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Merging pull request #37 Adds hard-float support to stm32f4, with a nice mandelbrot example

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Merge remote-tracking branch 'schodet/hard-float'
This commit is contained in:
Piotr Esden-Tempski
2012-10-05 13:03:58 -07:00
parent 4efa64c278 aac5909ff1
commit cb60e37608
7 changed files with 243 additions and 3 deletions
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69
include/libopencm3/stm32/f4/scb.h
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@@ -72,6 +72,63 @@
/* AFSR: Auxiliary Fault Status Register */
#define SCB_AFSR MMIO32(SCB_BASE + 0x3C)
/* ID_PFR0: Processor Feature Register 0 */
#define SCB_ID_PFR0 MMIO32(SCB_BASE + 0x40)
/* ID_PFR1: Processor Feature Register 1 */
#define SCB_ID_PFR1 MMIO32(SCB_BASE + 0x44)
/* ID_DFR0: Debug Features Register 0 */
#define SCB_ID_DFR0 MMIO32(SCB_BASE + 0x48)
/* ID_AFR0: Auxiliary Features Register 0 */
#define SCB_ID_AFR0 MMIO32(SCB_BASE + 0x4C)
/* ID_MMFR0: Memory Model Feature Register 0 */
#define SCB_ID_MMFR0 MMIO32(SCB_BASE + 0x50)
/* ID_MMFR1: Memory Model Feature Register 1 */
#define SCB_ID_MMFR1 MMIO32(SCB_BASE + 0x54)
/* ID_MMFR2: Memory Model Feature Register 2 */
#define SCB_ID_MMFR2 MMIO32(SCB_BASE + 0x58)
/* ID_MMFR3: Memory Model Feature Register 3 */
#define SCB_ID_MMFR3 MMIO32(SCB_BASE + 0x5C)
/* ID_ISAR0: Instruction Set Attributes Register 0 */
#define SCB_ID_ISAR0 MMIO32(SCB_BASE + 0x60)
/* ID_ISAR1: Instruction Set Attributes Register 1 */
#define SCB_ID_ISAR1 MMIO32(SCB_BASE + 0x64)
/* ID_ISAR2: Instruction Set Attributes Register 2 */
#define SCB_ID_ISAR2 MMIO32(SCB_BASE + 0x68)
/* ID_ISAR3: Instruction Set Attributes Register 3 */
#define SCB_ID_ISAR3 MMIO32(SCB_BASE + 0x6C)
/* ID_ISAR4: Instruction Set Attributes Register 4 */
#define SCB_ID_ISAR4 MMIO32(SCB_BASE + 0x70)
/* CPACR: Coprocessor Access Control Register */
#define SCB_CPACR MMIO32(SCB_BASE + 0x88)
/* FPCCR: Floating-Point Context Control Register */
#define SCB_FPCCR MMIO32(SCB_BASE + 0x234)
/* FPCAR: Floating-Point Context Address Register */
#define SCB_FPCAR MMIO32(SCB_BASE + 0x238)
/* FPDSCR: Floating-Point Default Status Control Register */
#define SCB_FPDSCR MMIO32(SCB_BASE + 0x23C)
/* MVFR0: Media and Floating-Point Feature Register 0 */
#define SCB_MVFR0 MMIO32(SCB_BASE + 0x240)
/* MVFR1: Media and Floating-Point Feature Register 1 */
#define SCB_MVFR1 MMIO32(SCB_BASE + 0x244)
/* --- SCB values ---------------------------------------------------------- */
/* --- SCB_CPUID values ---------------------------------------------------- */
@@ -292,6 +349,18 @@
/* BFAR [31:0]: Bus fault address */
/* --- SCB_CPACR values ---------------------------------------------------- */
/* CPACR CPn: Access privileges values */
#define SCB_CPACR_NONE 0 /* Access denied */
#define SCB_CPACR_PRIV 1 /* Privileged access only */
#define SCB_CPACR_FULL 3 /* Full access */
/* CPACR [20:21]: Access privileges for coprocessor 10 */
#define SCB_CPACR_CP10 (1 << 20)
/* CPACR [22:23]: Access privileges for coprocessor 11 */
#define SCB_CPACR_CP11 (1 << 22)
/* --- SCB functions ------------------------------------------------------- */
BEGIN_DECLS