Rather than having a global variable, pass the function as part of the context.
Signed-off-by: Simon Glass sjg@chromium.org ---
cmd/pxe.c | 10 ++++------ cmd/pxe_utils.c | 9 ++++----- cmd/pxe_utils.h | 20 +++++++++++++++++--- cmd/sysboot.c | 20 ++++++++++---------- 4 files changed, 35 insertions(+), 24 deletions(-)
diff --git a/cmd/pxe.c b/cmd/pxe.c index 17ce54fc049..70dbde3a636 100644 --- a/cmd/pxe.c +++ b/cmd/pxe.c @@ -24,7 +24,7 @@ const char *pxe_default_paths[] = { NULL };
-static int do_get_tftp(struct cmd_tbl *cmdtp, const char *file_path, +static int do_get_tftp(struct pxe_context *ctx, const char *file_path, char *file_addr) { char *tftp_argv[] = {"tftp", NULL, NULL, NULL}; @@ -32,7 +32,7 @@ static int do_get_tftp(struct cmd_tbl *cmdtp, const char *file_path, tftp_argv[1] = file_addr; tftp_argv[2] = (void *)file_path;
- if (do_tftpb(cmdtp, 0, 3, tftp_argv)) + if (do_tftpb(ctx->cmdtp, 0, 3, tftp_argv)) return -ENOENT;
return 1; @@ -121,8 +121,7 @@ do_pxe_get(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) struct pxe_context ctx; int err, i = 0;
- pxe_setup_ctx(&ctx, cmdtp); - do_getfile = do_get_tftp; + pxe_setup_ctx(&ctx, cmdtp, do_get_tftp);
if (argc != 1) return CMD_RET_USAGE; @@ -176,8 +175,7 @@ do_pxe_boot(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) char *pxefile_addr_str; struct pxe_context ctx;
- pxe_setup_ctx(&ctx, cmdtp); - do_getfile = do_get_tftp; + pxe_setup_ctx(&ctx, cmdtp, do_get_tftp);
if (argc == 1) { pxefile_addr_str = from_env("pxefile_addr_r"); diff --git a/cmd/pxe_utils.c b/cmd/pxe_utils.c index 280be55d9b3..2caae6d1555 100644 --- a/cmd/pxe_utils.c +++ b/cmd/pxe_utils.c @@ -94,9 +94,6 @@ static int get_bootfile_path(const char *file_path, char *bootfile_path, return 1; }
-int (*do_getfile)(struct cmd_tbl *cmdtp, const char *file_path, - char *file_addr); - /* * As in pxelinux, paths to files referenced from files we retrieve are * relative to the location of bootfile. get_relfile takes such a path and @@ -133,7 +130,7 @@ static int get_relfile(struct pxe_context *ctx, const char *file_path,
sprintf(addr_buf, "%lx", file_addr);
- return do_getfile(ctx->cmdtp, relfile, addr_buf); + return ctx->getfile(ctx, relfile, addr_buf); }
int get_pxe_file(struct pxe_context *ctx, const char *file_path, @@ -1434,7 +1431,9 @@ void handle_pxe_menu(struct pxe_context *ctx, struct pxe_menu *cfg) boot_unattempted_labels(ctx, cfg); }
-void pxe_setup_ctx(struct pxe_context *ctx, struct cmd_tbl *cmdtp) +void pxe_setup_ctx(struct pxe_context *ctx, struct cmd_tbl *cmdtp, + pxe_getfile_func getfile) { ctx->cmdtp = cmdtp; + ctx->getfile = getfile; } diff --git a/cmd/pxe_utils.h b/cmd/pxe_utils.h index cd0d3371765..ca2696f48b0 100644 --- a/cmd/pxe_utils.h +++ b/cmd/pxe_utils.h @@ -77,16 +77,28 @@ struct pxe_menu {
extern bool is_pxe;
-extern int (*do_getfile)(struct cmd_tbl *cmdtp, const char *file_path, - char *file_addr); +struct pxe_context; +typedef int (*pxe_getfile_func)(struct pxe_context *ctx, const char *file_path, + char *file_addr);
