env: Use getenv_yesno() more generally Move the getenv_yesno() to env_common.c and change most checks for 'y' or 'n' to use this helper. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c index 22a4d9c..e0cb635 100644 --- a/arch/arm/lib/board.c +++ b/arch/arm/lib/board.c
@@ -540,15 +540,13 @@ flash_size = flash_init(); if (flash_size > 0) { # ifdef CONFIG_SYS_FLASH_CHECKSUM - char *s = getenv("flashchecksum"); - print_size(flash_size, ""); /* * Compute and print flash CRC if flashchecksum is set to 'y' * * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX */ - if (s && (*s == 'y')) { + if (getenv_yesno("flashchecksum") == 1) { printf(" CRC: %08X", crc32(0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size));
diff --git a/arch/m68k/lib/board.c b/arch/m68k/lib/board.c index 02d73fd..794b867 100644 --- a/arch/m68k/lib/board.c +++ b/arch/m68k/lib/board.c
@@ -462,8 +462,7 @@ * * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX */ - s = getenv ("flashchecksum"); - if (s && (*s == 'y')) { + if (getenv_yesno("flashchecksum") == 1) { printf (" CRC: %08X", crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE,
diff --git a/arch/microblaze/lib/board.c b/arch/microblaze/lib/board.c index efd63cd..a7c2f76 100644 --- a/arch/microblaze/lib/board.c +++ b/arch/microblaze/lib/board.c
@@ -74,7 +74,6 @@ gd = (gd_t *) (CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET); bd = (bd_t *) (CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET \ - GENERATED_BD_INFO_SIZE); - __maybe_unused char *s; #if defined(CONFIG_CMD_FLASH) ulong flash_size = 0; #endif @@ -143,8 +142,7 @@ * * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX */ - s = getenv ("flashchecksum"); - if (s && (*s == 'y')) { + if (getenv_yesno("flashchecksum") == 1) { printf (" CRC: %08X", crc32(0, (const u8 *)bd->bi_flashstart, flash_size)
diff --git a/arch/powerpc/cpu/mpc85xx/mp.c b/arch/powerpc/cpu/mpc85xx/mp.c index e1197ac..43d4836 100644 --- a/arch/powerpc/cpu/mpc85xx/mp.c +++ b/arch/powerpc/cpu/mpc85xx/mp.c
@@ -46,10 +46,8 @@ */ int hold_cores_in_reset(int verbose) { - const char *s = getenv("mp_holdoff"); - /* Default to no, overriden by 'y', 'yes', 'Y', 'Yes', or '1' */ - if (s && (*s == 'y' || *s == 'Y' || *s == '1')) { + if (getenv_yesno("mp_holdoff") == 1) { if (verbose) { puts("Secondary cores are being held in reset.\n"); puts("See 'mp_holdoff' environment variable\n");
diff --git a/arch/powerpc/lib/board.c b/arch/powerpc/lib/board.c index 1b051e1..6a7bf4b 100644 --- a/arch/powerpc/lib/board.c +++ b/arch/powerpc/lib/board.c
@@ -739,16 +739,13 @@ flash_size = 0; } else if ((flash_size = flash_init()) > 0) { #ifdef CONFIG_SYS_FLASH_CHECKSUM - char *s; - print_size(flash_size, ""); /* * Compute and print flash CRC if flashchecksum is set to 'y' * * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX */ - s = getenv("flashchecksum"); - if (s && (*s == 'y')) { + if (getenv_yesno("flashchecksum") == 1) { printf(" CRC: %08X", crc32(0, (const unsigned char *) @@ -841,9 +838,7 @@ * "i2cfast" into account */ { - char *s = getenv("i2cfast"); - - if (s && ((*s == 'y') || (*s == 'Y'))) { + if (getenv_yesno("i2cfast") == 1) { bd->bi_iic_fast[0] = 1; bd->bi_iic_fast[1] = 1; }
diff --git a/arch/sparc/lib/board.c b/arch/sparc/lib/board.c index 32d025a..1b5e995 100644 --- a/arch/sparc/lib/board.c +++ b/arch/sparc/lib/board.c
@@ -284,8 +284,7 @@ * * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX */ - s = getenv("flashchecksum"); - if (s && (*s == 'y')) { + if (getenv_yesno("flashchecksum") == 1) { printf(" CRC: %08lX", crc32(0, (const unsigned char *)CONFIG_SYS_FLASH_BASE, flash_size)
