wok annotate linux-libre/stuff/linux-libre-efi-3.18.129-gnu.u @ rev 22005

added tar-lang 1.32
author Hans-G?nter Theisgen
date Fri Oct 18 17:38:24 2019 +0100 (2019-10-18)
parents
children
rev   line source
pascal@20626 1 --- linux-3.16.53/drivers/firmware/efi/libstub/efi-stub-helper.c
pascal@20626 2 +++ linux-3.16.53/drivers/firmware/efi/libstub/efi-stub-helper.c
pascal@20626 3 @@ -341,6 +341,79 @@
pascal@20626 4 }
pascal@20626 5
pascal@20626 6 /*
pascal@20626 7 + *
pascal@20626 8 + */
pascal@20626 9 +static efi_status_t get_file_size(efi_system_table_t *sys_table_arg,
pascal@20626 10 + efi_loaded_image_t *image,
pascal@20626 11 + efi_char16_t *filename_16,
pascal@20626 12 + struct file_info *file)
pascal@20626 13 +{
pascal@20626 14 + efi_status_t status;
pascal@20626 15 + efi_file_handle_t *fh = NULL;
pascal@20626 16 +#ifdef CONFIG_X86_64
pascal@20626 17 + efi_char16_t *p, c;
pascal@20626 18 +#endif
pascal@20626 19 +
pascal@20626 20 + /* Only open the volume once. */
pascal@20626 21 + if (!fh) {
pascal@20626 22 + status = efi_open_volume(sys_table_arg, image,
pascal@20626 23 + (void **)&fh);
pascal@20626 24 + if (status != EFI_SUCCESS)
pascal@20626 25 + return status;
pascal@20626 26 + }
pascal@20626 27 +#ifdef CONFIG_X86_64
pascal@20626 28 + for (p = filename_16; *p != '\0'; p++);
pascal@20626 29 + c = p[-2];
pascal@20626 30 + file->size = EFI_FILE_SIZE_MUTE;
pascal@20626 31 + while (1) {
pascal@20626 32 +#endif
pascal@20626 33 + status = efi_file_size(sys_table_arg, fh, filename_16,
pascal@20626 34 + (void **)&file->handle, &file->size);
pascal@20626 35 +#ifdef CONFIG_X86_64
pascal@20626 36 + if (status != EFI_SUCCESS && p[-2] != '\0') {
pascal@20626 37 + p[-2] = '\0';
pascal@20626 38 + file->size++;
pascal@20626 39 + continue;
pascal@20626 40 + }
pascal@20626 41 + break;
pascal@20626 42 + }
pascal@20626 43 + p[-2] = c;
pascal@20626 44 +#endif
pascal@20626 45 + return status;
pascal@20626 46 +}
pascal@20626 47 +
pascal@20626 48 +/*
pascal@20626 49 + *
pascal@20626 50 + */
pascal@20626 51 +static efi_status_t read_efi_file(efi_system_table_t *sys_table_arg,
pascal@20626 52 + struct file_info *file,
pascal@20626 53 + unsigned long addr,
pascal@20626 54 + unsigned long size)
pascal@20626 55 +{
pascal@20626 56 + efi_status_t status;
pascal@20626 57 +
pascal@20626 58 + while (size) {
pascal@20626 59 + unsigned long chunksize;
pascal@20626 60 + if (size > __chunk_size)
pascal@20626 61 + chunksize = __chunk_size;
pascal@20626 62 + else
pascal@20626 63 + chunksize = size;
pascal@20626 64 +
pascal@20626 65 + status = efi_file_read(file->handle,
pascal@20626 66 + &chunksize,
pascal@20626 67 + (void *)addr);
pascal@20626 68 + if (status != EFI_SUCCESS) {
pascal@20626 69 + pr_efi_err(sys_table_arg, "Failed to read file\n");
pascal@20626 70 + break;
pascal@20626 71 + }
pascal@20626 72 + addr += chunksize;
pascal@20626 73 + size -= chunksize;
pascal@20626 74 + }
pascal@20626 75 + efi_file_close(file->handle);
pascal@20626 76 + return status;
pascal@20626 77 +}
pascal@20626 78 +
pascal@20626 79 +/*
pascal@20626 80 * Check the cmdline for a LILO-style file= arguments.
