ b/lib/efi_loader/Kconfig @@ -7,3 +7,12 @@ config EFI_LOADER on top of U-Boot. If this option is enabled, U-Boot will expose EFI interfaces to a loaded EFI application, enabling it to reuse U-Boot's device drivers. + +config EFI_LOADER_BOUNCE_BUFFER + bool "EFI Applications use bounce buffers for DMA operations" + depends on EFI_LOADER && ARM64 + default n + help + Some hardware does not support DMA to full 64bit addresses. For this + hardware we can create a bounce buffer so that payloads don't have to + worry about platform details. diff --git a/lib/efi_loader/Makefile b/lib/efi_loader/Makefile index 83e31f6d1f6..2a3849e31b9 100644 --- a/lib/efi_loader/Makefile +++ b/lib/efi_loader/Makefile @@ -11,3 +11,4 @@ obj-y += efi_image_loader.o efi_boottime.o efi_runtime.o efi_console.o obj-y += efi_memory.o obj-$(CONFIG_LCD) += efi_gop.o obj-$(CONFIG_PARTITIONS) += efi_disk.o +obj-$(CONFIG_NET) += efi_net.o diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c index 9daca50a72f..be6f5e81124 100644 --- a/lib/efi_loader/efi_boottime.c +++ b/lib/efi_loader/efi_boottime.c @@ -6,8 +6,6 @@ * SPDX-License-Identifier: GPL-2.0+ */ -/* #define DEBUG_EFI */ - #include <common.h> #include <efi_loader.h> #include <malloc.h> @@ -76,9 +74,7 @@ efi_status_t efi_exit_func(efi_status_t ret) static efi_status_t efi_unsupported(const char *funcname) { -#ifdef DEBUG_EFI - printf("EFI: App called into unimplemented function %s\n", funcname); -#endif + debug("EFI: App called into unimplemented function %s\n", funcname); return EFI_EXIT(EFI_UNSUPPORTED); } @@ -458,19 +454,30 @@ static efi_status_t EFIAPI efi_start_image(efi_handle_t image_handle, efi_is_direct_boot = false; /* call the image! */ + if (setjmp(&info->exit_jmp)) { + /* We returned from the child image */ + return EFI_EXIT(info->exit_status); + } + entry(image_handle, &systab); /* Should usually never get here */ return EFI_EXIT(EFI_SUCCESS); } -static efi_status_t EFIAPI efi_exit(void *image_handle, long exit_status, - unsigned long exit_data_size, - uint16_t *exit_data) +static efi_status_t EFIAPI efi_exit(efi_handle_t image_handle, + efi_status_t exit_status, unsigned long exit_data_size, + int16_t *exit_data) { + struct efi_loaded_image *loaded_image_info = (void*)image_handle; + EFI_ENTRY("%p, %ld, %ld, %p", image_handle, exit_status, exit_data_size, exit_data); - return EFI_EXIT(efi_unsupported(__func__)); + + loaded_image_info->exit_status = exit_status; + longjmp(&loaded_image_info->exit_jmp); + + panic("EFI application exited"); } static struct efi_object *efi_search_obj(void *handle) @@ -746,7 +753,7 @@ static const struct efi_boot_services efi_boot_services = { .install_configuration_table = efi_install_configuration_table, .load_image = efi_load_image, .start_image = efi_start_image, - .exit = (void*)efi_exit, + .exit = efi_exit, .unload_image = efi_unload_image, .exit_boot_services = efi_exit_boot_services, .get_next_monotonic_count = efi_get_next_monotonic_count, diff --git a/lib/efi_loader/efi_disk.c b/lib/efi_loader/efi_disk.c index 075fd340145..c434c92250a 100644 --- a/lib/efi_loader/efi_disk.c +++ b/lib/efi_loader/efi_disk.c @@ -8,6 +8,7 @@ #include <common.h> #include <blk.h> +#include <dm.h> #include <efi_loader.h> #include <inttypes.h> #include <part.h> @@ -76,9 +77,6 @@ static efi_status_t EFIAPI efi_disk_rw_blocks(struct efi_block_io *this, int blocks; unsigned long n; - EFI_ENTRY("%p, %x, %"PRIx64", %lx, %p", this, media_id, lba, - buffer_size, buffer); - diskobj = container_of(this, struct efi_disk_obj, ops); if (!