saymrwulf/pulp-runtime
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Hardcoded changes to properly set up the stack.

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This commit is contained in:
Luca Valente 2023-03-16 20:43:36 +01:00
parent b921066dc3
commit dad915bec6
4 changed files with 23 additions and 22 deletions
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10
kernel/bench.c
View file

@ -108,7 +108,6 @@ void run_benchmark(testcase_t *test, testresult_t *result)
bench_timer_reset();
printf("x\n", test);
test->test(result, bench_timer_start, bench_timer_stop);
result->time = get_time();
@ -127,12 +126,13 @@ int run_suite(testcase_t *tests)
for (i = 0; i < num; i++) {
testresult_t result;
run_benchmark(&tests[i], &result);
if(enable_printf) print_result(&tests[i], &result);
if(enable_printf && (get_core_id()==0))
print_result(&tests[i], &result);
errors += result.errors;
}
print_summary(errors);
if(get_core_id() == 0)
print_summary(errors);
return errors;
}

2
kernel/chips/pulp/link.ld
View file

@ -4,7 +4,7 @@ ENTRY( _start )
MEMORY
{
L2 : ORIGIN = 0x1c000000, LENGTH = 0x0007fffc
L1 : ORIGIN = 0x10000004, LENGTH = 0x0000fffc
L1 : ORIGIN = 0x10000000, LENGTH = 0x0000fffc
}
/*

29
kernel/crt0.S
View file

@ -26,18 +26,12 @@ pos_init_entry:
#if defined(ARCHI_HAS_CLUSTER)
csrr a0, 0xF14
andi a1, a0, 0x1f
srli a0, a0, 5
li x2, 0x10200000
li x3, 0x1
la x4, _start
sw x4, 0x40(x2)
sw x3, 8(x2)
//#ifdef ARCHI_CL_BOOT
//
// li a2, ARCHI_FC_CID
// j do_cl_boot
//// beq a0, a2, do_cl_boot // FC will go there
//// bnez a1, pe_start // cluster will go here
// beq a0, a2, // FC will go there
bnez a0, cluster_entry_stub // cluster will go here
//
//#else
//
@ -50,8 +44,12 @@ pos_init_entry:
//#endif
//
#endif
srli a0, a0, 5
li x2, 0x10200000
li x3, 0x1
la x4, _start
sw x4, 0x40(x2)
sw x3, 8(x2)
# Clear the bss segment
la t0, _bss_start
@ -64,13 +62,14 @@ pos_init_entry:
# Stack initialization
la x2, stack
// la x2, stack
/* Do all other initializations from C code */
jal x1, pos_init_start
j cluster_entry_stub
.section .text
@ -140,7 +139,7 @@ pos_init_entry:
.org 0x80
.global _start
_start:
jal x0, pos_init_entry
jal x0, pe_start
pos_illegal_instr:
@ -159,15 +158,17 @@ pos_semihosting_call:
#if defined(ARCHI_HAS_CLUSTER)
pe_start:
csrr a0, 0xF14
andi a1, a0, 0x1f
la x2, cluster_stacks
lw x2, 0(x2)
li x3, CLUSTER_STACK_SIZE
addi a1, a1, 1
mul x1, x3, a1
add x2, x2, x1
j cluster_entry_stub // fc will go here
j pos_init_entry // fc will go here
#endif
do_cl_boot:
li x2, 0x10200000
li x3, 0x1

4
kernel/init.c
View file

@ -74,7 +74,7 @@ void pos_init_start()
// Call global and static constructors
// Each module may do private initializations there
//pos_init_do_ctors();
pos_init_do_ctors();
// Now that the system is ready, activate IO
pos_io_start();
@ -84,7 +84,7 @@ void pos_init_start()
}
cluster_entry_stub();
// cluster_entry_stub();
//if (!hal_is_fc())
//{