diff --git a/src/core/arm/skyeye_common/armstate.cpp b/src/core/arm/skyeye_common/armstate.cpp
index c36b0208f..f1c3326aa 100644
--- a/src/core/arm/skyeye_common/armstate.cpp
+++ b/src/core/arm/skyeye_common/armstate.cpp
@@ -183,7 +183,7 @@ void ARMul_State::ResetMPCoreCP15Registers() {
 
 static void CheckMemoryBreakpoint(u32 address, GDBStub::BreakpointType type) {
     if (GDBStub::IsServerEnabled() && GDBStub::CheckBreakpoint(address, type)) {
-        LOG_DEBUG(Debug, "Found memory breakpoint @ %08x", address);
+        NGLOG_DEBUG(Debug, "Found memory breakpoint @ {:08x}", address);
         GDBStub::Break(true);
     }
 }
@@ -428,8 +428,8 @@ u32 ARMul_State::ReadCP15Register(u32 crn, u32 opcode_1, u32 crm, u32 opcode_2)
         }
     }
 
-    LOG_ERROR(Core_ARM11, "MRC CRn=%u, CRm=%u, OP1=%u OP2=%u is not implemented. Returning zero.",
-              crn, crm, opcode_1, opcode_2);
+    NGLOG_ERROR(Core_ARM11, "MRC CRn={}, CRm={}, OP1={} OP2={} is not implemented. Returning zero.",
+                crn, crm, opcode_1, opcode_2);
     return 0;
 }
 
diff --git a/src/core/arm/skyeye_common/vfp/vfp.cpp b/src/core/arm/skyeye_common/vfp/vfp.cpp
index f36c75a07..f3922271b 100644
--- a/src/core/arm/skyeye_common/vfp/vfp.cpp
+++ b/src/core/arm/skyeye_common/vfp/vfp.cpp
@@ -90,24 +90,24 @@ void VMOVR(ARMul_State* state, u32 single, u32 d, u32 m) {
 
 /* Miscellaneous functions */
 s32 vfp_get_float(ARMul_State* state, unsigned int reg) {
-    LOG_TRACE(Core_ARM11, "VFP get float: s%d=[%08x]", reg, state->ExtReg[reg]);
+    NGLOG_TRACE(Core_ARM11, "VFP get float: s{}=[{:08x}]", reg, state->ExtReg[reg]);
     return state->ExtReg[reg];
 }
 
 void vfp_put_float(ARMul_State* state, s32 val, unsigned int reg) {
-    LOG_TRACE(Core_ARM11, "VFP put float: s%d <= [%08x]", reg, val);
+    NGLOG_TRACE(Core_ARM11, "VFP put float: s{} <= [{:08x}]", reg, val);
     state->ExtReg[reg] = val;
 }
 
 u64 vfp_get_double(ARMul_State* state, unsigned int reg) {
     u64 result = ((u64)state->ExtReg[reg * 2 + 1]) << 32 | state->ExtReg[reg * 2];
-    LOG_TRACE(Core_ARM11, "VFP get double: s[%d-%d]=[%016llx]", reg * 2 + 1, reg * 2, result);
+    NGLOG_TRACE(Core_ARM11, "VFP get double: s[{}-{}]=[{:016llx}]", reg * 2 + 1, reg * 2, result);
     return result;
 }
 
 void vfp_put_double(ARMul_State* state, u64 val, unsigned int reg) {
-    LOG_TRACE(Core_ARM11, "VFP put double: s[%d-%d] <= [%08x-%08x]", reg * 2 + 1, reg * 2,
-              (u32)(val >> 32), (u32)(val & 0xffffffff));
+    NGLOG_TRACE(Core_ARM11, "VFP put double: s[{}-{}] <= [{:08x}-{:08x}]", reg * 2 + 1, reg * 2,
+                (u32)(val >> 32), (u32)(val & 0xffffffff));
     state->ExtReg[reg * 2] = (u32)(val & 0xffffffff);
     state->ExtReg[reg * 2 + 1] = (u32)(val >> 32);
 }
@@ -116,10 +116,10 @@ void vfp_put_double(ARMul_State* state, u64 val, unsigned int reg) {
  * Process bitmask of exception conditions. (from vfpmodule.c)
  */
 void vfp_raise_exceptions(ARMul_State* state, u32 exceptions, u32 inst, u32 fpscr) {
-    LOG_TRACE(Core_ARM11, "VFP: raising exceptions %08x", exceptions);
+    NGLOG_TRACE(Core_ARM11, "VFP: raising exceptions {:08x}", exceptions);
 
     if (exceptions == VFP_EXCEPTION_ERROR) {
-        LOG_CRITICAL(Core_ARM11, "unhandled bounce %x", inst);
+        NGLOG_CRITICAL(Core_ARM11, "unhandled bounce {:x}", inst);
         Crash();
     }
 
diff --git a/src/core/arm/skyeye_common/vfp/vfp.h b/src/core/arm/skyeye_common/vfp/vfp.h
index 60a63e6de..7be546984 100644
--- a/src/core/arm/skyeye_common/vfp/vfp.h
+++ b/src/core/arm/skyeye_common/vfp/vfp.h
@@ -22,7 +22,7 @@
 
