bsps/irq: Remove BSP_INTERRUPT_VECTOR_MIN

Remove BSP_INTERRUPT_VECTOR_MIN and unconditionally let interrupt vector
numbers start with zero.

The BSP_INTERRUPT_VECTOR_MIN == 0 invariant was tested by the previous commit
and building all BSPs.

Update #3269.

61 files changed, 16 insertions, 107 deletions

diff --git a/bsps/aarch64/a53/include/bsp/irq.h b/bsps/aarch64/a53/include/bsp/irq.h
index f7a4f1ad1f..e1aebf5a22 100644
--- a/bsps/aarch64/a53/include/bsp/irq.h
+++ b/bsps/aarch64/a53/include/bsp/irq.h
@@ -48,7 +48,6 @@
 extern "C" {
 #endif /* __cplusplus */
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
 #define BSP_INTERRUPT_VECTOR_MAX 1023
 
 /* Interrupts vectors */
diff --git a/bsps/aarch64/a72/include/bsp/irq.h b/bsps/aarch64/a72/include/bsp/irq.h
index c3de523d48..71076ed82a 100644
--- a/bsps/aarch64/a72/include/bsp/irq.h
+++ b/bsps/aarch64/a72/include/bsp/irq.h
@@ -48,7 +48,6 @@
 extern "C" {
 #endif /* __cplusplus */
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
 #define BSP_INTERRUPT_VECTOR_MAX 1023
 
 /* Interrupts vectors */
diff --git a/bsps/aarch64/xilinx-zynqmp/include/bsp/irq.h b/bsps/aarch64/xilinx-zynqmp/include/bsp/irq.h
index 13ce55d5b9..f12a4536b5 100644
--- a/bsps/aarch64/xilinx-zynqmp/include/bsp/irq.h
+++ b/bsps/aarch64/xilinx-zynqmp/include/bsp/irq.h
@@ -48,7 +48,6 @@
 extern "C" {
 #endif /* __cplusplus */
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
 #define BSP_INTERRUPT_VECTOR_MAX 1023
 
 /* Interrupts vectors */
diff --git a/bsps/arm/altera-cyclone-v/include/bsp/irq.h b/bsps/arm/altera-cyclone-v/include/bsp/irq.h
index bd2bba4caa..d5470f9b4e 100644
--- a/bsps/arm/altera-cyclone-v/include/bsp/irq.h
+++ b/bsps/arm/altera-cyclone-v/include/bsp/irq.h
@@ -47,7 +47,6 @@ extern "C" {
  */
 
 /* Use interrupt IDs as defined in alt_interrupt_common.h */
-#define BSP_INTERRUPT_VECTOR_MIN ALT_INT_INTERRUPT_SGI0
 #define BSP_INTERRUPT_VECTOR_MAX ALT_INT_INTERRUPT_RAM_ECC_UNCORRECTED_IRQ
 
 /** @} */
diff --git a/bsps/arm/atsam/include/bsp/irq.h b/bsps/arm/atsam/include/bsp/irq.h
index 19370e4852..b6eac75042 100644
--- a/bsps/arm/atsam/include/bsp/irq.h
+++ b/bsps/arm/atsam/include/bsp/irq.h
@@ -23,8 +23,6 @@
   #include <rtems/irq-extension.h>
 #endif
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
-
 #define BSP_INTERRUPT_VECTOR_MAX 64
 
 #endif /* LIBBSP_ARM_ATSAM_ESV_70_IRQ_H */
diff --git a/bsps/arm/beagle/include/bsp/irq.h b/bsps/arm/beagle/include/bsp/irq.h
index 4cbf3a271f..9ecd6bc31e 100644
--- a/bsps/arm/beagle/include/bsp/irq.h
+++ b/bsps/arm/beagle/include/bsp/irq.h
@@ -15,7 +15,6 @@
 #include <rtems/irq.h>
 #include <rtems/irq-extension.h>
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
 #define BSP_INTERRUPT_VECTOR_MAX 127
 
 #endif /* ASM */
diff --git a/bsps/arm/beagle/irq/irq.c b/bsps/arm/beagle/irq/irq.c
index 2fa1a5b0f0..721703b87b 100644
--- a/bsps/arm/beagle/irq/irq.c
+++ b/bsps/arm/beagle/irq/irq.c
@@ -133,7 +133,7 @@ rtems_status_code bsp_interrupt_facility_initialize(void)
   }
 
   /* Mask all interrupts */
-  for(i = BSP_INTERRUPT_VECTOR_MIN; i <= BSP_INTERRUPT_VECTOR_MAX; i++)
+  for(i = 0; i <= BSP_INTERRUPT_VECTOR_MAX; i++)
     bsp_interrupt_vector_disable(i);
 
   /* Install generic interrupt handler */
diff --git a/bsps/arm/csb336/include/bsp/irq.h b/bsps/arm/csb336/include/bsp/irq.h
index eb56fdd887..b9978242eb 100644
--- a/bsps/arm/csb336/include/bsp/irq.h
+++ b/bsps/arm/csb336/include/bsp/irq.h
@@ -88,8 +88,6 @@
 #define BSP_INT_WDT              63
 #define BSP_MAX_INT              64
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
-
 #define BSP_INTERRUPT_VECTOR_MAX (BSP_MAX_INT - 1)
 
 #endif /* __IRQ_H__ */
diff --git a/bsps/arm/csb337/include/bsp/irq.h b/bsps/arm/csb337/include/bsp/irq.h
index ffc022fa4f..7d967b0ae0 100644
--- a/bsps/arm/csb337/include/bsp/irq.h
+++ b/bsps/arm/csb337/include/bsp/irq.h
@@ -72,8 +72,6 @@
 #define AT91RM9200_INT_IRQ6      31
 #define AT91RM9200_MAX_INT       32
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
-
 #define BSP_INTERRUPT_VECTOR_MAX (AT91RM9200_MAX_INT - 1)
 
