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authorKimplul <kimi.h.kuparinen@gmail.com>2025-08-29 22:41:27 +0300
committerKimplul <kimi.h.kuparinen@gmail.com>2025-08-29 22:41:27 +0300
commit260689ea747f93b018ec4a25a2526a7aa05b7cb0 (patch)
treea30befd0bafa3a44ec495aaaa8ced56112265f81 /src
parent50a9b6780e04ae27cd03323d7fec02e15f7d3086 (diff)
downloadgran-260689ea747f93b018ec4a25a2526a7aa05b7cb0.tar.gz
gran-260689ea747f93b018ec4a25a2526a7aa05b7cb0.zip
remove torus3d
+ Might try to fix it at some point in the future but for now I don't want to carry around broken code
Diffstat (limited to 'src')
-rw-r--r--src/torus3d/node.c233
-rw-r--r--src/torus3d/source.mk1
2 files changed, 0 insertions, 234 deletions
diff --git a/src/torus3d/node.c b/src/torus3d/node.c
deleted file mode 100644
index 11f15e8..0000000
--- a/src/torus3d/node.c
+++ /dev/null
@@ -1,233 +0,0 @@
-#include <gran/torus3d/node.h>
-
-struct port {
- struct reg r[2];
-};
-
-struct torus3d_node {
- struct component component;
- uint8_t x, y, z /*, w for 4D but that might be a bit overkill*/;
-
- struct component *x_next, *y_next, *z_next,
- *x_prev, *y_prev, *z_prev,
- *child;
-
- struct port port_x, port_y, port_z;
-
- struct reg x_in, y_in, z_in, child_in;
-
- bool prio;
-};
-
-static stat port_receive(struct torus3d_node *torus3d, struct port *port,
- struct reg *reg)
-{
- if (!reg->busy)
- return OK;
-
- /* source */
- uint8_t sx, sy, sz;
- addr_torus3d(reg->pkt.from, &sx, &sy, &sz, NULL);
-
- /* dst */
- uint8_t dx, dy, dz;
- addr_torus3d(reg->pkt.to, &dx, &dy, &dz, NULL);
-
- /* Dally/spiral routing though I'm a bit unsure if this works for 2D/3D
- * toruses (1D seems to work, 2D not so much atm) */
- int chan = is_set(&reg->pkt, PACKET_DONE);
- if (port->r[chan].busy)
- return OK;
-
- printf("(%d, %d, %d) to (%d, %d, %d) via (%d, %d, %d) c %d\n",
- sx, sy, sz,
- dx, dy, dz,
- torus3d->x, torus3d->y, torus3d->z,
- chan);
-
- port->r[chan].pkt = reg->pkt;
- port->r[chan].busy = true;
- reg->busy = false;
- return OK;
-}
-
-static stat reg_receive(struct reg *r, struct packet pkt)
-{
- if (r->busy)
- return EBUSY;
-
- r->pkt = pkt;
- r->busy = true;
- return OK;
-}
-
-enum match {
- MX = (1 << 0),
- MY = (1 << 1),
- MZ = (1 << 2),
- NX = (1 << 3),
- NY = (1 << 4),
- NZ = (1 << 5),
-};
-
-static void maybe_route_reg(struct torus3d_node *torus3d, struct reg *reg,
- enum match m, uint64_t *oldest, struct packet **pkt,
- bool **busy)
-{
- if (!reg->busy)
- return;
-
- uint8_t x, y, z;
- addr_torus3d(reg->pkt.to, &x, &y, &z, NULL);
-
- if ((m & MX) && x != torus3d->x)
- return;
-
- if ((m & MY) && y != torus3d->y)
- return;
-
- if ((m & MZ) && z != torus3d->z)
- return;
-
- if ((m & NX) && x == torus3d->x)
- return;
-
- if ((m & NY) && y == torus3d->y)
- return;
-
- if ((m & NZ) && z == torus3d->z)
- return;
-
- if (reg->pkt.timestamp < *oldest) {
- *oldest = reg->pkt.timestamp;
- *busy = &reg->busy;
- *pkt = &reg->pkt;
- }
-}
-
-static stat route(struct torus3d_node *torus3d, struct component *next,
- enum match m)
-{
- bool prio = torus3d->prio;
