Merge pull request #235 from sifive/u54-rtl

Add Multicore Support

4 files changed, 77 insertions, 23 deletions

diff --git a/bsp/coreip-e34-rtl/metal.default.lds b/bsp/coreip-e34-rtl/metal.default.lds
index 3fd5c5f..4999528 100644
--- a/bsp/coreip-e34-rtl/metal.default.lds
+++ b/bsp/coreip-e34-rtl/metal.default.lds
@@ -21,6 +21,7 @@ PHDRS
 SECTIONS
 {
 	__stack_size = DEFINED(__stack_size) ? __stack_size : 0x400;
+	PROVIDE(__stack_size = __stack_size);
 	__heap_size = DEFINED(__heap_size) ? __heap_size : 0x400;
 
 
@@ -217,7 +218,6 @@ SECTIONS
 	{
 		PROVIDE( metal_segment_heap_target_start = . );
 		. = __heap_size;
-		. = __heap_size == 0 ? 0 : ORIGIN(ram) + LENGTH(ram);
 		PROVIDE( metal_segment_heap_target_end = . );
 		PROVIDE( _heap_end = . );
 	} >ram AT>ram :ram
diff --git a/bsp/coreip-e34-rtl/metal.h b/bsp/coreip-e34-rtl/metal.h
index 178d80a..89e7f85 100644
--- a/bsp/coreip-e34-rtl/metal.h
+++ b/bsp/coreip-e34-rtl/metal.h
@@ -5,11 +5,21 @@
 
 #ifdef __METAL_MACHINE_MACROS
 
+#define __METAL_CLINT_NUM_PARENTS 2
+
+#ifndef __METAL_CLINT_NUM_PARENTS
+#define __METAL_CLINT_NUM_PARENTS 0
+#endif
 #define __METAL_PLIC_SUBINTERRUPTS 128
 
+#define __METAL_PLIC_NUM_PARENTS 1
+
 #ifndef __METAL_PLIC_SUBINTERRUPTS
 #define __METAL_PLIC_SUBINTERRUPTS 0
 #endif
+#ifndef __METAL_PLIC_NUM_PARENTS
+#define __METAL_PLIC_NUM_PARENTS 0
+#endif
 #ifndef __METAL_CLIC_SUBINTERRUPTS
 #define __METAL_CLIC_SUBINTERRUPTS 0
 #endif
@@ -20,12 +30,16 @@
 
 #define METAL_MAX_CLINT_INTERRUPTS 2
 
+#define __METAL_CLINT_NUM_PARENTS 2
+
 #define __METAL_INTERRUPT_CONTROLLER_C000000_INTERRUPTS 1
 
 #define __METAL_PLIC_SUBINTERRUPTS 128
 
 #define METAL_MAX_PLIC_INTERRUPTS 1
 
+#define __METAL_PLIC_NUM_PARENTS 1
+
 #define __METAL_CLIC_SUBINTERRUPTS 0
 #define METAL_MAX_CLIC_INTERRUPTS 0
 
@@ -43,6 +57,7 @@
 
 
 #include <metal/drivers/fixed-clock.h>
+#include <metal/memory.h>
 #include <metal/drivers/riscv,clint0.h>
 #include <metal/drivers/riscv,cpu.h>
 #include <metal/drivers/riscv,plic0.h>
@@ -51,6 +66,15 @@
 #include <metal/drivers/sifive,global-external-interrupts0.h>
 #include <metal/drivers/sifive,test0.h>
 
+asm (".weak __metal_dt_mem_testram_20000000");
+struct metal_memory __metal_dt_mem_testram_20000000;
+
+asm (".weak __metal_dt_mem_dtim_80000000");
+struct metal_memory __metal_dt_mem_dtim_80000000;
+
+asm (".weak __metal_dt_mem_itim_8000000");
+struct metal_memory __metal_dt_mem_itim_8000000;
+
 /* From clint@2000000 */
 asm (".weak __metal_dt_clint_2000000");
 struct __metal_driver_riscv_clint0 __metal_dt_clint_2000000;
@@ -59,9 +83,8 @@ struct __metal_driver_riscv_clint0 __metal_dt_clint_2000000;
 asm (".weak __metal_dt_cpu_0");
 struct __metal_driver_cpu __metal_dt_cpu_0;
 
