Hi Dmitry, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on c34f157421f6905e6b4a79a312e9175dce2bc607] url: https://github.com/0day-ci/linux/commits/Dmitry-Safonov/Add-generic-user_landing-tracking/20201109-090354 base: c34f157421f6905e6b4a79a312e9175dce2bc607 config: riscv-randconfig-r026-20201109 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 09ec07827b1128504457a93dee80b2ceee1af600) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/0day-ci/linux/commit/c46ac7ddea192a97f9b0b3aa3536566a37389bec git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Dmitry-Safonov/Add-generic-user_landing-tracking/20201109-090354 git checkout c46ac7ddea192a97f9b0b3aa3536566a37389bec # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): #ifndef _ASM_RISCV_ELF_H ^ In file included from arch/riscv/kernel/traps_misaligned.c:9: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/riscv/include/asm/io.h:149: include/asm-generic/io.h:556:9: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] return inb(addr); ^~~~~~~~~ arch/riscv/include/asm/io.h:55:76: note: expanded from macro 'inb' #define inb(c) ({ u8 __v; __io_pbr(); __v = readb_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:87:48: note: expanded from macro 'readb_cpu' #define readb_cpu(c) ({ u8 __r = __raw_readb(c); __r; }) ^ In file included from arch/riscv/kernel/traps_misaligned.c:9: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/riscv/include/asm/io.h:149: include/asm-generic/io.h:564:9: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] return inw(addr); ^~~~~~~~~ arch/riscv/include/asm/io.h:56:76: note: expanded from macro 'inw' #define inw(c) ({ u16 __v; __io_pbr(); __v = readw_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:88:76: note: expanded from macro 'readw_cpu' #define readw_cpu(c) ({ u16 __r = le16_to_cpu((__force __le16)__raw_readw(c)); __r; }) ^ include/uapi/linux/byteorder/little_endian.h:36:51: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) ^ In file included from arch/riscv/kernel/traps_misaligned.c:9: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/riscv/include/asm/io.h:149: include/asm-generic/io.h:572:9: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] return inl(addr); ^~~~~~~~~ arch/riscv/include/asm/io.h:57:76: note: expanded from macro 'inl' #define inl(c) ({ u32 __v; __io_pbr(); __v = readl_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:89:76: note: expanded from macro 'readl_cpu' #define readl_cpu(c) ({ u32 __r = le32_to_cpu((__force __le32)__raw_readl(c)); __r; }) ^ include/uapi/linux/byteorder/little_endian.h:34:51: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) ^ In file included from arch/riscv/kernel/traps_misaligned.c:9: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/riscv/include/asm/io.h:149: include/asm-generic/io.h:580:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outb(value, addr); ^~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:59:68: note: expanded from macro 'outb' #define outb(v,c) ({ __io_pbw(); writeb_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:91:52: note: expanded from macro 'writeb_cpu' #define writeb_cpu(v, c) ((void)__raw_writeb((v), (c))) ^ In file included from arch/riscv/kernel/traps_misaligned.c:9: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/riscv/include/asm/io.h:149: include/asm-generic/io.h:588:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outw(value, addr); ^~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:60:68: note: expanded from macro 'outw' #define outw(v,c) ({ __io_pbw(); writew_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:92:76: note: expanded from macro 'writew_cpu' #define writew_cpu(v, c) ((void)__raw_writew((__force u16)cpu_to_le16(v), (c))) ^ In file included from arch/riscv/kernel/traps_misaligned.c:9: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/riscv/include/asm/io.h:149: include/asm-generic/io.h:596:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outl(value, addr); ^~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:61:68: note: expanded