diff options
Diffstat (limited to '')
| -rw-r--r-- | cpukit/score/cpu/sparc/rtems/score/cpu.h | 100 |
1 files changed, 36 insertions, 64 deletions
diff --git a/cpukit/score/cpu/sparc/rtems/score/cpu.h b/cpukit/score/cpu/sparc/rtems/score/cpu.h index ad0cbd2928..9706e45668 100644 --- a/cpukit/score/cpu/sparc/rtems/score/cpu.h +++ b/cpukit/score/cpu/sparc/rtems/score/cpu.h @@ -401,20 +401,17 @@ typedef struct { /** * @brief SPARC basic context. * - * This structure defines the basic integer and processor state context - * for the SPARC architecture. + * This structure defines the non-volatile integer and processor state context + * for the SPARC architecture according to "SYSTEM V APPLICATION BINARY + * INTERFACE - SPARC Processor Supplement", Third Edition. */ typedef struct { /** - * Using a double g0_g1 will put everything in this structure on a + * Using a double g2_g3 will put everything in this structure on a * double word boundary which allows us to use double word loads * and stores safely in the context switch. */ - double g0_g1; - /** This will contain the contents of the g2 register. */ - uint32_t g2; - /** This will contain the contents of the g3 register. */ - uint32_t g3; + double g2_g3; /** This will contain the contents of the g4 register. */ uint32_t g4; /** This will contain the contents of the g5 register. */ @@ -458,21 +455,12 @@ typedef struct { /** This will contain the contents of the i7 register. */ uint32_t i7; - /** This will contain the contents of the o0 register. */ - uint32_t o0; - /** This will contain the contents of the o1 register. */ - uint32_t o1; - /** This will contain the contents of the o2 register. */ - uint32_t o2; - /** This will contain the contents of the o3 register. */ - uint32_t o3; - /** This will contain the contents of the o4 register. */ - uint32_t o4; - /** This will contain the contents of the o5 register. */ - uint32_t o5; /** This will contain the contents of the o6 (e.g. frame pointer) register. */ uint32_t o6_sp; - /** This will contain the contents of the o7 register. */ + /** + * This will contain the contents of the o7 (e.g. address of CALL + * instruction) register. + */ uint32_t o7; /** This will contain the contents of the processor status register. */ @@ -500,80 +488,64 @@ typedef struct { */ /** This macro defines an offset into the context for use in assembly. */ -#define G0_OFFSET 0x00 -/** This macro defines an offset into the context for use in assembly. */ -#define G1_OFFSET 0x04 +#define G2_OFFSET 0x00 /** This macro defines an offset into the context for use in assembly. */ -#define G2_OFFSET 0x08 +#define G3_OFFSET 0x04 /** This macro defines an offset into the context for use in assembly. */ -#define G3_OFFSET 0x0C +#define G4_OFFSET 0x08 /** This macro defines an offset into the context for use in assembly. */ -#define G4_OFFSET 0x10 +#define G5_OFFSET 0x0C /** This macro defines an offset into the context for use in assembly. */ -#define G5_OFFSET 0x14 +#define G6_OFFSET 0x10 /** This macro defines an offset into the context for use in assembly. */ -#define G6_OFFSET 0x18 -/** This macro defines an offset into the context for use in assembly. */ -#define G7_OFFSET 0x1C +#define G7_OFFSET 0x14 /** This macro defines an offset into the context for use in assembly. */ -#define L0_OFFSET 0x20 +#define L0_OFFSET 0x18 /** This macro defines an offset into the context for use in assembly. */ -#define L1_OFFSET 0x24 +#define L1_OFFSET 0x1C /** This macro defines an offset into the context for use in assembly. */ -#define L2_OFFSET 0x28 +#define L2_OFFSET 0x20 /** This macro defines an offset into the context for use in assembly. */ -#define L3_OFFSET 0x2C +#define L3_OFFSET 0x24 /** This macro defines an offset into the context for use in assembly. */ -#define L4_OFFSET 0x30 +#define L4_OFFSET 0x28 /** This macro defines an offset into the context for use in assembly. */ -#define L5_OFFSET 0x34 +#define L5_OFFSET 0x2C /** This macro defines an offset into the context for use in assembly. */ -#define L6_OFFSET 0x38 +#define L6_OFFSET 0x30 /** This macro defines an offset into the context for use in assembly. */ -#define L7_OFFSET 0x3C +#define L7_OFFSET 0x34 /** This macro defines an offset into the context for use in assembly. */ -#define I0_OFFSET 0x40 +#define I0_OFFSET 0x38 /** This macro defines an offset into the context for use in assembly. */ -#define I1_OFFSET 0x44 +#define I1_OFFSET 0x3C /** This macro defines an offset into the context for use in assembly. */ -#define I2_OFFSET 0x48 +#define I2_OFFSET 0x40 /** This macro defines an offset into the context for use in assembly. */ -#define I3_OFFSET 0x4C +#define I3_OFFSET 0x44 /** This macro defines an offset into the context for use in assembly. */ -#define I4_OFFSET 0x50 +#define I4_OFFSET 0x48 /** This macro defines an offset into the context for use in assembly. */ -#define I5_OFFSET 0x54 +#define I5_OFFSET 0x4C /** This macro defines an offset into the context for use in assembly. */ -#define I6_FP_OFFSET 0x58 +#define I6_FP_OFFSET 0x50 /** This macro defines an offset into the context for use in assembly. */ -#define I7_OFFSET 0x5C +#define I7_OFFSET 0x54 /** This macro defines an offset into the context for use in assembly. */ -#define O0_OFFSET 0x60 -/** This macro defines an offset into the context for use in assembly. */ -#define O1_OFFSET 0x64 -/** This macro defines an offset into the context for use in assembly. */ -#define O2_OFFSET 0x68 -/** This macro defines an offset into the context for use in assembly. */ -#define O3_OFFSET 0x6C -/** This macro defines an offset into the context for use in assembly. */ -#define O4_OFFSET 0x70 -/** This macro defines an offset into the context for use in assembly. */ -#define O5_OFFSET 0x74 -/** This macro defines an offset into the context for use in assembly. */ -#define O6_SP_OFFSET 0x78 +#define O6_SP_OFFSET 0x58 /** This macro defines an offset into the context for use in assembly. */ -#define O7_OFFSET 0x7C +#define O7_OFFSET 0x5C /** This macro defines an offset into the context for use in assembly. */ -#define PSR_OFFSET 0x80 +#define PSR_OFFSET 0x60 /** This macro defines an offset into the context for use in assembly. */ -#define ISR_DISPATCH_DISABLE_STACK_OFFSET 0x84 +#define ISR_DISPATCH_DISABLE_STACK_OFFSET 0x64 /** This defines the size of the context area for use in assembly. */ -#define CONTEXT_CONTROL_SIZE 0x88 +#define CONTEXT_CONTROL_SIZE 0x68 #ifndef ASM /** |