Merge remote-tracking branch 'origin/perf_improv_polar_encoder' into integration_2024_w14

common/utils/nr/nr_common.c

@@ -32,6 +32,7 @@
 
 #include <stdint.h>
 #include "assertions.h"
+#include "common/utils/assertions.h"
 #include "nr_common.h"
 #include <complex.h>
 
@@ -52,6 +53,15 @@ static const uint8_t bit_reverse_table_256[] = {
     0x3B, 0xBB, 0x7B, 0xFB, 0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7, 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
     0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF, 0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF};
 
+void reverse_bits_u8(uint8_t const* in, size_t sz, uint8_t* out)
+{
+  DevAssert(in != NULL);
+  DevAssert(out != NULL);
+
+  for(size_t i = 0; i < sz; ++i)
+    out[i] = bit_reverse_table_256[in[i]];
+}
+
 // Reverse bits implementation based on http://graphics.stanford.edu/~seander/bithacks.html
 uint64_t reverse_bits(uint64_t in, int n_bits)
 {

common/utils/nr/nr_common.h

@@ -34,6 +34,7 @@
 #define __COMMON_UTILS_NR_NR_COMMON__H__
 
 #include <stdint.h>
+#include <stdlib.h>
 #include "assertions.h"
 #include "PHY/defs_common.h"
 
@@ -175,8 +176,11 @@ static inline int get_num_dmrs(uint16_t dmrs_mask ) {
 }
 
 uint64_t reverse_bits(uint64_t in, int n_bits);
+void reverse_bits_u8(uint8_t const* in, size_t sz, uint8_t* out);
+
 uint64_t from_nrarfcn(int nr_bandP, uint8_t scs_index, uint32_t dl_nrarfcn);
 uint32_t to_nrarfcn(int nr_bandP, uint64_t dl_CarrierFreq, uint8_t scs_index, uint32_t bw);
+
 int get_first_ul_slot(int nrofDownlinkSlots, int nrofDownlinkSymbols, int nrofUplinkSymbols);
 int cce_to_reg_interleaving(const int R, int k, int n_shift, const int C, int L, const int N_regs);
 int get_SLIV(uint8_t S, uint8_t L);