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adjust the order of registers on the stack

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This commit is contained in:
acevest
2019-10-08 14:42:58 +08:00
parent b147d060fb
commit 41ad2d711e
3 changed files with 268 additions and 218 deletions
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70
arch/risc-v/common/include/tos_cpu.h
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@@ -2,47 +2,41 @@
#define _TOS_CPU_H_
typedef struct cpu_context_st {
union { cpu_data_t s0, x8, fp; };
union { cpu_data_t s1, x9; };
union { cpu_data_t s2, x18; };
union { cpu_data_t s3, x19; };
union { cpu_data_t s4, x20; };
union { cpu_data_t s5, x21; };
union { cpu_data_t s6, x22; };
union { cpu_data_t s7, x23; };
union { cpu_data_t s8, x24; };
union { cpu_data_t s9, x25; };
union { cpu_data_t s10,x26; };
union { cpu_data_t s11,x27; };
// caller save
union { cpu_data_t ra, x1; };
union { cpu_data_t gp, x3; };
union { cpu_data_t tp, x4; };
union { cpu_data_t t0, x5; };
union { cpu_data_t t1, x6; };
union { cpu_data_t t2, x7; };
union { cpu_data_t t3, x28; };
union { cpu_data_t t4, x29; };
union { cpu_data_t t5, x30; };
union { cpu_data_t t6, x31; };
union { cpu_data_t a0, x10; };
union { cpu_data_t a1, x11; };
union { cpu_data_t a2, x12; };
union { cpu_data_t a3, x13; };
union { cpu_data_t a4, x14; };
union { cpu_data_t a5, x15; };
union { cpu_data_t a6, x16; };
union { cpu_data_t a7, x17; };
cpu_data_t epc;
cpu_data_t mepc;
cpu_data_t mstatus;
union { cpu_data_t x1, ra; };
union { cpu_data_t x3, gp; };
union { cpu_data_t x4, tp; };
union { cpu_data_t x5, t0; };
union { cpu_data_t x6, t1; };
union { cpu_data_t x7, t2; };
union { cpu_data_t x8, s0, fp; };
union { cpu_data_t x9, s1; };
union { cpu_data_t x10, a0; };
union { cpu_data_t x11, a1; };
union { cpu_data_t x12, a2; };
union { cpu_data_t x13, a3; };
union { cpu_data_t x14, a4; };
union { cpu_data_t x15, a5; };
union { cpu_data_t x16, a6; };
union { cpu_data_t x17, a7; };
union { cpu_data_t x18, s2; };
union { cpu_data_t x19, s3; };
union { cpu_data_t x20, s4; };
union { cpu_data_t x21, s5; };
union { cpu_data_t x22, s6; };
union { cpu_data_t x23, s7; };
union { cpu_data_t x24, s8; };
union { cpu_data_t x25, s9; };
union { cpu_data_t x26, s10; };
union { cpu_data_t x27, s11; };
union { cpu_data_t x28, t3; };
union { cpu_data_t x29, t4; };
union { cpu_data_t x30, t5; };
union { cpu_data_t x31, t6; };
} cpu_context_t;
__API__ uint32_t tos_cpu_clz(uint32_t val);
__API__ void tos_cpu_int_disable(void);