 #endif /* __IRQ_H__ */
diff --git a/bsps/arm/edb7312/include/bsp/irq.h b/bsps/arm/edb7312/include/bsp/irq.h
index e834e9cf5c..ba167083d3 100644
--- a/bsps/arm/edb7312/include/bsp/irq.h
+++ b/bsps/arm/edb7312/include/bsp/irq.h
@@ -83,8 +83,6 @@
 
 /** @} */
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
-
 #define BSP_INTERRUPT_VECTOR_MAX (BSP_MAX_INT - 1)
 
 /** @} */
diff --git a/bsps/arm/fvp/include/bsp/irq.h b/bsps/arm/fvp/include/bsp/irq.h
index 7b4450ffec..d28f7a6db3 100644
--- a/bsps/arm/fvp/include/bsp/irq.h
+++ b/bsps/arm/fvp/include/bsp/irq.h
@@ -40,8 +40,6 @@
 
 #include <bspopts.h>
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
-
 #define BSP_INTERRUPT_VECTOR_MAX (32 + BSP_ARM_SHARED_PERIPHERAL_INTERRUPT_COUNT)
 
 #endif /* LIBBSP_ARM_FVP_IRQ_H */
diff --git a/bsps/arm/gumstix/include/bsp/irq.h b/bsps/arm/gumstix/include/bsp/irq.h
index a8b5d24da1..f7d0ca72d5 100644
--- a/bsps/arm/gumstix/include/bsp/irq.h
+++ b/bsps/arm/gumstix/include/bsp/irq.h
@@ -20,8 +20,6 @@
 
 #include <pxa255.h>
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
-
 #define BSP_INTERRUPT_VECTOR_MAX (PRIMARY_IRQS - 1)
 
 #endif /* __asm__ */
diff --git a/bsps/arm/imx/include/bsp/irq.h b/bsps/arm/imx/include/bsp/irq.h
index 1eea075bdc..249b416387 100644
--- a/bsps/arm/imx/include/bsp/irq.h
+++ b/bsps/arm/imx/include/bsp/irq.h
@@ -26,7 +26,6 @@
 extern "C" {
 #endif /* __cplusplus */
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
 #define BSP_INTERRUPT_VECTOR_MAX 159
 #define BSP_INTERRUPT_VECTOR_INVALID (UINT32_MAX)
 
diff --git a/bsps/arm/imxrt/include/bsp/irq.h b/bsps/arm/imxrt/include/bsp/irq.h
index eed54f8648..5e7fba0d33 100644
--- a/bsps/arm/imxrt/include/bsp/irq.h
+++ b/bsps/arm/imxrt/include/bsp/irq.h
@@ -43,7 +43,6 @@
 extern "C" {
 #endif /* __cplusplus */
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
 #define BSP_INTERRUPT_VECTOR_MAX 159
 #define BSP_INTERRUPT_VECTOR_INVALID (UINT32_MAX)
 
diff --git a/bsps/arm/lm3s69xx/include/bsp/irq.h b/bsps/arm/lm3s69xx/include/bsp/irq.h
index ca7a462f7f..25df016b16 100644
--- a/bsps/arm/lm3s69xx/include/bsp/irq.h
+++ b/bsps/arm/lm3s69xx/include/bsp/irq.h
@@ -100,7 +100,6 @@
 #define LM3S69XX_IRQ_PRIORITY_HIGHEST LM3S69XX_IRQ_PRIORITY_VALUE_MIN
 #define LM3S69XX_IRQ_PRIORITY_LOWEST LM3S69XX_IRQ_PRIORITY_VALUE_MAX
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
 /* NOTE: for lm3s6965 - 43 */
 #define BSP_INTERRUPT_VECTOR_MAX 47
 
diff --git a/bsps/arm/lpc176x/include/bsp/irq.h b/bsps/arm/lpc176x/include/bsp/irq.h
index 719608c8f7..4757e19a62 100644
--- a/bsps/arm/lpc176x/include/bsp/irq.h
+++ b/bsps/arm/lpc176x/include/bsp/irq.h
@@ -35,8 +35,6 @@
  * @{
  */
 
-#define BSP_INTERRUPT_VECTOR_MIN 0U
-
 #define LPC176X_IRQ_WDT 0U
 #define LPC176X_IRQ_TIMER_0 1U
 #define LPC176X_IRQ_TIMER_1 2U
diff --git a/bsps/arm/lpc24xx/include/bsp/irq.h b/bsps/arm/lpc24xx/include/bsp/irq.h
index 0f0e473a0c..7bbbf44f49 100644
--- a/bsps/arm/lpc24xx/include/bsp/irq.h
+++ b/bsps/arm/lpc24xx/include/bsp/irq.h
@@ -35,8 +35,6 @@
  * @{
  */
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
-
 #ifdef ARM_MULTILIB_ARCH_V4
   #define LPC24XX_IRQ_WDT 0
   #define LPC24XX_IRQ_SOFTWARE 1
diff --git a/bsps/arm/lpc24xx/irq/irq.c b/bsps/arm/lpc24xx/irq/irq.c
index 7801c37843..2fed80efda 100644
--- a/bsps/arm/lpc24xx/irq/irq.c
+++ b/bsps/arm/lpc24xx/irq/irq.c
@@ -91,7 +91,7 @@ rtems_status_code bsp_interrupt_facility_initialize(void)
   /* Use IRQ category */
   VICIntSelect = 0;
 
-  for (i = BSP_INTERRUPT_VECTOR_MIN; i <= BSP_INTERRUPT_VECTOR_MAX; ++i) {
+  for (i = 0; i <= BSP_INTERRUPT_VECTOR_MAX; ++i) {
     /* Use the vector address register to store the vector number */
     addr [i] = i;
 
diff --git a/bsps/arm/lpc32xx/include/bsp/irq.h b/bsps/arm/lpc32xx/include/bsp/irq.h
index 1eef140faf..1b1ff8db78 100644
--- a/bsps/arm/lpc32xx/include/bsp/irq.h
+++ b/bsps/arm/lpc32xx/include/bsp/irq.h
@@ -139,7 +139,6 @@ extern "C" {
 #define LPC32XX_IRQ_PRIORITY_HIGHEST LPC32XX_IRQ_PRIORITY_VALUE_MIN
 #define LPC32XX_IRQ_PRIORITY_LOWEST LPC32XX_IRQ_PRIORITY_VALUE_MAX
 