diff --git a/board/Marvell/db64360/db64360.c b/board/Marvell/db64360/db64360.c index 6cae686..38769e0 100644 --- a/board/Marvell/db64360/db64360.c +++ b/board/Marvell/db64360/db64360.c
@@ -834,15 +834,11 @@ /*********************************************************************/ int testdram (void) { - char *s; int rundata, runaddress, runwalk; - s = getenv ("testdramdata"); - rundata = (s && (*s == 'y')) ? 1 : 0; - s = getenv ("testdramaddress"); - runaddress = (s && (*s == 'y')) ? 1 : 0; - s = getenv ("testdramwalk"); - runwalk = (s && (*s == 'y')) ? 1 : 0; + rundata = getenv_yesno("testdramdata") == 1; + runaddress = getenv_yesno("testdramaddress") == 1; + runwalk = getenv_yesno("testdramwalk") == 1; /* rundata = 1; */ /* runaddress = 0; */
diff --git a/board/Marvell/db64460/db64460.c b/board/Marvell/db64460/db64460.c index d4f58b3..ddb7ed5 100644 --- a/board/Marvell/db64460/db64460.c +++ b/board/Marvell/db64460/db64460.c
@@ -834,15 +834,11 @@ /*********************************************************************/ int testdram (void) { - char *s; int rundata, runaddress, runwalk; - s = getenv ("testdramdata"); - rundata = (s && (*s == 'y')) ? 1 : 0; - s = getenv ("testdramaddress"); - runaddress = (s && (*s == 'y')) ? 1 : 0; - s = getenv ("testdramwalk"); - runwalk = (s && (*s == 'y')) ? 1 : 0; + rundata = getenv_yesno("testdramdata") == 1; + runaddress = getenv_yesno("testdramaddress") == 1; + runwalk = getenv_yesno("testdramwalk") == 1; /* rundata = 1; */ /* runaddress = 0; */
diff --git a/board/esd/cpci750/cpci750.c b/board/esd/cpci750/cpci750.c index 98051fb..d7deae4 100644 --- a/board/esd/cpci750/cpci750.c +++ b/board/esd/cpci750/cpci750.c
@@ -953,22 +953,18 @@ /*********************************************************************/ int testdram (void) { - char *s; int rundata = 0; int runaddress = 0; int runwalk = 0; #ifdef CONFIG_SYS_DRAM_TEST_DATA - s = getenv ("testdramdata"); - rundata = (s && (*s == 'y')) ? 1 : 0; + rundata = getenv_yesno("testdramdata") == 1; #endif #ifdef CONFIG_SYS_DRAM_TEST_ADDRESS - s = getenv ("testdramaddress"); - runaddress = (s && (*s == 'y')) ? 1 : 0; + runaddress = getenv_yesno("testdramaddress") == 1; #endif #ifdef CONFIG_SYS_DRAM_TEST_WALK - s = getenv ("testdramwalk"); - runwalk = (s && (*s == 'y')) ? 1 : 0; + runwalk = getenv_yesno("testdramwalk") == 1; #endif if ((rundata == 1) || (runaddress == 1) || (runwalk == 1)) {
diff --git a/board/gw8260/gw8260.c b/board/gw8260/gw8260.c index 77a1e1d..64c54d5 100644 --- a/board/gw8260/gw8260.c +++ b/board/gw8260/gw8260.c
@@ -544,15 +544,11 @@ /*********************************************************************/ int testdram (void) { - char *s; int rundata, runaddress, runwalk; - s = getenv ("testdramdata"); - rundata = (s && (*s == 'y')) ? 1 : 0; - s = getenv ("testdramaddress"); - runaddress = (s && (*s == 'y')) ? 1 : 0; - s = getenv ("testdramwalk"); - runwalk = (s && (*s == 'y')) ? 1 : 0; + rundata = getenv_yesno("testdramdata") == 1; + runaddress = getenv_yesno("testdramaddress") == 1; + runwalk = getenv_yesno("testdramwalk") == 1; if ((rundata == 1) || (runaddress == 1) || (runwalk == 1)) { printf ("Testing RAM ... ");
diff --git a/board/prodrive/p3mx/p3mx.c b/board/prodrive/p3mx/p3mx.c index 389affc..c3fd191 100644 --- a/board/prodrive/p3mx/p3mx.c +++ b/board/prodrive/p3mx/p3mx.c