 #include "core/arm/skyeye_common/vfp/vfp_helper.h" /* for references to cdp SoftFloat functions */
 
-#define VFP_DEBUG_UNTESTED(x) LOG_TRACE(Core_ARM11, "in func %s, " #x " untested", __FUNCTION__);
+#define VFP_DEBUG_UNTESTED(x) NGLOG_TRACE(Core_ARM11, "in func {}, " #x " untested", __FUNCTION__);
 #define CHECK_VFP_ENABLED
 #define CHECK_VFP_CDP_RET vfp_raise_exceptions(cpu, ret, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
 
diff --git a/src/core/arm/skyeye_common/vfp/vfpdouble.cpp b/src/core/arm/skyeye_common/vfp/vfpdouble.cpp
index 10b731333..d036ad0dc 100644
--- a/src/core/arm/skyeye_common/vfp/vfpdouble.cpp
+++ b/src/core/arm/skyeye_common/vfp/vfpdouble.cpp
@@ -64,8 +64,8 @@ static struct vfp_double vfp_double_default_qnan = {
 };
 
 static void vfp_double_dump(const char* str, struct vfp_double* d) {
-    LOG_TRACE(Core_ARM11, "VFP: %s: sign=%d exponent=%d significand=%016llx", str, d->sign != 0,
-              d->exponent, d->significand);
+    NGLOG_TRACE(Core_ARM11, "VFP: {}: sign={} exponent={} significand={:016llx}", str, d->sign != 0,
+                d->exponent, d->significand);
 }
 
 static void vfp_double_normalise_denormal(struct vfp_double* vd) {
@@ -166,7 +166,7 @@ u32 vfp_double_normaliseround(ARMul_State* state, int dd, struct vfp_double* vd,
     } else if ((rmode == FPSCR_ROUND_PLUSINF) ^ (vd->sign != 0))
         incr = (1ULL << (VFP_DOUBLE_LOW_BITS + 1)) - 1;
 
-    LOG_TRACE(Core_ARM11, "VFP: rounding increment = 0x%08llx", incr);
+    NGLOG_TRACE(Core_ARM11, "VFP: rounding increment = 0x{:08llx}", incr);
 
     /*
      * Is our rounding going to overflow?
@@ -221,7 +221,8 @@ pack:
     vfp_double_dump("pack: final", vd);
     {
         s64 d = vfp_double_pack(vd);
-        LOG_TRACE(Core_ARM11, "VFP: %s: d(d%d)=%016llx exceptions=%08x", func, dd, d, exceptions);
+        NGLOG_TRACE(Core_ARM11, "VFP: {}: d(d{})={:016llx} exceptions={:08x}", func, dd, d,
+                    exceptions);
         vfp_put_double(state, d, dd);
     }
     return exceptions;
@@ -274,25 +275,25 @@ static u32 vfp_propagate_nan(struct vfp_double* vdd, struct vfp_double* vdn, str
  * Extended operations
  */
 static u32 vfp_double_fabs(ARMul_State* state, int dd, int unused, int dm, u32 fpscr) {
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     vfp_put_double(state, vfp_double_packed_abs(vfp_get_double(state, dm)), dd);
     return 0;
 }
 
 static u32 vfp_double_fcpy(ARMul_State* state, int dd, int unused, int dm, u32 fpscr) {
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     vfp_put_double(state, vfp_get_double(state, dm), dd);
     return 0;
 }
 
 static u32 vfp_double_fneg(ARMul_State* state, int dd, int unused, int dm, u32 fpscr) {
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     vfp_put_double(state, vfp_double_packed_negate(vfp_get_double(state, dm)), dd);
     return 0;
 }
 
 static u32 vfp_double_fsqrt(ARMul_State* state, int dd, int unused, int dm, u32 fpscr) {
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     vfp_double vdm, vdd, *vdp;
     int ret, tm;
     u32 exceptions = 0;
@@ -389,7 +390,8 @@ static u32 vfp_compare(ARMul_State* state, int dd, int signal_on_qnan, s64 m, u3
     s64 d;
     u32 ret = 0;
 
