<RP2040> Add memory layout config and platform files

Issue: #231

src/arch/riscv/32/i/terravisor/include/riscv.h

@@ -1,6 +1,6 @@
 /*
  * CYANCORE LICENSE
- * Copyrights (C) 2019, Cyancore Team
+ * Copyrights (C) 2024, Cyancore Team
  *
  * File Name		: riscv.h
  * Description		: This file prototypes riscv arch related functions and

src/platform/rpi/common_rp2/arch/build.mk

@@ -0,0 +1,14 @@
+#
+# CYANCORE LICENSE
+# Copyrights (C) 2024, Cyancore Team
+#
+# File Name		: build.mk
+# Description		: This file accumulates the build rp2 series
+#			  platform arch sources
+# Primary Author	: Akash Kollipara [[email protected]]
+# Organisation		: Cyancore Core-Team
+#
+
+DIR		:= $(GET_PATH)
+
+include mk/obj.mk

src/platform/rpi/common_rp2/arch/platform_mem.c

@@ -1,6 +1,6 @@
 /*
  * CYANCORE LICENSE
- * Copyrights (C) 2019, Cyancore Team
+ * Copyrights (C) 2024, Cyancore Team
  *
  * File Name		: platform_mem.c
  * Description		: This file contains implementation of platform early setup APIs.

src/platform/rpi/common_rp2/build.mk

@@ -21,6 +21,6 @@ USE_DEFAULT_RESOURCES	?= 1
 LOCAL_INTERRUPT_DEVICE	?= 0
 PLAT_INTERRUPT_DEVICE	?= 0
 
-#include $(RP2_COMMON_DIR)/arch/build.mk
+include $(RP2_COMMON_DIR)/arch/build.mk
 #include $(RP2_COMMON_DIR)/hal/build.mk
-#include $(RP2_COMMON_DIR)/platform/build.mk
+include $(RP2_COMMON_DIR)/platform/build.mk

src/platform/rpi/common_rp2/include/platform.h

@@ -0,0 +1,21 @@
+/*
+ * CYANCORE LICENSE
+ * Copyrights (C) 2024, Cyancore Team
+ *
+ * File Name		: platform.h
+ * Description		: This file contains prototypes of platform apis
+ * Primary Author	: Akash Kollipara [[email protected]]
+ * Organisation		: Cyancore Core-Team
+ */
+
+#pragma once
+#define _RP2_PLATFORM_H_
+
+#include <status.h>
+
+void plat_panic_handler(void);
+void platform_print_cpu_info(void);
+status_t platform_copy_data(void);
+status_t platform_bss_clear(void);
+status_t platform_resources_setup(void);
+status_t platform_sysclk_reset(void);

src/platform/rpi/common_rp2/platform/build.mk

@@ -0,0 +1,17 @@
+#
+# CYANCORE LICENSE
+# Copyrights (C) 2024, Cyancore Team
+#
+# File Name		: build.mk
+# Description		: This file builds sources from rp2 common
+#			  platform directory
+# Primary Author	: Akash Kollipara [[email protected]]
+# Organisation		: Cyancore Core-Team
+#
+
+DIR	:= $(GET_PATH)
+
+PRINT_MEMORY_LAYOUT	?= 0
+$(eval $(call add_define,PRINT_MEMORY_LAYOUT))
+
+include mk/obj.mk

src/platform/rpi/common_rp2/platform/platform.c

@@ -1,42 +1,43 @@
 /*
  * CYANCORE LICENSE
- * Copyrights (C) 2019, Cyancore Team
+ * Copyrights (C) 2024, Cyancore Team
  *
  * File Name		: platform.c
- * Description		: This file contains sources for platform apis
+ * Description		: This file contains sources for platform functions
  * Primary Author	: Akash Kollipara [[email protected]]
  * Organisation		: Cyancore Core-Team
  */
 
-#include <status.h>
 #include <stdint.h>
+#include <status.h>
 #include <stdlib.h>
+#include <rand.h>
 #include <arch.h>
+#include <driver.h>
 #include <syslog.h>
+#include <driver/sysclk.h>
 #include <insignia.h>
+#include <terravisor/platform.h>
+#include <visor/workers.h>
 #include <platform.h>
-#include <syslog.h>
 
-uint32_t reset_syndrome;
 
 void platform_early_setup()
 {
 	status_t ret = success;
-
-	/* Setup platform memories*/
+#if USE_PRNG
+	unsigned int temp_randomnumber = rand();
+#endif
 	ret |= platform_copy_data();
 	ret |= platform_bss_clear();
 	ret |= platform_init_heap();
 	ret |= platform_resources_setup();
-
-	/* Setup memory syslogger*/
+#if USE_PRNG
+	srand(temp_randomnumber);
+#endif
+	syslog_stdout_disable();
 	driver_setup("mslog");
 
