Merge pull request #257 from sifive/choose-boot-hart

DeviceTree can request a specific boot hart with 'metal,boothart' property in the chosen node

7 files changed, 22 insertions, 7 deletions

diff --git a/bsp/sifive-hifive1-revb/metal-inline.h b/bsp/sifive-hifive1-revb/metal-inline.h
index 2d29620..5f341a0 100644
--- a/bsp/sifive-hifive1-revb/metal-inline.h
+++ b/bsp/sifive-hifive1-revb/metal-inline.h
@@ -1,7 +1,7 @@
 /* Copyright 2019 SiFive, Inc */
 /* SPDX-License-Identifier: Apache-2.0 */
 /* ----------------------------------- */
-/* [XXXXX] 21-05-2019 10-54-35        */
+/* [XXXXX] 23-05-2019 13-29-50        */
 /* ----------------------------------- */
 
 #ifndef ASSEMBLY
@@ -28,6 +28,7 @@ extern inline int __metal_driver_sifive_clint0_interrupt_lines(struct metal_inte
 
 
 /* --------------------- cpu ------------ */
+extern inline int __metal_driver_cpu_hartid(struct metal_cpu *cpu);
 extern inline int __metal_driver_cpu_timebase(struct metal_cpu *cpu);
 extern inline struct metal_interrupt * __metal_driver_cpu_interrupt_controller(struct metal_cpu *cpu);
 extern inline int __metal_driver_cpu_num_pmp_regions(struct metal_cpu *cpu);
diff --git a/bsp/sifive-hifive1-revb/metal-platform.h b/bsp/sifive-hifive1-revb/metal-platform.h
index d437f68..3e0f3b9 100644
--- a/bsp/sifive-hifive1-revb/metal-platform.h
+++ b/bsp/sifive-hifive1-revb/metal-platform.h
@@ -1,7 +1,7 @@
 /* Copyright 2019 SiFive, Inc */
 /* SPDX-License-Identifier: Apache-2.0 */
 /* ----------------------------------- */
-/* [XXXXX] 21-05-2019 10-54-35        */
+/* [XXXXX] 23-05-2019 13-29-50        */
 /* ----------------------------------- */
 
 #ifndef SIFIVE_HIFIVE1_REVB__METAL_PLATFORM_H
diff --git a/bsp/sifive-hifive1-revb/metal.default.lds b/bsp/sifive-hifive1-revb/metal.default.lds
index 0a81a8e..dcbff03 100644
--- a/bsp/sifive-hifive1-revb/metal.default.lds
+++ b/bsp/sifive-hifive1-revb/metal.default.lds
@@ -1,7 +1,7 @@
 /* Copyright 2019 SiFive, Inc */
 /* SPDX-License-Identifier: Apache-2.0 */
 /* ----------------------------------- */
-/* [XXXXX] 21-05-2019 10-54-35        */
+/* [XXXXX] 23-05-2019 13-29-50        */
 /* ----------------------------------- */
 
 OUTPUT_ARCH("riscv")
@@ -28,6 +28,7 @@ SECTIONS
 	__stack_size = DEFINED(__stack_size) ? __stack_size : 0x400;
 	PROVIDE(__stack_size = __stack_size);
 	__heap_size = DEFINED(__heap_size) ? __heap_size : 0x400;
+	PROVIDE(__metal_boot_hart = 0);
 
 
 	.init 		:
diff --git a/bsp/sifive-hifive1-revb/metal.h b/bsp/sifive-hifive1-revb/metal.h
index 7ca6cdc..7a111a2 100644
--- a/bsp/sifive-hifive1-revb/metal.h
+++ b/bsp/sifive-hifive1-revb/metal.h
@@ -1,7 +1,7 @@
 /* Copyright 2019 SiFive, Inc */
 /* SPDX-License-Identifier: Apache-2.0 */
 /* ----------------------------------- */
-/* [XXXXX] 21-05-2019 10-54-35        */
+/* [XXXXX] 23-05-2019 13-29-50        */
 /* ----------------------------------- */
 