-#define BSP_INTERRUPT_VECTOR_MIN LPC32XX_IRQ_SIC_1_IRQ
 #define BSP_INTERRUPT_VECTOR_MAX LPC32XX_IRQ_SYSCLK
 
 #define LPC32XX_IRQ_COUNT (BSP_INTERRUPT_VECTOR_MAX + 1)
diff --git a/bsps/arm/raspberrypi/include/bsp/irq.h b/bsps/arm/raspberrypi/include/bsp/irq.h
index 17e4472b34..87b6da2963 100644
--- a/bsps/arm/raspberrypi/include/bsp/irq.h
+++ b/bsps/arm/raspberrypi/include/bsp/irq.h
@@ -69,7 +69,6 @@
 #define BCM2835_IRQ_ID_ILL_ACCESS_1  70
 #define BCM2835_IRQ_ID_ILL_ACCESS_0  71
 
-#define BSP_INTERRUPT_VECTOR_MIN    (0)
 #define BSP_INTERRUPT_VECTOR_MAX    (BCM2835_INTC_TOTAL_IRQ - 1)
 #define BSP_INTERRUPT_VECTOR_INVALID (UINT32_MAX)
 
diff --git a/bsps/arm/realview-pbx-a9/include/bsp/irq.h b/bsps/arm/realview-pbx-a9/include/bsp/irq.h
index 270ecd33ae..1d7a6b68c8 100644
--- a/bsps/arm/realview-pbx-a9/include/bsp/irq.h
+++ b/bsps/arm/realview-pbx-a9/include/bsp/irq.h
@@ -90,7 +90,6 @@ extern "C" {
 #define RVPBXA9_IRQ_P_NINT_6 88
 #define RVPBXA9_IRQ_P_NINT_7 89
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
 #define BSP_INTERRUPT_VECTOR_MAX 89
 
 #ifdef __cplusplus
diff --git a/bsps/arm/rtl22xx/include/bsp/irq.h b/bsps/arm/rtl22xx/include/bsp/irq.h
index 31825ca56e..ee7f603cf9 100644
--- a/bsps/arm/rtl22xx/include/bsp/irq.h
+++ b/bsps/arm/rtl22xx/include/bsp/irq.h
@@ -53,8 +53,6 @@
 #define LPC22xx_INTERRUPT_CAN4RX 27	/* CAN2 Rx interrupt */
 #define BSP_MAX_INT              28
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
-
 #define BSP_INTERRUPT_VECTOR_MAX (BSP_MAX_INT - 1)
 
 #define UNDEFINED_INSTRUCTION_VECTOR_ADDR   (*(u_long *)0x00000004L)
diff --git a/bsps/arm/shared/irq/irq-armv7m.c b/bsps/arm/shared/irq/irq-armv7m.c
index 84ebeeb159..7c7c1ab114 100644
--- a/bsps/arm/shared/irq/irq-armv7m.c
+++ b/bsps/arm/shared/irq/irq-armv7m.c
@@ -67,7 +67,7 @@ rtems_status_code bsp_interrupt_facility_initialize(void)
 
   _ARMV7M_SCB->icsr = ARMV7M_SCB_ICSR_PENDSVCLR | ARMV7M_SCB_ICSR_PENDSTCLR;
 
-  for (i = BSP_INTERRUPT_VECTOR_MIN; i <= BSP_INTERRUPT_VECTOR_MAX; ++i) {
+  for (i = 0; i <= BSP_INTERRUPT_VECTOR_MAX; ++i) {
     _ARMV7M_NVIC_Clear_enable(i);
     _ARMV7M_NVIC_Clear_pending(i);
     _ARMV7M_NVIC_Set_priority(i, BSP_ARMV7M_IRQ_PRIORITY_DEFAULT);
diff --git a/bsps/arm/smdk2410/include/bsp/irq.h b/bsps/arm/smdk2410/include/bsp/irq.h
index 3f3fe92aea..ca846920ff 100644
--- a/bsps/arm/smdk2410/include/bsp/irq.h
+++ b/bsps/arm/smdk2410/include/bsp/irq.h
@@ -90,8 +90,6 @@
 #error "Undefined Samsung CPU model"
 #endif
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
-
 #define BSP_INTERRUPT_VECTOR_MAX (BSP_MAX_INT - 1)
 
 #endif /* _IRQ_H_ */
diff --git a/bsps/arm/stm32f4/include/bsp/irq.h b/bsps/arm/stm32f4/include/bsp/irq.h
index 1035a43519..3c047d3da7 100644
--- a/bsps/arm/stm32f4/include/bsp/irq.h
+++ b/bsps/arm/stm32f4/include/bsp/irq.h
@@ -133,7 +133,6 @@ extern "C" {
 #define STM32F4_IRQ_PRIORITY_HIGHEST STM32F4_IRQ_PRIORITY_VALUE_MIN
 #define STM32F4_IRQ_PRIORITY_LOWEST STM32F4_IRQ_PRIORITY_VALUE_MAX
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
 #define BSP_INTERRUPT_VECTOR_MAX 81
 
 /** @} */
diff --git a/bsps/arm/stm32h7/include/bsp/irq.h b/bsps/arm/stm32h7/include/bsp/irq.h
index b3ff7a9621..609c1a2ac2 100644
--- a/bsps/arm/stm32h7/include/bsp/irq.h
+++ b/bsps/arm/stm32h7/include/bsp/irq.h
@@ -36,8 +36,6 @@
 
 #endif /* ASM */
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
-
 #define BSP_INTERRUPT_VECTOR_MAX 239
 