-    LOG_TRACE(Core_ARM11, "In %s, state=0x%p, fpscr=0x%x", __FUNCTION__, state, fpscr);
+    NGLOG_TRACE(Core_ARM11, "In {}, state=0x{}, fpscr=0x{:x}", __FUNCTION__, fmt::ptr(state),
+                fpscr);
     if (vfp_double_packed_exponent(m) == 2047 && vfp_double_packed_mantissa(m)) {
         ret |= FPSCR_CFLAG | FPSCR_VFLAG;
         if (signal_on_qnan ||
@@ -445,28 +447,28 @@ static u32 vfp_compare(ARMul_State* state, int dd, int signal_on_qnan, s64 m, u3
             ret |= FPSCR_CFLAG;
         }
     }
-    LOG_TRACE(Core_ARM11, "In %s, state=0x%p, ret=0x%x", __FUNCTION__, state, ret);
+    NGLOG_TRACE(Core_ARM11, "In {}, state=0x{}, ret=0x{:x}", __FUNCTION__, fmt::ptr(state), ret);
 
     return ret;
 }
 
 static u32 vfp_double_fcmp(ARMul_State* state, int dd, int unused, int dm, u32 fpscr) {
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     return vfp_compare(state, dd, 0, vfp_get_double(state, dm), fpscr);
 }
 
 static u32 vfp_double_fcmpe(ARMul_State* state, int dd, int unused, int dm, u32 fpscr) {
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     return vfp_compare(state, dd, 1, vfp_get_double(state, dm), fpscr);
 }
 
 static u32 vfp_double_fcmpz(ARMul_State* state, int dd, int unused, int dm, u32 fpscr) {
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     return vfp_compare(state, dd, 0, 0, fpscr);
 }
 
 static u32 vfp_double_fcmpez(ARMul_State* state, int dd, int unused, int dm, u32 fpscr) {
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     return vfp_compare(state, dd, 1, 0, fpscr);
 }
 
@@ -476,7 +478,7 @@ static u32 vfp_double_fcvts(ARMul_State* state, int sd, int unused, int dm, u32
     int tm;
     u32 exceptions = 0;
 
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     exceptions |= vfp_double_unpack(&vdm, vfp_get_double(state, dm), fpscr);
 
     tm = vfp_double_type(&vdm);
@@ -517,7 +519,7 @@ static u32 vfp_double_fuito(ARMul_State* state, int dd, int unused, int dm, u32
     struct vfp_double vdm;
     u32 m = vfp_get_float(state, dm);
 
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     vdm.sign = 0;
     vdm.exponent = 1023 + 63 - 1;
     vdm.significand = (u64)m;
@@ -529,7 +531,7 @@ static u32 vfp_double_fsito(ARMul_State* state, int dd, int unused, int dm, u32
     struct vfp_double vdm;
     u32 m = vfp_get_float(state, dm);
 
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     vdm.sign = (m & 0x80000000) >> 16;
     vdm.exponent = 1023 + 63 - 1;
     vdm.significand = vdm.sign ? (~m + 1) : m;
@@ -543,7 +545,7 @@ static u32 vfp_double_ftoui(ARMul_State* state, int sd, int unused, int dm, u32
     int rmode = fpscr & FPSCR_RMODE_MASK;
     int tm;
 
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     exceptions |= vfp_double_unpack(&vdm, vfp_get_double(state, dm), fpscr);
 
     /*
@@ -612,7 +614,7 @@ static u32 vfp_double_ftoui(ARMul_State* state, int sd, int unused, int dm, u32
         }
     }
 
-    LOG_TRACE(Core_ARM11, "VFP: ftoui: d(s%d)=%08x exceptions=%08x", sd, d, exceptions);
+    NGLOG_TRACE(Core_ARM11, "VFP: ftoui: d(s{})={:08x} exceptions={:08x}", sd, d, exceptions);
 
     vfp_put_float(state, d, sd);
 
@@ -620,7 +622,7 @@ static u32 vfp_double_ftoui(ARMul_State* state, int sd, int unused, int dm, u32
 }
 
 static u32 vfp_double_ftouiz(ARMul_State* state, int sd, int unused, int dm, u32 fpscr) {
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     return vfp_double_ftoui(state, sd, unused, dm,
                             (fpscr & ~FPSCR_RMODE_MASK) | FPSCR_ROUND_TOZERO);
 }
@@ -631,7 +633,7 @@ static u32 vfp_double_ftosi(ARMul_State* state, int sd, int unused, int dm, u32
     int rmode = fpscr & FPSCR_RMODE_MASK;
     int tm;
 
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     exceptions |= vfp_double_unpack(&vdm, vfp_get_double(state, dm), fpscr);
     vfp_double_dump("VDM", &vdm);
 
@@ -695,7 +697,7 @@ static u32 vfp_double_ftosi(ARMul_State* state, int sd, int unused, int dm, u32
         }
     }
 