-/* From interrupt_controller */
-asm (".weak __metal_dt_interrupt_controller");
-struct __metal_driver_riscv_cpu_intc __metal_dt_interrupt_controller;
+asm (".weak __metal_dt_cpu_0_interrupt_controller");
+struct __metal_driver_riscv_cpu_intc __metal_dt_cpu_0_interrupt_controller;
 
 /* From interrupt_controller@c000000 */
 asm (".weak __metal_dt_interrupt_controller_c000000");
@@ -83,6 +106,39 @@ asm (".weak __metal_dt_teststatus_4000");
 struct __metal_driver_sifive_test0 __metal_dt_teststatus_4000;
 
 
+struct metal_memory __metal_dt_mem_testram_20000000 = {
+    ._base_address = 536870912UL,
+    ._size = 134217728UL,
+    ._attrs = {
+        .R = 1,
+        .W = 1,
+        .X = 1,
+        .C = 1,
+        .A = 1},
+};
+
+struct metal_memory __metal_dt_mem_dtim_80000000 = {
+    ._base_address = 2147483648UL,
+    ._size = 65536UL,
+    ._attrs = {
+        .R = 1,
+        .W = 1,
+        .X = 1,
+        .C = 1,
+        .A = 1},
+};
+
+struct metal_memory __metal_dt_mem_itim_8000000 = {
+    ._base_address = 134217728UL,
+    ._size = 16384UL,
+    ._attrs = {
+        .R = 1,
+        .W = 1,
+        .X = 1,
+        .C = 1,
+        .A = 1},
+};
+
 /* From clint@2000000 */
 struct __metal_driver_riscv_clint0 __metal_dt_clint_2000000 = {
     .vtable = &__metal_driver_vtable_riscv_clint0,
@@ -91,8 +147,9 @@ struct __metal_driver_riscv_clint0 __metal_dt_clint_2000000 = {
     .control_size = 65536UL,
     .init_done = 0,
     .num_interrupts = METAL_MAX_CLINT_INTERRUPTS,
-    .interrupt_parent = &__metal_dt_interrupt_controller.controller,
+    .interrupt_parents[0] = &__metal_dt_cpu_0_interrupt_controller.controller,
     .interrupt_lines[0] = 3,
+    .interrupt_parents[1] = &__metal_dt_cpu_0_interrupt_controller.controller,
     .interrupt_lines[1] = 7,
 };
 
@@ -101,11 +158,11 @@ struct __metal_driver_cpu __metal_dt_cpu_0 = {
     .vtable = &__metal_driver_vtable_cpu,
     .cpu.vtable = &__metal_driver_vtable_cpu.cpu_vtable,
     .timebase = 1000000UL,
-    .interrupt_controller = &__metal_dt_interrupt_controller.controller,
+    .interrupt_controller = &__metal_dt_cpu_0_interrupt_controller.controller,
 };
 
 /* From interrupt_controller */
-struct __metal_driver_riscv_cpu_intc __metal_dt_interrupt_controller = {
+struct __metal_driver_riscv_cpu_intc __metal_dt_cpu_0_interrupt_controller = {
     .vtable = &__metal_driver_vtable_riscv_cpu_intc,
     .controller.vtable = &__metal_driver_vtable_riscv_cpu_intc.controller_vtable,
     .init_done = 0,
@@ -117,9 +174,8 @@ struct __metal_driver_riscv_plic0 __metal_dt_interrupt_controller_c000000 = {
     .vtable = &__metal_driver_vtable_riscv_plic0,
     .controller.vtable = &__metal_driver_vtable_riscv_plic0.plic_vtable,
     .init_done = 0,
-/* From interrupt_controller */
-    .interrupt_parent = &__metal_dt_interrupt_controller.controller,
-    .interrupt_line = 11UL,
+    .interrupt_parents[0] = &__metal_dt_cpu_0_interrupt_controller.controller,
+    .interrupt_lines[0] = 11,
     .control_base = 201326592UL,
     .control_size = 67108864UL,
     .max_priority = 7UL,
@@ -137,8 +193,7 @@ struct __metal_driver_sifive_local_external_interrupts0 __metal_dt_local_externa
     .vtable = &__metal_driver_vtable_sifive_local_external_interrupts0,
     .irc.vtable = &__metal_driver_vtable_sifive_local_external_interrupts0.local0_vtable,
     .init_done = 0,
-/* From interrupt_controller */
-    .interrupt_parent = &__metal_dt_interrupt_controller.controller,
+    .interrupt_parent = &__metal_dt_cpu_0_interrupt_controller.controller,
     .num_interrupts = METAL_MAX_LOCAL_EXT_INTERRUPTS,
     .interrupt_lines[0] = 16,
     .interrupt_lines[1] = 17,
@@ -304,27 +359,25 @@ struct __metal_driver_sifive_test0 __metal_dt_teststatus_4000 = {
 };
 
