add sparcv8leon3-generic target

hal/sparcv8leon3/_interrupts.S

@@ -100,7 +100,7 @@ wovfl_done:
 	mov %l3, %o0
 
 	/* Disable traps, we can't let a trap use the free stack space */
-#ifndef __CPU_GR712RC
+#ifdef LEON3_USE_PWR
 	pwr 0, %psr
 #else
 	wr %l0, %psr

hal/sparcv8leon3/gaisler/Makefile

@@ -16,4 +16,6 @@ ifeq ($(TARGET_SUBFAMILY), gr712rc)
   OBJS += $(addprefix $(PREFIX_O)hal/$(TARGET_SUFF)/gaisler/, irqmp.o)
 else ifeq ($(TARGET_SUBFAMILY), gr716)
   OBJS += $(addprefix $(PREFIX_O)hal/$(TARGET_SUFF)/gaisler/, irqamp.o)
+else ifeq ($(TARGET_SUBFAMILY), generic)
+  OBJS += $(addprefix $(PREFIX_O)hal/$(TARGET_SUFF)/gaisler/, irqmp.o)
 endif

hal/sparcv8leon3/gaisler/generic/Makefile

@@ -0,0 +1,15 @@
+#
+# Makefile for Phoenix-RTOS loader (SPARCV8 LEON3 Generic HAL)
+#
+# Copyright 2024 Phoenix Systems
+#
+# %LICENSE%
+#
+
+CFLAGS += -DVADDR_KERNEL_INIT=$(VADDR_KERNEL_INIT)
+
+PLO_COMMANDS ?= alias app blob call console copy dump echo go help jffs2 kernel map mem phfs reboot script stop wait test-dev
+
+PLO_ALLDEVICES := uart-grlib ram-storage
+
+OBJS += $(addprefix $(PREFIX_O)hal/$(TARGET_SUFF)/gaisler/$(TARGET_SUBFAMILY)/, _init.o hal.o generic.o)

hal/sparcv8leon3/gaisler/generic/_init.S

@@ -0,0 +1,80 @@
+/*
+ * Phoenix-RTOS
+ *
+ * Operating system loader
+ *
+ * Low level initialization
+ *
+ * Copyright 2024 Phoenix Systems
+ * Author: Lukasz Leczkowski
+ *
+ * This file is part of Phoenix-RTOS.
+ *
+ * %LICENSE%
+ */
+
+ #define __ASSEMBLY__
+
+#include "config.h"
+#include "../../cpu.h"
+
+
+.extern syspage_common
+
+
+.section ".init", "ax"
+.align 4
+.global _init
+.type _init, #function
+_init:
+	wr %g0, %wim
+	nop
+	nop
+	nop
+
+	wr %g0, PSR_S, %psr
+
+	/* Get CPU ID */
+	rd %asr17, %g1
+	srl %g1, 28, %g1
+	cmp %g1, %g0
+	bnz jmp_core
+	nop
+
+	/* Set up trap table */
+	sethi %hi(_trap_table), %g1
+	wr %g1, %tbr
+
+	wr %g0, 0x2, %wim
+
+	flush
+	set 0x81000f, %g1
+	sta %g1, [%g0] ASI_CCTRL
+
+	clr %fp
+
+	/* Stack pointer */
+	set _stack, %sp
+	sub %sp, 0x60, %sp
+
+	/* Set PSR to supervisor, enable traps, disable irq */
+	wr %g0, (PSR_ET | PSR_S | PSR_PIL), %psr
+	nop
+	nop
+	nop
+
+	wr %g0, 0x2, %wim
+
+	sethi %hi(_startc), %g1
+	jmpl %g1 + %lo(_startc), %g0
+	clr %g1
+
+jmp_core:
+	set syspage_common, %g1
+	ld [%g1], %g1 /* syspage_common->syspage */
+	ld [%g1 + 8], %g1 /* syspage->pkernel */
+
+	/* Jump to kernel */
+	jmp %g1
+	nop
+.size _init, . - _init

hal/sparcv8leon3/gaisler/generic/config.h

@@ -0,0 +1,42 @@
+/*
+ * Phoenix-RTOS
+ *
+ * Operating system loader
+ *
+ * Platform configuration
+ *
+ * Copyright 2024 Phoenix Systems
+ * Author: Lukasz Leczkowski
+ *
+ * This file is part of Phoenix-RTOS.
+ *
+ * %LICENSE%
+ */
+
+#ifndef _CONFIG_H_
+#define _CONFIG_H_
+
+
+#ifndef __ASSEMBLY__
+
+#include "generic.h"
+#include "peripherals.h"
+#include "hal/sparcv8leon3/gaisler/gaisler.h"
+#include "hal/sparcv8leon3/gaisler/types.h"
+#include "hal/sparcv8leon3/cpu.h"
+
+#include <phoenix/arch/sparcv8leon3/syspage.h>
+#include <phoenix/syspage.h>
+
+#define PATH_KERNEL "phoenix-sparcv8leon3-generic.elf"
+
+#endif /* __ASSEMBLY__ */
+
+
+#define NWINDOWS 8
+
+/* Import platform specific definitions */
+#include "ld/sparcv8leon3-generic.ldt"
+
+
+#endif

hal/sparcv8leon3/gaisler/generic/generic.c

@@ -0,0 +1,25 @@
+/*
+ * Phoenix-RTOS
+ *
+ * Operating system loader
+ *
+ * LEON3 Generic specific functions
+ *
+ * Copyright 2024 Phoenix Systems
+ * Author: Lukasz Leczkowski
+ *
+ * This file is part of Phoenix-RTOS.
+ *
+ * %LICENSE%
+ */
+
+#include "generic.h"
+#include "hal/sparcv8leon3/gaisler/gaisler.h"
+
+
+int gaisler_iomuxCfg(iomux_cfg_t *ioCfg)
+{
+	(void)ioCfg;
+
+	return 0;
+}

hal/sparcv8leon3/gaisler/generic/generic.h

@@ -0,0 +1,30 @@
+/*
+ * Phoenix-RTOS
+ *
+ * Operating system loader
+ *
+ * LEON3 Generic specific functions
+ *
+ * Copyright 2024 Phoenix Systems
+ * Author: Lukasz Leczkowski
+ *
+ * This file is part of Phoenix-RTOS.
+ *
+ * %LICENSE%
+ */
+
+#ifndef _GENERIC_H_
+#define _GENERIC_H_
+
+#include "../types.h"
+
+
+static inline void hal_cpuHalt(void)
+{
+	/* clang-format off */
+	__asm__ volatile ("wr %g0, %asr19");
+	/* clang-format on */
+}
+
+
+#endif