-    LOG_TRACE(Core_ARM11, "VFP: ftosi: d(s%d)=%08x exceptions=%08x", sd, d, exceptions);
+    NGLOG_TRACE(Core_ARM11, "VFP: ftosi: d(s{})={:08x} exceptions={:08x}", sd, d, exceptions);
 
     vfp_put_float(state, (s32)d, sd);
 
@@ -703,7 +705,7 @@ static u32 vfp_double_ftosi(ARMul_State* state, int sd, int unused, int dm, u32
 }
 
 static u32 vfp_double_ftosiz(ARMul_State* state, int dd, int unused, int dm, u32 fpscr) {
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     return vfp_double_ftosi(state, dd, unused, dm,
                             (fpscr & ~FPSCR_RMODE_MASK) | FPSCR_ROUND_TOZERO);
 }
@@ -785,7 +787,7 @@ u32 vfp_double_add(struct vfp_double* vdd, struct vfp_double* vdn, struct vfp_do
     u64 m_sig;
 
     if (vdn->significand & (1ULL << 63) || vdm->significand & (1ULL << 63)) {
-        LOG_INFO(Core_ARM11, "VFP: bad FP values in %s", __func__);
+        NGLOG_INFO(Core_ARM11, "VFP: bad FP values in {}", __func__);
         vfp_double_dump("VDN", vdn);
         vfp_double_dump("VDM", vdm);
     }
@@ -850,7 +852,7 @@ u32 vfp_double_multiply(struct vfp_double* vdd, struct vfp_double* vdn, struct v
      */
     if (vdn->exponent < vdm->exponent) {
         std::swap(vdm, vdn);
-        LOG_TRACE(Core_ARM11, "VFP: swapping M <-> N");
+        NGLOG_TRACE(Core_ARM11, "VFP: swapping M <-> N");
     }
 
     vdd->sign = vdn->sign ^ vdm->sign;
@@ -932,7 +934,7 @@ static u32 vfp_double_multiply_accumulate(ARMul_State* state, int dd, int dn, in
  * sd = sd + (sn * sm)
  */
 static u32 vfp_double_fmac(ARMul_State* state, int dd, int dn, int dm, u32 fpscr) {
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     return vfp_double_multiply_accumulate(state, dd, dn, dm, fpscr, 0, "fmac");
 }
 
@@ -940,7 +942,7 @@ static u32 vfp_double_fmac(ARMul_State* state, int dd, int dn, int dm, u32 fpscr
  * sd = sd - (sn * sm)
  */
 static u32 vfp_double_fnmac(ARMul_State* state, int dd, int dn, int dm, u32 fpscr) {
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     return vfp_double_multiply_accumulate(state, dd, dn, dm, fpscr, NEG_MULTIPLY, "fnmac");
 }
 
@@ -948,7 +950,7 @@ static u32 vfp_double_fnmac(ARMul_State* state, int dd, int dn, int dm, u32 fpsc
  * sd = -sd + (sn * sm)
  */
 static u32 vfp_double_fmsc(ARMul_State* state, int dd, int dn, int dm, u32 fpscr) {
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     return vfp_double_multiply_accumulate(state, dd, dn, dm, fpscr, NEG_SUBTRACT, "fmsc");
 }
 
@@ -956,7 +958,7 @@ static u32 vfp_double_fmsc(ARMul_State* state, int dd, int dn, int dm, u32 fpscr
  * sd = -sd - (sn * sm)
  */
 static u32 vfp_double_fnmsc(ARMul_State* state, int dd, int dn, int dm, u32 fpscr) {
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     return vfp_double_multiply_accumulate(state, dd, dn, dm, fpscr, NEG_SUBTRACT | NEG_MULTIPLY,
                                           "fnmsc");
 }
@@ -968,7 +970,7 @@ static u32 vfp_double_fmul(ARMul_State* state, int dd, int dn, int dm, u32 fpscr
     struct vfp_double vdd, vdn, vdm;
     u32 exceptions = 0;
 
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     exceptions |= vfp_double_unpack(&vdn, vfp_get_double(state, dn), fpscr);
     if (vdn.exponent == 0 && vdn.significand)
         vfp_double_normalise_denormal(&vdn);
@@ -988,7 +990,7 @@ static u32 vfp_double_fnmul(ARMul_State* state, int dd, int dn, int dm, u32 fpsc
     struct vfp_double vdd, vdn, vdm;
     u32 exceptions = 0;
 
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     exceptions |= vfp_double_unpack(&vdn, vfp_get_double(state, dn), fpscr);
     if (vdn.exponent == 0 && vdn.significand)
         vfp_double_normalise_denormal(&vdn);
@@ -1010,7 +1012,7 @@ static u32 vfp_double_fadd(ARMul_State* state, int dd, int dn, int dm, u32 fpscr
     struct vfp_double vdd, vdn, vdm;
     u32 exceptions = 0;
 