- uint64_t oldest = -1; struct packet *pkt = NULL; bool *busy = NULL;
-
- /* prioritise current priority port */
- maybe_route_reg(torus3d, &torus3d->port_x.r[prio], m,
- &oldest, &pkt, &busy);
-
- maybe_route_reg(torus3d, &torus3d->port_y.r[prio], m,
- &oldest, &pkt, &busy);
-
- maybe_route_reg(torus3d, &torus3d->port_z.r[prio], m,
- &oldest, &pkt, &busy);
-
- /* if no suitable match found, check other ports as well */
- if (pkt == NULL) {
- maybe_route_reg(torus3d, &torus3d->port_x.r[!prio], m,
- &oldest, &pkt, &busy);
-
- maybe_route_reg(torus3d, &torus3d->port_y.r[!prio], m,
- &oldest, &pkt, &busy);
-
- maybe_route_reg(torus3d, &torus3d->port_z.r[!prio], m,
- &oldest, &pkt, &busy);
- }
-
- maybe_route_reg(torus3d, &torus3d->child_in, m,
- &oldest, &pkt, &busy);
-
- /* no suitable match */
- if (pkt == NULL)
- return OK;
-
- assert(busy);
-
- stat ret = SEND(torus3d, next, *pkt);
- if (ret == EBUSY)
- return OK;
-
- *busy = false;
- return OK;
-}
-
-static stat torus3d_clock(struct torus3d_node *torus3d)
-{
- torus3d->prio = !torus3d->prio;
-
- stat ret = OK;
- if ((ret = port_receive(torus3d, &torus3d->port_x, &torus3d->x_in)))
- return ret;
-
- if ((ret = port_receive(torus3d, &torus3d->port_y, &torus3d->y_in)))
- return ret;
-
- if ((ret = port_receive(torus3d, &torus3d->port_z, &torus3d->z_in)))
- return ret;
-
- if ((ret = route(torus3d, torus3d->x_next, NX)))
- return ret;
-
- if ((ret = route(torus3d, torus3d->y_next, NY | MX)))
- return ret;
-
- if ((ret = route(torus3d, torus3d->z_next, NZ | MX | MY)))
- return ret;
-
- if ((ret = route(torus3d, torus3d->child, MX | MY | MZ)))
- return ret;
-
- return OK;
-}
-
-static stat torus3d_receive(struct torus3d_node *torus3d,
- struct component *from, struct packet pkt)
-{
- if (from == torus3d->child)
- return reg_receive(&torus3d->child_in, pkt);
-
- if (from == torus3d->x_prev)
- return reg_receive(&torus3d->x_in, pkt);
-
- if (from == torus3d->y_prev)
- return reg_receive(&torus3d->y_in, pkt);
-
- if (from == torus3d->z_prev)
- return reg_receive(&torus3d->z_in, pkt);
-
- abort();
- return OK;
-}
-
-struct component *create_torus3d_node(uint8_t x, uint8_t y, uint8_t z)
-{
- struct torus3d_node *node = calloc(1, sizeof(struct torus3d_node));
- if (!node)
- return NULL;
-
- node->component.receive = (receive_callback)torus3d_receive;
- node->component.clock = (clock_callback)torus3d_clock;
- node->x = x;
- node->y = y;
- node->z = z;
- return (struct component *)node;
-}
-
-stat torus3d_node_connect(struct component *node,
- struct component *x_in,
- struct component *y_in,
- struct component *z_in,
- struct component *child,
- struct component *x_out,
- struct component *y_out,
- struct component *z_out)
-{
- struct torus3d_node *n = (struct torus3d_node *)node;
- n->x_prev = x_in;
- n->y_prev = y_in;
- n->z_prev = z_in;
- n->child = child;
- n->x_next = x_out;
- n->y_next = y_out;
- n->z_next = z_out;
- return OK;
-}
diff --git a/src/torus3d/source.mk b/src/torus3d/source.mk
deleted file mode 100644
index 30f8e87..0000000
--- a/src/torus3d/source.mk
+++ /dev/null
@@ -1 +0,0 @@
-GRAN_SOURCES += src/torus3d/node.c