Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 644 insertions, 0 deletions

diff --git a/arch/mips/mm/uasm.c b/arch/mips/mm/uasm.c
new file mode 100644
index 000000000..125140979
--- /dev/null
+++ b/arch/mips/mm/uasm.c
@@ -0,0 +1,644 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * A small micro-assembler. It is intentionally kept simple, does only
+ * support a subset of instructions, and does not try to hide pipeline
+ * effects like branch delay slots.
+ *
+ * Copyright (C) 2004, 2005, 2006, 2008	 Thiemo Seufer
+ * Copyright (C) 2005, 2007  Maciej W. Rozycki
+ * Copyright (C) 2006  Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 2012, 2013  MIPS Technologies, Inc.  All rights reserved.
+ */
+
+enum fields {
+	RS = 0x001,
+	RT = 0x002,
+	RD = 0x004,
+	RE = 0x008,
+	SIMM = 0x010,
+	UIMM = 0x020,
+	BIMM = 0x040,
+	JIMM = 0x080,
+	FUNC = 0x100,
+	SET = 0x200,
+	SCIMM = 0x400,
+	SIMM9 = 0x800,
+};
+
+#define OP_MASK		0x3f
+#define OP_SH		26
+#define RD_MASK		0x1f
+#define RD_SH		11
+#define RE_MASK		0x1f
+#define RE_SH		6
+#define IMM_MASK	0xffff
+#define IMM_SH		0
+#define JIMM_MASK	0x3ffffff
+#define JIMM_SH		0
+#define FUNC_MASK	0x3f
+#define FUNC_SH		0
+#define SET_MASK	0x7
+#define SET_SH		0
+#define SIMM9_SH	7
+#define SIMM9_MASK	0x1ff
+
+enum opcode {
+	insn_addiu, insn_addu, insn_and, insn_andi, insn_bbit0, insn_bbit1,
+	insn_beq, insn_beql, insn_bgez, insn_bgezl, insn_bgtz, insn_blez,
+	insn_bltz, insn_bltzl, insn_bne, insn_break, insn_cache, insn_cfc1,
+	insn_cfcmsa, insn_ctc1, insn_ctcmsa, insn_daddiu, insn_daddu, insn_ddivu,
+	insn_ddivu_r6, insn_di, insn_dins, insn_dinsm, insn_dinsu, insn_divu,
+	insn_divu_r6, insn_dmfc0, insn_dmodu, insn_dmtc0, insn_dmultu,
+	insn_dmulu, insn_drotr, insn_drotr32, insn_dsbh, insn_dshd, insn_dsll,
+	insn_dsll32, insn_dsllv, insn_dsra, insn_dsra32, insn_dsrav, insn_dsrl,
+	insn_dsrl32, insn_dsrlv, insn_dsubu, insn_eret, insn_ext, insn_ins,
+	insn_j, insn_jal, insn_jalr, insn_jr, insn_lb, insn_lbu, insn_ld,
+	insn_lddir, insn_ldpte, insn_ldx, insn_lh, insn_lhu, insn_ll, insn_lld,
+	insn_lui, insn_lw, insn_lwu, insn_lwx, insn_mfc0, insn_mfhc0, insn_mfhi,
+	insn_mflo, insn_modu, insn_movn, insn_movz, insn_mtc0, insn_mthc0,
+	insn_mthi, insn_mtlo, insn_mul, insn_multu, insn_mulu, insn_muhu, insn_nor,
