xPSR_Type Union Reference

Union type to access the Special-Purpose Program Status Registers (xPSR). More...

#include <arch/cpu/arm/cortex-m/CMSIS/core_cm0.h>

Data Fields
struct {
uint32_t   ISR:9
uint32_t   _reserved0:15
uint32_t   T:1
uint32_t   _reserved1:3
uint32_t   V:1
uint32_t   C:1
uint32_t   Z:1
uint32_t   N:1
}	b
uint32_t	w
struct {
uint32_t   ISR:9
uint32_t   _reserved0:15
uint32_t   T:1
uint32_t   _reserved1:3
uint32_t   V:1
uint32_t   C:1
uint32_t   Z:1
uint32_t   N:1
}	b
struct {
uint32_t   ISR:9
uint32_t   _reserved0:15
uint32_t   T:1
uint32_t   IT:2
uint32_t   Q:1
uint32_t   V:1
uint32_t   C:1
uint32_t   Z:1
uint32_t   N:1
}	b
struct {
uint32_t   ISR:9
uint32_t   _reserved0:7
uint32_t   GE:4
uint32_t   _reserved1:4
uint32_t   T:1
uint32_t   IT:2
uint32_t   Q:1
uint32_t   V:1
uint32_t   C:1
uint32_t   Z:1
uint32_t   N:1
}	b
struct {
uint32_t   ISR:9
uint32_t   _reserved0:7
uint32_t   GE:4
uint32_t   _reserved1:4
uint32_t   T:1
uint32_t   IT:2
uint32_t   Q:1
uint32_t   V:1
uint32_t   C:1
uint32_t   Z:1
uint32_t   N:1
}	b
struct {
uint32_t   ISR:9
uint32_t   _reserved0:15
uint32_t   T:1
uint32_t   _reserved1:3
uint32_t   V:1
uint32_t   C:1
uint32_t   Z:1
uint32_t   N:1
}	b
struct {
uint32_t   ISR:9
uint32_t   _reserved0:15
uint32_t   T:1
uint32_t   IT:2
uint32_t   Q:1
uint32_t   V:1
uint32_t   C:1
uint32_t   Z:1
uint32_t   N:1
}	b

Detailed Description

Union type to access the Special-Purpose Program Status Registers (xPSR).

Definition at line 295 of file core_cm0.h.

Field Documentation

_reserved0

uint32_t xPSR_Type::_reserved0

bit: 9..23 Reserved

bit: 9..15 Reserved

Definition at line 300 of file core_cm0.h.

_reserved1

uint32_t xPSR_Type::_reserved1

bit: 25..27 Reserved

bit: 20..23 Reserved

Definition at line 302 of file core_cm0.h.

b [1/7]

struct { ... } xPSR_Type::b

Structure used for bit access

b [2/7]

struct { ... } xPSR_Type::b

Structure used for bit access

b [3/7]

struct { ... } xPSR_Type::b

Structure used for bit access

b [4/7]

struct { ... } xPSR_Type::b

Structure used for bit access

b [5/7]

struct { ... } xPSR_Type::b

Structure used for bit access

b [6/7]

struct { ... } xPSR_Type::b

Structure used for bit access

b [7/7]

struct { ... } xPSR_Type::b

Structure used for bit access

C

uint32_t xPSR_Type::C

bit: 29 Carry condition code flag

Definition at line 304 of file core_cm0.h.

GE

uint32_t xPSR_Type::GE

bit: 16..19 Greater than or Equal flags

Definition at line 371 of file core_cm4.h.

ISR

uint32_t xPSR_Type::ISR

bit: 0.. 8 Exception number

Definition at line 299 of file core_cm0.h.

IT

uint32_t xPSR_Type::IT

bit: 25..26 saved IT state (read 0)

Definition at line 313 of file core_cm3.h.

N

uint32_t xPSR_Type::N

bit: 31 Negative condition code flag

Definition at line 306 of file core_cm0.h.

Q

uint32_t xPSR_Type::Q

bit: 27 Saturation condition flag

Definition at line 314 of file core_cm3.h.

T

uint32_t xPSR_Type::T

bit: 24 Thumb bit (read 0)

Definition at line 301 of file core_cm0.h.

V

uint32_t xPSR_Type::V

bit: 28 Overflow condition code flag

Definition at line 303 of file core_cm0.h.

w

uint32_t xPSR_Type::w

Type used for word access

Definition at line 308 of file core_cm0.h.

Z

uint32_t xPSR_Type::Z

bit: 30 Zero condition code flag

Definition at line 305 of file core_cm0.h.