(desc = blk_get_dev(diskobj->ifname, diskobj->dev_index))) return EFI_EXIT(EFI_DEVICE_ERROR); @@ -86,26 +84,23 @@ static efi_status_t EFIAPI efi_disk_rw_blocks(struct efi_block_io *this, blocks = buffer_size / blksz; lba += diskobj->offset; -#ifdef DEBUG_EFI - printf("EFI: %s:%d blocks=%x lba=%"PRIx64" blksz=%x dir=%d\n", __func__, - __LINE__, blocks, lba, blksz, direction); -#endif + debug("EFI: %s:%d blocks=%x lba=%"PRIx64" blksz=%x dir=%d\n", __func__, + __LINE__, blocks, lba, blksz, direction); /* We only support full block access */ if (buffer_size & (blksz - 1)) return EFI_EXIT(EFI_DEVICE_ERROR); if (direction == EFI_DISK_READ) - n = desc->block_read(desc, lba, blocks, buffer); + n = blk_dread(desc, lba, blocks, buffer); else - n = desc->block_write(desc, lba, blocks, buffer); + n = blk_dwrite(desc, lba, blocks, buffer); /* We don't do interrupts, so check for timers cooperatively */ efi_timer_check(); -#ifdef DEBUG_EFI - printf("EFI: %s:%d n=%lx blocks=%x\n", __func__, __LINE__, n, blocks); -#endif + debug("EFI: %s:%d n=%lx blocks=%x\n", __func__, __LINE__, n, blocks); + if (n != blocks) return EFI_EXIT(EFI_DEVICE_ERROR); @@ -116,16 +111,70 @@ static efi_status_t efi_disk_read_blocks(struct efi_block_io *this, u32 media_id, u64 lba, unsigned long buffer_size, void *buffer) { - return efi_disk_rw_blocks(this, media_id, lba, buffer_size, buffer, - EFI_DISK_READ); + void *real_buffer = buffer; + efi_status_t r; + +#ifdef CONFIG_EFI_LOADER_BOUNCE_BUFFER + if (buffer_size > EFI_LOADER_BOUNCE_BUFFER_SIZE) { + r = efi_disk_read_blocks(this, media_id, lba, + EFI_LOADER_BOUNCE_BUFFER_SIZE, buffer); + if (r != EFI_SUCCESS) + return r; + return efi_disk_read_blocks(this, media_id, lba + + EFI_LOADER_BOUNCE_BUFFER_SIZE / this->media->block_size, + buffer_size - EFI_LOADER_BOUNCE_BUFFER_SIZE, + buffer + EFI_LOADER_BOUNCE_BUFFER_SIZE); + } + + real_buffer = efi_bounce_buffer; +#endif + + EFI_ENTRY("%p, %x, %"PRIx64", %lx, %p", this, media_id, lba, + buffer_size, buffer); + + r = efi_disk_rw_blocks(this, media_id, lba, buffer_size, real_buffer, + EFI_DISK_READ); + + /* Copy from bounce buffer to real buffer if necessary */ + if ((r == EFI_SUCCESS) && (real_buffer != buffer)) + memcpy(buffer, real_buffer, buffer_size); + + return EFI_EXIT(r); } static efi_status_t efi_disk_write_blocks(struct efi_block_io *this, u32 media_id, u64 lba, unsigned long buffer_size, void *buffer) { - return efi_disk_rw_blocks(this, media_id, lba, buffer_size, buffer, - EFI_DISK_WRITE); + void *real_buffer = buffer; + efi_status_t r; + +#ifdef CONFIG_EFI_LOADER_BOUNCE_BUFFER + if (buffer_size > EFI_LOADER_BOUNCE_BUFFER_SIZE) { + r = efi_disk_write_blocks(this, media_id, lba, + EFI_LOADER_BOUNCE_BUFFER_SIZE, buffer); + if (r != EFI_SUCCESS) + return r; + return efi_disk_write_blocks(this, media_id, lba + + EFI_LOADER_BOUNCE_BUFFER_SIZE / this->media->block_size, + buffer_size - EFI_LOADER_BOUNCE_BUFFER_SIZE, + buffer + EFI_LOADER_BOUNCE_BUFFER_SIZE); + } + + real_buffer = efi_bounce_buffer; +#endif + + EFI_ENTRY("%p, %x, %"PRIx64", %lx, %p", this, media_id, lba, + buffer_size, buffer); + + /* Populate bounce buffer if necessary */ + if (real_buffer != buffer) + memcpy(real_buffer, buffer, buffer_size); + + r = efi_disk_rw_blocks(this, media_id, lba, buffer_size, real_buffer, + EFI_DISK_WRITE); + + return EFI_EXIT(r); } static efi_status_t EFIAPI efi_disk_flush_blocks(struct efi_block_io *this) @@ -142,8 +191,8 @@ static const struct efi_block_io block_io_disk_template = { .flush_blocks = &efi_disk_flush_blocks, }; -static void efi_disk_add_dev(char *name, - const struct blk_driver *cur_drvr, +static void efi_disk_add_dev(const char *name, + const char *if_typename, const struct blk_desc *desc, int dev_index, lbaint_t offset) @@ -161,7 +210,7 @@ static void efi_disk_add_dev(char *name, diskobj->parent.protocols[1].open = efi_disk_open_dp; diskobj->parent.handle = diskobj; diskobj->ops = block_io_disk_template; - diskobj->ifname = cur_drvr->if_typename; + diskobj->ifname = if_typename; diskobj->dev_index = dev_index; diskobj->offset = offset; @@ -190,7 +239,7 @@ static void efi_disk_add_dev(char *name, } static int efi_disk_create_eltorito(struct blk_desc *desc, - const struct blk_driver *cur_drvr, + const char *if_typename, int