 #ifndef ASSEMBLY
@@ -230,6 +230,16 @@ static inline int __metal_driver_sifive_clint0_interrupt_lines(struct metal_inte
 
 
 /* --------------------- cpu ------------ */
+static inline int __metal_driver_cpu_hartid(struct metal_cpu *cpu)
+{
+	if ((uintptr_t)cpu == (uintptr_t)&__metal_dt_cpu_0) {
+		return 0;
+	}
+	else {
+		return -1;
+	}
+}
+
 static inline int __metal_driver_cpu_timebase(struct metal_cpu *cpu)
 {
 	if ((uintptr_t)cpu == (uintptr_t)&__metal_dt_cpu_0) {
diff --git a/bsp/sifive-hifive1-revb/metal.ramrodata.lds b/bsp/sifive-hifive1-revb/metal.ramrodata.lds
index cadc499..014fe70 100644
--- a/bsp/sifive-hifive1-revb/metal.ramrodata.lds
+++ b/bsp/sifive-hifive1-revb/metal.ramrodata.lds
@@ -1,7 +1,7 @@
 /* Copyright 2019 SiFive, Inc */
 /* SPDX-License-Identifier: Apache-2.0 */
 /* ----------------------------------- */
-/* [XXXXX] 21-05-2019 10-54-35        */
+/* [XXXXX] 23-05-2019 13-29-50        */
 /* ----------------------------------- */
 
 OUTPUT_ARCH("riscv")
@@ -28,6 +28,7 @@ SECTIONS
 	__stack_size = DEFINED(__stack_size) ? __stack_size : 0x400;
 	PROVIDE(__stack_size = __stack_size);
 	__heap_size = DEFINED(__heap_size) ? __heap_size : 0x400;
+	PROVIDE(__metal_boot_hart = 0);
 
 
 	.init 		:
diff --git a/bsp/sifive-hifive1-revb/metal.scratchpad.lds b/bsp/sifive-hifive1-revb/metal.scratchpad.lds
index baa38d9..13a357e 100644
--- a/bsp/sifive-hifive1-revb/metal.scratchpad.lds
+++ b/bsp/sifive-hifive1-revb/metal.scratchpad.lds
@@ -1,7 +1,7 @@
 /* Copyright 2019 SiFive, Inc */
 /* SPDX-License-Identifier: Apache-2.0 */
 /* ----------------------------------- */
-/* [XXXXX] 21-05-2019 10-54-35        */
+/* [XXXXX] 23-05-2019 13-29-50        */
 /* ----------------------------------- */
 
 OUTPUT_ARCH("riscv")
@@ -28,6 +28,7 @@ SECTIONS
 	__stack_size = DEFINED(__stack_size) ? __stack_size : 0x400;
 	PROVIDE(__stack_size = __stack_size);
 	__heap_size = DEFINED(__heap_size) ? __heap_size : 0x400;
+	PROVIDE(__metal_boot_hart = 0);
 
 
 	.init 		:
diff --git a/bsp/sifive-hifive1-revb/settings.mk b/bsp/sifive-hifive1-revb/settings.mk
index a315dab..d793c1d 100644
--- a/bsp/sifive-hifive1-revb/settings.mk
+++ b/bsp/sifive-hifive1-revb/settings.mk
@@ -1,7 +1,7 @@
 # Copyright 2019 SiFive, Inc #
 # SPDX-License-Identifier: Apache-2.0 #
 # ----------------------------------- #
-# [XXXXX] 21-05-2019 10-54-35        #
+# [XXXXX] 23-05-2019 13-29-50        #
 # ----------------------------------- #
 
 RISCV_ARCH=rv32imac
@@ -9,3 +9,4 @@ RISCV_ABI=ilp32
 RISCV_CMODEL=medlow
 
 TARGET_TAGS=board jlink
+TARGET_DHRY_ITERS=20000000