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board: nsim: add nsim.props and fix libraries

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Signed-off-by: Jingru <jingru@synopsys.com>
This commit is contained in:
Jingru
2020-03-23 21:33:23 +08:00
parent 7d7f67e32f
commit bfe3ee1964
10 changed files with 185 additions and 50 deletions
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1
arch/arc/nsim/common/include/tos_cpu.h
View File

@@ -21,6 +21,7 @@
typedef struct cpu_context_st {
cpu_data_t pc;
cpu_data_t blink;
cpu_data_t task;
cpu_data_t status32;
cpu_data_t r0;
} cpu_context_t;

11
arch/arc/nsim/common/tos_cpu.c
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@@ -188,7 +188,7 @@ __KNL__ void cpu_standby_mode_enter(void)
}
#endif /* TOS_CFG_PWR_MGR_EN */
extern void start_r(void);
__KNL__ k_stack_t *cpu_task_stk_init(void *entry,
void *arg,
void *exit,
@@ -199,15 +199,16 @@ __KNL__ k_stack_t *cpu_task_stk_init(void *entry,
cpu_context_t *regs = 0;
sp = (cpu_data_t *)&stk_base[stk_size];
sp = (cpu_data_t *)((cpu_addr_t)sp & 0xFFFFFFFC);
sp = (cpu_data_t *)((cpu_addr_t)sp & 0xFFFFFFC);
sp -= (sizeof(cpu_context_t)/sizeof(cpu_data_t));
regs = (cpu_context_t*) sp;
/* auto-saved on exception(pendSV) by hardware */
regs->pc = (cpu_data_t)entry;
regs->pc = (cpu_data_t)start_r;
regs->blink = (cpu_data_t)exit;
regs->r0 = (cpu_data_t)arg;
regs->task = (cpu_data_t)entry;
regs->status32 = (cpu_data_t)(AUX_STATUS_MASK_IE | ((-1 - INT_PRI_MIN) << 1) | STATUS32_RESET_VALUE);
regs->r0 = (cpu_data_t)arg;
return (k_stack_t *)sp;
}

30
arch/arc/nsim/em/gcc/port_s.S
View File

@@ -7,6 +7,8 @@
.global port_sched_start
.global port_context_switch
.global start_r
.extern k_curr_task
.extern k_next_task
@@ -40,18 +42,26 @@ port_cpsr_restore:
.type port_sched_start, %function
port_sched_start:
push_s blink
clri
mov r0, 0
mov r0, k_curr_task
mov r1, k_next_task
ld r0, [k_curr_task]
ld r1, [k_next_task]
ld r2, [r1]
st r2, [r0] /* k_curr_task = k_next_task*/
ld sp, [r2]
seti
j [r0]
st r2, [r0] /*k_curr_task=k_next_task*/
ld r0, [r2]
ld sp, [r0]
pop r3
j [r3]
.type start_r, %function
start_r:
pop blink;
pop r1
pop r2
pop r0
j_s.d [r1]
kflag r2
.type port_context_switch, %function
port_context_switch:
pop r15
@@ -94,4 +104,4 @@ dispatch_r:
pop blink
pop fp
pop gp
j [blink]
j [blink]