 
+#define __METAL_DT_MAX_MEMORIES 3
+
+asm (".weak __metal_memory_table");
+struct metal_memory *__metal_memory_table[] = {
+					&__metal_dt_mem_testram_20000000,
+					&__metal_dt_mem_dtim_80000000,
+					&__metal_dt_mem_itim_8000000};
+
 /* From clint@2000000 */
 #define __METAL_DT_RISCV_CLINT0_HANDLE (&__metal_dt_clint_2000000.controller)
 
 #define __METAL_DT_CLINT_2000000_HANDLE (&__metal_dt_clint_2000000.controller)
 
-/* From cpu@0 */
-#define __METAL_DT_RISCV_CPU_HANDLE (&__metal_dt_cpu_0.cpu)
-
-#define __METAL_DT_CPU_0_HANDLE (&__metal_dt_cpu_0.cpu)
-
 #define __METAL_DT_MAX_HARTS 1
 
 asm (".weak __metal_cpu_table");
 struct __metal_driver_cpu *__metal_cpu_table[] = {
 					&__metal_dt_cpu_0};
 
-/* From interrupt_controller */
-#define __METAL_DT_RISCV_CPU_INTC_HANDLE (&__metal_dt_interrupt_controller.controller)
-
-#define __METAL_DT_INTERRUPT_CONTROLLER_HANDLE (&__metal_dt_interrupt_controller.controller)
-
 /* From interrupt_controller@c000000 */
 #define __METAL_DT_RISCV_PLIC0_HANDLE (&__metal_dt_interrupt_controller_c000000.controller)
 
diff --git a/bsp/coreip-e34-rtl/metal.ramrodata.lds b/bsp/coreip-e34-rtl/metal.ramrodata.lds
index 1946306..c8b82a2 100644
--- a/bsp/coreip-e34-rtl/metal.ramrodata.lds
+++ b/bsp/coreip-e34-rtl/metal.ramrodata.lds
@@ -21,6 +21,7 @@ PHDRS
 SECTIONS
 {
 	__stack_size = DEFINED(__stack_size) ? __stack_size : 0x400;
+	PROVIDE(__stack_size = __stack_size);
 	__heap_size = DEFINED(__heap_size) ? __heap_size : 0x400;
 
 
@@ -214,7 +215,6 @@ SECTIONS
 	{
 		PROVIDE( metal_segment_heap_target_start = . );
 		. = __heap_size;
-		. = __heap_size == 0 ? 0 : ORIGIN(ram) + LENGTH(ram);
 		PROVIDE( metal_segment_heap_target_end = . );
 		PROVIDE( _heap_end = . );
 	} >ram AT>ram :ram
diff --git a/bsp/coreip-e34-rtl/metal.scratchpad.lds b/bsp/coreip-e34-rtl/metal.scratchpad.lds
index 3c1fe99..f7da1bc 100644
--- a/bsp/coreip-e34-rtl/metal.scratchpad.lds
+++ b/bsp/coreip-e34-rtl/metal.scratchpad.lds
@@ -21,6 +21,7 @@ PHDRS
 SECTIONS
 {
 	__stack_size = DEFINED(__stack_size) ? __stack_size : 0x400;
+	PROVIDE(__stack_size = __stack_size);
 	__heap_size = DEFINED(__heap_size) ? __heap_size : 0x400;