X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=Kconfig;h=85faff78c8dd3df1da2860906ca0d663d5aa521a;hb=51f2c99e14b28b65b7f66a5cd392fa49c03537aa;hp=b879461b964233fcf97ce537d22fd08551c31f15;hpb=02ebe6f702ec8d025926b0ea7c2088e302c5a302;p=u-boot diff --git a/Kconfig b/Kconfig index b879461b96..85faff78c8 100644 --- a/Kconfig +++ b/Kconfig @@ -54,7 +54,7 @@ config CC_OPTIMIZE_FOR_SIZE config SYS_MALLOC_F bool "Enable malloc() pool before relocation" - default 0x400 + default y if DM help Before relocation memory is very limited on many platforms. Still, we can provide a small malloc() pool if needed. Driver model in @@ -72,13 +72,31 @@ config SYS_MALLOC_F_LEN initial serial device and any others that are needed. menuconfig EXPERT - bool "Configure standard U-Boot features (expert users)" - help - This option allows certain base U-Boot options and settings - to be disabled or tweaked. This is for specialized - environments which can tolerate a "non-standard" U-Boot. - Only use this if you really know what you are doing. - + bool "Configure standard U-Boot features (expert users)" + default y + help + This option allows certain base U-Boot options and settings + to be disabled or tweaked. This is for specialized + environments which can tolerate a "non-standard" U-Boot. + Only use this if you really know what you are doing. + +if EXPERT + config SYS_MALLOC_CLEAR_ON_INIT + bool "Init with zeros the memory reserved for malloc (slow)" + default y + help + This setting is enabled by default. The reserved malloc + memory is initialized with zeros, so first malloc calls + will return the pointer to the zeroed memory. But this + slows the boot time. + + It is recommended to disable it, when CONFIG_SYS_MALLOC_LEN + value, has more than few MiB, e.g. when uses bzip2 or bmp logo. + Then the boot time can be significantly reduced. + Warning: + When disabling this, please check if malloc calls, maybe + should be replaced by calloc - if expects zeroed memory. +endif endmenu # General setup menu "Boot images" @@ -160,13 +178,13 @@ config SYS_EXTRA_OPTIONS new boards should not use this option. config SYS_TEXT_BASE - depends on SPARC || ARC + depends on SPARC || ARC || X86 hex "Text Base" help TODO: Move CONFIG_SYS_TEXT_BASE for all the architecture config SYS_CLK_FREQ - depends on ARC + depends on ARC || ARCH_SUNXI int "CPU clock frequency" help TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture