Many bug fixes and improvements (v2.2.1)

- increase CLIC max sources to 256 - zone1: switch to vectored trap handler to reduce irq latency - fix -Wall and -Wextra warnings - update riscv-gnu-toolchain-20210618 (rv32i|rv32e|rv64i)mac - update manual.pdf and README.md multizone.jar @1b9f31 (v2.2.1) / kernel @6b58e8 (v2.2.1): - major redesign of kernel internal data structures - up to 32/64 clint + 64/128 plic sources - up to 256 clic sources for both rv32 and rv64 - reduce size of most kern vars from REGSIZE to 4-byte - increase trap & emulation i-cache size - add support for SiFive clic (E21) - update support for rv32e 16-regs - update riscv-gnu-toolchain-20210618 (rv32i|rv32e|rv64i)c
hex-five · Oct 8, 2021 · 0f0c406 · 0f0c406
1 parent 0ca9829
commit 0f0c406
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Showing 16 changed files with 205 additions and 165 deletions.
diff --git a/.settings/language.settings.xml b/.settings/language.settings.xml
@@ -4,7 +4,7 @@
 		<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
 			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-			<provider class="org.eclipse.cdt.internal.build.crossgcc.CrossGCCBuiltinSpecsDetector" console="false" env-hash="1354299396477282116" id="org.eclipse.cdt.build.crossgcc.CrossGCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -march=rv32i -mabi=ilp32 -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true" store-entries-with-project="false">
+			<provider class="org.eclipse.cdt.internal.build.crossgcc.CrossGCCBuiltinSpecsDetector" console="false" env-hash="1356915691844643014" id="org.eclipse.cdt.build.crossgcc.CrossGCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -march=rv32i -mabi=ilp32 -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true" store-entries-with-project="false">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>
@@ -14,7 +14,7 @@
 		<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
 			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-			<provider class="org.eclipse.cdt.internal.build.crossgcc.CrossGCCBuiltinSpecsDetector" console="false" env-hash="1349725499485729028" id="org.eclipse.cdt.build.crossgcc.CrossGCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
+			<provider class="org.eclipse.cdt.internal.build.crossgcc.CrossGCCBuiltinSpecsDetector" console="false" env-hash="1352341794853089926" id="org.eclipse.cdt.build.crossgcc.CrossGCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>
@@ -24,7 +24,7 @@
 		<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
 			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-			<provider class="org.eclipse.cdt.internal.build.crossgcc.CrossGCCBuiltinSpecsDetector" console="false" env-hash="1354299396477282116" id="org.eclipse.cdt.build.crossgcc.CrossGCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -march=rv32i -mabi=ilp32 -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true" store-entries-with-project="false">
+			<provider class="org.eclipse.cdt.internal.build.crossgcc.CrossGCCBuiltinSpecsDetector" console="false" env-hash="1356915691844643014" id="org.eclipse.cdt.build.crossgcc.CrossGCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -march=rv32i -mabi=ilp32 -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true" store-entries-with-project="false">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>
@@ -34,7 +34,7 @@
 		<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
 			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-			<provider class="org.eclipse.cdt.internal.build.crossgcc.CrossGCCBuiltinSpecsDetector" console="false" env-hash="1354299396477282116" id="org.eclipse.cdt.build.crossgcc.CrossGCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -march=rv32i -mabi=ilp32 -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true" store-entries-with-project="false">
+			<provider class="org.eclipse.cdt.internal.build.crossgcc.CrossGCCBuiltinSpecsDetector" console="false" env-hash="1356915691844643014" id="org.eclipse.cdt.build.crossgcc.CrossGCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -march=rv32i -mabi=ilp32 -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true" store-entries-with-project="false">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>
@@ -44,7 +44,7 @@
 		<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
 			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-			<provider class="org.eclipse.cdt.internal.build.crossgcc.CrossGCCBuiltinSpecsDetector" console="false" env-hash="1354299396477282116" id="org.eclipse.cdt.build.crossgcc.CrossGCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -march=rv32i -mabi=ilp32 -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true" store-entries-with-project="false">
+			<provider class="org.eclipse.cdt.internal.build.crossgcc.CrossGCCBuiltinSpecsDetector" console="false" env-hash="1356915691844643014" id="org.eclipse.cdt.build.crossgcc.CrossGCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -march=rv32i -mabi=ilp32 -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true" store-entries-with-project="false">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>
@@ -54,7 +54,7 @@
 		<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
 			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-			<provider class="org.eclipse.cdt.internal.build.crossgcc.CrossGCCBuiltinSpecsDetector" console="false" env-hash="1354299396477282116" id="org.eclipse.cdt.build.crossgcc.CrossGCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -march=rv32i -mabi=ilp32 -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true" store-entries-with-project="false">
+			<provider class="org.eclipse.cdt.internal.build.crossgcc.CrossGCCBuiltinSpecsDetector" console="false" env-hash="1356915691844643014" id="org.eclipse.cdt.build.crossgcc.CrossGCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -march=rv32i -mabi=ilp32 -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true" store-entries-with-project="false">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>

diff --git a/.settings/org.eclipse.cdt.core.prefs b/.settings/org.eclipse.cdt.core.prefs
@@ -28,22 +28,22 @@ environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143.1774136172/PATH/operation=replace
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143.1774136172/PATH/value=${RISCV}/bin\:/usr/local/bin\:/usr/bin
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143.1774136172/RISCV/delimiter=\:
-environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143.1774136172/RISCV/operation=append
-environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143.1774136172/RISCV/value=${HOME}/riscv-gnu-toolchain-20210807
+environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143.1774136172/RISCV/operation=replace
+environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143.1774136172/RISCV/value=${HOME}/riscv-gnu-toolchain-20210618
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143.1774136172/append=true
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143.1774136172/appendContributed=false
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143/BOARD/delimiter=\:
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143/BOARD/operation=append
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143/BOARD/value=${ConfigName}
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143/OPENOCD/delimiter=\:
-environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143/OPENOCD/operation=append
+environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143/OPENOCD/operation=replace
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143/OPENOCD/value=${HOME}/riscv-openocd-20210807
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143/PATH/delimiter=\:
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143/PATH/operation=replace
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143/PATH/value=${RISCV}/bin\:/usr/local/bin\:/usr/bin
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143/RISCV/delimiter=\:
-environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143/RISCV/operation=append
-environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143/RISCV/value=${HOME}/riscv-gnu-toolchain-20210807
+environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143/RISCV/operation=replace
+environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143/RISCV/value=${HOME}/riscv-gnu-toolchain-20210618
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143/append=true
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.1711890143/appendContributed=false
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.431242482/BOARD/delimiter=\:
@@ -56,8 +56,8 @@ environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.4312424
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.431242482/PATH/operation=replace
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.431242482/PATH/value=${RISCV}/bin\:/usr/local/bin\:/usr/bin
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.431242482/RISCV/delimiter=\:
-environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.431242482/RISCV/operation=append
-environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.431242482/RISCV/value=${HOME}/riscv-gnu-toolchain-20210807
+environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.431242482/RISCV/operation=replace
+environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.431242482/RISCV/value=${HOME}/riscv-gnu-toolchain-20210618
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.431242482/append=true
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.431242482/appendContributed=false
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.536217131/BOARD/delimiter=\:
@@ -84,8 +84,8 @@ environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.5905724
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.590572468/PATH/operation=replace
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.590572468/PATH/value=${RISCV}/bin\:/usr/local/bin\:/usr/bin
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.590572468/RISCV/delimiter=\:
-environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.590572468/RISCV/operation=append
-environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.590572468/RISCV/value=${HOME}/riscv-gnu-toolchain-20210807
+environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.590572468/RISCV/operation=replace
+environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.590572468/RISCV/value=${HOME}/riscv-gnu-toolchain-20210618
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.590572468/append=true
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.590572468/appendContributed=false
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.840214652/BOARD/delimiter=\:
@@ -98,8 +98,8 @@ environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.8402146
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.840214652/PATH/operation=replace
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.840214652/PATH/value=${RISCV}/bin\:/usr/local/bin\:/usr/bin
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.840214652/RISCV/delimiter=\:
-environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.840214652/RISCV/operation=append
-environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.840214652/RISCV/value=${HOME}/riscv-gnu-toolchain-20210807
+environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.840214652/RISCV/operation=replace
+environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.840214652/RISCV/value=${HOME}/riscv-gnu-toolchain-20210618
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.840214652/append=true
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180.840214652/appendContributed=false
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180/BOARD/delimiter=\:
@@ -112,7 +112,7 @@ environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180/PATH/de
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180/PATH/operation=replace
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180/PATH/value=${RISCV}/bin\:/usr/local/bin\:/usr/bin
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180/RISCV/delimiter=\:
-environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180/RISCV/operation=append
-environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180/RISCV/value=${HOME}/riscv-gnu-toolchain-20210807
+environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180/RISCV/operation=replace
+environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180/RISCV/value=${HOME}/riscv-gnu-toolchain-20210618
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180/append=true
 environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1603369180/appendContributed=false
diff --git a/Makefile b/Makefile
@@ -6,14 +6,10 @@
 
 BOARD ?= N22-ILM
 
-ifeq ($(filter $(BOARD), X300 E31 FE310 N22-ILM N22-FLASH), $(BOARD))
+ifeq ($(filter $(BOARD), N22-ILM N22-FLASH), $(BOARD))
     ARCH := rv32
     RISCV_ARCH := $(ARCH)imac
     RISCV_ABI := ilp32
-else ifeq ($(filter $(BOARD), S51), $(BOARD))
-    ARCH := rv64
-    RISCV_ARCH := $(ARCH)imac
-    RISCV_ABI := lp64
 else
     $(error Unsupported board $(BOARD))
 endif

diff --git a/README.md b/README.md
@@ -34,11 +34,11 @@ Note: GtkTerm is optional and required only to connect to the reference applicat
 
 **GNU RISC-V Toolchain**
 
-Hex Five reference build: RISC-V GNU Toolchain Linux 64-bit August 07, 2021
+Hex Five reference build: RISC-V GNU Toolchain Linux 64-bit June 18, 2021
 ```
 cd ~
-wget https://hex-five.com/wp-content/uploads/riscv-gnu-toolchain-20210807.tar.gz
-tar -xvf riscv-gnu-toolchain-20210807.tar.gz
+wget https://hex-five.com/wp-content/uploads/riscv-gnu-toolchain-20210618.tar.xz
+tar -xvf riscv-gnu-toolchain-20210618.tar.xz
 ```
 
 **OpenOCD on-chip debugger**

diff --git a/bsp/N22-ILM/newlib/newlib.c b/bsp/N22-ILM/newlib/newlib.c
@@ -117,6 +117,21 @@ int _read(int file, char *ptr, size_t len) {
 	return -1;
 }
 
+// ----------------------------------------------------------------------------
+void _putchar(const char c) {
+// ----------------------------------------------------------------------------
+
+    while ( (UART_REG(UART_LSR) & UART_LSR_THRE) == 0){;}
+
+    UART_REG(UART_THR) = c;
+
+    if (c == '\n') {
+        while ( (UART_REG(UART_LSR) & UART_LSR_THRE) == 0){;}
+        UART_REG(UART_THR) = '\r';
+    }
+
+}
+
 // ----------------------------------------------------------------------------
 size_t _write(int file, const void *ptr, size_t len) {
 // ----------------------------------------------------------------------------

diff --git a/bsp/N22-ILM/newlib/newlib.mk b/bsp/N22-ILM/newlib/newlib.mk
@@ -14,7 +14,7 @@ LDFLAGS += --specs=nano.specs
 LDFLAGS += --specs=nosys.specs
 LDFLAGS += -nostartfiles
 LDFLAGS += -Xlinker --gc-sections
-LDFLAGS += -Wl,-Map,$(MAP)
+LDFLAGS += -Wl,-Map,$(MAP) -Wl,--cref
 
 ASM_OBJS := $(ASM_SRCS:.S=.o)
 C_OBJS := $(C_SRCS:.c=.o)
@@ -29,8 +29,8 @@ CFLAGS += -mabi=$(RISCV_ABI)
 CFLAGS += -mcmodel=medlow
 CFLAGS += -msmall-data-limit=8
 CFLAGS += -ffunction-sections -fdata-sections
-CFLAGS += -Wall
-CFLAGS += -Og -ggdb
+CFLAGS += -Wall -Wextra -Wno-unused-parameter
+CFLAGS += -Os -ggdb
 
 HEX = $(subst .elf,.hex,$(TARGET))
 LST = $(subst .elf,.lst,$(TARGET))

diff --git a/bsp/N22-ILM/openocd.cfg b/bsp/N22-ILM/openocd.cfg
@@ -1,7 +1,7 @@
 # Copyright(C) 2020 Hex Five Security, Inc. - All Rights Reserved */
 
-adapter_khz 20000
-interface ftdi
+adapter speed 20000
+adapter driver ftdi
 
 ftdi_device_desc "Dual RS232-HS"
 ftdi_vid_pid 0x0403 0x6010

diff --git a/bsp/N22-ILM/platform.h b/bsp/N22-ILM/platform.h
@@ -10,6 +10,7 @@
 // RTC (CLINT)
 // -----------------------------------------------------------------------------
 #define CLINT_BASE	0xE6000000
+
 #define CLINT_MTIMECMP  0x0008
 #define CLINT_MTIME	    0x0000
 
@@ -45,6 +46,8 @@
 #define DMA_TR_DEST		0x4C /* +ch*0x14 */
 #define DMA_TR_SIZE		0x50 /* +ch*0x14 */
 
+#define DMA_IRQ			28
+
 // -----------------------------------------------------------------------------
 // UART2 - Andes ATCUART100
 // -----------------------------------------------------------------------------
@@ -66,6 +69,8 @@
 #define UART_THR 			0x20	// Transmitter Holding Register (when DLAB = 0) (0x20)
 #define UART_RBR 			0x20	// Receiver Buffer Register (when DLAB = 0) (0x20)
 
+#define UART_IRQ		27
+
 // -----------------------------------------------------------------------------
 // GPIO - Andes ATCGPIO100
 // -----------------------------------------------------------------------------
@@ -79,6 +84,8 @@
 #define GPIO_DEBOUNCE_EN 	0x70	// 3.2.13. De-bounce Enable Register (Offset 0x70)
 #define GPIO_DEBOUNCE_CTRL 	0x74	// 3.2.14. De-bounce Control Register (Offset 0x74)
 
+#define GPIO_IRQ    25
+
 // -----------------------------------------------------------------------------
 // SMU - Andes AE250 System Management Unit
 // -----------------------------------------------------------------------------

diff --git a/manual.pdf b/manual.pdf