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baremetal aarch64: create C version of multicore.S as well

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Attempted to do the same for arm, but it failed.
This commit is contained in:
Ciro Santilli 六四事件 法轮功
2019-08-21 00:00:00 +00:00
parent 6f88fa17bc
commit f28191a735
21 changed files with 336 additions and 89 deletions
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21
lkmc/aarch64.h
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@@ -1,6 +1,8 @@
#ifndef LKMC_AARCH64_H
#define LKMC_AARCH64_H
#include <lkmc/arm_aarch64.h>
#define LKMC_ASSERT_EQ(reg, const) \
mov x0, reg; \
ldr x1, const; \
@@ -292,10 +294,7 @@ typedef struct {
} LkmcVectorExceptionFrame;
void lkmc_vector_trap_handler(LkmcVectorExceptionFrame *exception);
/* Misc assembly instructions. */
#define lkmc_svc(immediate) __asm__ __volatile__("svc " #immediate : : : )
#define lkmc_wfi() __asm__ __volatile__ ("wfi" : : : "memory")
void lkmc_cpu_not_0(uint64_t cpuid);
/* Sysreg read and write functions, e.g.:
*
@@ -310,16 +309,26 @@ void lkmc_vector_trap_handler(LkmcVectorExceptionFrame *exception);
void LKMC_CONCAT(LKMC_CONCAT(LKMC_SYSREG_SYMBOL_PREFIX, print_), name)(void);
#define LKMC_SYSREG_OPS \
LKMC_SYSREG_READ_WRITE(32, cntv_ctl_el0) \
LKMC_SYSREG_READ_WRITE(64, daif) \
LKMC_SYSREG_READ_WRITE(32, spsel) \
LKMC_SYSREG_READ_WRITE(64, cntfrq_el0) \
LKMC_SYSREG_READ_WRITE(64, cntv_cval_el0) \
LKMC_SYSREG_READ_WRITE(64, cntv_tval_el0) \
LKMC_SYSREG_READ_WRITE(64, cntvct_el0) \
LKMC_SYSREG_READ_WRITE(64, daif) \
LKMC_SYSREG_READ_WRITE(64, mpidr_el1) \
LKMC_SYSREG_READ_WRITE(64, sp_el1) \
LKMC_SYSREG_READ_WRITE(32, spsel) \
LKMC_SYSREG_READ_WRITE(64, vbar_el1)
LKMC_SYSREG_OPS
#undef LKMC_SYSREG_READ_WRITE
/* Determine what is the ID of the currently running CPU. */
uint64_t lkmc_aarch64_cpu_id();
void lkmc_aarch64_psci_cpu_on(
uint64_t target_cpu,
uint64_t entry_point_address,
uint64_t context_id
);
#endif
#endif