[libosmocore PATCH 10/12] codec: make data tables constant.

When declaring them constant, they are written on the .rodata section instead of .data, which means that they can be mapped directly from disk to memory. Signed-off-by: Diego Elio Pettenò &lt;flameeyes(a)flameeyes.eu&gt; --- include/osmocom/codec/codec.h | 24 ++++++++++++------------ src/codec/gsm610.c | 2 +- src/codec/gsm620.c | 4 ++-- src/codec/gsm660.c | 2 +- src/codec/gsm690.c | 16 ++++++++-------- 5 files changed, 24 insertions(+), 24 deletions(-) diff --git a/include/osmocom/codec/codec.h b/include/osmocom/codec/codec.h index 6f9ffea..81f5d4b 100644 --- a/include/osmocom/codec/codec.h +++ b/include/osmocom/codec/codec.h @@ -3,18 +3,18 @@ #include <stdint.h> -extern uint16_t gsm610_bitorder[]; /* FR */ -extern uint16_t gsm620_unvoiced_bitorder[]; /* HR unvoiced */ -extern uint16_t gsm620_voiced_bitorder[]; /* HR voiced */ -extern uint16_t gsm660_bitorder[]; /* EFR */ +extern const uint16_t gsm610_bitorder[]; /* FR */ +extern const uint16_t gsm620_unvoiced_bitorder[]; /* HR unvoiced */ +extern const uint16_t gsm620_voiced_bitorder[]; /* HR voiced */ +extern const uint16_t gsm660_bitorder[]; /* EFR */ -extern uint16_t gsm690_12_2_bitorder[]; /* AMR 12.2 kbits */ -extern uint16_t gsm690_10_2_bitorder[]; /* AMR 10.2 kbits */ -extern uint16_t gsm690_7_95_bitorder[]; /* AMR 7.95 kbits */ -extern uint16_t gsm690_7_4_bitorder[]; /* AMR 7.4 kbits */ -extern uint16_t gsm690_6_7_bitorder[]; /* AMR 6.7 kbits */ -extern uint16_t gsm690_5_9_bitorder[]; /* AMR 5.9 kbits */ -extern uint16_t gsm690_5_15_bitorder[]; /* AMR 5.15 kbits */ -extern uint16_t gsm690_4_75_bitorder[]; /* AMR 4.75 kbits */ +extern const uint16_t gsm690_12_2_bitorder[]; /* AMR 12.2 kbits */ +extern const uint16_t gsm690_10_2_bitorder[]; /* AMR 10.2 kbits */ +extern const uint16_t gsm690_7_95_bitorder[]; /* AMR 7.95 kbits */ +extern const uint16_t gsm690_7_4_bitorder[]; /* AMR 7.4 kbits */ +extern const uint16_t gsm690_6_7_bitorder[]; /* AMR 6.7 kbits */ +extern const uint16_t gsm690_5_9_bitorder[]; /* AMR 5.9 kbits */ +extern const uint16_t gsm690_5_15_bitorder[]; /* AMR 5.15 kbits */ +extern const uint16_t gsm690_4_75_bitorder[]; /* AMR 4.75 kbits */ #endif /* _OSMOCOM_CODEC_H */ diff --git a/src/codec/gsm610.c b/src/codec/gsm610.c index 09fbeb5..35f6011 100644 --- a/src/codec/gsm610.c +++ b/src/codec/gsm610.c @@ -30,7 +30,7 @@ * It converts between serial parameter output by the encoder and the * order needed before channel encoding. */ -uint16_t gsm610_bitorder[260] = { +const uint16_t gsm610_bitorder[260] = { 0, /* LARc0:5 */ 47, /* Xmaxc0:5 */ 103, /* Xmaxc1:5 */ diff --git a/src/codec/gsm620.c b/src/codec/gsm620.c index 09aca50..fa570e4 100644 --- a/src/codec/gsm620.c +++ b/src/codec/gsm620.c @@ -27,7 +27,7 @@ /* This array encode mapping between GSM 05.03 Table 3a (bits * ordering before channel coding on TCH) and GSM 06.20 Table B.1 * (bit ordering on A-bis */ -uint16_t gsm620_unvoiced_bitorder[112] = { +const uint16_t gsm620_unvoiced_bitorder[112] = { 3, /* R0:1 */ 25, /* LPC 3:7 */ 52, /* GSP 0-1:2 */ @@ -146,7 +146,7 @@ uint16_t gsm620_unvoiced_bitorder[112] = { /* This array encode mapping between GSM 05.03 Table 3b (bits * ordering before channel coding on TCH) and GSM 06.20 Table B.2 * (bit ordering on A-bis */ -uint16_t