Hi Andrew, On Wed, 20 Nov 2024 at 03:02, Andrew Goodbody <[email protected]> wrote: > > Select CONFIG_64BIT so that we pass the -m64 option (instead of -m32) to > static analysis tools. > Introduce CONFIG_SPL_64BIT and select it for architectures other than > x86 with 64 bit builds. Do not select it for x86 builds as x86 uses > a 32 bit SPL. > Ensure that when limits are set they use CONFIG_64BIT for U-Boot > proper and CONFIG_SPL_64BIT for SPL. This is to allow for the 32 bit > SPL build used by x86. > > Signed-off-by: Dan Carpenter <[email protected]> > Signed-off-by: Andrew Goodbody <[email protected]> > --- > > Changes in v3: > Introduce CONFIG_SPL_64BIT to allow for x86 building a 32 bit SPL and > a 64 bit U-Boot proper. > > Changes in v2: > Corrected commit title to be x86 not sandbox > > arch/Kconfig | 3 +++ > arch/arm/Kconfig | 1 + > arch/mips/Kconfig | 4 ++++ > arch/riscv/Kconfig | 1 + > arch/sandbox/Kconfig | 1 + > arch/x86/Kconfig | 1 + > common/bloblist.c | 3 ++- > include/limits.h | 3 ++- > 8 files changed, 15 insertions(+), 2 deletions(-) > > diff --git a/arch/Kconfig b/arch/Kconfig > index 6258788f53..c726ac5fc7 100644 > --- a/arch/Kconfig > +++ b/arch/Kconfig > @@ -38,6 +38,9 @@ config 32BIT > config 64BIT > bool > > +config SPL_64BIT > + bool
Please document what this means and its implications, with some help > + > config SYS_CACHELINE_SIZE > int > default 128 if SYS_CACHE_SHIFT_7 > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > index 7282c4123b..055762b0b9 100644 > --- a/arch/arm/Kconfig > +++ b/arch/arm/Kconfig > @@ -7,6 +7,7 @@ config SYS_ARCH > config ARM64 > bool > select 64BIT > + select SPL_64BIT if SPL > select PHYS_64BIT > select SYS_CACHE_SHIFT_6 > imply SPL_SEPARATE_BSS > diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig > index 38577af43d..7ea439e857 100644 > --- a/arch/mips/Kconfig > +++ b/arch/mips/Kconfig > @@ -211,6 +211,7 @@ config CPU_MIPS64_R1 > bool "MIPS64 Release 1" > depends on SUPPORTS_CPU_MIPS64_R1 > select 64BIT > + select SPL_64BIT if SPL > help > Choose this option to build a kernel for release 1 through 5 of the > MIPS64 architecture. > @@ -219,6 +220,7 @@ config CPU_MIPS64_R2 > bool "MIPS64 Release 2" > depends on SUPPORTS_CPU_MIPS64_R2 > select 64BIT > + select SPL_64BIT if SPL > help > Choose this option to build a kernel for release 2 through 5 of the > MIPS64 architecture. > @@ -227,6 +229,7 @@ config CPU_MIPS64_R6 > bool "MIPS64 Release 6" > depends on SUPPORTS_CPU_MIPS64_R6 > select 64BIT > + select SPL_64BIT if SPL > help > Choose this option to build a kernel for release 6 or later of the > MIPS64 architecture. > @@ -235,6 +238,7 @@ config CPU_MIPS64_OCTEON > bool "Marvell Octeon series of CPUs" > depends on SUPPORTS_CPU_MIPS64_OCTEON > select 64BIT > + select SPL_64BIT if SPL > help > Choose this option for Marvell Octeon CPUs. These CPUs are between > MIPS64 R5 and R6 with other extensions. > diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig > index 043d963f63..abb7a984c4 100644 > --- a/arch/riscv/Kconfig > +++ b/arch/riscv/Kconfig > @@ -120,6 +120,7 @@ config ARCH_RV32I > config ARCH_RV64I > bool "RV64I" > select 64BIT > + select SPL_64BIT if SPL > select PHYS_64BIT > help > Choose this option to target the RV64I base integer instruction set. > diff --git a/arch/sandbox/Kconfig b/arch/sandbox/Kconfig > index db29ca14bd..4c169034d9 100644 > --- a/arch/sandbox/Kconfig > +++ b/arch/sandbox/Kconfig > @@ -47,6 +47,7 @@ config HOST_32BIT > config HOST_64BIT > def_bool $(cc-define,_LP64) > select 64BIT > + select SPL_64BIT if SPL > > config HOST_HAS_SDL > def_bool $(success,sdl2-config --version) > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index 23a1e21b29..006a59d6fa 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -44,6 +44,7 @@ endchoice > > config X86_64 > bool > + select 64BIT > > config SPL_X86_64 > bool > diff --git a/common/bloblist.c b/common/bloblist.c > index ec6ff7a5a9..30fe1cb4b3 100644 > --- a/common/bloblist.c > +++ b/common/bloblist.c > @@ -579,7 +579,8 @@ int bloblist_check_reg_conv(ulong rfdt, ulong rzero, > ulong rsig) > ulong version = BLOBLIST_REGCONV_VER; > ulong sigval; > > - sigval = (IS_ENABLED(CONFIG_64BIT)) ? > + sigval = ((IS_ENABLED(CONFIG_64BIT) && !IS_ENABLED(CONFIG_SPL_BUILD)) > || > + (IS_ENABLED(CONFIG_SPL_64BIT) && > IS_ENABLED(CONFIG_SPL_BUILD))) ? > ((BLOBLIST_MAGIC & ((1UL << > BLOBLIST_REGCONV_SHIFT_64) - 1)) | > ((version & BLOBLIST_REGCONV_MASK) << > BLOBLIST_REGCONV_SHIFT_64)) : > ((BLOBLIST_MAGIC & ((1UL << > BLOBLIST_REGCONV_SHIFT_32) - 1)) | Gosh this is pretty ugly. Can you split it into separate statements? > diff --git a/include/limits.h b/include/limits.h > index 4700cc7a59..1d0bbf69be 100644 > --- a/include/limits.h > +++ b/include/limits.h > @@ -9,7 +9,8 @@ > #define UINT32_MAX 0xffffffffU > #define UINT64_MAX 0xffffffffffffffffULL > > -#ifdef CONFIG_64BIT > +#if (defined(CONFIG_64BIT) && !defined(CONFIG_SPL_BUILD)) || \ > + (defined(CONFIG_SPL_64BIT) && defined(CONFIG_SPL_BUILD)) > #define UINTPTR_MAX UINT64_MAX > #else > #define UINTPTR_MAX UINT32_MAX > -- > 2.39.5 > REgards, Simon