 #endif /* LIBBSP_ARM_STM32H7_IRQ_H */
diff --git a/bsps/arm/tms570/include/bsp/irq.h b/bsps/arm/tms570/include/bsp/irq.h
index c37ebadbc4..2f412604bb 100644
--- a/bsps/arm/tms570/include/bsp/irq.h
+++ b/bsps/arm/tms570/include/bsp/irq.h
@@ -32,7 +32,6 @@
 #include <rtems/irq-extension.h>
 #endif
 
-#define BSP_INTERRUPT_VECTOR_MIN 0U
 #define TMS570_IRQ_ESM_HIGH 0
 #define TMS570_IRQ_RESERVED 1
 #define TMS570_IRQ_TIMER_0 2
diff --git a/bsps/arm/xen/include/bsp/irq.h b/bsps/arm/xen/include/bsp/irq.h
index a147a1c079..a29917d31b 100644
--- a/bsps/arm/xen/include/bsp/irq.h
+++ b/bsps/arm/xen/include/bsp/irq.h
@@ -40,7 +40,6 @@
 extern "C" {
 #endif /* __cplusplus */
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
 #define BSP_INTERRUPT_VECTOR_MAX 1023
 
 /* Xen guest interrupts */
diff --git a/bsps/arm/xilinx-zynq/include/bsp/irq.h b/bsps/arm/xilinx-zynq/include/bsp/irq.h
index e707337fa1..099edcd034 100644
--- a/bsps/arm/xilinx-zynq/include/bsp/irq.h
+++ b/bsps/arm/xilinx-zynq/include/bsp/irq.h
@@ -114,7 +114,6 @@ extern "C" {
 #define ZYNQ_IRQ_FPGA_15 91
 #define ZYNQ_IRQ_PARITY 92
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
 #define BSP_INTERRUPT_VECTOR_MAX 92
 
 /** @} */
diff --git a/bsps/arm/xilinx-zynqmp/include/bsp/irq.h b/bsps/arm/xilinx-zynqmp/include/bsp/irq.h
index 6496d2312e..7ad1a01d90 100644
--- a/bsps/arm/xilinx-zynqmp/include/bsp/irq.h
+++ b/bsps/arm/xilinx-zynqmp/include/bsp/irq.h
@@ -67,7 +67,6 @@ extern "C" {
 #define ZYNQMP_IRQ_UART_0 53
 #define ZYNQMP_IRQ_UART_1 54
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
 #define BSP_INTERRUPT_VECTOR_MAX 187
 
 /** @} */
diff --git a/bsps/i386/include/bsp/irq.h b/bsps/i386/include/bsp/irq.h
index 50eacc97f0..6e2f7cbb2c 100644
--- a/bsps/i386/include/bsp/irq.h
+++ b/bsps/i386/include/bsp/irq.h
@@ -79,7 +79,6 @@ extern "C" {
 #define BSP_RT_TIMER3		10
 #define BSP_SMP_IPI   		16 /* not part of the ATPIC */
 
-#define BSP_INTERRUPT_VECTOR_MIN BSP_IRQ_VECTOR_LOWEST_OFFSET
 #define BSP_INTERRUPT_VECTOR_MAX BSP_IRQ_VECTOR_MAX_OFFSET
 
 /** @brief
diff --git a/bsps/include/bsp/irq-default.h b/bsps/include/bsp/irq-default.h
index 4d7beb189b..c72782e993 100644
--- a/bsps/include/bsp/irq-default.h
+++ b/bsps/include/bsp/irq-default.h
@@ -45,11 +45,6 @@ extern "C" {
  */
 
 /**
- * @brief Default minimum interrupt vector.
- */
-#define BSP_INTERRUPT_VECTOR_MIN 0
-
-/**
  * @brief Default maximum interrupt vector.
  */
 #define BSP_INTERRUPT_VECTOR_MAX 0
diff --git a/bsps/include/bsp/irq-generic.h b/bsps/include/bsp/irq-generic.h
index 8dc6c6d576..a423f19192 100644
--- a/bsps/include/bsp/irq-generic.h
+++ b/bsps/include/bsp/irq-generic.h
@@ -58,20 +58,15 @@
 extern "C" {
 #endif /* __cplusplus */
 
-#if !defined(BSP_INTERRUPT_VECTOR_MIN) || !defined(BSP_INTERRUPT_VECTOR_MAX) || (BSP_INTERRUPT_VECTOR_MAX + 1) < BSP_INTERRUPT_VECTOR_MIN
-  #error "invalid BSP_INTERRUPT_VECTOR_MIN or BSP_INTERRUPT_VECTOR_MAX"
-#endif
-
-#if BSP_INTERRUPT_VECTOR_MIN != 0
-  #error "BSP_INTERRUPT_VECTOR_MIN shall be zero"
+#if !defined(BSP_INTERRUPT_VECTOR_MAX)
+  #error "BSP_INTERRUPT_VECTOR_MAX shall be defined"
 #endif
 
 #if defined(BSP_INTERRUPT_USE_INDEX_TABLE) && !defined(BSP_INTERRUPT_HANDLER_TABLE_SIZE)
   #error "if you define BSP_INTERRUPT_USE_INDEX_TABLE, you have to define BSP_INTERRUPT_HANDLER_TABLE_SIZE etc. as well"
 #endif
 
-#define BSP_INTERRUPT_VECTOR_NUMBER \
-  (BSP_INTERRUPT_VECTOR_MAX - BSP_INTERRUPT_VECTOR_MIN + 1)
+#define BSP_INTERRUPT_VECTOR_NUMBER (BSP_INTERRUPT_VECTOR_MAX + 1)
 
 #ifndef BSP_INTERRUPT_HANDLER_TABLE_SIZE
   #define BSP_INTERRUPT_HANDLER_TABLE_SIZE BSP_INTERRUPT_VECTOR_NUMBER
@@ -117,9 +112,9 @@ static inline rtems_vector_number bsp_interrupt_handler_index(
 )
 {
   #ifdef BSP_INTERRUPT_USE_INDEX_TABLE
-    return bsp_interrupt_handler_index_table [vector - BSP_INTERRUPT_VECTOR_MIN];
+    return bsp_interrupt_handler_index_table [vector];
   #else
-    return vector - BSP_INTERRUPT_VECTOR_MIN;
+    return vector;
   #endif
 }
 
@@ -131,7 +126,7 @@ static inline rtems_vector_number bsp_interrupt_handler_index(
  * @brief Generic BSP Interrupt Support
  *
  * The BSP interrupt support manages a sequence of interrupt vector numbers
- * ranging from @ref BSP_INTERRUPT_VECTOR_MIN to @ref BSP_INTERRUPT_VECTOR_MAX
+ * ranging from zero to @ref BSP_INTERRUPT_VECTOR_MAX
  * including the end points.  It provides methods to
  * @ref bsp_interrupt_handler_install() "install",
  * @ref bsp_interrupt_handler_remove() "remove" and
@@ -143,7 +138,7 @@ static inline rtems_vector_number bsp_interrupt_handler_index(
  *
  * You have to configure the BSP interrupt support in the <bsp/irq.h> file
  * for each BSP.  For a minimum configuration you have to provide
- * @ref BSP_INTERRUPT_VECTOR_MIN and @ref BSP_INTERRUPT_VECTOR_MAX.
+ * @ref BSP_INTERRUPT_VECTOR_MAX.
  *
  * For boards with small memory requirements you can define
  * @ref BSP_INTERRUPT_USE_INDEX_TABLE.  With an enabled index table the handler
@@ -178,8 +173,7 @@ static inline rtems_vector_number bsp_interrupt_handler_index(
    */
   static inline bool bsp_interrupt_is_valid_vector(rtems_vector_number vector)
   {
-    return (rtems_vector_number) BSP_INTERRUPT_VECTOR_MIN <= vector
-      && vector <= (rtems_vector_number) BSP_INTERRUPT_VECTOR_MAX;
+    return vector <= (rtems_vector_number) BSP_INTERRUPT_VECTOR_MAX;
   }
 #endif
 
diff --git a/bsps/lm32/include/bsp/irq.h b/bsps/lm32/include/bsp/irq.h
index b1ccd66339..19ba56e161 100644
--- a/bsps/lm32/include/bsp/irq.h
+++ b/bsps/lm32/include/bsp/irq.h
@@ -33,11 +33,6 @@
  */
 
 /**
- * @brief Minimum vector number.
- */
-#define BSP_INTERRUPT_VECTOR_MIN 0
-
-/**
  * @brief Maximum vector number.
  */
 #define BSP_INTERRUPT_VECTOR_MAX 31
diff --git a/bsps/m68k/genmcf548x/include/bsp/irq.h b/bsps/m68k/genmcf548x/include/bsp/irq.h
index d1e9bf21c1..6fd7da96cd 100644
--- a/bsps/m68k/genmcf548x/include/bsp/irq.h
+++ b/bsps/m68k/genmcf548x/include/bsp/irq.h
@@ -89,8 +89,6 @@
 #define MCF548X_IRQ_GPT1 61
 #define MCF548X_IRQ_GPT0 62
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
-
 #define BSP_INTERRUPT_VECTOR_MAX 63
 
 #define BSP_INTERRUPT_CUSTOM_VALID_VECTOR
diff --git a/bsps/mips/csb350/include/bsp/irq.h b/bsps/mips/csb350/include/bsp/irq.h
index 4f006fdd5f..b1d3f86aa7 100644
--- a/bsps/mips/csb350/include/bsp/irq.h
+++ b/bsps/mips/csb350/include/bsp/irq.h
@@ -36,7 +36,6 @@
  *
  */
 /* MIPS_INTERRUPT_BASE should be 32 (0x20) */
-#define BSP_INTERRUPT_VECTOR_MIN      0
 #define AU1X00_IRQ_SW0                (MIPS_INTERRUPT_BASE + 0)
 #define AU1X00_IRQ_SW1                (MIPS_INTERRUPT_BASE + 1)
 #define AU1X00_IRQ_IC0_REQ0           (MIPS_INTERRUPT_BASE + 2)
diff --git a/bsps/mips/hurricane/include/bsp/irq.h b/bsps/mips/hurricane/include/bsp/irq.h
index 3347ecb2a6..4264a0e84d 100644
--- a/bsps/mips/hurricane/include/bsp/irq.h
+++ b/bsps/mips/hurricane/include/bsp/irq.h
@@ -31,7 +31,6 @@
  * @{
  */
 
-#define BSP_INTERRUPT_VECTOR_MIN    0
 #define RM5231_MAXIMUM_VECTORS      (MIPS_INTERRUPT_BASE+8)
 #define BSP_INTERRUPT_VECTOR_MAX    RM5231_MAXIMUM_VECTORS
 