from macro 'outl' #define outl(v,c) ({ __io_pbw(); writel_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:93:76: note: expanded from macro 'writel_cpu' #define writel_cpu(v, c) ((void)__raw_writel((__force u32)cpu_to_le32(v), (c))) ^ In file included from arch/riscv/kernel/traps_misaligned.c:9: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/riscv/include/asm/io.h:149: include/asm-generic/io.h:1005:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; ~~~~~~~~~~ ^ arch/riscv/kernel/traps_misaligned.c:240:5: warning: no previous prototype for function 'handle_misaligned_load' [-Wmissing-prototypes] int handle_misaligned_load(struct pt_regs *regs) ^ arch/riscv/kernel/traps_misaligned.c:240:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int handle_misaligned_load(struct pt_regs *regs) ^ static >> arch/riscv/kernel/traps_misaligned.c:316:2: warning: shift count is negative [-Wshift-count-negative] SET_RD(insn, regs, val.data_ulong << shift >> shift); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:142:36: note: expanded from macro 'SET_RD' #define SET_RD(insn, regs, val) (*REG_PTR(insn, SH_RD, regs) = (val)) ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:132:28: note: expanded from macro 'REG_PTR' (ulong *)((ulong)(regs) + REG_OFFSET(insn, pos)) ^~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:129:3: note: expanded from macro 'REG_OFFSET' (SHIFT_RIGHT((insn), (pos) - LOG_REGBYTES) & REG_MASK) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:123:18: note: expanded from macro 'SHIFT_RIGHT' ((y) < 0 ? ((x) << -(y)) : ((x) >> (y))) ^ ~~~~ arch/riscv/kernel/traps_misaligned.c:323:5: warning: no previous prototype for function 'handle_misaligned_store' [-Wmissing-prototypes] int handle_misaligned_store(struct pt_regs *regs) ^ arch/riscv/kernel/traps_misaligned.c:323:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int handle_misaligned_store(struct pt_regs *regs) ^ static arch/riscv/kernel/traps_misaligned.c:333:19: warning: shift count is negative [-Wshift-count-negative] val.data_ulong = GET_RS2(insn, regs); ^~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:137:32: note: expanded from macro 'GET_RS2' #define GET_RS2(insn, regs) (*REG_PTR(insn, SH_RS2, regs)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:132:28: note: expanded from macro 'REG_PTR' (ulong *)((ulong)(regs) + REG_OFFSET(insn, pos)) ^~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:129:3: note: expanded from macro 'REG_OFFSET' (SHIFT_RIGHT((insn), (pos) - LOG_REGBYTES) & REG_MASK) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:123:18: note: expanded from macro 'SHIFT_RIGHT' ((y) < 0 ? ((x) << -(y)) : ((x) >> (y))) ^ ~~~~ arch/riscv/kernel/traps_misaligned.c:346:20: warning: shift count is negative [-Wshift-count-negative] val.data_ulong = GET_RS2S(insn, regs); ^~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:139:33: note: expanded from macro 'GET_RS2S' #define GET_RS2S(insn, regs) (*REG_PTR(RVC_RS2S(insn), 0, regs)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:132:28: note: expanded from macro 'REG_PTR' (ulong *)((ulong)(regs) + REG_OFFSET(insn, pos)) ^~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:129:3: note: expanded from macro 'REG_OFFSET' (SHIFT_RIGHT((insn), (pos) - LOG_REGBYTES) & REG_MASK) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:123:34: note: expanded from macro 'SHIFT_RIGHT' ((y) < 0 ? ((x) << -(y)) : ((x) >> (y))) ^ ~~~ arch/riscv/kernel/traps_misaligned.c:350:20: warning: shift count is negative [-Wshift-count-negative] val.data_ulong = GET_RS2C(insn, regs); ^~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:140:33: note: expanded from macro 'GET_RS2C' #define GET_RS2C(insn, regs) (*REG_PTR(insn, SH_RS2C, regs)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:132:28: note: expanded from macro 'REG_PTR' (ulong *)((ulong)(regs) + REG_OFFSET(insn, pos)) ^~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:129:3: note: expanded from macro 'REG_OFFSET' (SHIFT_RIGHT((insn), (pos) - LOG_REGBYTES) & REG_MASK) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:123:34: