Date: Thu, 18 Apr 2019 05:37:18 +0000 (UTC) From: Warner Losh <imp@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r346345 - in head/stand/efi: include libefi Message-ID: <201904180537.x3I5bIDQ082996@repo.freebsd.org>
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Author: imp Date: Thu Apr 18 05:37:18 2019 New Revision: 346345 URL: https://svnweb.freebsd.org/changeset/base/346345 Log: Add a more generic efi_setenv function. efi_setenv allows any UEFI variable to be set. Modified: head/stand/efi/include/efilib.h head/stand/efi/libefi/efienv.c Modified: head/stand/efi/include/efilib.h ============================================================================== --- head/stand/efi/include/efilib.h Thu Apr 18 02:54:07 2019 (r346344) +++ head/stand/efi/include/efilib.h Thu Apr 18 05:37:18 2019 (r346345) @@ -125,6 +125,7 @@ void cpy16to8(const CHAR16 *, char *, size_t); EFI_STATUS efi_freebsd_getenv(const char *v, void *data, __size_t *len); EFI_STATUS efi_getenv(EFI_GUID *g, const char *v, void *data, __size_t *len); EFI_STATUS efi_global_getenv(const char *v, void *data, __size_t *len); +EFI_STATUS efi_setenv(EFI_GUID *guid, const char *varname, UINT32 attr, void *data, __size_t len); EFI_STATUS efi_setenv_freebsd_wcs(const char *varname, CHAR16 *valstr); /* guids and names */ Modified: head/stand/efi/libefi/efienv.c ============================================================================== --- head/stand/efi/libefi/efienv.c Thu Apr 18 02:54:07 2019 (r346344) +++ head/stand/efi/libefi/efienv.c Thu Apr 18 05:37:18 2019 (r346345) @@ -68,6 +68,25 @@ efi_freebsd_getenv(const char *v, void *data, size_t * return (efi_getenv(&FreeBSDBootVarGUID, v, data, len)); } +/* + * efi_setenv -- Sets an env variable. + */ +EFI_STATUS +efi_setenv(EFI_GUID *guid, const char *varname, UINT32 attr, void *data, __size_t len) +{ + EFI_STATUS rv; + CHAR16 *uv; + size_t ul; + + uv = NULL; + if (utf8_to_ucs2(varname, &uv, &ul) != 0) + return (EFI_OUT_OF_RESOURCES); + + rv = RS->SetVariable(uv, guid, attr, len, data); + free(uv); + return (rv); +} + EFI_STATUS efi_setenv_freebsd_wcs(const char *varname, CHAR16 *valstr) {
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