diskid) { int disks = 0; @@ -203,9 +252,10 @@ static int efi_disk_create_eltorito(struct blk_desc *desc, return 0; while (!part_get_info(desc, part, &info)) { - snprintf(devname, sizeof(devname), "%s%d:%d", - cur_drvr->if_typename, diskid, part); - efi_disk_add_dev(devname, cur_drvr, desc, diskid, info.start); + snprintf(devname, sizeof(devname), "%s%d:%d", if_typename, + diskid, part); + efi_disk_add_dev(devname, if_typename, desc, diskid, + info.start); part++; disks++; } @@ -219,21 +269,49 @@ static int efi_disk_create_eltorito(struct blk_desc *desc, * EFI payload, we scan through all of the potentially available ones and * store them in our object pool. * + * TODO(sjg@chromium.org): Actually with CONFIG_BLK, U-Boot does have this. + * Consider converting the code to look up devices as needed. The EFI device + * could be a child of the UCLASS_BLK block device, perhaps. + * * This gets called from do_bootefi_exec(). */ int efi_disk_register(void) { - const struct blk_driver *cur_drvr; - int i, if_type; int disks = 0; +#ifdef CONFIG_BLK + struct udevice *dev; + + for (uclass_first_device(UCLASS_BLK, &dev); + dev; + uclass_next_device(&dev)) { + struct blk_desc *desc = dev_get_uclass_platdata(dev); + const char *if_typename = dev->driver->name; + + printf("Scanning disk %s...\n", dev->name); + efi_disk_add_dev(dev->name, if_typename, desc, desc->devnum, 0); + disks++; + + /* + * El Torito images show up as block devices in an EFI world, + * so let's create them here + */ + disks += efi_disk_create_eltorito(desc, if_typename, + desc->devnum); + } +#else + int i, if_type; /* Search for all available disk devices */ for (if_type = 0; if_type < IF_TYPE_COUNT; if_type++) { + const struct blk_driver *cur_drvr; + const char *if_typename; + cur_drvr = blk_driver_lookup_type(if_type); if (!cur_drvr) continue; - printf("Scanning disks on %s...\n", cur_drvr->if_typename); + if_typename = cur_drvr->if_typename; + printf("Scanning disks on %s...\n", if_typename); for (i = 0; i < 4; i++) { struct blk_desc *desc; char devname[32] = { 0 }; /* dp->str is u16[32] long */ @@ -245,17 +323,18 @@ int efi_disk_register(void) continue; snprintf(devname, sizeof(devname), "%s%d", - cur_drvr->if_typename, i); - efi_disk_add_dev(devname, cur_drvr, desc, i, 0); + if_typename, i); + efi_disk_add_dev(devname, if_typename, desc, i, 0); disks++; /* * El Torito images show up as block devices * in an EFI world, so let's create them here */ - disks += efi_disk_create_eltorito(desc, cur_drvr, i); + disks += efi_disk_create_eltorito(desc, if_typename, i); } } +#endif printf("Found %d disks\n", disks); return 0; diff --git a/lib/efi_loader/efi_gop.c b/lib/efi_loader/efi_gop.c index bdd62bc5575..33a3d717671 100644 --- a/lib/efi_loader/efi_gop.c +++ b/lib/efi_loader/efi_gop.c @@ -7,10 +7,12 @@ */ #include <common.h> +#include <dm.h> #include <efi_loader.h> #include <inttypes.h> #include <lcd.h> #include <malloc.h> +#include <video.h> DECLARE_GLOBAL_DATA_PTR; @@ -24,6 +26,8 @@ struct efi_gop_obj { /* The only mode we support */ struct efi_gop_mode_info info; struct efi_gop_mode mode; + /* Fields we only have acces to during init */ + u32 bpix; }; static efi_status_t EFIAPI gop_query_mode(struct efi_gop *this, u32 mode_number, @@ -57,6 +61,7 @@ static efi_status_t EFIAPI gop_blt(struct efi_gop *this, void *buffer, unsigned long dy, unsigned long width, unsigned long height, unsigned long delta) { + struct efi_gop_obj *gopobj = container_of(this, struct efi_gop_obj, ops); int i, j, line_len16, line_len32; void *fb; @@ -67,13 +72,17 @@ static efi_status_t EFIAPI gop_blt(struct efi_gop *this, void *buffer, return EFI_EXIT(EFI_INVALID_PARAMETER); fb = (void*)gd->fb_base; - line_len16 = panel_info.vl_col * sizeof(u16); - line_len32 = panel_info.vl_col * sizeof(u32); + line_len16 = gopobj->info.width * sizeof(u16); + line_len32 = gopobj->info.width * sizeof(u32); /* Copy the contents line