-	reset_syndrome = MMIO32(CHIP_RESET) & 0x01110100;
-	MMIO32(CHIP_RESET) = 0;
-
-	ret |= platform_clk_reset();
-
 	if(ret != success)
 		exit(EXIT_FAILURE);
 	return;
@@ -46,67 +47,69 @@ void platform_early_setup()
 static void platform_memory_layout()
 {
 	extern uint32_t _text_start, _text_size, _text_end,
-	_data_vstart, _data_size, _data_end,
-	_stack_start, _stack_size, _stack_end,
+	_rodata_start, _rodata_size, _rodata_end,
+	_data_vstart, _data_size, _data_vend,
+	_stack_start, _stack_end, _stack_size,
 	_bss_start, _bss_size, _bss_end,
 	_heap_start, _heap_size, _heap_end,
+	_itim_vstart, _itim_size, _itim_vend,
 	_flash_size, _ram_size;
 
-	syslog(info, "Memory Info >\n");
-	syslog(info, "Flash Size : %u\n", &_flash_size);
-	syslog(info, "RAM Size    : %u\n", &_ram_size);
 	syslog(info, "\n");
 	syslog(info, "Program Memory Layout >\n");
-	syslog(info, "text Region\t: %06p - %06p : Size: %u\n",
+	syslog(info, "Flash Size\t: %u\n", &_flash_size);
+	syslog(info, "RAM Size\t: %u\n", &_ram_size);
+	syslog(info, "text Region\t: %010p - %010p : Size: %u\n",
 			&_text_start, &_text_end, &_text_size);
-	syslog(info, "bss Region\t: %06p - %06p : Size: %u\n",
+	syslog(info, "rodata Region\t: %010p - %010p : Size: %u\n",
+			&_rodata_start, &_rodata_end, &_rodata_size);
+	syslog(info, "ITIM Region\t: %010p - %010p : Size: %u\n",
+			&_itim_vstart, &_itim_vend, &_itim_size);
+	syslog(info, "bss Region\t: %010p - %010p : Size: %u\n",
 			&_bss_start, &_bss_end, &_bss_size);
-	syslog(info, "data Region\t: %06p - %06p : Size: %u\n",
+	syslog(info, "data Region\t: %010p - %010p : Size: %u\n",
 			&_data_vstart, &_data_vend, &_data_size);
-	syslog(info, "stack Region\t: %06p - %06p : Size: %u\n",
-			&_stack_start, &_stack_end, &_stack_size);
-	syslog(info, "heap Region\t: %06p - %06p : Size: %u\n",
+	syslog(info, "stack Region\t: %010p - %010p : Size: %u\n",
+			&_stack_end, &_stack_start, &_stack_size);
+	syslog(info, "heap Region\t: %010p - %010p : Size: %u\n",
 			&_heap_start, &_heap_end, &_heap_size);
 	syslog(info, "\n");
 }
 #endif
 
-/**
- * platform_setup - Executes functions to make platform read to init
- *
- * @brief This function performs calls to function which make the
- * framework ready to execute. This function should be made to run on boot core only.
- */
 void platform_setup()
 {
-	sysdbg3("In %s\n", __func__);
+/*
+	status_t ret = success;
+*/
+
+#if PRCI_CLK
+	status_t ret = success;
+	if(ret != success)
+		exit(EXIT_FAILURE);
+#endif
+
 	driver_setup("earlycon");
 	bootmsgs_enable();
+#ifdef BOOTLOADER
 	cyancore_insignia_lite();
+#else
+	cyancore_insignia();
+#endif
+
 #if PRINT_MEMORY_LAYOUT
 	platform_memory_layout();
 #endif
+/* Uncomment this and remove above check if more conditions
+ * are introduced.
+	if(ret != success)
+		exit(EXIT_FAILURE);
+*/
 	return;
 }
 