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     exceptions |= vfp_double_unpack(&vdn, vfp_get_double(state, dn), fpscr);
     if (vdn.exponent == 0 && vdn.significand)
         vfp_double_normalise_denormal(&vdn);
@@ -1031,7 +1033,7 @@ static u32 vfp_double_fsub(ARMul_State* state, int dd, int dn, int dm, u32 fpscr
     struct vfp_double vdd, vdn, vdm;
     u32 exceptions = 0;
 
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     exceptions |= vfp_double_unpack(&vdn, vfp_get_double(state, dn), fpscr);
     if (vdn.exponent == 0 && vdn.significand)
         vfp_double_normalise_denormal(&vdn);
@@ -1058,7 +1060,7 @@ static u32 vfp_double_fdiv(ARMul_State* state, int dd, int dn, int dm, u32 fpscr
     u32 exceptions = 0;
     int tm, tn;
 
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     exceptions |= vfp_double_unpack(&vdn, vfp_get_double(state, dn), fpscr);
     exceptions |= vfp_double_unpack(&vdm, vfp_get_double(state, dm), fpscr);
 
@@ -1176,7 +1178,7 @@ u32 vfp_double_cpdo(ARMul_State* state, u32 inst, u32 fpscr) {
     unsigned int vecitr, veclen, vecstride;
     struct op* fop;
 
-    LOG_TRACE(Core_ARM11, "In %s", __FUNCTION__);
+    NGLOG_TRACE(Core_ARM11, "In {}", __FUNCTION__);
     vecstride = (1 + ((fpscr & FPSCR_STRIDE_MASK) == FPSCR_STRIDE_MASK));
 
     fop = (op == FOP_EXT) ? &fops_ext[FEXT_TO_IDX(inst)] : &fops[FOP_TO_IDX(op)];
@@ -1207,11 +1209,11 @@ u32 vfp_double_cpdo(ARMul_State* state, u32 inst, u32 fpscr) {
     else
         veclen = fpscr & FPSCR_LENGTH_MASK;
 
-    LOG_TRACE(Core_ARM11, "VFP: vecstride=%u veclen=%u", vecstride,
-              (veclen >> FPSCR_LENGTH_BIT) + 1);
+    NGLOG_TRACE(Core_ARM11, "VFP: vecstride={} veclen={}", vecstride,
+                (veclen >> FPSCR_LENGTH_BIT) + 1);
 
     if (!fop->fn) {
-        printf("VFP: could not find double op %d\n", FEXT_TO_IDX(inst));
+        NGLOG_TRACE(Core_ARM11, "VFP: could not find double op {}", FEXT_TO_IDX(inst));
         goto invalid;
     }
 
@@ -1221,14 +1223,15 @@ u32 vfp_double_cpdo(ARMul_State* state, u32 inst, u32 fpscr) {
 
         type = (fop->flags & OP_SD) ? 's' : 'd';
         if (op == FOP_EXT)
-            LOG_TRACE(Core_ARM11, "VFP: itr%d (%c%u) = op[%u] (d%u)", vecitr >> FPSCR_LENGTH_BIT,
-                      type, dest, dn, dm);
+            NGLOG_TRACE(Core_ARM11, "VFP: itr{} ({}{}) = op[{}] (d{})", vecitr >> FPSCR_LENGTH_BIT,
+                        type, dest, dn, dm);
         else
-            LOG_TRACE(Core_ARM11, "VFP: itr%d (%c%u) = (d%u) op[%u] (d%u)",
-                      vecitr >> FPSCR_LENGTH_BIT, type, dest, dn, FOP_TO_IDX(op), dm);
+            NGLOG_TRACE(Core_ARM11, "VFP: itr{} ({}{}) = (d{}) op[{}] (d{})",
+                        vecitr >> FPSCR_LENGTH_BIT, type, dest, dn, FOP_TO_IDX(op), dm);
 
         except = fop->fn(state, dest, dn, dm, fpscr);
-        LOG_TRACE(Core_ARM11, "VFP: itr%d: exceptions=%08x", vecitr >> FPSCR_LENGTH_BIT, except);
+        NGLOG_TRACE(Core_ARM11, "VFP: itr{}: exceptions={:08x}", vecitr >> FPSCR_LENGTH_BIT,
+                    except);
 
         exceptions |= except & ~VFP_NAN_FLAG;
 
diff --git a/src/core/arm/skyeye_common/vfp/vfpsingle.cpp b/src/core/arm/skyeye_common/vfp/vfpsingle.cpp
index 5c8231c00..c20a5b445 100644
--- a/src/core/arm/skyeye_common/vfp/vfpsingle.cpp
+++ b/src/core/arm/skyeye_common/vfp/vfpsingle.cpp
@@ -52,7 +52,6 @@
  */
 