by line */ - switch (panel_info.vl_bpix) { + switch (gopobj->bpix) { +#ifdef CONFIG_DM_VIDEO + case VIDEO_BPP32: +#else case LCD_COLOR32: +#endif for (i = 0; i < height; i++) { u32 *dest = fb + ((i + dy) * line_len32) + (dx * sizeof(u32)); @@ -84,7 +93,11 @@ static efi_status_t EFIAPI gop_blt(struct efi_gop *this, void *buffer, memcpy(dest, src, width * sizeof(u32)); } break; +#ifdef CONFIG_DM_VIDEO + case VIDEO_BPP16: +#else case LCD_COLOR16: +#endif for (i = 0; i < height; i++) { u16 *dest = fb + ((i + dy) * line_len16) + (dx * sizeof(u16)); @@ -102,7 +115,11 @@ static efi_status_t EFIAPI gop_blt(struct efi_gop *this, void *buffer, break; } +#ifdef CONFIG_DM_VIDEO + video_sync_all(); +#else lcd_sync(); +#endif return EFI_EXIT(EFI_SUCCESS); } @@ -111,11 +128,34 @@ static efi_status_t EFIAPI gop_blt(struct efi_gop *this, void *buffer, int efi_gop_register(void) { struct efi_gop_obj *gopobj; - int line_len; + u32 bpix, col, row; - switch (panel_info.vl_bpix) { +#ifdef CONFIG_DM_VIDEO + struct udevice *vdev; + + /* We only support a single video output device for now */ + if (uclass_first_device(UCLASS_VIDEO, &vdev)) + return -1; + + struct video_priv *priv = dev_get_uclass_priv(vdev); + bpix = priv->bpix; + col = video_get_xsize(vdev); + row = video_get_ysize(vdev); +#else + + bpix = panel_info.vl_bpix; + col = panel_info.vl_col; + row = panel_info.vl_row; +#endif + + switch (bpix) { +#ifdef CONFIG_DM_VIDEO + case VIDEO_BPP16: + case VIDEO_BPP32: +#else case LCD_COLOR32: case LCD_COLOR16: +#endif break; default: /* So far, we only work in 16 or 32 bit mode */ @@ -136,14 +176,14 @@ int efi_gop_register(void) gopobj->mode.max_mode = 1; gopobj->mode.info = &gopobj->info; gopobj->mode.info_size = sizeof(gopobj->info); - gopobj->mode.fb_base = gd->fb_base; - gopobj->mode.fb_size = lcd_get_size(&line_len); gopobj->info.version = 0; - gopobj->info.width = panel_info.vl_col; - gopobj->info.height = panel_info.vl_row; + gopobj->info.width = col; + gopobj->info.height = row; gopobj->info.pixel_format = EFI_GOT_RGBA8; - gopobj->info.pixels_per_scanline = panel_info.vl_col; + gopobj->info.pixels_per_scanline = col; + + gopobj->bpix = bpix; /* Hook up to the device list */ list_add_tail(&gopobj->parent.link, &efi_obj_list); diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c index 71a3d192696..df2381e42c2 100644 --- a/lib/efi_loader/efi_memory.c +++ b/lib/efi_loader/efi_memory.c @@ -6,8 +6,6 @@ * SPDX-License-Identifier: GPL-2.0+ */ -/* #define DEBUG_EFI */ - #include <common.h> #include <efi_loader.h> #include <malloc.h> @@ -24,9 +22,17 @@ struct efi_mem_list { struct efi_mem_desc desc; }; +#define EFI_CARVE_NO_OVERLAP -1 +#define EFI_CARVE_LOOP_AGAIN -2 +#define EFI_CARVE_OVERLAPS_NONRAM -3 + /* This list contains all memory map items */ LIST_HEAD(efi_mem); +#ifdef CONFIG_EFI_LOADER_BOUNCE_BUFFER +void *efi_bounce_buffer; +#endif + /* * Sorts the memory list from highest address to lowest address * @@ -74,11 +80,11 @@ static int efi_mem_carve_out(struct efi_mem_list *map, /* check whether we're overlapping */ if ((carve_end <= map_start) || (carve_start >= map_end)) - return 0; + return EFI_CARVE_NO_OVERLAP; /* We're overlapping with non-RAM, warn the caller if desired */ if (overlap_only_ram && (map_desc->type != EFI_CONVENTIONAL_MEMORY)) - return -1; + return EFI_CARVE_OVERLAPS_NONRAM; /* Sanitize carve_start and carve_end to lie within our bounds */ carve_start = max(carve_start, map_start); @@ -93,7 +99,7 @@ static int efi_mem_carve_out(struct efi_mem_list *map, map_desc->physical_start = carve_end; map_desc->num_pages = (map_end - carve_end) >> EFI_PAGE_SHIFT; - return 1; + return (carve_end - carve_start) >> EFI_PAGE_SHIFT; } /* @@ -113,7 +119,7 @@ static int efi_mem_carve_out(struct efi_mem_list *map, /* Shrink the map to [ map_start ... carve_start ] */ map_desc->num_pages = (carve_start - map_start) >> EFI_PAGE_SHIFT; - return 1; + return