pascal@20626 81 *
pascal@20626 82 * We only support loading a file from the same filesystem as
pascal@20626 83 @@ -434,18 +507,14 @@
pascal@20626 84 }
pascal@20626 85 }
pascal@20626 86
pascal@20626 87 +#ifdef CONFIG_X86_64
pascal@20626 88 + *p++ = '6';
pascal@20626 89 + *p++ = '4';
pascal@20626 90 +#endif
pascal@20626 91 *p = '\0';
pascal@20626 92
pascal@20626 93 - /* Only open the volume once. */
pascal@20626 94 - if (!i) {
pascal@20626 95 - status = efi_open_volume(sys_table_arg, image,
pascal@20626 96 - (void **)&fh);
pascal@20626 97 - if (status != EFI_SUCCESS)
pascal@20626 98 - goto free_files;
pascal@20626 99 - }
pascal@20626 100 -
pascal@20626 101 - status = efi_file_size(sys_table_arg, fh, filename_16,
pascal@20626 102 - (void **)&file->handle, &file->size);
pascal@20626 103 + status = get_file_size(sys_table_arg,image,filename_16,file);
pascal@20626 104 +
pascal@20626 105 if (status != EFI_SUCCESS)
pascal@20626 106 goto close_handles;
pascal@20626 107
pascal@20626 108 @@ -476,28 +545,11 @@
pascal@20626 109
pascal@20626 110 addr = file_addr;
pascal@20626 111 for (j = 0; j < nr_files; j++) {
pascal@20626 112 - unsigned long size;
pascal@20626 113 -
pascal@20626 114 - size = files[j].size;
pascal@20626 115 - while (size) {
pascal@20626 116 - unsigned long chunksize;
pascal@20626 117 - if (size > __chunk_size)
pascal@20626 118 - chunksize = __chunk_size;
pascal@20626 119 - else
pascal@20626 120 - chunksize = size;
pascal@20626 121 -
pascal@20626 122 - status = efi_file_read(files[j].handle,
pascal@20626 123 - &chunksize,
pascal@20626 124 - (void *)addr);
pascal@20626 125 - if (status != EFI_SUCCESS) {
pascal@20626 126 - pr_efi_err(sys_table_arg, "Failed to read file\n");
pascal@20626 127 - goto free_file_total;
pascal@20626 128 - }
pascal@20626 129 - addr += chunksize;
pascal@20626 130 - size -= chunksize;
pascal@20626 131 - }
pascal@20626 132 -
pascal@20626 133 - efi_file_close(files[j].handle);
pascal@20626 134 + status = read_efi_file(sys_table_arg, &files[j], addr, files[j].size);
pascal@20626 135 + if (status != EFI_SUCCESS)
pascal@20626 136 + goto free_file_total;
pascal@20626 137 + addr += files[j].size + 3;
pascal@20626 138 + addr &= 0xFFFFFFFCUL;
pascal@20626 139 }
pascal@20626 140
pascal@20626 141 }
pascal@20626 142 @@ -669,6 +721,30 @@
pascal@20626 143 }
pascal@20626 144
pascal@20626 145 if (!options_chars) {
pascal@20626 146 + /* No command line options, look for linux.cmdline */
pascal@20626 147 +#ifdef CONFIG_X86_64
pascal@20626 148 +#define cmdline_name L"EFI\\BOOT\\linux.cmdline64"
pascal@20626 149 +#else
pascal@20626 150 +#define cmdline_name L"EFI\\BOOT\\linux.cmdline"
pascal@20626 151 +#endif
pascal@20626 152 + struct file_info file;
pascal@20626 153 + efi_char16_t filename_16[sizeof(cmdline_name)];
pascal@20626 154 +
pascal@20626 155 + memcpy((void *)filename_16, (void *)cmdline_name, sizeof(cmdline_name));
pascal@20626 156 + if (get_file_size(sys_table_arg, image, filename_16, &file) != EFI_SUCCESS)