diff --git a/bsps/mips/jmr3904/include/bsp/irq.h b/bsps/mips/jmr3904/include/bsp/irq.h
index cdb50e244e..a40f26dc7a 100644
--- a/bsps/mips/jmr3904/include/bsp/irq.h
+++ b/bsps/mips/jmr3904/include/bsp/irq.h
@@ -31,8 +31,6 @@
  * @{
  */
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
-
 /*
  *  Interrupt Vector Numbers
  *
diff --git a/bsps/mips/malta/include/bsp/irq.h b/bsps/mips/malta/include/bsp/irq.h
index 3ca6f964a9..25cb186873 100644
--- a/bsps/mips/malta/include/bsp/irq.h
+++ b/bsps/mips/malta/include/bsp/irq.h
@@ -31,8 +31,6 @@
  * @{
  */
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
-
 /*
  *  Interrupt Vector Numbers
  *
diff --git a/bsps/mips/rbtx4925/include/bsp/irq.h b/bsps/mips/rbtx4925/include/bsp/irq.h
index d3987b2d39..db28e65989 100644
--- a/bsps/mips/rbtx4925/include/bsp/irq.h
+++ b/bsps/mips/rbtx4925/include/bsp/irq.h
@@ -35,7 +35,6 @@
  *  Interrupt Vector Numbers
  *
  */
-#define BSP_INTERRUPT_VECTOR_MIN   0
 #define TX4925_IRQ_RSV1        MIPS_INTERRUPT_BASE+0
 #define TX4925_IRQ_WTE         MIPS_INTERRUPT_BASE+1
 #define TX4925_IRQ_INT0        MIPS_INTERRUPT_BASE+2
diff --git a/bsps/mips/rbtx4938/include/bsp/irq.h b/bsps/mips/rbtx4938/include/bsp/irq.h
index bb18dcf86d..03ecacda73 100644
--- a/bsps/mips/rbtx4938/include/bsp/irq.h
+++ b/bsps/mips/rbtx4938/include/bsp/irq.h
@@ -35,7 +35,6 @@
  *  Interrupt Vector Numbers
  *
  */
-#define BSP_INTERRUPT_VECTOR_MIN   0
 #define TX4938_IRQ_ECC         MIPS_INTERRUPT_BASE+0
 #define TX4938_IRQ_WTE         MIPS_INTERRUPT_BASE+1
 #define TX4938_IRQ_INT0        MIPS_INTERRUPT_BASE+2
diff --git a/bsps/powerpc/gen5200/include/bsp/irq.h b/bsps/powerpc/gen5200/include/bsp/irq.h
index 5a0b3bd29e..63d39cb3df 100644
--- a/bsps/powerpc/gen5200/include/bsp/irq.h
+++ b/bsps/powerpc/gen5200/include/bsp/irq.h
@@ -203,8 +203,6 @@ typedef enum {
 #define BSP_CRIT_IRQ_PRIO_LEVELS	  		  4
 #define BSP_PERIODIC_TIMER                    BSP_SIU_IRQ_TMR6
 
-#define BSP_INTERRUPT_VECTOR_MIN BSP_LOWEST_OFFSET
-
 #define BSP_INTERRUPT_VECTOR_MAX BSP_MAX_OFFSET
 
 #endif
diff --git a/bsps/powerpc/gen83xx/include/bsp/irq.h b/bsps/powerpc/gen83xx/include/bsp/irq.h
index dc084ed2a2..42bd2980fe 100644
--- a/bsps/powerpc/gen83xx/include/bsp/irq.h
+++ b/bsps/powerpc/gen83xx/include/bsp/irq.h
@@ -162,8 +162,6 @@ extern "C" {
     BSP_IPIC_IRQ_LAST     = BSP_IPIC_IRQ_MAX_OFFSET,
   } rtems_irq_symbolic_name;
 
-#define BSP_INTERRUPT_VECTOR_MIN BSP_LOWEST_OFFSET
-
 #define BSP_INTERRUPT_VECTOR_MAX BSP_MAX_OFFSET
 
 rtems_status_code mpc83xx_ipic_set_mask( rtems_vector_number vector, rtems_vector_number mask_vector, bool mask);
diff --git a/bsps/powerpc/motorola_powerpc/include/bsp/irq.h b/bsps/powerpc/motorola_powerpc/include/bsp/irq.h
index cbb6ff69cf..3fcdf916c2 100644
--- a/bsps/powerpc/motorola_powerpc/include/bsp/irq.h
+++ b/bsps/powerpc/motorola_powerpc/include/bsp/irq.h
@@ -115,7 +115,6 @@ extern "C" {
 #define BSP_IRQ_NUMBER			(BSP_MISC_IRQ_MAX_OFFSET + 1)
 #define BSP_LOWEST_OFFSET		(BSP_ISA_IRQ_LOWEST_OFFSET)
 #define BSP_MAX_OFFSET			(BSP_MISC_IRQ_MAX_OFFSET)
-#define BSP_INTERRUPT_VECTOR_MIN	(BSP_LOWEST_OFFSET)
 #define BSP_INTERRUPT_VECTOR_MAX	(BSP_MAX_OFFSET)
 /*
  * Some ISA IRQ symbolic name definition
diff --git a/bsps/powerpc/mpc55xxevb/include/bsp/irq.h b/bsps/powerpc/mpc55xxevb/include/bsp/irq.h
index 491c120ee8..e0b3c3eaf8 100644
--- a/bsps/powerpc/mpc55xxevb/include/bsp/irq.h
+++ b/bsps/powerpc/mpc55xxevb/include/bsp/irq.h
@@ -477,8 +477,6 @@ rtems_status_code mpc55xx_intc_clear_software_irq(rtems_vector_number vector);
  * @{
  */
 
-#define BSP_INTERRUPT_VECTOR_MIN MPC55XX_IRQ_MIN
-
 #define BSP_INTERRUPT_VECTOR_MAX MPC55XX_IRQ_MAX
 
 #ifdef BSP_INTERRUPT_HANDLER_TABLE_SIZE
diff --git a/bsps/powerpc/mpc8260ads/include/bsp/irq.h b/bsps/powerpc/mpc8260ads/include/bsp/irq.h
index 1dd18611fc..12890d998e 100644
--- a/bsps/powerpc/mpc8260ads/include/bsp/irq.h
+++ b/bsps/powerpc/mpc8260ads/include/bsp/irq.h
@@ -141,8 +141,6 @@ extern volatile unsigned int ppc_cached_irq_mask;
 #define BSP_DECREMENTER			(BSP_PROCESSOR_IRQ_LOWEST_OFFSET)
 #define BSP_PERIODIC_TIMER		(BSP_DECREMENTER)
 
-#define BSP_INTERRUPT_VECTOR_MIN BSP_LOWEST_OFFSET
-
 #define BSP_INTERRUPT_VECTOR_MAX BSP_MAX_OFFSET
 
 #define CPM_INTERRUPT
diff --git a/bsps/powerpc/psim/include/bsp/irq.h b/bsps/powerpc/psim/include/bsp/irq.h
index 376c95a627..248cfb5579 100644
--- a/bsps/powerpc/psim/include/bsp/irq.h
+++ b/bsps/powerpc/psim/include/bsp/irq.h
@@ -57,7 +57,6 @@
 