@@ -768,22 +768,18 @@ /*********************************************************************/ int testdram (void) { - char *s; int rundata = 0; int runaddress = 0; int runwalk = 0; #ifdef CONFIG_SYS_DRAM_TEST_DATA - s = getenv ("testdramdata"); - rundata = (s && (*s == 'y')) ? 1 : 0; + rundata = getenv_yesno("testdramdata") == 1; #endif #ifdef CONFIG_SYS_DRAM_TEST_ADDRESS - s = getenv ("testdramaddress"); - runaddress = (s && (*s == 'y')) ? 1 : 0; + runaddress = getenv_yesno("testdramaddress") == 1; #endif #ifdef CONFIG_SYS_DRAM_TEST_WALK - s = getenv ("testdramwalk"); - runwalk = (s && (*s == 'y')) ? 1 : 0; + runwalk = getenv_yesno("testdramwalk") == 1; #endif if ((rundata == 1) || (runaddress == 1) || (runwalk == 1))
diff --git a/common/env_common.c b/common/env_common.c index a960aa8..067fe3f 100644 --- a/common/env_common.c +++ b/common/env_common.c
@@ -81,6 +81,20 @@ return &default_environment[index]; } +/* + * Read an environment variable as a boolean + * Return -1 if variable does not exist (default to true) + */ +int getenv_yesno(const char *var) +{ + char *s = getenv(var); + + if (s == NULL) + return -1; + return (*s == '1' || *s == 'y' || *s == 'Y' || *s == 't' || *s == 'T') ? + 1 : 0; +} + void set_default_env(const char *s) { int flags = 0;
diff --git a/common/image.c b/common/image.c index e93b6e8..69e888c 100644 --- a/common/image.c +++ b/common/image.c
@@ -416,12 +416,6 @@ /* Shared dual-format routines */ /*****************************************************************************/ #ifndef USE_HOSTCC -int getenv_yesno(char *var) -{ - char *s = getenv(var); - return (s && (*s == 'n')) ? 0 : 1; -} - ulong getenv_bootm_low(void) { char *s = getenv("bootm_low");
diff --git a/include/common.h b/include/common.h index 5e3c5ee..d0bf1e8 100644 --- a/include/common.h +++ b/include/common.h
@@ -340,6 +340,11 @@ char *getenv (const char *); int getenv_f (const char *name, char *buf, unsigned len); ulong getenv_ulong(const char *name, int base, ulong default_val); +/* + * Read an environment variable as a boolean + * Return -1 if variable does not exist (default to true) + */ +int getenv_yesno(const char *var); int saveenv (void); int setenv (const char *, const char *); int setenv_ulong(const char *varname, ulong value);
diff --git a/include/image.h b/include/image.h index f54d983..b958b18 100644 --- a/include/image.h +++ b/include/image.h
@@ -460,7 +460,6 @@ int image_check_hcrc(const image_header_t *hdr); int image_check_dcrc(const image_header_t *hdr); #ifndef USE_HOSTCC -int getenv_yesno(char *var); ulong getenv_bootm_low(void); phys_size_t getenv_bootm_size(void); phys_size_t getenv_bootm_mapsize(void);
diff --git a/net/net.c b/net/net.c index 82c4cc9..da68a61 100644 --- a/net/net.c +++ b/net/net.c
@@ -214,26 +214,24 @@ */ void net_auto_load(void) { +#if defined(CONFIG_CMD_NFS) const char *s = getenv("autoload"); - if (s != NULL) { - if (*s == 'n') { - /* - * Just use BOOTP/RARP to configure system; - * Do not use TFTP to load the bootfile. - */ - net_set_state(NETLOOP_SUCCESS); - return; - } -#if defined(CONFIG_CMD_NFS) - if (strcmp(s, "NFS") == 0) { - /* - * Use NFS to load the bootfile. - */ - NfsStart(); - return; - } + if (s != NULL && strcmp(s, "NFS") == 0) { + /* + * Use NFS to load the bootfile. + */ + NfsStart(); + return; + } #endif + if (getenv_yesno("autoload") == 0) { + /* + * Just use BOOTP/RARP to configure system; + * Do not use TFTP to load the bootfile. + */ + net_set_state(NETLOOP_SUCCESS); + return; } TftpStart(TFTPGET); }