note: expanded from macro 'SHIFT_RIGHT' ((y) < 0 ? ((x) << -(y)) : ((x) >> (y))) ^ ~~~ arch/riscv/kernel/traps_misaligned.c:354:20: warning: shift count is negative [-Wshift-count-negative] val.data_ulong = GET_RS2S(insn, regs); ^~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:139:33: note: expanded from macro 'GET_RS2S' #define GET_RS2S(insn, regs) (*REG_PTR(RVC_RS2S(insn), 0, regs)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:132:28: note: expanded from macro 'REG_PTR' (ulong *)((ulong)(regs) + REG_OFFSET(insn, pos)) ^~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:129:3: note: expanded from macro 'REG_OFFSET' (SHIFT_RIGHT((insn), (pos) - LOG_REGBYTES) & REG_MASK) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:123:34: note: expanded from macro 'SHIFT_RIGHT' ((y) < 0 ? ((x) << -(y)) : ((x) >> (y))) ^ ~~~ arch/riscv/kernel/traps_misaligned.c:358:20: warning: shift count is negative [-Wshift-count-negative] val.data_ulong = GET_RS2C(insn, regs); ^~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:140:33: note: expanded from macro 'GET_RS2C' #define GET_RS2C(insn, regs) (*REG_PTR(insn, SH_RS2C, regs)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:132:28: note: expanded from macro 'REG_PTR' (ulong *)((ulong)(regs) + REG_OFFSET(insn, pos)) ^~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:129:3: note: expanded from macro 'REG_OFFSET' (SHIFT_RIGHT((insn), (pos) - LOG_REGBYTES) & REG_MASK) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/traps_misaligned.c:123:34: note: expanded from macro 'SHIFT_RIGHT' ((y) < 0 ? ((x) << -(y)) : ((x) >> (y))) ^ ~~~ 15 warnings and 1 error generated. -- In file included from arch/riscv/include/asm/io.h:149: include/asm-generic/io.h:556:9: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] return inb(addr); ^~~~~~~~~ arch/riscv/include/asm/io.h:55:76: note: expanded from macro 'inb' #define inb(c) ({ u8 __v; __io_pbr(); __v = readb_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:87:48: note: expanded from macro 'readb_cpu' #define readb_cpu(c) ({ u8 __r = __raw_readb(c); __r; }) ^ In file included from drivers/gpu/drm/vkms/vkms_drv.c:14: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/riscv/include/asm/io.h:149: include/asm-generic/io.h:564:9: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] return inw(addr); ^~~~~~~~~ arch/riscv/include/asm/io.h:56:76: note: expanded from macro 'inw' #define inw(c) ({ u16 __v; __io_pbr(); __v = readw_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:88:76: note: expanded from macro 'readw_cpu' #define readw_cpu(c) ({ u16 __r = le16_to_cpu((__force __le16)__raw_readw(c)); __r; }) ^ include/uapi/linux/byteorder/little_endian.h:36:51: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) ^ In file included from drivers/gpu/drm/vkms/vkms_drv.c:14: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/riscv/include/asm/io.h:149: include/asm-generic/io.h:572:9: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] return inl(addr); ^~~~~~~~~ arch/riscv/include/asm/io.h:57:76: note: expanded from macro 'inl' #define inl(c) ({ u32 __v; __io_pbr(); __v = readl_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:89:76: note: expanded from macro 'readl_cpu' #define readl_cpu(c) ({ u32 __r = le32_to_cpu((__force __le32)__raw_readl(c)); __r; }) ^ include/uapi/linux/byteorder/little_endian.h:34:51: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) ^ In file included from drivers/gpu/drm/vkms/vkms_drv.c:14: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/riscv/include/asm/io.h:149: include/asm-generic/io.h:580:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outb(value, addr); ^~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:59:68: note: expanded from macro 'outb' #define outb(v,c) ({ __io_pbw(); writeb_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:91:52: note: expanded from macro 'writeb_cpu' #define writeb_cpu(v, c) ((void)__raw_writeb((v), (c))) ^ In file included from