+	insn_or, insn_ori, insn_pref, insn_rfe, insn_rotr, insn_sb, insn_sc,
+	insn_scd, insn_seleqz, insn_selnez, insn_sd, insn_sh, insn_sll,
+	insn_sllv, insn_slt, insn_slti, insn_sltiu, insn_sltu, insn_sra,
+	insn_srav, insn_srl, insn_srlv, insn_subu, insn_sw, insn_sync,
+	insn_syscall, insn_tlbp, insn_tlbr, insn_tlbwi, insn_tlbwr, insn_wait,
+	insn_wsbh, insn_xor, insn_xori, insn_yield,
+	insn_invalid /* insn_invalid must be last */
+};
+
+struct insn {
+	u32 match;
+	enum fields fields;
+};
+
+static inline u32 build_rs(u32 arg)
+{
+	WARN(arg & ~RS_MASK, KERN_WARNING "Micro-assembler field overflow\n");
+
+	return (arg & RS_MASK) << RS_SH;
+}
+
+static inline u32 build_rt(u32 arg)
+{
+	WARN(arg & ~RT_MASK, KERN_WARNING "Micro-assembler field overflow\n");
+
+	return (arg & RT_MASK) << RT_SH;
+}
+
+static inline u32 build_rd(u32 arg)
+{
+	WARN(arg & ~RD_MASK, KERN_WARNING "Micro-assembler field overflow\n");
+
+	return (arg & RD_MASK) << RD_SH;
+}
+
+static inline u32 build_re(u32 arg)
+{
+	WARN(arg & ~RE_MASK, KERN_WARNING "Micro-assembler field overflow\n");
+
+	return (arg & RE_MASK) << RE_SH;
+}
+
+static inline u32 build_simm(s32 arg)
+{
+	WARN(arg > 0x7fff || arg < -0x8000,
+	     KERN_WARNING "Micro-assembler field overflow\n");
+
+	return arg & 0xffff;
+}
+
+static inline u32 build_uimm(u32 arg)
+{
+	WARN(arg & ~IMM_MASK, KERN_WARNING "Micro-assembler field overflow\n");
+
+	return arg & IMM_MASK;
+}
+
+static inline u32 build_scimm(u32 arg)
+{
+	WARN(arg & ~SCIMM_MASK,
+	     KERN_WARNING "Micro-assembler field overflow\n");
+
+	return (arg & SCIMM_MASK) << SCIMM_SH;
+}
+
+static inline u32 build_scimm9(s32 arg)
+{
+	WARN((arg > 0xff || arg < -0x100),
+	       KERN_WARNING "Micro-assembler field overflow\n");
+
+	return (arg & SIMM9_MASK) << SIMM9_SH;
+}
+
+static inline u32 build_func(u32 arg)
+{
+	WARN(arg & ~FUNC_MASK, KERN_WARNING "Micro-assembler field overflow\n");
+
+	return arg & FUNC_MASK;
+}
+
+static inline u32 build_set(u32 arg)
+{
+	WARN(arg & ~SET_MASK, KERN_WARNING "Micro-assembler field overflow\n");
+
+	return arg & SET_MASK;
+}
+
+static void build_insn(u32 **buf, enum opcode opc, ...);
+
+#define I_u1u2u3(op)					\
+Ip_u1u2u3(op)						\
+{							\
+	build_insn(buf, insn##op, a, b, c);		\
+}							\
+UASM_EXPORT_SYMBOL(uasm_i##op);
+
+#define I_s3s1s2(op)					\
