feat(tricore): Initial tricore support

Makefile

@@ -204,8 +204,13 @@ endif
 ifeq ($(plat_mem),non_unified)
 	build_macros+=-DMEM_NON_UNIFIED
 endif
-ifeq ($(phys_irqs_only),y)
-	build_macros+=-DPHYS_IRQS_ONLY
+
+ifeq ($(mmio_slave_side_prot),y)
+	build_macros+=-DMMIO_SLAVE_SIDE_PROT
+
+	ifneq ($(arch_mem_prot),mpu)
+		$(error mmio_slave_side_prot=y requires arch_mem_prot=mpu)
+	endif
 endif
 
 ifeq ($(CC_IS_GCC),y)
@@ -240,7 +245,8 @@ ifeq ($(CC_IS_GCC),y)
 		-Wmissing-prototypes -Wmissing-declarations  \
 		-Wswitch-default -Wshadow -Wshadow=global \
 		-Wcast-qual -Wunused-macros \
-		-Wstrict-prototypes -Wunused-but-set-variable
+		-Wstrict-prototypes -Wunused-but-set-variable \
+		-Wno-multistatement-macros
 
 	override CFLAGS+=-Wno-unused-command-line-argument \
 		-pedantic -pedantic-errors

scripts/arch/tricore/platform_defs_gen.c

@@ -0,0 +1,36 @@
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ * Copyright (c) Bao Project and Contributors. All rights reserved
+ */
+
+#include <stdio.h>
+#include <platform.h>
+
+extern uint32_t plat_ints[];
+extern uint32_t plat_int_size;
+
+void arch_platform_defs() {
+    unsigned int bitmap[64] = {0};
+    unsigned int count = plat_int_size;
+
+    for(int i = 0; i < count; i++){
+        unsigned int irq = plat_ints[i];
+        unsigned int index = irq / 32;
+        unsigned int bit = irq % 32;
+
+        if(index < 64 && bit < 32)
+            bitmap[index] |= 1UL << bit;
+    }
+
+    printf ("#define INTERRUPTS_COUNT %d\n", count);
+    printf("#define INTERRUPTS_BITMAP {\t");
+    for(int i = 0; i < 64; i++)
+    {
+        if(i && i % 4 == 0)
+            printf(" \\\n\t\t\t\t\t\t");
+        if(i != 63)
+            printf("0x%x, ", bitmap[i]);
+        else printf("0x%x }\n", bitmap[i]);
+    }
+
+}

src/arch/tricore/arch.mk

@@ -0,0 +1,16 @@
+## SPDX-License-Identifier: Apache-2.0
+## Copyright (c) Bao Project and Contributors. All rights reserved.
+
+CROSS_COMPILE ?= tricore-elf-
+
+clang_arch_target:=tricore-unknown-unknown-elf
+
+arch-cppflags+=
+#arch-cflags=-march=tc18
+#arch-asflags=-march=tc18
+arch-ldflags=
+
+arch_mem_prot:=mpu
+plat_mem:=non_unified
+PAGE_SIZE:=64
+mmio_slave_side_prot:=y

src/arch/tricore/asm_defs.c

@@ -0,0 +1,38 @@
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ * Copyright (c) Bao Project and Contributors. All rights reserved.
+ */
+
+#include <bao.h>
+#include <cpu.h>
+#include <vm.h>
+#include <platform.h>
+
+__attribute__((used)) static void cpu_defines(void)
+{
+    DEFINE_SIZE(CPU_SIZE, struct cpu);
+
+    DEFINE_OFFSET(CPU_STACK_OFF, struct cpu, stack);
+    DEFINE_SIZE(CPU_STACK_SIZE, ((struct cpu*)NULL)->stack);
+
+    DEFINE_OFFSET(CPU_VCPU_OFF, struct cpu, vcpu);
+}
+
+__attribute__((used)) static void vcpu_defines(void)
+{
+    DEFINE_SIZE(VCPU_ARCH_SIZE, struct vcpu_arch);
+    DEFINE_OFFSET(VCPU_REGS_OFF, struct vcpu, regs);
+    DEFINE_OFFSET(VCPU_VM_OFF, struct vcpu, vm);
+    DEFINE_OFFSET(VCPU_REGS_LOWER_CTX_OFF, struct vcpu, regs.lower_ctx);
+    DEFINE_OFFSET(REGS_A0_OFF, struct arch_regs, a0);
+    DEFINE_OFFSET(REGS_A1_OFF, struct arch_regs, a1);
+    DEFINE_OFFSET(REGS_A8_OFF, struct arch_regs, a8);
+    DEFINE_OFFSET(REGS_A9_OFF, struct arch_regs, a9);
+    DEFINE_SIZE(VCPU_REGS_SIZE, struct arch_regs);
+}
+
+__attribute__((used)) static void platform_defines(void)
+{
+    DEFINE_OFFSET(PLAT_CPUNUM_OFF, struct platform, cpu_num);
+    DEFINE_OFFSET(PLAT_ARCH_OFF, struct platform, arch);
+}