drivers/gpu/drm/vkms/vkms_drv.c:14: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/riscv/include/asm/io.h:149: include/asm-generic/io.h:588:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outw(value, addr); ^~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:60:68: note: expanded from macro 'outw' #define outw(v,c) ({ __io_pbw(); writew_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:92:76: note: expanded from macro 'writew_cpu' #define writew_cpu(v, c) ((void)__raw_writew((__force u16)cpu_to_le16(v), (c))) ^ In file included from drivers/gpu/drm/vkms/vkms_drv.c:14: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/riscv/include/asm/io.h:149: include/asm-generic/io.h:596:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outl(value, addr); ^~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:61:68: note: expanded from macro 'outl' #define outl(v,c) ({ __io_pbw(); writel_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:93:76: note: expanded from macro 'writel_cpu' #define writel_cpu(v, c) ((void)__raw_writel((__force u32)cpu_to_le32(v), (c))) ^ In file included from drivers/gpu/drm/vkms/vkms_drv.c:14: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/riscv/include/asm/io.h:149: include/asm-generic/io.h:1005:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; ~~~~~~~~~~ ^ In file included from drivers/gpu/drm/vkms/vkms_drv.c:20: In file included from include/drm/drm_fb_helper.h:39: In file included from include/linux/vgaarb.h:34: include/video/vga.h:215:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outw(VGA_OUT16VAL (val, reg), port); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:60:68: note: expanded from macro 'outw' #define outw(v,c) ({ __io_pbw(); writew_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:92:76: note: expanded from macro 'writew_cpu' #define writew_cpu(v, c) ((void)__raw_writew((__force u16)cpu_to_le16(v), (c))) ^ >> drivers/gpu/drm/vkms/vkms_drv.c:146:9: warning: shift count >= width of type [-Wshift-count-overflow] DMA_BIT_MASK(64)); ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ 9 warnings and 1 error generated. vim +316 arch/riscv/kernel/traps_misaligned.c 956d705dd279f7 Damien Le Moal 2020-03-16 239 956d705dd279f7 Damien Le Moal 2020-03-16 240 int handle_misaligned_load(struct pt_regs *regs) 956d705dd279f7 Damien Le Moal 2020-03-16 241 { 956d705dd279f7 Damien Le Moal 2020-03-16 242 union reg_data val; 956d705dd279f7 Damien Le Moal 2020-03-16 243 unsigned long epc = regs->epc; 956d705dd279f7 Damien Le Moal 2020-03-16 244 unsigned long insn = get_insn(epc); 956d705dd279f7 Damien Le Moal 2020-03-16 245 unsigned long addr = csr_read(mtval); 956d705dd279f7 Damien Le Moal 2020-03-16 246 int i, fp = 0, shift = 0, len = 0; 956d705dd279f7 Damien Le Moal 2020-03-16 247 956d705dd279f7 Damien Le Moal 2020-03-16 248 regs->epc = 0; 956d705dd279f7 Damien Le Moal 2020-03-16 249 956d705dd279f7 Damien Le Moal 2020-03-16 250 if ((insn & INSN_MASK_LW) == INSN_MATCH_LW) { 956d705dd279f7 Damien Le Moal 2020-03-16 251 len = 4; 956d705dd279f7 Damien Le Moal 2020-03-16 252 shift = 8 * (sizeof(unsigned long) - len); 956d705dd279f7 Damien Le Moal 2020-03-16 253 #if defined(CONFIG_64BIT) 956d705dd279f7 Damien Le Moal 2020-03-16 254 } else if ((insn & INSN_MASK_LD) == INSN_MATCH_LD) { 956d705dd279f7 Damien Le Moal 2020-03-16 255 len = 8; 956d705dd279f7 Damien Le Moal 2020-03-16 256 shift = 8 * (sizeof(unsigned long) - len); 956d705dd279f7 Damien Le Moal 2020-03-16 257 } else if ((insn & INSN_MASK_LWU) == INSN_MATCH_LWU) { 956d705dd279f7 Damien Le Moal 2020-03-16 258 len = 4; 956d705dd279f7 Damien Le Moal 2020-03-16 259 #endif 956d705dd279f7 Damien Le Moal 2020-03-16 260 } else if ((insn & INSN_MASK_FLD) == INSN_MATCH_FLD) { 956d705dd279f7 Damien Le Moal 2020-03-16 261 fp = 1; 956d705dd279f7 Damien Le Moal 2020-03-16 262 len = 8; 956d705dd279f7 Damien Le Moal 2020-03-16 263 } else if ((insn & INSN_MASK_FLW) == INSN_MATCH_FLW) { 956d705dd279f7 Damien Le Moal 2020-03-16 264 fp = 1; 956d705dd279f7 Damien Le Moal 2020-03-16 265 len = 4; 956d705dd279f7 Damien Le Moal 2020-03-16 266 } else