technically speaking deadlock free, but starves

2 files changed, 0 insertions, 78 deletions

diff --git a/src/components/mem/simple_mem.c b/src/components/mem/simple_mem.c
deleted file mode 100644
index e435ea5..0000000
--- a/src/components/mem/simple_mem.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/* SPDX-License-Identifier: copyleft-next-0.3.1 */
-/* Copyright 2023 Kim Kuparinen < kimi.h.kuparinen@gmail.com > */
-
-#include <string.h>
-#include <stdlib.h>
-#include <stdbool.h>
-
-#include <gran/mem/simple_mem.h>
-
-struct simple_mem {
-	struct component component;
-	struct component *send;
-	struct packet pkt;
-	bool busy;
-
-	size_t size;
-	uint8_t buf[];
-};
-
-static stat simple_mem_clock(struct simple_mem *mem)
-{
-	if (mem->busy)
-		return OK;
-
-	stat r = SEND(mem, mem->send, mem->pkt);
-	if (r == EBUSY)
-		return OK;
-
-	mem->busy = false;
-	return OK;
-}
-
-static stat simple_mem_receive(struct simple_mem *mem, struct component *from, struct packet pkt)
-{
-	if (mem->busy)
-		return EBUSY;
-
-	mem->send = from;
-
-	uint64_t offset = pkt.to % mem->size;
-	if (offset >= mem->size) {
-		error("read outside memory");
-		mem->pkt = response(pkt);
-		set_flags(&mem->pkt, PACKET_ERROR);
-		return OK;
-	}
-
-	if (is_set(&pkt, PACKET_READ))
-		checked_copyto(&pkt, mem->buf + offset);
-	else if (is_set(&pkt, PACKET_WRITE))
-		checked_copyfrom(&pkt, mem->buf + offset);
-	else
-		abort();
-
-	mem->pkt = response(pkt);
-	set_flags(&mem->pkt, PACKET_DONE);
-	return OK;
-}
-
-struct component *create_simple_mem(size_t size)
-{
-	struct simple_mem *new = calloc(1, sizeof(struct simple_mem) + size);
-	if (!new)
-		return NULL;
-
-	new->size = size;
-	new->component.receive = (receive_callback)simple_mem_receive;
-	new->component.clock = (clock_callback)simple_mem_clock;
-	return (struct component *)new;
-}
-
-void init_simple_mem(struct component *m, uintptr_t addr, size_t size,
-                     void *data)
-{
-	struct simple_mem *mem = (struct simple_mem *)m;
-	memcpy(mem->buf + addr, data, size);
-}
diff --git a/src/components/mem/source.mk b/src/components/mem/source.mk
deleted file mode 100644
index 9c339ba..0000000
--- a/src/components/mem/source.mk
+++ /dev/null
@@ -1 +0,0 @@
-SOURCES += src/components/mem/simple_mem.c