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build: Add riscv architecture

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* I mean, qemu 3.0 supports it.
* Nobody get excited, we need all the triplets added to
  our gcc buildtools. clang 7.0 seems to be cool with riscv though.

Change-Id: I17728163e4f28a3c16cee482a253364724b06f3a
This commit is contained in:
Alexander von Gluck IV
2018-11-04 13:47:50 -06:00
parent efafab643c
commit 5bd0fbd13a
3 changed files with 46 additions and 1 deletions
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build/jam/ArchitectureRules
+26
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@@ -295,6 +295,32 @@ rule KernelArchitectureSetup architecture
Exit "HAIKU_NASM not set. Please re-run configure." ;
}
case riscv32 :
HAIKU_BOOT_PLATFORM ?= u-boot ;
HAIKU_BOOT_TARGETS += u-boot ;
HAIKU_BOOT_SDIMAGE_SIZE ?= 128 ;
# SOC's like allwinner need an offset to skip the hardcoded initial loader
HAIKU_BOOT_SDIMAGE_BEGIN = 40950 ; # 512-byte sectors (divisible by 63)
HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ;
# offset in floppy image (>= sizeof(haiku_loader))
HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 192 ; # in kB - unused yet
HAIKU_BOOT_LOADER_BASE ?= 0x1000000 ;
case riscv64 :
HAIKU_BOOT_PLATFORM ?= u-boot ;
HAIKU_BOOT_TARGETS += u-boot ;
HAIKU_BOOT_SDIMAGE_SIZE ?= 128 ;
# SOC's like allwinner need an offset to skip the hardcoded initial loader
HAIKU_BOOT_SDIMAGE_BEGIN = 40950 ; # 512-byte sectors (divisible by 63)
HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ;
# offset in floppy image (>= sizeof(haiku_loader))
HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 192 ; # in kB - unused yet
HAIKU_BOOT_LOADER_BASE ?= 0x1000000 ;
case x86_64 :
# x86_64 completely shares the x86 bootloader for MBR.
HAIKU_KERNEL_PLATFORM ?= bios_ia32 ;