 #include <bsp/irq_supp.h>
 
-#define BSP_INTERRUPT_VECTOR_MIN BSP_LOWEST_OFFSET
 #define BSP_INTERRUPT_VECTOR_MAX BSP_MAX_OFFSET
 
 #ifdef __cplusplus
diff --git a/bsps/powerpc/qemuppc/include/bsp/irq.h b/bsps/powerpc/qemuppc/include/bsp/irq.h
index 7124dbcaf8..1fd8b53a11 100644
--- a/bsps/powerpc/qemuppc/include/bsp/irq.h
+++ b/bsps/powerpc/qemuppc/include/bsp/irq.h
@@ -56,8 +56,6 @@
    */
 #define BSP_DECREMENTER			(BSP_PROCESSOR_IRQ_LOWEST_OFFSET)
 
-#define BSP_INTERRUPT_VECTOR_MIN BSP_LOWEST_OFFSET
-
 #define BSP_INTERRUPT_VECTOR_MAX BSP_MAX_OFFSET
 
 /* #include <bsp/irq_supp.h> */
diff --git a/bsps/powerpc/qoriq/include/bsp/irq.h b/bsps/powerpc/qoriq/include/bsp/irq.h
index 13589051d5..09a4279399 100644
--- a/bsps/powerpc/qoriq/include/bsp/irq.h
+++ b/bsps/powerpc/qoriq/include/bsp/irq.h
@@ -366,8 +366,6 @@ extern "C" {
  * @{
  */
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
-
 #define QORIQ_PIC_PRIORITY_LOWEST 1
 #define QORIQ_PIC_PRIORITY_HIGHEST 15
 #define QORIQ_PIC_PRIORITY_DISABLED 0
diff --git a/bsps/powerpc/qoriq/irq/irq.c b/bsps/powerpc/qoriq/irq/irq.c
index 0fa69934dd..7f9680ea1c 100644
--- a/bsps/powerpc/qoriq/irq/irq.c
+++ b/bsps/powerpc/qoriq/irq/irq.c
@@ -128,7 +128,7 @@ rtems_status_code bsp_interrupt_facility_initialize(void)
 {
 	unsigned int i;
 
-	for (i = BSP_INTERRUPT_VECTOR_MIN; i <= BSP_INTERRUPT_VECTOR_MAX; ++i) {
+	for (i = 0; i <= BSP_INTERRUPT_VECTOR_MAX; ++i) {
 		uint32_t config;
 		unsigned int priority;
 		uint32_t destination;
@@ -354,7 +354,7 @@ rtems_status_code bsp_interrupt_facility_initialize(void)
 
 		pic_reset();
 
-		for (i = BSP_INTERRUPT_VECTOR_MIN; i <= BSP_INTERRUPT_VECTOR_MAX; ++i) {
+		for (i = 0; i <= BSP_INTERRUPT_VECTOR_MAX; ++i) {
 			volatile qoriq_pic_src_cfg *src_cfg = get_src_cfg(i);
 
 			src_cfg->vpr = VPR_MSK | VPR_P
@@ -375,7 +375,7 @@ rtems_status_code bsp_interrupt_facility_initialize(void)
 
 	qoriq.pic.ctpr = 0;
 
-	for (i = BSP_INTERRUPT_VECTOR_MIN; i <= BSP_INTERRUPT_VECTOR_MAX; ++i) {
+	for (i = 0; i <= BSP_INTERRUPT_VECTOR_MAX; ++i) {
 		qoriq.pic.iack;
 		qoriq.pic.eoi = 0;
 		qoriq.pic.whoami;
diff --git a/bsps/powerpc/t32mppc/include/bsp/irq.h b/bsps/powerpc/t32mppc/include/bsp/irq.h
index 0053aa5ac1..7ac3b1f676 100644
--- a/bsps/powerpc/t32mppc/include/bsp/irq.h
+++ b/bsps/powerpc/t32mppc/include/bsp/irq.h
@@ -24,7 +24,6 @@
 extern "C" {
 #endif /* __cplusplus */
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
 #define BSP_INTERRUPT_VECTOR_MAX 0
 
 RTEMS_INLINE_ROUTINE void bsp_interrupt_set_affinity(
diff --git a/bsps/powerpc/tqm8xx/include/bsp/irq.h b/bsps/powerpc/tqm8xx/include/bsp/irq.h
index 2d66829037..3a5010d602 100644
--- a/bsps/powerpc/tqm8xx/include/bsp/irq.h
+++ b/bsps/powerpc/tqm8xx/include/bsp/irq.h
@@ -146,8 +146,6 @@ extern "C" {
 #define BSP_PERIODIC_TIMER	BSP_SIU_INT_IRQ_6
 #define BSP_FAST_ETHERNET_CTRL	BSP_SIU_INT_IRQ_3
 
-#define BSP_INTERRUPT_VECTOR_MIN BSP_LOWEST_OFFSET
-
 #define BSP_INTERRUPT_VECTOR_MAX BSP_MAX_OFFSET
 
 extern int BSP_irq_enabled_at_cpm(const rtems_irq_number irqLine);
diff --git a/bsps/powerpc/virtex/include/bsp/irq.h b/bsps/powerpc/virtex/include/bsp/irq.h
index 1ce5b68b98..02fe972404 100644
--- a/bsps/powerpc/virtex/include/bsp/irq.h
+++ b/bsps/powerpc/virtex/include/bsp/irq.h
@@ -61,7 +61,6 @@
           (BSP_IS_PROCESSOR_IRQ(irqnum)	\
            || BSP_IS_OPBINTC_IRQ(irqnum))
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
 #define BSP_INTERRUPT_VECTOR_MAX BSP_PROCESSOR_IRQ_MAX_OFFSET
 