EFI_CARVE_LOOP_AGAIN; } uint64_t efi_add_memory_map(uint64_t start, uint64_t pages, int memory_type, @@ -121,7 +127,8 @@ uint64_t efi_add_memory_map(uint64_t start, uint64_t pages, int memory_type, { struct list_head *lhandle; struct efi_mem_list *newlist; - bool do_carving; + bool carve_again; + uint64_t carved_pages = 0; if (!pages) return start; @@ -148,7 +155,7 @@ uint64_t efi_add_memory_map(uint64_t start, uint64_t pages, int memory_type, /* Add our new map */ do { - do_carving = false; + carve_again = false; list_for_each(lhandle, &efi_mem) { struct efi_mem_list *lmem; int r; @@ -156,14 +163,44 @@ uint64_t efi_add_memory_map(uint64_t start, uint64_t pages, int memory_type, lmem = list_entry(lhandle, struct efi_mem_list, link); r = efi_mem_carve_out(lmem, &newlist->desc, overlap_only_ram); - if (r < 0) { + switch (r) { + case EFI_CARVE_OVERLAPS_NONRAM: + /* + * The user requested to only have RAM overlaps, + * but we hit a non-RAM region. Error out. + */ return 0; - } else if (r) { - do_carving = true; + case EFI_CARVE_NO_OVERLAP: + /* Just ignore this list entry */ + break; + case EFI_CARVE_LOOP_AGAIN: + /* + * We split an entry, but need to loop through + * the list again to actually carve it. + */ + carve_again = true; + break; + default: + /* We carved a number of pages */ + carved_pages += r; + carve_again = true; + break; + } + + if (carve_again) { + /* The list changed, we need to start over */ break; } } - } while (do_carving); + } while (carve_again); + + if (overlap_only_ram && (carved_pages != pages)) { + /* + * The payload wanted to have RAM overlaps, but we overlapped + * with an unallocated region. Error out. + */ + return 0; + } /* Add our new map */ list_add_tail(&newlist->link, &efi_mem); @@ -349,5 +386,17 @@ int efi_memory_init(void) efi_add_memory_map(runtime_start, runtime_pages, EFI_RUNTIME_SERVICES_CODE, false); +#ifdef CONFIG_EFI_LOADER_BOUNCE_BUFFER + /* Request a 32bit 64MB bounce buffer region */ + uint64_t efi_bounce_buffer_addr = 0xffffffff; + + if (efi_allocate_pages(1, EFI_LOADER_DATA, + (64 * 1024 * 1024) >> EFI_PAGE_SHIFT, + &efi_bounce_buffer_addr) != EFI_SUCCESS) + return -1; + + efi_bounce_buffer = (void*)(uintptr_t)efi_bounce_buffer_addr; +#endif + return 0; } diff --git a/lib/efi_loader/efi_net.c b/lib/efi_loader/efi_net.c new file mode 100644 index 00000000000..dd3b48570d8 --- /dev/null +++ b/lib/efi_loader/efi_net.c @@ -0,0 +1,291 @@ +/* + * EFI application network access support + * + * Copyright (c) 2016 Alexander Graf + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <efi_loader.h> +#include <inttypes.h> +#include <lcd.h> +#include <malloc.h> + +DECLARE_GLOBAL_DATA_PTR; + +static const efi_guid_t efi_net_guid = EFI_SIMPLE_NETWORK_GUID; +static const efi_guid_t efi_pxe_guid = EFI_PXE_GUID; +static struct efi_pxe_packet *dhcp_ack; +static bool new_rx_packet; +static void *new_tx_packet; + +struct efi_net_obj { + /* Generic EFI object parent class data */ + struct efi_object parent; + /* EFI Interface callback struct for network */ + struct efi_simple_network net; + struct efi_simple_network_mode net_mode; + /* Device path to the network adapter */ + struct efi_device_path_file_path dp[2]; + /* PXE struct to transmit dhcp data */ + struct efi_pxe pxe; + struct efi_pxe_mode pxe_mode; +}; + +static efi_status_t EFIAPI efi_net_start(struct efi_simple_network *this) +{ + EFI_ENTRY("%p", this); + + return EFI_EXIT(EFI_SUCCESS); +} + +static efi_status_t EFIAPI efi_net_stop(struct efi_simple_network *this) +{ + EFI_ENTRY("%p", this); + + return EFI_EXIT(EFI_SUCCESS); +} + +static efi_status_t EFIAPI efi_net_initialize(struct efi_simple_network *this, + ulong extra_rx, ulong extra_tx) +{ + EFI_ENTRY("%p, %lx, %lx", this, extra_rx, extra_tx); + + eth_init(); + + return EFI_EXIT(EFI_SUCCESS); +} + +static efi_status_t EFIAPI efi_net_reset(struct efi_simple_network *this, + int extended_verification) +{ + EFI_ENTRY("%p, %x", this, extended_verification); + + return EFI_EXIT(EFI_SUCCESS); +} + +static efi_status_t EFIAPI efi_net_shutdown(struct efi_simple_network *this) +{ + EFI_ENTRY("%p", this); + + return EFI_EXIT(EFI_SUCCESS); +} + +static efi_status_t EFIAPI efi_net_receive_filters( + struct efi_simple_network *this, u32 enable, u32 disable, + int reset_mcast_filter, ulong mcast_filter_count, + struct efi_mac_address *mcast_filter) +{ + EFI_ENTRY("%p, %x, %x, %x, %lx, %p", this, enable, disable, + reset_mcast_filter, mcast_filter_count, mcast_filter); + + /* XXX Do we care? */ + + return EFI_EXIT(EFI_SUCCESS); +} + +static efi_status_t EFIAPI efi_net_station_address( + struct efi_simple_network *this, int reset, + struct efi_mac_address *new_mac) +{ + EFI_ENTRY("%p, %x, %p", this, reset, new_mac); + + return EFI_EXIT(EFI_INVALID_PARAMETER); +} + +static efi_status_t EFIAPI efi_net_statistics(struct efi_simple_network *this, + int reset, ulong *stat_size, + void *stat_table) +{ + EFI_ENTRY("%p, %x, %p, %p", this, reset, stat_size, stat_table); + + return EFI_EXIT(EFI_INVALID_PARAMETER); +} + +static efi_status_t EFIAPI efi_net_mcastiptomac(struct efi_simple_network *this, + int ipv6, + struct efi_ip_address *ip, + struct efi_mac_address *mac) +{ + EFI_ENTRY("%p, %x, %p, %p", this, ipv6, ip, mac); + + return EFI_EXIT(EFI_INVALID_PARAMETER); +} + +static efi_status_t EFIAPI efi_net_nvdata(struct efi_simple_network *this, + int read_write, ulong offset, + ulong buffer_size, char *buffer) +{ + EFI_ENTRY("%p, %x, %lx, %lx, %p", this, read_write, offset, buffer_size, + buffer); + + return EFI_EXIT(EFI_INVALID_PARAMETER); +} + +static efi_status_t EFIAPI efi_net_get_status(struct efi_simple_network *this, + u32 *int_status, void **txbuf) +{ + EFI_ENTRY("%p, %p, %p", this, int_status, txbuf); + + /* We send packets synchronously, so nothing is outstanding */ + if (int_status) + *int_status = 0; + if (txbuf) + *txbuf = new_tx_packet; + + new_tx_packet = NULL; + + return EFI_EXIT(EFI_SUCCESS); +} + +static efi_status_t EFIAPI efi_net_transmit(struct efi_simple_network *this, + ulong header_size, ulong buffer_size, void *buffer, + struct efi_mac_address *src_addr, + struct efi_mac_address *dest_addr, u16 *protocol) +{ + EFI_ENTRY("%p, %lx, %lx, %p, %p, %p, %p", this, header_size, + buffer_size, buffer, src_addr, dest_addr, protocol); + + if (header_size) { + /* We would need to create the header if header_size != 0 */ + return EFI_EXIT(EFI_INVALID_PARAMETER); + } + + net_send_packet(buffer, buffer_size); + new_tx_packet = buffer; + + return EFI_EXIT(EFI_SUCCESS); +} + +static void efi_net_push(void *pkt, int len) +{ + new_rx_packet = true; +} + +static efi_status_t EFIAPI efi_net_receive(struct efi_simple_network *this, + ulong *header_size, ulong *buffer_size, void *buffer, + struct efi_mac_address *src_addr, + struct efi_mac_address *dest_addr, u16 *protocol) +{ + EFI_ENTRY("%p, %p, %p, %p, %p, %p, %p", this, header_size, + buffer_size, buffer, src_addr, dest_addr, protocol); + + push_packet = efi_net_push; + eth_rx(); + push_packet = NULL; + + if (!new_rx_packet) + return EFI_EXIT(EFI_NOT_READY); + + if (*buffer_size < net_rx_packet_len) { + /* Packet doesn't fit, try again with bigger buf */ + *buffer_size = net_rx_packet_len; + return EFI_EXIT(EFI_BUFFER_TOO_SMALL); + } + + memcpy(buffer, net_rx_packet, net_rx_packet_len); + *buffer_size = net_rx_packet_len; + new_rx_packet = false; + + return EFI_EXIT(EFI_SUCCESS); +} + +static efi_status_t efi_net_open_dp(void *handle, efi_guid_t *protocol, + void **protocol_interface, void *agent_handle, + void *controller_handle, uint32_t attributes) +{ + struct efi_simple_network *net = handle; + struct efi_net_obj *netobj = container_of(net, struct efi_net_obj, net); + + *protocol_interface = netobj->dp; + + return EFI_SUCCESS; +} + +static efi_status_t efi_net_open_pxe(void *handle, efi_guid_t *protocol, + void **protocol_interface, void *agent_handle, + void *controller_handle, uint32_t attributes) +{ + struct efi_simple_network *net = handle; + struct efi_net_obj *netobj = container_of(net, struct efi_net_obj, net); + + *protocol_interface = &netobj->pxe; + + return EFI_SUCCESS; +} + +void efi_net_set_dhcp_ack(void *pkt, int len) +{ + int maxsize = sizeof(*dhcp_ack); + + if (!dhcp_ack) + dhcp_ack = malloc(maxsize); + + memcpy(dhcp_ack, pkt, min(len, maxsize)); +} + +/* This gets called from do_bootefi_exec(). */ +int efi_net_register(void **handle) +{ + struct efi_net_obj *netobj; + struct efi_device_path_file_path dp_net = { + .dp.type = DEVICE_PATH_TYPE_MEDIA_DEVICE, + .dp.sub_type = DEVICE_PATH_SUB_TYPE_FILE_PATH, + .dp.length = sizeof(dp_net), + .str = { 'N', 'e', 't' }, + }; + struct efi_device_path_file_path dp_end = { + .dp.type = DEVICE_PATH_TYPE_END, + .dp.sub_type = DEVICE_PATH_SUB_TYPE_END, + .dp.length = sizeof(dp_end), + }; + + if (!eth_get_dev()) { + /* No eth device active, don't expose any */ + return 0; + } + + /* We only expose the "active" eth device, so one is enough */ + netobj = calloc(1, sizeof(*netobj)); + + /* Fill in object data */ + netobj->parent.protocols[0].guid = &efi_net_guid; + netobj->parent.protocols[0].open = efi_return_handle; + netobj->parent.protocols[1].guid = &efi_guid_device_path; + netobj->parent.protocols[1].open = efi_net_open_dp; + netobj->parent.protocols[2].guid = &efi_pxe_guid; + netobj->parent.protocols[2].open = efi_net_open_pxe; + netobj->parent.handle = &netobj->net; + netobj->net.start = efi_net_start; + netobj->net.stop = efi_net_stop; + netobj->net.initialize = efi_net_initialize; + netobj->net.reset = efi_net_reset; + netobj->net.shutdown = efi_net_shutdown; + netobj->net.receive_filters = efi_net_receive_filters; + netobj->net.station_address = efi_net_station_address; + netobj->net.statistics = efi_net_statistics; + netobj->net.mcastiptomac = efi_net_mcastiptomac; + netobj->net.nvdata = efi_net_nvdata; + netobj->net.get_status = efi_net_get_status; + netobj->net.transmit = efi_net_transmit; + netobj->net.receive = efi_net_receive; + netobj->net.mode = &netobj->net_mode; + netobj->net_mode.state = EFI_NETWORK_STARTED; + netobj->dp[0] = dp_net; + netobj->dp[1] = dp_end; + memcpy(netobj->net_mode.current_address.mac_addr, eth_get_ethaddr(), 6); + netobj->net_mode.max_packet_size = PKTSIZE; + + netobj->pxe.mode = &netobj->pxe_mode; + if (dhcp_ack) + netobj->pxe_mode.dhcp_ack = *dhcp_ack; + + /* Hook net up to the device list */ + list_add_tail(&netobj->parent.link, &efi_obj_list); + + if (handle) + *handle = &netobj->net; + + return 0; +} diff --git a/lib/efi_loader/efi_runtime.c b/lib/efi_loader/efi_runtime.c index 3ee27ca9cc6..99b5ef11c2e 100644 --- a/lib/efi_loader/efi_runtime.c +++ b/lib/efi_loader/efi_runtime.c @@ -125,6 +125,22 @@ static const struct efi_runtime_detach_list_struct efi_runtime_detach_list[] = { /* RTC accessors are gone */ .ptr = &efi_runtime_services.get_time, .patchto = &efi_device_error, + }, { + /* Clean up system table */ + .ptr = &systab.con_in, + .patchto = NULL, + }, { + /* Clean up system table */ + .ptr = &systab.con_out, + .patchto = NULL, + }, { + /* Clean up system table */ + .ptr = &systab.std_err, + .patchto = NULL, + }, { + /* Clean up system table */ + .ptr = &systab.boottime, + .patchto = NULL, }, }; @@ -149,9 +165,7 @@ static void efi_runtime_detach(ulong offset) ulong *p = efi_runtime_detach_list[i].ptr; ulong newaddr = patchto ? (patchto + patchoff) : 0; -#ifdef DEBUG_EFI - printf("%s: Setting %p to %lx\n", __func__, p, newaddr); -#endif + debug("%s: Setting %p to %lx\n", __func__, p, newaddr); *p = newaddr; } } @@ -166,10 +180,7 @@ void efi_runtime_relocate(ulong offset, struct efi_mem_desc *map) static ulong lastoff = CONFIG_SYS_TEXT_BASE; #endif -#ifdef DEBUG_EFI - printf("%s: Relocating to offset=%lx\n", __func__, offset); -#endif - + debug("%s: Relocating to offset=%lx\n", __func__, offset); for (; (ulong)rel < (ulong)&__efi_runtime_rel_stop; rel++) { ulong base = CONFIG_SYS_TEXT_BASE; ulong *p; @@ -196,10 +207,7 @@ void efi_runtime_relocate(ulong offset, struct efi_mem_desc *map) continue; } -#ifdef DEBUG_EFI - printf("%s: Setting %p to %lx\n", __func__, p, newaddr); -#endif - + debug("%s: Setting %p to %lx\n", __func__, p, newaddr); *p = newaddr; flush_dcache_range((ulong)p & ~(EFI_CACHELINE_SIZE - 1), ALIGN((ulong)&p[1], EFI_CACHELINE_SIZE)); diff --git a/lib/fdtdec.c b/lib/fdtdec.c index 70acc29c924..ab002e9fa3e 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -30,6 +30,7 @@ static const char * const compat_names[COMPAT_COUNT] = { COMPAT(NVIDIA_TEGRA124_SOR, "nvidia,tegra124-sor"), COMPAT(NVIDIA_TEGRA124_PMC, "nvidia,tegra124-pmc"), COMPAT(NVIDIA_TEGRA20_DC, "nvidia,tegra20-dc"), + COMPAT(NVIDIA_TEGRA186_SDMMC, "nvidia,tegra186-sdhci"), COMPAT(NVIDIA_TEGRA210_SDMMC, "nvidia,tegra210-sdhci"), COMPAT(NVIDIA_TEGRA124_SDMMC, "nvidia,tegra124-sdhci"), COMPAT(NVIDIA_TEGRA30_SDMMC, "nvidia,tegra30-sdhci"), diff --git a/lib/string.c b/lib/string.c index 87c9a408e62..67d5f6a4213 100644 --- a/lib/string.c +++ b/lib/string.c @@ -461,30 +461,6 @@ void * memset(void * s,int c,size_t count) } #endif -#ifndef __HAVE_ARCH_BCOPY -/** - * bcopy - Copy one area of memory to another - * @src: Where to copy from - * @dest: Where to copy to - * @count: The size of the area. - * - * Note that this is the same as memcpy(), with the arguments reversed. - * memcpy() is the standard, bcopy() is a legacy BSD function. - * - * You should not use this function to access IO space, use memcpy_toio() - * or memcpy_fromio() instead. - */ -char * bcopy(const char * src, char * dest, int count) -{ - char *tmp = dest; - - while (count--) - *tmp++ = *src++; - - return dest; -} -#endif - #ifndef __HAVE_ARCH_MEMCPY /** * memcpy - Copy one area of memory to another diff --git a/lib/tiny-printf.c b/lib/tiny-printf.c index a06abed4959..5ea2555280b 100644 --- a/lib/tiny-printf.c +++ b/lib/tiny-printf.c @@ -16,6 +16,9 @@ static char *bf; static char zs; +/* Current position in sprintf() output string */ +static char *outstr; + static void out(char c) { *bf++ = c; @@ -40,7 +43,7 @@ static void div_out(unsigned int *num, unsigned int div) out_dgt(dgt); } -int vprintf(const char *fmt, va_list va) +int _vprintf(const char *fmt, va_list va, void (*putc)(const char ch)) { char ch; char *p; @@ -52,8 +55,8 @@ int vprintf(const char *fmt, va_list va) if (ch != '%') { putc(ch); } else { - char lz = 0; - char w = 0; + bool lz = false; + int width = 0; ch = *(fmt++); if (ch == '0') { @@ -62,9 +65,9 @@ int vprintf(const char *fmt, va_list va) } if (ch >= '0' && ch <= '9') { - w = 0; + width = 0; while (ch >= '0' && ch <= '9') { - w = (w * 10) + ch - '0'; + width = (width * 10) + ch - '0'; ch = *fmt++; } } @@ -73,7 +76,7 @@ int vprintf(const char *fmt, va_list va) zs = 0; switch (ch) { - case 0: + case '\0': goto abort; case 'u': case 'd': @@ -112,9 +115,9 @@ int vprintf(const char *fmt, va_list va) *bf = 0; bf = p; - while (*bf++ && w > 0) - w--; - while (w-- > 0) + while (*bf++ && width > 0) + width--; + while (width-- > 0) putc(lz ? '0' : ' '); if (p) { while ((ch = *p++)) @@ -133,7 +136,39 @@ int printf(const char *fmt, ...) int ret; va_start(va, fmt); - ret = vprintf(fmt, va); + ret = _vprintf(fmt, va, putc); + va_end(va); + + return ret; +} + +static void putc_outstr(char ch) +{ + *outstr++ = ch; +} + +int sprintf(char *buf, const char *fmt, ...) +{ + va_list va; + int ret; + + va_start(va, fmt); + outstr = buf; + ret = _vprintf(fmt, va, putc_outstr); + va_end(va); + *outstr = '\0'; + + return ret; +} + +/* Note that size is ignored */ +int snprintf(char *buf, size_t size, const char *fmt, ...) +{ + va_list va; + int ret; + + va_start(va, fmt); + ret = sprintf(buf, fmt, va); va_end(va); return ret; |