-/**
- * platform_cpu_setup - Perform platform setup calls on all cpus
- *
- * @brief This function performs calls to functions that should be executed
- * on all cores to make the cpu ready for the platform drivers.
- */
 void platform_cpu_setup()
 {
-	sysdbg3("In %s\n", __func__);
 	arch_ei();
 	return;
 }
-
-void _NAKED plat_panic_handler_callback()
-{
-	context_frame_t *frame;
-	sysdbg3("In %s\n", __func__);
-	frame = get_context_frame();
-	syslog(info, "SP=%p \tSREG = %P\n", frame, frame->sreg);
-	exit(EXIT_FAILURE);
-}

src/platform/rpi/common_rp2/platform/platform_resource.c

@@ -1,6 +1,6 @@
 /*
  * CYANCORE LICENSE
- * Copyrights (C) 2019-2022, Cyancore Team
+ * Copyrights (C) 2024, Cyancore Team
  *
  * File Name		: platform_resource.c
  * Description		: This file contains sources for platform

src/platform/rpi/common_rp2/sections.ld.sx

@@ -21,6 +21,7 @@ MEMORY
 	/* VM Addresses */
 	vma_imem (irx!aw)	: ORIGIN = V_IMEM_START, LENGTH = IMEM_LENGTH
 	vma_dmem (arw!xi)	: ORIGIN = V_DMEM_START, LENGTH = DMEM_LENGTH
+	vma_stak (rw!axi)	: ORIGIN = V_STAK_START, LENGTH = STACK_SIZE
 
 	/* LM Addresses */
 	lma_mem			: ORIGIN = L_MEM_START, LENGTH = L_MEM_LENGTH
@@ -32,7 +33,7 @@ SECTIONS
 {
 	.text : ALIGN(4)
 	{
-		KEEP(*(.text.entry))
+		KEEP(*(.text.arch))
 		*(.text)
 		*(.text.*)
 		. = ALIGN(8);
@@ -71,7 +72,7 @@ SECTIONS
 		*(.data.*)
 		KEEP(*(.data))
 		DRIVER_TABLE
-		ECALL_TABLE
+		VCALL_TABLE
 	} > vma_dmem AT > lma_mem
 
 	.heap : ALIGN(HEAP_ALIGN)
@@ -86,7 +87,7 @@ SECTIONS
 		*(.stack)
 		KEEP(*(.stack))
 		. = . + STACK_SIZE;
-	} > vma_dmem
+	} > vma_stak
 
 	PROVIDE(_text_start = ADDR(.text));
 	PROVIDE(_text_size = SIZEOF(.text));
@@ -113,7 +114,7 @@ SECTIONS
 	PROVIDE(_heap_size = SIZEOF(.heap));
 	PROVIDE(_heap_end = _heap_start + _heap_size - 1);
 
-	PROVIDE(_flash_size = _data_size + SIZEOF(.text) + _itim_size + SIZEOF(.rodata));
+	PROVIDE(_flash_size = _data_size + SIZEOF(.text) + SIZEOF(.rodata));
 	PROVIDE(_ram_size = _bss_size + _data_size + SIZEOF(.stack) + SIZEOF(.heap));
 
 	ASSERT((_flash_size < FLASH_SIZE), "< x > Flash size exceeded ...")

src/platform/rpi/rp2040/config.mk

@@ -32,8 +32,8 @@ FLASH_SIZE	:= 0x1000000	# 16M
 RAM_START	:= 0x20000000
 RAM_SIZE	:= 0x42000	# 264K
 HEAP_SIZE	?= 16K
-STACK_SIZE	?= 16K
-STACK_SIZE_PCPU	?= 8K
+STACK_SIZE	?= 8K
+STACK_SIZE_PCPU	?= 4K
 
 $(eval $(call add_define,HEAP_SIZE))
 $(eval $(call add_define,STACK_SIZE))
@@ -48,8 +48,8 @@ $(eval $(call add_define,ICLK))
 N_EXCEP		:= 15
 $(eval $(call add_define,N_EXCEP))
 
-N_PLAT_IRQS	:= 32
-$(eval $(call add_define,N_PLAT_IRQS))
+N_IRQ		:= 26
+$(eval $(call add_define,N_IRQ))
 
 MAX_INTERRUPTS_PER_DEVICE	:= 1
 $(eval $(call add_define,MAX_INTERRUPTS_PER_DEVICE))

src/platform/rpi/rp2040/include/plat_mem.h

@@ -14,7 +14,8 @@
 #define RAM_SIZE	264K
 
 #define V_IMEM_START	0x10000000
-#define V_DMEM_START	0x20000000
+#define V_DMEM_START	0x21000000
+#define V_STAK_START	0x20040000
 
 #define L_MEM_START	0x10000000
 #define	L_MEM_LENGTH	16M
@@ -23,6 +24,4 @@
 #define	IMEM_LENGTH	16M
 
 #define ALIGN_BOUND	4
-
-#define STACK_SIZE	16K
-#define STACK_SIZE_PCPU	8K
+#define HEAP_ALIGN      ALIGN_BOUND