gsm620_voiced_bitorder[112] = { +const uint16_t gsm620_voiced_bitorder[112] = { 13, /* LPC 1:2 */ 14, /* LPC 1:1 */ 20, /* LPC 2:4 */ diff --git a/src/codec/gsm660.c b/src/codec/gsm660.c index 4fff5ff..c044a2a 100644 --- a/src/codec/gsm660.c +++ b/src/codec/gsm660.c @@ -32,7 +32,7 @@ * applied prior to this table, as in GSM 05.03 3.1.1, to get 260 * bits from a 244 bits raw EFR frame. */ -uint16_t gsm660_bitorder[260] = { +const uint16_t gsm660_bitorder[260] = { 38, 39, 40, 41, 42, 43, /* 0 -> LTP-LAG 1: b8..b3 */ 145, 146, 147, 148, 149, 150, /* 6 -> LTP-LAG 3: b8..b3 */ 93, 94, /* 12 -> LTP-LAG 2: b5..b4 */ diff --git a/src/codec/gsm690.c b/src/codec/gsm690.c index e5b9bd4..fdf3302 100644 --- a/src/codec/gsm690.c +++ b/src/codec/gsm690.c @@ -33,7 +33,7 @@ /* This array encodes GSM 05.03 Table 7 * It's also TS 26.101 Table B.8 */ -uint16_t gsm690_12_2_bitorder[244] = { +const uint16_t gsm690_12_2_bitorder[244] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 23, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 38, @@ -65,7 +65,7 @@ uint16_t gsm690_12_2_bitorder[244] = { /* This array encodes GSM 05.03 Table 8 * It's also TS 26.101 Table B.7 */ -uint16_t gsm690_10_2_bitorder[204] = { +const uint16_t gsm690_10_2_bitorder[204] = { 7, 6, 5, 4, 3, 2, 1, 0, 16, 15, 14, 13, 12, 11, 10, 9, 8, 26, 27, 28, 29, 30, 31, 115, 116, 117, 118, 119, 120, 72, @@ -93,7 +93,7 @@ uint16_t gsm690_10_2_bitorder[204] = { /* This array encodes GSM 05.03 Table 9 * It's also TS 26.101 Table B.6 */ -uint16_t gsm690_7_95_bitorder[159] = { +const uint16_t gsm690_7_95_bitorder[159] = { 8, 7, 6, 5, 4, 3, 2, 14, 16, 9, 10, 12, 13, 15, 11, 17, 20, 22, 24, 23, 19, 18, 21, 56, 88, 122, 154, 57, 89, 123, @@ -116,7 +116,7 @@ uint16_t gsm690_7_95_bitorder[159] = { /* This array encodes GSM 05.03 Table 10 * It's also TS 26.101 Table B.5 */ -uint16_t gsm690_7_4_bitorder[148] = { +const uint16_t gsm690_7_4_bitorder[148] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 26, 87, 27, 88, 28, 89, 29, 90, 30, 91, 51, 80, 112, @@ -138,7 +138,7 @@ uint16_t gsm690_7_4_bitorder[148] = { /* This array encodes GSM 05.03 Table 11 * It's also TS 26.101 Table B.4 */ -uint16_t gsm690_6_7_bitorder[134] = { +const uint16_t gsm690_6_7_bitorder[134] = { 0, 1, 4, 3, 5, 6, 13, 7, 2, 8, 9, 11, 15, 12, 14, 10, 28, 82, 29, 83, 27, 81, 26, 80, 30, 84, 16, 55, 109, 56, @@ -159,7 +159,7 @@ uint16_t gsm690_6_7_bitorder[134] = { /* This array encodes GSM 05.03 Table 12 * It's also TS 26.101 Table B.3 */ -uint16_t gsm690_5_9_bitorder[118] = { +const uint16_t gsm690_5_9_bitorder[118] = { 0, 1, 4, 5, 3, 6, 7, 2, 13, 15, 8, 9, 11, 12, 14, 10, 16, 28, 74, 29, 75, 27, 73, 26, 72, 30, 76, 51, 97, 50, @@ -178,7 +178,7 @@ uint16_t gsm690_5_9_bitorder[118] = { /* This array encodes GSM 05.03 Table 13 * It's also TS 26.101 Table B.2 */ -uint16_t gsm690_5_15_bitorder[103] = { +const uint16_t gsm690_5_15_bitorder[103] = { 7, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8, 23, 24, 25, 26, 27, 46, 65, 84, 45, 44, 43, 64, 63, 62, @@ -196,7 +196,7 @@ uint16_t gsm690_5_15_bitorder[103] = { /* This array encodes GSM 05.03 Table 14 * It's also TS 26.101 Table B.1 */ -uint16_t gsm690_4_75_bitorder[95] = { +const uint16_t gsm690_4_75_bitorder[95] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 23, 24, 25, 26, 27, 28, 48, 49, 61, 62, 82, 83, 47, 46, -- 1.7.8.6