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riscv: Fix build error on rv32 + XIP
commit66f1e68093
("riscv: Make XIP bootable again") restricted page offset to the sv39 page offset instead of the default sv57, which makes sense since probably the platforms that target XIP kernels do not support anything else than sv39 and we do not try to find out the largest address space supported on XIP kernels (ie set_satp_mode()). But PAGE_OFFSET_L3 is not defined for rv32, so fix the build error by restoring the previous behaviour which picks CONFIG_PAGE_OFFSET for rv32. Fixes:66f1e68093
("riscv: Make XIP bootable again") Reported-by: Randy Dunlap <rdunlap@infradead.org> Closes: https://lore.kernel.org/linux-riscv/344dca85-5c48-44e1-bc64-4fa7973edd12@infradead.org/T/#u Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested Link: https://lore.kernel.org/r/20240118212120.2087803-1-alexghiti@rivosinc.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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@ -1060,7 +1060,11 @@ asmlinkage void __init setup_vm(uintptr_t dtb_pa)
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kernel_map.virt_addr = KERNEL_LINK_ADDR + kernel_map.virt_offset;
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#ifdef CONFIG_XIP_KERNEL
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#ifdef CONFIG_64BIT
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kernel_map.page_offset = PAGE_OFFSET_L3;
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#else
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kernel_map.page_offset = _AC(CONFIG_PAGE_OFFSET, UL);
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#endif
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kernel_map.xiprom = (uintptr_t)CONFIG_XIP_PHYS_ADDR;
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kernel_map.xiprom_sz = (uintptr_t)(&_exiprom) - (uintptr_t)(&_xiprom);
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