cm4.h
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#ifndef REGS_CM4_H
#define REGS_CM4_H
#include "register.h"
class CM4 {
public:
// Vector table offset register
// http://www.st.com/content/ccc/resource/technical/document/programming_manual/6c/3a/cb/e7/e4/ea/44/9b/DM00046982.pdf/files/DM00046982.pdf/jcr:content/translations/en.DM00046982.pdf
class VTOR : Register32 {
public:
void setVTOR(void *address) volatile { setBitRange(29, 9, (uint32_t)address); }
};
// Coprocessor Access Control Register
// http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0553a/BEHBJHIG.html
class CPACR : public Register32 {
public:
enum class Access {
Denied = 0,
PrivilegedOnly = 1,
Full = 3
};
void setAccess(int index, Access a) volatile { setBitRange(2*index+1, 2*index, (uint32_t)a); }
};
// Application Interrupt and Reset Control Register
// http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0552a/Cihehdge.html
class AIRCR : public Register32 {
public:
void requestReset() volatile {
set(0x5FA<<16 |(1<<2));
}
};
// http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0553a/Cihhjgdh.html
class SCR : public Register32 {
public:
REGS_BOOL_FIELD(SLEEPDEEP, 2);
};
constexpr CM4() {};
REGS_REGISTER_AT(VTOR, 0x08);
REGS_REGISTER_AT(AIRCR, 0x0C);
REGS_REGISTER_AT(SCR, 0x10);
REGS_REGISTER_AT(CPACR, 0x88);
private:
constexpr uint32_t Base() const {
return 0xE000ED00;
}
};
constexpr CM4 CM4;
#endif