+Ip_s3s1s2(op)						\
+{							\
+	build_insn(buf, insn##op, b, c, a);		\
+}							\
+UASM_EXPORT_SYMBOL(uasm_i##op);
+
+#define I_u2u1u3(op)					\
+Ip_u2u1u3(op)						\
+{							\
+	build_insn(buf, insn##op, b, a, c);		\
+}							\
+UASM_EXPORT_SYMBOL(uasm_i##op);
+
+#define I_u3u2u1(op)					\
+Ip_u3u2u1(op)						\
+{							\
+	build_insn(buf, insn##op, c, b, a);		\
+}							\
+UASM_EXPORT_SYMBOL(uasm_i##op);
+
+#define I_u3u1u2(op)					\
+Ip_u3u1u2(op)						\
+{							\
+	build_insn(buf, insn##op, b, c, a);		\
+}							\
+UASM_EXPORT_SYMBOL(uasm_i##op);
+
+#define I_u1u2s3(op)					\
+Ip_u1u2s3(op)						\
+{							\
+	build_insn(buf, insn##op, a, b, c);		\
+}							\
+UASM_EXPORT_SYMBOL(uasm_i##op);
+
+#define I_u2s3u1(op)					\
+Ip_u2s3u1(op)						\
+{							\
+	build_insn(buf, insn##op, c, a, b);		\
+}							\
+UASM_EXPORT_SYMBOL(uasm_i##op);
+
+#define I_u2u1s3(op)					\
+Ip_u2u1s3(op)						\
+{							\
+	build_insn(buf, insn##op, b, a, c);		\
+}							\
+UASM_EXPORT_SYMBOL(uasm_i##op);
+
+#define I_u2u1msbu3(op)					\
+Ip_u2u1msbu3(op)					\
+{							\
+	build_insn(buf, insn##op, b, a, c+d-1, c);	\
+}							\
+UASM_EXPORT_SYMBOL(uasm_i##op);
+
+#define I_u2u1msb32u3(op)				\
+Ip_u2u1msbu3(op)					\
+{							\
+	build_insn(buf, insn##op, b, a, c+d-33, c);	\
+}							\
+UASM_EXPORT_SYMBOL(uasm_i##op);
+
+#define I_u2u1msb32msb3(op)				\
+Ip_u2u1msbu3(op)					\
+{							\
+	build_insn(buf, insn##op, b, a, c+d-33, c-32);	\
+}							\
+UASM_EXPORT_SYMBOL(uasm_i##op);
+
+#define I_u2u1msbdu3(op)				\
+Ip_u2u1msbu3(op)					\
+{							\
+	build_insn(buf, insn##op, b, a, d-1, c);	\
+}							\
+UASM_EXPORT_SYMBOL(uasm_i##op);
+
+#define I_u1u2(op)					\
+Ip_u1u2(op)						\
+{							\
+	build_insn(buf, insn##op, a, b);		\
+}							\
+UASM_EXPORT_SYMBOL(uasm_i##op);
+
+#define I_u2u1(op)					\
+Ip_u1u2(op)						\
+{							\
+	build_insn(buf, insn##op, b, a);		\
+}							\
+UASM_EXPORT_SYMBOL(uasm_i##op);
+
+#define I_u1s2(op)					\
+Ip_u1s2(op)						\
+{							\
+	build_insn(buf, insn##op, a, b);		\
+}							\
+UASM_EXPORT_SYMBOL(uasm_i##op);
+
+#define I_u1(op)					\
+Ip_u1(op)						\
+{							\
+	build_insn(buf, insn##op, a);			\
+}							\
+UASM_EXPORT_SYMBOL(uasm_i##op);
+
+#define I_0(op)						\
+Ip_0(op)						\
+{							\
+	build_insn(buf, insn##op);			\
+}							\
