summaryrefslogtreecommitdiff
path: root/arch/riscv/Kconfig
diff options
context:
space:
mode:
Diffstat (limited to 'arch/riscv/Kconfig')
-rw-r--r--arch/riscv/Kconfig21
1 files changed, 20 insertions, 1 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 939ea7f6a228..22dc5ea4196c 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -13,6 +13,7 @@ config 32BIT
config RISCV
def_bool y
select ACPI_GENERIC_GSI if ACPI
+ select ACPI_MCFG if (ACPI && PCI)
select ACPI_PPTT if ACPI
select ACPI_REDUCED_HARDWARE_ONLY if ACPI
select ACPI_SPCR_TABLE if ACPI
@@ -64,10 +65,12 @@ config RISCV
select ARCH_SUPPORTS_LTO_CLANG_THIN if LLD_VERSION >= 140000
select ARCH_SUPPORTS_PAGE_TABLE_CHECK if MMU
select ARCH_SUPPORTS_PER_VMA_LOCK if MMU
+ select ARCH_SUPPORTS_RT
select ARCH_SUPPORTS_SHADOW_CALL_STACK if HAVE_SHADOW_CALL_STACK
select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
select ARCH_USE_MEMTEST
select ARCH_USE_QUEUED_RWLOCKS
+ select ARCH_USE_SYM_ANNOTATIONS
select ARCH_USES_CFI_TRAPS if CFI_CLANG
select ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH if MMU
select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
@@ -92,6 +95,7 @@ config RISCV
select GENERIC_ATOMIC64 if !64BIT
select GENERIC_CLOCKEVENTS_BROADCAST if SMP
select GENERIC_CPU_DEVICES
+ select GENERIC_CPU_VULNERABILITIES
select GENERIC_EARLY_IOREMAP
select GENERIC_ENTRY
select GENERIC_GETTIMEOFDAY if HAVE_GENERIC_VDSO
@@ -156,6 +160,7 @@ config RISCV
select HAVE_KERNEL_LZO if !XIP_KERNEL && !EFI_ZBOOT
select HAVE_KERNEL_UNCOMPRESSED if !XIP_KERNEL && !EFI_ZBOOT
select HAVE_KERNEL_ZSTD if !XIP_KERNEL && !EFI_ZBOOT
+ select HAVE_KERNEL_XZ if !XIP_KERNEL && !EFI_ZBOOT
select HAVE_KPROBES if !XIP_KERNEL
select HAVE_KRETPROBES if !XIP_KERNEL
# https://github.com/ClangBuiltLinux/linux/issues/1881
@@ -172,7 +177,7 @@ config RISCV
select HAVE_REGS_AND_STACK_ACCESS_API
select HAVE_RETHOOK if !XIP_KERNEL
select HAVE_RSEQ
- select HAVE_RUST if 64BIT
+ select HAVE_RUST if RUSTC_SUPPORTS_RISCV
select HAVE_SAMPLE_FTRACE_DIRECT
select HAVE_SAMPLE_FTRACE_DIRECT_MULTI
select HAVE_STACKPROTECTOR
@@ -188,6 +193,7 @@ config RISCV
select OF_EARLY_FLATTREE
select OF_IRQ
select PCI_DOMAINS_GENERIC if PCI
+ select PCI_ECAM if (ACPI && PCI)
select PCI_MSI if PCI
select RISCV_ALTERNATIVE if !XIP_KERNEL
select RISCV_APLIC
@@ -200,8 +206,16 @@ config RISCV
select THREAD_INFO_IN_TASK
select TRACE_IRQFLAGS_SUPPORT
select UACCESS_MEMCPY if !MMU
+ select USER_STACKTRACE_SUPPORT
select ZONE_DMA32 if 64BIT
+config RUSTC_SUPPORTS_RISCV
+ def_bool y
+ depends on 64BIT
+ # Shadow call stack requires rustc version 1.82+ due to use of the
+ # -Zsanitizer=shadow-call-stack flag.
+ depends on !SHADOW_CALL_STACK || RUSTC_VERSION >= 108200
+
config CLANG_SUPPORTS_DYNAMIC_FTRACE
def_bool CC_IS_CLANG
# https://github.com/ClangBuiltLinux/linux/issues/1817
@@ -319,6 +333,11 @@ config GENERIC_HWEIGHT
config FIX_EARLYCON_MEM
def_bool MMU
+config ILLEGAL_POINTER_VALUE
+ hex
+ default 0 if 32BIT
+ default 0xdead000000000000 if 64BIT
+
config PGTABLE_LEVELS
int
default 5 if 64BIT