 #include <algorithm>
-#include <cinttypes>
 #include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "common/logging/log.h"
@@ -67,8 +66,8 @@ static struct vfp_single vfp_single_default_qnan = {
 };
 
 static void vfp_single_dump(const char* str, struct vfp_single* s) {
-    LOG_TRACE(Core_ARM11, "%s: sign=%d exponent=%d significand=%08x", str, s->sign != 0,
-              s->exponent, s->significand);
+    NGLOG_TRACE(Core_ARM11, "{}: sign={} exponent={} significand={:08x}", str, s->sign != 0,
+                s->exponent, s->significand);
 }
 
 static void vfp_single_normalise_denormal(struct vfp_single* vs) {
@@ -169,7 +168,7 @@ u32 vfp_single_normaliseround(ARMul_State* state, int sd, struct vfp_single* vs,
     } else if ((rmode == FPSCR_ROUND_PLUSINF) ^ (vs->sign != 0))
         incr = (1 << (VFP_SINGLE_LOW_BITS + 1)) - 1;
 
-    LOG_TRACE(Core_ARM11, "rounding increment = 0x%08x", incr);
+    NGLOG_TRACE(Core_ARM11, "rounding increment = 0x{:08x}", incr);
 
     /*
      * Is our rounding going to overflow?
@@ -224,7 +223,7 @@ pack:
     vfp_single_dump("pack: final", vs);
     {
         s32 d = vfp_single_pack(vs);
-        LOG_TRACE(Core_ARM11, "%s: d(s%d)=%08x exceptions=%08x", func, sd, d, exceptions);
+        NGLOG_TRACE(Core_ARM11, "{}: d(s{})={:08x} exceptions={:08x}", func, sd, d, exceptions);
         vfp_put_float(state, d, sd);
     }
 
@@ -307,7 +306,7 @@ u32 vfp_estimate_sqrt_significand(u32 exponent, u32 significand) {
     u32 z, a;
 
     if ((significand & 0xc0000000) != 0x40000000) {
-        LOG_TRACE(Core_ARM11, "invalid significand");
+        NGLOG_TRACE(Core_ARM11, "invalid significand");
     }
 
     a = significand << 1;
@@ -397,7 +396,7 @@ static u32 vfp_single_fsqrt(ARMul_State* state, int sd, int unused, s32 m, u32 f
             term = (u64)vsd.significand * vsd.significand;
             rem = ((u64)vsm.significand << 32) - term;
 
-            LOG_TRACE(Core_ARM11, "term=%016" PRIx64 "rem=%016" PRIx64, term, rem);
+            NGLOG_TRACE(Core_ARM11, "term={} rem={}", term, rem);
 
             while (rem < 0) {
                 vsd.significand -= 1;
@@ -636,7 +635,7 @@ static u32 vfp_single_ftoui(ARMul_State* state, int sd, int unused, s32 m, u32 f
         }
     }
 
-    LOG_TRACE(Core_ARM11, "ftoui: d(s%d)=%08x exceptions=%08x", sd, d, exceptions);
+    NGLOG_TRACE(Core_ARM11, "ftoui: d(s{})={:08x} exceptions={:08x}", sd, d, exceptions);
 
     vfp_put_float(state, d, sd);
 
@@ -717,7 +716,7 @@ static u32 vfp_single_ftosi(ARMul_State* state, int sd, int unused, s32 m, u32 f
         }
     }
 
-    LOG_TRACE(Core_ARM11, "ftosi: d(s%d)=%08x exceptions=%08x", sd, d, exceptions);
+    NGLOG_TRACE(Core_ARM11, "ftosi: d(s{})={:08x} exceptions={:08x}", sd, d, exceptions);
 
     vfp_put_float(state, (s32)d, sd);
 
@@ -804,7 +803,7 @@ static u32 vfp_single_add(struct vfp_single* vsd, struct vfp_single* vsn, struct
     u32 exp_diff, m_sig;
 
     if (vsn->significand & 0x80000000 || vsm->significand & 0x80000000) {
-        LOG_WARNING(Core_ARM11, "bad FP values");
+        NGLOG_WARNING(Core_ARM11, "bad FP values");
         vfp_single_dump("VSN", vsn);
         vfp_single_dump("VSM", vsm);
     }
@@ -869,7 +868,7 @@ static u32 vfp_single_multiply(struct vfp_single* vsd, struct vfp_single* vsn,
      */
     if (vsn->exponent < vsm->exponent) {
         std::swap(vsm, vsn);
-        LOG_TRACE(Core_ARM11, "swapping M <-> N");
+        NGLOG_TRACE(Core_ARM11, "swapping M <-> N");
     }
 