if ((insn & INSN_MASK_LH) == INSN_MATCH_LH) { 956d705dd279f7 Damien Le Moal 2020-03-16 267 len = 2; 956d705dd279f7 Damien Le Moal 2020-03-16 268 shift = 8 * (sizeof(unsigned long) - len); 956d705dd279f7 Damien Le Moal 2020-03-16 269 } else if ((insn & INSN_MASK_LHU) == INSN_MATCH_LHU) { 956d705dd279f7 Damien Le Moal 2020-03-16 270 len = 2; 956d705dd279f7 Damien Le Moal 2020-03-16 271 #if defined(CONFIG_64BIT) 956d705dd279f7 Damien Le Moal 2020-03-16 272 } else if ((insn & INSN_MASK_C_LD) == INSN_MATCH_C_LD) { 956d705dd279f7 Damien Le Moal 2020-03-16 273 len = 8; 956d705dd279f7 Damien Le Moal 2020-03-16 274 shift = 8 * (sizeof(unsigned long) - len); 956d705dd279f7 Damien Le Moal 2020-03-16 275 insn = RVC_RS2S(insn) << SH_RD; 956d705dd279f7 Damien Le Moal 2020-03-16 276 } else if ((insn & INSN_MASK_C_LDSP) == INSN_MATCH_C_LDSP && 956d705dd279f7 Damien Le Moal 2020-03-16 277 ((insn >> SH_RD) & 0x1f)) { 956d705dd279f7 Damien Le Moal 2020-03-16 278 len = 8; 956d705dd279f7 Damien Le Moal 2020-03-16 279 shift = 8 * (sizeof(unsigned long) - len); 956d705dd279f7 Damien Le Moal 2020-03-16 280 #endif 956d705dd279f7 Damien Le Moal 2020-03-16 281 } else if ((insn & INSN_MASK_C_LW) == INSN_MATCH_C_LW) { 956d705dd279f7 Damien Le Moal 2020-03-16 282 len = 4; 956d705dd279f7 Damien Le Moal 2020-03-16 283 shift = 8 * (sizeof(unsigned long) - len); 956d705dd279f7 Damien Le Moal 2020-03-16 284 insn = RVC_RS2S(insn) << SH_RD; 956d705dd279f7 Damien Le Moal 2020-03-16 285 } else if ((insn & INSN_MASK_C_LWSP) == INSN_MATCH_C_LWSP && 956d705dd279f7 Damien Le Moal 2020-03-16 286 ((insn >> SH_RD) & 0x1f)) { 956d705dd279f7 Damien Le Moal 2020-03-16 287 len = 4; 956d705dd279f7 Damien Le Moal 2020-03-16 288 shift = 8 * (sizeof(unsigned long) - len); 956d705dd279f7 Damien Le Moal 2020-03-16 289 } else if ((insn & INSN_MASK_C_FLD) == INSN_MATCH_C_FLD) { 956d705dd279f7 Damien Le Moal 2020-03-16 290 fp = 1; 956d705dd279f7 Damien Le Moal 2020-03-16 291 len = 8; 956d705dd279f7 Damien Le Moal 2020-03-16 292 insn = RVC_RS2S(insn) << SH_RD; 956d705dd279f7 Damien Le Moal 2020-03-16 293 } else if ((insn & INSN_MASK_C_FLDSP) == INSN_MATCH_C_FLDSP) { 956d705dd279f7 Damien Le Moal 2020-03-16 294 fp = 1; 956d705dd279f7 Damien Le Moal 2020-03-16 295 len = 8; 956d705dd279f7 Damien Le Moal 2020-03-16 296 #if defined(CONFIG_32BIT) 956d705dd279f7 Damien Le Moal 2020-03-16 297 } else if ((insn & INSN_MASK_C_FLW) == INSN_MATCH_C_FLW) { 956d705dd279f7 Damien Le Moal 2020-03-16 298 fp = 1; 956d705dd279f7 Damien Le Moal 2020-03-16 299 len = 4; 956d705dd279f7 Damien Le Moal 2020-03-16 300 insn = RVC_RS2S(insn) << SH_RD; 956d705dd279f7 Damien Le Moal 2020-03-16 301 } else if ((insn & INSN_MASK_C_FLWSP) == INSN_MATCH_C_FLWSP) { 956d705dd279f7 Damien Le Moal 2020-03-16 302 fp = 1; 956d705dd279f7 Damien Le Moal 2020-03-16 303 len = 4; 956d705dd279f7 Damien Le Moal 2020-03-16 304 #endif 956d705dd279f7 Damien Le Moal 2020-03-16 305 } else { 956d705dd279f7 Damien Le Moal 2020-03-16 306 regs->epc = epc; 956d705dd279f7 Damien Le Moal 2020-03-16 307 return -1; 956d705dd279f7 Damien Le Moal 2020-03-16 308 } 956d705dd279f7 Damien Le Moal 2020-03-16 309 956d705dd279f7 Damien Le Moal 2020-03-16 310 val.data_u64 = 0; 956d705dd279f7 Damien Le Moal 2020-03-16 311 for (i = 0; i < len; i++) 956d705dd279f7 Damien Le Moal 2020-03-16 312 val.data_bytes[i] = load_u8((void *)(addr + i)); 956d705dd279f7 Damien Le Moal 2020-03-16 313 956d705dd279f7 Damien Le Moal 2020-03-16 314 if (fp) 956d705dd279f7 Damien Le Moal 2020-03-16 315 return -1; 956d705dd279f7 Damien Le Moal 2020-03-16 @316 SET_RD(insn, regs, val.data_ulong << shift >> shift); 956d705dd279f7 Damien Le Moal 2020-03-16 317 956d705dd279f7 Damien Le Moal 2020-03-16 318 regs->epc = epc + INSN_LEN(insn); 956d705dd279f7 Damien Le Moal 2020-03-16 319 956d705dd279f7 Damien Le Moal 2020-03-16 320 return 0; 956d705dd279f7 Damien Le Moal 2020-03-16 321 } 956d705dd279f7 Damien Le Moal 2020-03-16 322 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
Attachment:
.config.gz
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