/** * struct pxe_context - context information for PXE parsing * * @cmdtp: Pointer to command table to use when calling other commands + * @getfile: Function called by PXE to read a file */ struct pxe_context { struct cmd_tbl *cmdtp; + /** + * getfile() - read a file + * + * @ctx: PXE context + * @file_path: Path to the file + * @file_addr: String containing the hex address to put the file in + * memory + * Return 0 if OK, -ve on error + */ + pxe_getfile_func getfile; };
/** @@ -179,7 +191,9 @@ int format_mac_pxe(char *outbuf, size_t outbuf_len); * * @ctx: Context to set up * @cmdtp: Command table entry which started this action + * @getfile: Function to call to read a file */ -void pxe_setup_ctx(struct pxe_context *ctx, struct cmd_tbl *cmdtp); +void pxe_setup_ctx(struct pxe_context *ctx, struct cmd_tbl *cmdtp, + pxe_getfile_func getfile);
#endif /* __PXE_UTILS_H */ diff --git a/cmd/sysboot.c b/cmd/sysboot.c index 9ba713c8aae..082f23543d1 100644 --- a/cmd/sysboot.c +++ b/cmd/sysboot.c @@ -8,7 +8,7 @@
static char *fs_argv[5];
-static int do_get_ext2(struct cmd_tbl *cmdtp, const char *file_path, +static int do_get_ext2(struct pxe_context *ctx, const char *file_path, char *file_addr) { #ifdef CONFIG_CMD_EXT2 @@ -16,13 +16,13 @@ static int do_get_ext2(struct cmd_tbl *cmdtp, const char *file_path, fs_argv[3] = file_addr; fs_argv[4] = (void *)file_path;
- if (!do_ext2load(cmdtp, 0, 5, fs_argv)) + if (!do_ext2load(ctx->cmdtp, 0, 5, fs_argv)) return 1; #endif return -ENOENT; }
-static int do_get_fat(struct cmd_tbl *cmdtp, const char *file_path, +static int do_get_fat(struct pxe_context *ctx, const char *file_path, char *file_addr) { #ifdef CONFIG_CMD_FAT @@ -30,13 +30,13 @@ static int do_get_fat(struct cmd_tbl *cmdtp, const char *file_path, fs_argv[3] = file_addr; fs_argv[4] = (void *)file_path;
- if (!do_fat_fsload(cmdtp, 0, 5, fs_argv)) + if (!do_fat_fsload(ctx->cmdtp, 0, 5, fs_argv)) return 1; #endif return -ENOENT; }
-static int do_get_any(struct cmd_tbl *cmdtp, const char *file_path, +static int do_get_any(struct pxe_context *ctx, const char *file_path, char *file_addr) { #ifdef CONFIG_CMD_FS_GENERIC @@ -44,7 +44,7 @@ static int do_get_any(struct cmd_tbl *cmdtp, const char *file_path, fs_argv[3] = file_addr; fs_argv[4] = (void *)file_path;
- if (!do_load(cmdtp, 0, 5, fs_argv, FS_TYPE_ANY)) + if (!do_load(ctx->cmdtp, 0, 5, fs_argv, FS_TYPE_ANY)) return 1; #endif return -ENOENT; @@ -91,13 +91,13 @@ static int do_sysboot(struct cmd_tbl *cmdtp, int flag, int argc, env_set("bootfile", filename); }
- pxe_setup_ctx(&ctx, cmdtp); + pxe_setup_ctx(&ctx, cmdtp, NULL); if (strstr(argv[3], "ext2")) { - do_getfile = do_get_ext2; + ctx.getfile = do_get_ext2; } else if (strstr(argv[3], "fat")) { - do_getfile = do_get_fat; + ctx.getfile = do_get_fat; } else if (strstr(argv[3], "any")) { - do_getfile = do_get_any; + ctx.getfile = do_get_any; } else { printf("Invalid filesystem: %s\n", argv[3]); return 1;