     vsd->sign = vsn->sign ^ vsm->sign;
@@ -921,7 +920,7 @@ static u32 vfp_single_multiply_accumulate(ARMul_State* state, int sd, int sn, s3
     s32 v;
 
     v = vfp_get_float(state, sn);
-    LOG_TRACE(Core_ARM11, "s%u = %08x", sn, v);
+    NGLOG_TRACE(Core_ARM11, "s{} = {:08x}", sn, v);
     exceptions |= vfp_single_unpack(&vsn, v, fpscr);
     if (vsn.exponent == 0 && vsn.significand)
         vfp_single_normalise_denormal(&vsn);
@@ -936,7 +935,7 @@ static u32 vfp_single_multiply_accumulate(ARMul_State* state, int sd, int sn, s3
         vsp.sign = vfp_sign_negate(vsp.sign);
 
     v = vfp_get_float(state, sd);
-    LOG_TRACE(Core_ARM11, "s%u = %08x", sd, v);
+    NGLOG_TRACE(Core_ARM11, "s{} = {:08x}", sd, v);
     exceptions |= vfp_single_unpack(&vsn, v, fpscr);
     if (vsn.exponent == 0 && vsn.significand != 0)
         vfp_single_normalise_denormal(&vsn);
@@ -957,7 +956,7 @@ static u32 vfp_single_multiply_accumulate(ARMul_State* state, int sd, int sn, s3
  * sd = sd + (sn * sm)
  */
 static u32 vfp_single_fmac(ARMul_State* state, int sd, int sn, s32 m, u32 fpscr) {
-    LOG_TRACE(Core_ARM11, "s%u = %08x", sn, sd);
+    NGLOG_TRACE(Core_ARM11, "s{} = {:08x}", sn, sd);
     return vfp_single_multiply_accumulate(state, sd, sn, m, fpscr, 0, "fmac");
 }
 
@@ -966,7 +965,7 @@ static u32 vfp_single_fmac(ARMul_State* state, int sd, int sn, s32 m, u32 fpscr)
  */
 static u32 vfp_single_fnmac(ARMul_State* state, int sd, int sn, s32 m, u32 fpscr) {
     // TODO: this one has its arguments inverted, investigate.
-    LOG_TRACE(Core_ARM11, "s%u = %08x", sd, sn);
+    NGLOG_TRACE(Core_ARM11, "s{} = {:08x}", sd, sn);
     return vfp_single_multiply_accumulate(state, sd, sn, m, fpscr, NEG_MULTIPLY, "fnmac");
 }
 
@@ -974,7 +973,7 @@ static u32 vfp_single_fnmac(ARMul_State* state, int sd, int sn, s32 m, u32 fpscr
  * sd = -sd + (sn * sm)
  */
 static u32 vfp_single_fmsc(ARMul_State* state, int sd, int sn, s32 m, u32 fpscr) {
-    LOG_TRACE(Core_ARM11, "s%u = %08x", sn, sd);
+    NGLOG_TRACE(Core_ARM11, "s{} = {:08x}", sn, sd);
     return vfp_single_multiply_accumulate(state, sd, sn, m, fpscr, NEG_SUBTRACT, "fmsc");
 }
 
@@ -982,7 +981,7 @@ static u32 vfp_single_fmsc(ARMul_State* state, int sd, int sn, s32 m, u32 fpscr)
  * sd = -sd - (sn * sm)
  */
 static u32 vfp_single_fnmsc(ARMul_State* state, int sd, int sn, s32 m, u32 fpscr) {
-    LOG_TRACE(Core_ARM11, "s%u = %08x", sn, sd);
+    NGLOG_TRACE(Core_ARM11, "s{} = {:08x}", sn, sd);
     return vfp_single_multiply_accumulate(state, sd, sn, m, fpscr, NEG_SUBTRACT | NEG_MULTIPLY,
                                           "fnmsc");
 }
@@ -995,7 +994,7 @@ static u32 vfp_single_fmul(ARMul_State* state, int sd, int sn, s32 m, u32 fpscr)
     u32 exceptions = 0;
     s32 n = vfp_get_float(state, sn);
 
-    LOG_TRACE(Core_ARM11, "s%u = %08x", sn, n);
+    NGLOG_TRACE(Core_ARM11, "s{} = {:08x}", sn, n);
 
     exceptions |= vfp_single_unpack(&vsn, n, fpscr);
     if (vsn.exponent == 0 && vsn.significand)
@@ -1017,7 +1016,7 @@ static u32 vfp_single_fnmul(ARMul_State* state, int sd, int sn, s32 m, u32 fpscr
     u32 exceptions = 0;
     s32 n = vfp_get_float(state, sn);
 
