8 ways support changes
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1826 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Yinghai Lu
parent
1de80941c2
commit
6a5d99bde4
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@ -308,27 +308,90 @@ static void setup_row_direct(u8 source, u8 dest, u8 linkn)
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val |= 1<<(linkn+1+8); //for direct connect response route should equal to request table
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fill_row(source,dest, val);
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}
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static uint8_t get_linkn_first(uint8_t byte)
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{
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if(byte & 0x02) { byte = 0; }
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else if(byte & 0x04) { byte = 1; }
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else if(byte & 0x08) { byte = 2; }
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return byte;
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}
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static uint8_t get_linkn_last(uint8_t byte)
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{
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if(byte & 0x02) { byte &= 0x0f; byte |= 0x00; }
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if(byte & 0x04) { byte &= 0x0f; byte |= 0x10; }
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if(byte & 0x08) { byte &= 0x0f; byte |= 0x20; }
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return byte>>4;
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}
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static uint8_t get_linkn_last_count(uint8_t byte)
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{
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byte &= 0x3f;
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if(byte & 0x02) { byte &= 0xcf; byte |= 0x00; byte+=0x40; }
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if(byte & 0x04) { byte &= 0xcf; byte |= 0x10; byte+=0x40; }
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if(byte & 0x08) { byte &= 0xcf; byte |= 0x20; byte+=0x40; }
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return byte>>4;
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}
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#if CONFIG_MAX_CPUS>2
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#if !CROSS_BAR_47_56
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static void setup_row_indirect(u8 source, u8 dest, u8 gateway)
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#else
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static void setup_row_indirect(u8 source, u8 dest, u8 gateway, u8 diff)
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#endif
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{
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//for indirect connection, we need to compute the val from val_s(source, source), and val_g(source, gateway)
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uint32_t val_s;
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uint32_t val_g;
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uint32_t val;
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uint8_t byte;
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#warning "FIXME is it the way to set the RESPONSE TABLE for indirect?"
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#warning "FIXME I don't know how to set BROADCAST TABLE for indirect, 1?"
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val_s = get_row(source, source);
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val_g = get_row(source, gateway);
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val = val_g & 0xff;
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val_s >>=16;
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val_s &=0xfe;
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if(val_s!=val) { // use another connect as response
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#if !CROSS_BAR_47_56
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if(((source&1)!=(dest &1)) && (val_s!=val) ) { // use another connect as response
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val_s -= val;
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#warning "FIXME I don't know how to set BROADCAST TABLE for indirect, 1?"
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#if CONFIG_MAX_CPUS>4
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// Some node have two links left
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byte = val_s;
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byte = get_linkn_last_count(byte);
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if((byte>>2)>1) {
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if(source<dest) {
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val_s-=link_connection(source, source-2); // - down
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} else {
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val_s-=link_connection(source, source+2); // - up
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}
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}
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#endif
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val |= (1<<16) | (val_s<<8);
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} else {
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val = val_g; // all the same to gateway
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}
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#else
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if(diff && (val_s!=val) ) { // use another connect as response
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val_s -= val;
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#if CONFIG_MAX_CPUS>4
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// Some node have two links left
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// don't worry we only have (2, (3 as source need to handle
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byte = val_s;
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byte = get_linkn_last_count(byte);
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if((byte>>2)>1) {
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if(source<dest) {
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val_s-=link_connection(source, source-2); // -down
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} else {
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val_s-=link_connection(source, source+2); // -up
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}
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}
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#endif
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val |= (1<<16) | (val_s<<8);
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} else {
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val = val_g; // all the same to gateway
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}
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#endif
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fill_row(source, dest, val);
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@ -336,8 +399,13 @@ static void setup_row_indirect(u8 source, u8 dest, u8 gateway)
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static void setup_row_indirect_group(const u8 *conn, int num)
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{
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int i;
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for(i=0; i<num; i+=3) {
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setup_row_indirect(conn[i*3], conn[i*3+1],conn[i*3+2]);
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for(i=0; i<num; i+=4) {
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#if !CROSS_BAR_47_56
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setup_row_indirect(conn[i*3], conn[i*3+1],conn[i*3+2]);
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#else
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setup_row_indirect(conn[i*4], conn[i*4+1],conn[i*4+2], conn[i*4+3]);
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#endif
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}
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}
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#endif
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@ -441,29 +509,6 @@ static int optimize_connection_group(const u8 *opt_conn, int num) {
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#endif
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#if CONFIG_MAX_CPUS > 1
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static uint8_t get_linkn_first(uint8_t byte)
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{
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if(byte & 0x02) { byte = 0; }
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else if(byte & 0x04) { byte = 1; }
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else if(byte & 0x08) { byte = 2; }
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return byte;
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}
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static uint8_t get_linkn_last(uint8_t byte)
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{
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if(byte & 0x02) { byte &= 0x0f; byte |= 0x00; }
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if(byte & 0x04) { byte &= 0x0f; byte |= 0x10; }
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if(byte & 0x08) { byte &= 0x0f; byte |= 0x20; }
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return byte>>4;