+UASM_EXPORT_SYMBOL(uasm_i##op);
+
+I_u2u1s3(_addiu)
+I_u3u1u2(_addu)
+I_u2u1u3(_andi)
+I_u3u1u2(_and)
+I_u1u2s3(_beq)
+I_u1u2s3(_beql)
+I_u1s2(_bgez)
+I_u1s2(_bgezl)
+I_u1s2(_bgtz)
+I_u1s2(_blez)
+I_u1s2(_bltz)
+I_u1s2(_bltzl)
+I_u1u2s3(_bne)
+I_u1(_break)
+I_u2s3u1(_cache)
+I_u1u2(_cfc1)
+I_u2u1(_cfcmsa)
+I_u1u2(_ctc1)
+I_u2u1(_ctcmsa)
+I_u1u2(_ddivu)
+I_u3u1u2(_ddivu_r6)
+I_u1u2u3(_dmfc0)
+I_u3u1u2(_dmodu)
+I_u1u2u3(_dmtc0)
+I_u1u2(_dmultu)
+I_u3u1u2(_dmulu)
+I_u2u1s3(_daddiu)
+I_u3u1u2(_daddu)
+I_u1(_di);
+I_u1u2(_divu)
+I_u3u1u2(_divu_r6)
+I_u2u1(_dsbh);
+I_u2u1(_dshd);
+I_u2u1u3(_dsll)
+I_u2u1u3(_dsll32)
+I_u3u2u1(_dsllv)
+I_u2u1u3(_dsra)
+I_u2u1u3(_dsra32)
+I_u3u2u1(_dsrav)
+I_u2u1u3(_dsrl)
+I_u2u1u3(_dsrl32)
+I_u3u2u1(_dsrlv)
+I_u2u1u3(_drotr)
+I_u2u1u3(_drotr32)
+I_u3u1u2(_dsubu)
+I_0(_eret)
+I_u2u1msbdu3(_ext)
+I_u2u1msbu3(_ins)
+I_u1(_j)
+I_u1(_jal)
+I_u2u1(_jalr)
+I_u1(_jr)
+I_u2s3u1(_lb)
+I_u2s3u1(_lbu)
+I_u2s3u1(_ld)
+I_u2s3u1(_lh)
+I_u2s3u1(_lhu)
+I_u2s3u1(_ll)
+I_u2s3u1(_lld)
+I_u1s2(_lui)
+I_u2s3u1(_lw)
+I_u2s3u1(_lwu)
+I_u1u2u3(_mfc0)
+I_u1u2u3(_mfhc0)
+I_u3u1u2(_modu)
+I_u3u1u2(_movn)
+I_u3u1u2(_movz)
+I_u1(_mfhi)
+I_u1(_mflo)
+I_u1u2u3(_mtc0)
+I_u1u2u3(_mthc0)
+I_u1(_mthi)
+I_u1(_mtlo)
+I_u3u1u2(_mul)
+I_u1u2(_multu)
+I_u3u1u2(_mulu)
+I_u3u1u2(_muhu)
+I_u3u1u2(_nor)
+I_u3u1u2(_or)
+I_u2u1u3(_ori)
+I_0(_rfe)
+I_u2s3u1(_sb)
+I_u2s3u1(_sc)
+I_u2s3u1(_scd)
+I_u2s3u1(_sd)
+I_u3u1u2(_seleqz)
+I_u3u1u2(_selnez)
+I_u2s3u1(_sh)
+I_u2u1u3(_sll)
+I_u3u2u1(_sllv)
+I_s3s1s2(_slt)
+I_u2u1s3(_slti)
+I_u2u1s3(_sltiu)
+I_u3u1u2(_sltu)
+I_u2u1u3(_sra)
+I_u3u2u1(_srav)
+I_u2u1u3(_srl)
+I_u3u2u1(_srlv)
+I_u2u1u3(_rotr)
+I_u3u1u2(_subu)
+I_u2s3u1(_sw)
+I_u1(_sync)
+I_0(_tlbp)
+I_0(_tlbr)
+I_0(_tlbwi)
+I_0(_tlbwr)
+I_u1(_wait);
+I_u2u1(_wsbh)
+I_u3u1u2(_xor)
+I_u2u1u3(_xori)
+I_u2u1(_yield)
+I_u2u1msbu3(_dins);
+I_u2u1msb32u3(_dinsm);
+I_u2u1msb32msb3(_dinsu);
+I_u1(_syscall);
+I_u1u2s3(_bbit0);
+I_u1u2s3(_bbit1);
+I_u3u1u2(_lwx)
+I_u3u1u2(_ldx)
+I_u1u2(_ldpte)
+I_u2u1u3(_lddir)
+
+#ifdef CONFIG_CPU_CAVIUM_OCTEON
+#include <asm/octeon/octeon.h>
+void uasm_i_pref(u32 **buf, unsigned int a, signed int b,
+			    unsigned int c)
+{
+	if (OCTEON_IS_MODEL(OCTEON_CN6XXX) && a <= 24 && a != 5)
+		/*
+		 * As per erratum Core-14449, replace prefetches 0-4,
+		 * 6-24 with 'pref 28'.