pascal@20626 157 + goto no_cmdline_file;
pascal@20626 158 +
pascal@20626 159 + options_bytes = file.size+1;
pascal@20626 160 + if (efi_low_alloc(sys_table_arg, options_bytes, 0, &cmdline_addr) != EFI_SUCCESS)
pascal@20626 161 + goto no_cmdline_file;
pascal@20626 162 +
pascal@20626 163 + *((u8 *)cmdline_addr + file.size) = '\0';
pascal@20626 164 + if (read_efi_file(sys_table_arg, &file, cmdline_addr, file.size) == EFI_SUCCESS)
pascal@20626 165 + goto return_cmdline;
pascal@20626 166 + }
pascal@20626 167 + no_cmdline_file:
pascal@20626 168 +
pascal@20626 169 + if (!options_chars) {
pascal@20626 170 /* No command line options, so return empty string*/
pascal@20626 171 options = &zero;
pascal@20626 172 }
pascal@20626 173 @@ -685,6 +761,7 @@
pascal@20626 174 s1 = efi_utf16_to_utf8(s1, s2, options_chars);
pascal@20626 175 *s1 = '\0';
pascal@20626 176
pascal@20626 177 +return_cmdline:
pascal@20626 178 *cmd_line_len = options_bytes;
pascal@20626 179 return (char *)cmdline_addr;
pascal@20626 180 }
pascal@20626 181 --- linux-3.16.53/arch/x86/boot/compressed/eboot.c
pascal@20626 182 +++ linux-3.16.53/arch/x86/boot/compressed/eboot.c
pascal@20626 183 @@ -50,6 +50,7 @@
pascal@20626 184
pascal@20626 185 void efi_char16_printk(efi_system_table_t *, efi_char16_t *);
pascal@20626 186
pascal@20626 187 +#define EFI_FILE_SIZE_MUTE 0x4554554d20525245LL
pascal@20626 188 static efi_status_t
pascal@20626 189 __file_size32(void *__fh, efi_char16_t *filename_16,
pascal@20626 190 void **handle, u64 *file_sz)
pascal@20626 191 @@ -63,9 +64,11 @@
pascal@20626 192 status = efi_early->call((unsigned long)fh->open, fh, &h, filename_16,
pascal@20626 193 EFI_FILE_MODE_READ, (u64)0);
pascal@20626 194 if (status != EFI_SUCCESS) {
pascal@20626 195 - efi_printk(sys_table, "Failed to open file: ");
pascal@20626 196 - efi_char16_printk(sys_table, filename_16);
pascal@20626 197 - efi_printk(sys_table, "\n");
pascal@20626 198 + if (*file_sz != EFI_FILE_SIZE_MUTE) {
pascal@20626 199 + efi_printk(sys_table, "Failed to open file: ");
pascal@20626 200 + efi_char16_printk(sys_table, filename_16);
pascal@20626 201 + efi_printk(sys_table, "\n");
pascal@20626 202 + }
pascal@20626 203 return status;
pascal@20626 204 }
pascal@20626 205
pascal@20626 206 @@ -116,9 +119,11 @@
pascal@20626 207 status = efi_early->call((unsigned long)fh->open, fh, &h, filename_16,
pascal@20626 208 EFI_FILE_MODE_READ, (u64)0);
pascal@20626 209 if (status != EFI_SUCCESS) {
pascal@20626 210 - efi_printk(sys_table, "Failed to open file: ");
pascal@20626 211 - efi_char16_printk(sys_table, filename_16);
pascal@20626 212 - efi_printk(sys_table, "\n");
pascal@20626 213 + if (*file_sz != EFI_FILE_SIZE_MUTE) {
pascal@20626 214 + efi_printk(sys_table, "Failed to open file: ");
pascal@20626 215 + efi_char16_printk(sys_table, filename_16);
pascal@20626 216 + efi_printk(sys_table, "\n");
pascal@20626 217 + }
pascal@20626 218 return status;
pascal@20626 219 }
pascal@20626 220