change snitch patch

toolchain/snitch_cluster.patch

@@ -15,29 +15,42 @@ index d0979b7..171921d 100644
 +    KEEP(*(.cbss .cbss.*))
      __cbss_end = .;
    } >L3
-
+
+diff --git a/sw/snRuntime/src/alloc.h b/sw/snRuntime/src/alloc.h
+index ba1dee9..f79769f 100644
+--- a/sw/snRuntime/src/alloc.h
++++ b/sw/snRuntime/src/alloc.h
+@@ -69,6 +69,8 @@ inline void *snrt_l3alloc(size_t size) {
+
+     // TODO: L3 alloc size check
+
++    size = ALIGN_UP(size, MIN_CHUNK_SIZE);
++
+     void *ret = (void *)alloc->next;
+     alloc->next += size;
+     return ret;
 diff --git a/sw/snRuntime/src/team.c b/sw/snRuntime/src/team.c
 index a9eb840..5290e1d 100644
 --- a/sw/snRuntime/src/team.c
 +++ b/sw/snRuntime/src/team.c
 @@ -10,6 +10,10 @@ extern uint32_t snrt_global_core_idx();
-
+ 
  extern uint32_t snrt_global_core_num();
-
+ 
 +extern uint32_t snrt_global_compute_core_num();
 +
 +extern uint32_t snrt_global_compute_core_idx();
 +
  extern uint32_t snrt_cluster_idx();
-
+ 
  extern uint32_t snrt_cluster_num();
 diff --git a/target/snitch_cluster/sw/runtime/rtl/src/putchar.c b/target/snitch_cluster/sw/runtime/rtl/src/putchar.c
 index 0ad9500..215c8b1 100644
 --- a/target/snitch_cluster/sw/runtime/rtl/src/putchar.c
 +++ b/target/snitch_cluster/sw/runtime/rtl/src/putchar.c
 @@ -5,16 +5,19 @@
  extern uintptr_t volatile tohost, fromhost;
-
+ 
  // Rudimentary string buffer for putc calls.
 -extern uint32_t _edram;
  #define PUTC_BUFFER_LEN (1024 - sizeof(size_t))
@@ -58,6 +71,6 @@ index 0ad9500..215c8b1 100644
 +} putc_buffer_t;
 +
 +static volatile putc_buffer_t putc_buffer[SNRT_CLUSTER_NUM*SNRT_CLUSTER_CORE_NUM] __attribute__((section(".dram")));
-
+ 
  // Provide an implementation for putchar.
  void _putchar(char character) {