+		 */
+		build_insn(buf, insn_pref, c, 28, b);
+	else
+		build_insn(buf, insn_pref, c, a, b);
+}
+UASM_EXPORT_SYMBOL(uasm_i_pref);
+#else
+I_u2s3u1(_pref)
+#endif
+
+/* Handle labels. */
+void uasm_build_label(struct uasm_label **lab, u32 *addr, int lid)
+{
+	(*lab)->addr = addr;
+	(*lab)->lab = lid;
+	(*lab)++;
+}
+UASM_EXPORT_SYMBOL(uasm_build_label);
+
+int uasm_in_compat_space_p(long addr)
+{
+	/* Is this address in 32bit compat space? */
+	return addr == (int)addr;
+}
+UASM_EXPORT_SYMBOL(uasm_in_compat_space_p);
+
+static int uasm_rel_highest(long val)
+{
+#ifdef CONFIG_64BIT
+	return ((((val + 0x800080008000L) >> 48) & 0xffff) ^ 0x8000) - 0x8000;
+#else
+	return 0;
+#endif
+}
+
+static int uasm_rel_higher(long val)
+{
+#ifdef CONFIG_64BIT
+	return ((((val + 0x80008000L) >> 32) & 0xffff) ^ 0x8000) - 0x8000;
+#else
+	return 0;
+#endif
+}
+
+int uasm_rel_hi(long val)
+{
+	return ((((val + 0x8000L) >> 16) & 0xffff) ^ 0x8000) - 0x8000;
+}
+UASM_EXPORT_SYMBOL(uasm_rel_hi);
+
+int uasm_rel_lo(long val)
+{
+	return ((val & 0xffff) ^ 0x8000) - 0x8000;
+}
+UASM_EXPORT_SYMBOL(uasm_rel_lo);
+
+void UASM_i_LA_mostly(u32 **buf, unsigned int rs, long addr)
+{
+	if (!uasm_in_compat_space_p(addr)) {
+		uasm_i_lui(buf, rs, uasm_rel_highest(addr));
+		if (uasm_rel_higher(addr))
+			uasm_i_daddiu(buf, rs, rs, uasm_rel_higher(addr));
+		if (uasm_rel_hi(addr)) {
+			uasm_i_dsll(buf, rs, rs, 16);
+			uasm_i_daddiu(buf, rs, rs,
+					uasm_rel_hi(addr));
+			uasm_i_dsll(buf, rs, rs, 16);
+		} else
+			uasm_i_dsll32(buf, rs, rs, 0);
+	} else
+		uasm_i_lui(buf, rs, uasm_rel_hi(addr));
+}
+UASM_EXPORT_SYMBOL(UASM_i_LA_mostly);
+
+void UASM_i_LA(u32 **buf, unsigned int rs, long addr)
+{
+	UASM_i_LA_mostly(buf, rs, addr);
+	if (uasm_rel_lo(addr)) {
+		if (!uasm_in_compat_space_p(addr))
+			uasm_i_daddiu(buf, rs, rs,
+					uasm_rel_lo(addr));
+		else
+			uasm_i_addiu(buf, rs, rs,
+					uasm_rel_lo(addr));
+	}
+}
+UASM_EXPORT_SYMBOL(UASM_i_LA);
+
+/* Handle relocations. */
+void uasm_r_mips_pc16(struct uasm_reloc **rel, u32 *addr, int lid)
+{
+	(*rel)->addr = addr;
+	(*rel)->type = R_MIPS_PC16;
+	(*rel)->lab = lid;
+	(*rel)++;
+}
+UASM_EXPORT_SYMBOL(uasm_r_mips_pc16);
+
+static inline void __resolve_relocs(struct uasm_reloc *rel,
+				    struct uasm_label *lab);
+
+void uasm_resolve_relocs(struct uasm_reloc *rel,
+				  struct uasm_label *lab)
+{
+	struct uasm_label *l;
+
+	for (; rel->lab != UASM_LABEL_INVALID; rel++)
+		for (l = lab; l->lab != UASM_LABEL_INVALID; l++)
+			if (rel->lab == l->lab)
+				__resolve_relocs(rel, l);
+}
+UASM_EXPORT_SYMBOL(uasm_resolve_relocs);
+
+void uasm_move_relocs(struct uasm_reloc *rel, u32 *first, u32 *end,
+			       long off)
+{
+	for (; rel->lab != UASM_LABEL_INVALID; rel++)
+		if (rel->addr >= first && rel->addr < end)
+			rel->addr += off;
+}
+UASM_EXPORT_SYMBOL(uasm_move_relocs);
+
+void uasm_move_labels(struct uasm_label *lab, u32 *first, u32 *end,
+			       long off)
+{