-    LOG_TRACE(Core_ARM11, "s%u = %08x", sn, n);
+    NGLOG_TRACE(Core_ARM11, "s{} = {:08x}", sn, n);
 
     exceptions |= vfp_single_unpack(&vsn, n, fpscr);
     if (vsn.exponent == 0 && vsn.significand)
@@ -1040,7 +1039,7 @@ static u32 vfp_single_fadd(ARMul_State* state, int sd, int sn, s32 m, u32 fpscr)
     u32 exceptions = 0;
     s32 n = vfp_get_float(state, sn);
 
-    LOG_TRACE(Core_ARM11, "s%u = %08x", sn, n);
+    NGLOG_TRACE(Core_ARM11, "s{} = {:08x}", sn, n);
 
     /*
      * Unpack and normalise denormals.
@@ -1062,7 +1061,7 @@ static u32 vfp_single_fadd(ARMul_State* state, int sd, int sn, s32 m, u32 fpscr)
  * sd = sn - sm
  */
 static u32 vfp_single_fsub(ARMul_State* state, int sd, int sn, s32 m, u32 fpscr) {
-    LOG_TRACE(Core_ARM11, "s%u = %08x", sn, sd);
+    NGLOG_TRACE(Core_ARM11, "s{} = {:08x}", sn, sd);
     /*
      * Subtraction is addition with one sign inverted. Unpack the second operand to perform FTZ if
      * necessary, we can't let fadd do this because a denormal in m might get flushed to +0 in FTZ
@@ -1091,7 +1090,7 @@ static u32 vfp_single_fdiv(ARMul_State* state, int sd, int sn, s32 m, u32 fpscr)
     s32 n = vfp_get_float(state, sn);
     int tm, tn;
 
-    LOG_TRACE(Core_ARM11, "s%u = %08x", sn, n);
+    NGLOG_TRACE(Core_ARM11, "s{} = {:08x}", sn, n);
 
     exceptions |= vfp_single_unpack(&vsn, n, fpscr);
     exceptions |= vfp_single_unpack(&vsm, m, fpscr);
@@ -1231,11 +1230,11 @@ u32 vfp_single_cpdo(ARMul_State* state, u32 inst, u32 fpscr) {
     else
         veclen = fpscr & FPSCR_LENGTH_MASK;
 
-    LOG_TRACE(Core_ARM11, "vecstride=%u veclen=%u", vecstride, (veclen >> FPSCR_LENGTH_BIT) + 1);
+    NGLOG_TRACE(Core_ARM11, "vecstride={} veclen={}", vecstride, (veclen >> FPSCR_LENGTH_BIT) + 1);
 
     if (!fop->fn) {
-        LOG_CRITICAL(Core_ARM11, "could not find single op %d, inst=0x%x@0x%x", FEXT_TO_IDX(inst),
-                     inst, state->Reg[15]);
+        NGLOG_CRITICAL(Core_ARM11, "could not find single op {}, inst=0x{:x}@0x{:x}",
+                       FEXT_TO_IDX(inst), inst, state->Reg[15]);
         Crash();
         goto invalid;
     }
@@ -1247,14 +1246,14 @@ u32 vfp_single_cpdo(ARMul_State* state, u32 inst, u32 fpscr) {
 
         type = (fop->flags & OP_DD) ? 'd' : 's';
         if (op == FOP_EXT)
-            LOG_TRACE(Core_ARM11, "itr%d (%c%u) = op[%u] (s%u=%08x)", vecitr >> FPSCR_LENGTH_BIT,
-                      type, dest, sn, sm, m);
+            NGLOG_TRACE(Core_ARM11, "itr{} ({}{}) = op[{}] (s{}={:08x})",
+                        vecitr >> FPSCR_LENGTH_BIT, type, dest, sn, sm, m);
         else
-            LOG_TRACE(Core_ARM11, "itr%d (%c%u) = (s%u) op[%u] (s%u=%08x)",
-                      vecitr >> FPSCR_LENGTH_BIT, type, dest, sn, FOP_TO_IDX(op), sm, m);
+            NGLOG_TRACE(Core_ARM11, "itr{} ({}{}) = (s{}) op[{}] (s{}={:08x})",
+                        vecitr >> FPSCR_LENGTH_BIT, type, dest, sn, FOP_TO_IDX(op), sm, m);
 
         except = fop->fn(state, dest, sn, m, fpscr);
-        LOG_TRACE(Core_ARM11, "itr%d: exceptions=%08x", vecitr >> FPSCR_LENGTH_BIT, except);
+        NGLOG_TRACE(Core_ARM11, "itr{}: exceptions={:08x}", vecitr >> FPSCR_LENGTH_BIT, except);
 
         exceptions |= except & ~VFP_NAN_FLAG;