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}
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static uint8_t get_linkn_last_count(uint8_t byte)
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{
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byte &= 0x3f;
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if(byte & 0x02) { byte &= 0xcf; byte |= 0x00; byte+=0x40; }
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if(byte & 0x04) { byte &= 0xcf; byte |= 0x10; byte+=0x40; }
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if(byte & 0x08) { byte &= 0xcf; byte |= 0x20; byte+=0x40; }
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return byte>>4;
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}
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static struct setup_smp_result setup_smp(void)
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{
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struct setup_smp_result result;
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@ -583,10 +628,17 @@ static struct setup_smp_result setup_smp(void)
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/* We found 4 nodes so far. Now setup all nodes for 4p */
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/* for indirect we will use clockwise routing */
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#if !CROSS_BAR_47_56
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static const u8 conn4_1[] = {
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0,3,1,
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1,2,3,
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};
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#else
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static const u8 conn4_1[] = {
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0,3,1,1,
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1,2,3,1,
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};
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#endif
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setup_row_indirect_group(conn4_1, sizeof(conn4_1)/sizeof(conn4_1[0]));
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@ -661,10 +713,17 @@ static struct setup_smp_result setup_smp(void)
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setup_row_direct(3,2, byte & 0x3);
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/* Set indirect connection to 0, and 1 for indirect we will use clockwise routing */
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#if !CROSS_BAR_47_56
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static const u8 conn4_2[] = {
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2,1,0,
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3,0,2,
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};
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#else
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static const u8 conn4_2[] = {
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2,1,0,1,
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3,0,2,1,
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};
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#endif
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setup_row_indirect_group(conn4_2, sizeof(conn4_2)/sizeof(conn4_2[0]));
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@ -740,15 +799,20 @@ static struct setup_smp_result setup_smp(void)
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/* We found 6 nodes so far. Now setup all nodes for 6p */
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static const u8 conn6_1[] = {
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#if !CROSS_BAR_47_56
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0, 4, 2,
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0, 5, 1,
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1, 4, 3,
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1, 5, 3,
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2, 5, 3,
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#if !CROSS_BAR_47_56
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3, 4, 5,
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#else
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3, 4, 2,
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0, 4, 2, 0,
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0, 5, 1, 1,
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1, 4, 3, 1,
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1, 5, 3, 0,
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2, 5, 3, 0,
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3, 4, 2, 0,
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#endif
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};
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@ -839,15 +903,14 @@ static struct setup_smp_result setup_smp(void)
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5, 2, 4,
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5, 1, 3,
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#else
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4, 0, 2,
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4, 1, 2,
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4, 3, 2,
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4, 5, 2,
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5, 0, 3,
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5, 2, 3,
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5, 1, 3,
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5, 4, 3,
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4, 0, 2, 0,
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4, 1, 2, 0,
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4, 3, 2, 0,
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4, 5, 2, 0,
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5, 0, 3, 0,
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5, 2, 3, 0,
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5, 1, 3, 0,
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5, 4, 3, 0,
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#endif
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};
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@ -947,14 +1010,14 @@ static struct setup_smp_result setup_smp(void)
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// 3, 7, 5,
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// 4, 7, 5,
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#else
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0, 6, 2,
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// 0, 7, 2,
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1, 6, 3,
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// 1, 7, 3,
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2, 6, 4,
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// 2, 7, 4,
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3, 6, 5,
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// 3, 7, 5,
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0, 6, 2, 0,
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// 0, 7, 2, 0,
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1, 6, 3, 0,
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// 1, 7, 3, 0,
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2, 6, 4, 0,
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// 2, 7, 4, 0,
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3, 6, 5, 0,
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// 3, 7, 5, 0,
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#endif
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};
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@ -1116,21 +1179,21 @@ static struct setup_smp_result setup_smp(void)
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7, 3, 5,
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7, 4, 6,
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#else
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0, 7, 2, // restore it
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1, 7, 3,
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2, 7, 4,
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3, 7, 5,
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0, 7, 2, 0, // restore it
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1, 7, 3, 0,
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2, 7, 4, 0,
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3, 7, 5, 0,
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6, 0, 4,
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6, 1, 4,
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6, 2, 4,
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6, 3, 4,
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7, 0, 4,
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7, 1, 5,
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7, 2, 4,
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7, 3, 5,
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4, 5, 7,
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5, 4, 6,
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6, 0, 4, 0,
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6, 1, 5, 0,
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6, 2, 4, 0,
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6, 3, 5, 0,
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7, 0, 4, 0,
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7, 1, 5, 0,
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7, 2, 4, 0,
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7, 3, 5, 0,
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4, 5, 7, 0,
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5, 4, 6, 0,
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#endif
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};
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