+	for (; lab->lab != UASM_LABEL_INVALID; lab++)
+		if (lab->addr >= first && lab->addr < end)
+			lab->addr += off;
+}
+UASM_EXPORT_SYMBOL(uasm_move_labels);
+
+void uasm_copy_handler(struct uasm_reloc *rel, struct uasm_label *lab,
+				u32 *first, u32 *end, u32 *target)
+{
+	long off = (long)(target - first);
+
+	memcpy(target, first, (end - first) * sizeof(u32));
+
+	uasm_move_relocs(rel, first, end, off);
+	uasm_move_labels(lab, first, end, off);
+}
+UASM_EXPORT_SYMBOL(uasm_copy_handler);
+
+int uasm_insn_has_bdelay(struct uasm_reloc *rel, u32 *addr)
+{
+	for (; rel->lab != UASM_LABEL_INVALID; rel++) {
+		if (rel->addr == addr
+		    && (rel->type == R_MIPS_PC16
+			|| rel->type == R_MIPS_26))
+			return 1;
+	}
+
+	return 0;
+}
+UASM_EXPORT_SYMBOL(uasm_insn_has_bdelay);
+
+/* Convenience functions for labeled branches. */
+void uasm_il_bltz(u32 **p, struct uasm_reloc **r, unsigned int reg,
+			   int lid)
+{
+	uasm_r_mips_pc16(r, *p, lid);
+	uasm_i_bltz(p, reg, 0);
+}
+UASM_EXPORT_SYMBOL(uasm_il_bltz);
+
+void uasm_il_b(u32 **p, struct uasm_reloc **r, int lid)
+{
+	uasm_r_mips_pc16(r, *p, lid);
+	uasm_i_b(p, 0);
+}
+UASM_EXPORT_SYMBOL(uasm_il_b);
+
+void uasm_il_beq(u32 **p, struct uasm_reloc **r, unsigned int r1,
+			  unsigned int r2, int lid)
+{
+	uasm_r_mips_pc16(r, *p, lid);
+	uasm_i_beq(p, r1, r2, 0);
+}
+UASM_EXPORT_SYMBOL(uasm_il_beq);
+
+void uasm_il_beqz(u32 **p, struct uasm_reloc **r, unsigned int reg,
+			   int lid)
+{
+	uasm_r_mips_pc16(r, *p, lid);
+	uasm_i_beqz(p, reg, 0);
+}
+UASM_EXPORT_SYMBOL(uasm_il_beqz);
+
+void uasm_il_beqzl(u32 **p, struct uasm_reloc **r, unsigned int reg,
+			    int lid)
+{
+	uasm_r_mips_pc16(r, *p, lid);
+	uasm_i_beqzl(p, reg, 0);
+}
+UASM_EXPORT_SYMBOL(uasm_il_beqzl);
+
+void uasm_il_bne(u32 **p, struct uasm_reloc **r, unsigned int reg1,
+			  unsigned int reg2, int lid)
+{
+	uasm_r_mips_pc16(r, *p, lid);
+	uasm_i_bne(p, reg1, reg2, 0);
+}
+UASM_EXPORT_SYMBOL(uasm_il_bne);
+
+void uasm_il_bnez(u32 **p, struct uasm_reloc **r, unsigned int reg,
+			   int lid)
+{
+	uasm_r_mips_pc16(r, *p, lid);
+	uasm_i_bnez(p, reg, 0);
+}
+UASM_EXPORT_SYMBOL(uasm_il_bnez);
+
+void uasm_il_bgezl(u32 **p, struct uasm_reloc **r, unsigned int reg,
+			    int lid)
+{
+	uasm_r_mips_pc16(r, *p, lid);
+	uasm_i_bgezl(p, reg, 0);
+}
+UASM_EXPORT_SYMBOL(uasm_il_bgezl);
+
+void uasm_il_bgez(u32 **p, struct uasm_reloc **r, unsigned int reg,
+			   int lid)
+{
+	uasm_r_mips_pc16(r, *p, lid);
+	uasm_i_bgez(p, reg, 0);
+}
+UASM_EXPORT_SYMBOL(uasm_il_bgez);
+
+void uasm_il_bbit0(u32 **p, struct uasm_reloc **r, unsigned int reg,
+			    unsigned int bit, int lid)
+{
+	uasm_r_mips_pc16(r, *p, lid);
+	uasm_i_bbit0(p, reg, bit, 0);
+}
+UASM_EXPORT_SYMBOL(uasm_il_bbit0);
+
+void uasm_il_bbit1(u32 **p, struct uasm_reloc **r, unsigned int reg,
+			    unsigned int bit, int lid)
+{
+	uasm_r_mips_pc16(r, *p, lid);
+	uasm_i_bbit1(p, reg, bit, 0);
+}
+UASM_EXPORT_SYMBOL(uasm_il_bbit1);