 #ifndef ASM
diff --git a/bsps/riscv/griscv/include/bsp/irq.h b/bsps/riscv/griscv/include/bsp/irq.h
index cd6f1599ad..2100e6f7d3 100644
--- a/bsps/riscv/griscv/include/bsp/irq.h
+++ b/bsps/riscv/griscv/include/bsp/irq.h
@@ -54,8 +54,6 @@
 
 #define RISCV_INTERRUPT_VECTOR_EXTERNAL_TO_INDEX(x) ((x) - 2)
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
-
 #define BSP_INTERRUPT_VECTOR_MAX RISCV_INTERRUPT_VECTOR_EXTERNAL(RISCV_MAXIMUM_EXTERNAL_INTERRUPTS - 1)
 
 void bsp_interrupt_set_affinity(
diff --git a/bsps/riscv/riscv/include/bsp/irq.h b/bsps/riscv/riscv/include/bsp/irq.h
index cf88443740..a902570155 100644
--- a/bsps/riscv/riscv/include/bsp/irq.h
+++ b/bsps/riscv/riscv/include/bsp/irq.h
@@ -54,8 +54,6 @@
 
 #define RISCV_INTERRUPT_VECTOR_EXTERNAL_TO_INDEX(x) ((x) - 2)
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
-
 #define BSP_INTERRUPT_VECTOR_MAX RISCV_INTERRUPT_VECTOR_EXTERNAL(RISCV_MAXIMUM_EXTERNAL_INTERRUPTS - 1)
 
 void bsp_interrupt_set_affinity(
diff --git a/bsps/shared/irq/irq-info.c b/bsps/shared/irq/irq-info.c
index b1df3b2915..697976e525 100644
--- a/bsps/shared/irq/irq-info.c
+++ b/bsps/shared/irq/irq-info.c
@@ -87,7 +87,7 @@ void bsp_interrupt_report_with_plugin(
     "--------+----------------------------------+---------+------------+------------\n"
   );
 
-  for (v = BSP_INTERRUPT_VECTOR_MIN; v <= BSP_INTERRUPT_VECTOR_MAX; ++v) {
+  for (v = 0; v <= BSP_INTERRUPT_VECTOR_MAX; ++v) {
     e.vector = v;
     rtems_interrupt_handler_iterate(
       v,
diff --git a/bsps/sparc/erc32/include/bsp/irq.h b/bsps/sparc/erc32/include/bsp/irq.h
index 7789c9f57d..ad3a65fcc1 100644
--- a/bsps/sparc/erc32/include/bsp/irq.h
+++ b/bsps/sparc/erc32/include/bsp/irq.h
@@ -21,7 +21,6 @@
 #include <rtems/score/processormask.h>
 
 #define BSP_INTERRUPT_VECTOR_MAX_STD 15 /* Standard IRQ controller */
-#define BSP_INTERRUPT_VECTOR_MIN 0
 #define BSP_INTERRUPT_VECTOR_MAX BSP_INTERRUPT_VECTOR_MAX_STD
 
 /* No extra check is needed */
diff --git a/bsps/sparc/leon2/include/bsp/irq.h b/bsps/sparc/leon2/include/bsp/irq.h
index 169f3cb598..287530e275 100644
--- a/bsps/sparc/leon2/include/bsp/irq.h
+++ b/bsps/sparc/leon2/include/bsp/irq.h
@@ -19,7 +19,6 @@
 #define LIBBSP_LEON2_IRQ_CONFIG_H
 
 #define BSP_INTERRUPT_VECTOR_MAX_STD 15 /* Standard IRQ controller */
-#define BSP_INTERRUPT_VECTOR_MIN 0
 #define BSP_INTERRUPT_VECTOR_MAX BSP_INTERRUPT_VECTOR_MAX_STD
 
 /* No extra check is needed */
diff --git a/bsps/sparc/leon3/include/bsp/irq.h b/bsps/sparc/leon3/include/bsp/irq.h
index 1c8e1e4516..77f9fc2528 100644
--- a/bsps/sparc/leon3/include/bsp/irq.h
+++ b/bsps/sparc/leon3/include/bsp/irq.h
@@ -24,7 +24,6 @@
 #define BSP_INTERRUPT_VECTOR_MAX_STD 15 /* Standard IRQ controller */
 #define BSP_INTERRUPT_VECTOR_MAX_EXT 31 /* Extended IRQ controller */
 
-#define BSP_INTERRUPT_VECTOR_MIN 0
 #define BSP_INTERRUPT_VECTOR_MAX BSP_INTERRUPT_VECTOR_MAX_EXT
 
 /* The check is different depending on IRQ controller, runtime detected */
diff --git a/bsps/x86_64/include/bsp/irq.h b/bsps/x86_64/include/bsp/irq.h
index f8be997e8f..312c831962 100644
--- a/bsps/x86_64/include/bsp/irq.h
+++ b/bsps/x86_64/include/bsp/irq.h
@@ -38,7 +38,6 @@
 #include <rtems/irq.h>
 #include <rtems/irq-extension.h>
 
-#define BSP_INTERRUPT_VECTOR_MIN  0x0
 #define BSP_IRQ_VECTOR_NUMBER     34
 #define BSP_INTERRUPT_VECTOR_MAX  BSP_IRQ_VECTOR_NUMBER
 
diff --git a/testsuites/smptests/smpcapture02/init.c b/testsuites/smptests/smpcapture02/init.c
index fa801218e6..9cf1f0b006 100644
--- a/testsuites/smptests/smpcapture02/init.c
+++ b/testsuites/smptests/smpcapture02/init.c
@@ -316,7 +316,7 @@ static void Init(rtems_task_argument arg)
   test(cpu_count);
 
   /* Try to find the clock interrupt handler */
-  for ( vec=BSP_INTERRUPT_VECTOR_MIN; vec<BSP_INTERRUPT_VECTOR_MAX; vec++ ) {
+  for ( vec = 0; vec < BSP_INTERRUPT_VECTOR_MAX; vec++ ) {
     rtems_interrupt_handler_iterate(vec, locate_clock_interrupt_handler, &cih);
     if ( cih.found )
       break;