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Added config CONFIG_CL_BOOT to forward the execution to cluster side

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This commit is contained in:
Germain Haugou 2020-02-20 18:52:47 +01:00
parent 30e51032bc
commit eca64eca67
2 changed files with 28 additions and 1 deletions
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25
kernel/crt0.S
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@ -33,6 +33,14 @@ pos_init_entry:
csrr a0, 0xF14
andi a1, a0, 0x1f
srli a0, a0, 5
#ifdef ARCHI_CL_BOOT
li a2, ARCHI_FC_CID
beq a0, a2, do_cl_boot
bnez a1, pe_start
#else
#ifdef ARCHI_FC_CID
li a2, ARCHI_FC_CID
bne a0, a2, pe_start
@ -41,6 +49,8 @@ pos_init_entry:
#endif
#endif
#endif
# Clear the bss segment
@ -155,4 +165,17 @@ pe_start:
mul x1, x3, a1
add x2, x2, x1
j cluster_entry_stub
#endif
#endif
do_cl_boot:
li x2, 0x10200000
li x3, 0x1
la x4, _start
sw x4, 0x40(x2)
sw x3, 8(x2)
loop:
li x2, 0x1a109800
sw x0, 0(x2)
wfi
j loop

4
rules/pulpos/default_rules.mk
View file

@ -75,6 +75,10 @@ ifdef CONFIG_NO_FC
PULP_CFLAGS += -DARCHI_NO_FC=1
endif
ifdef CONFIG_CL_BOOT
PULP_CFLAGS += -DARCHI_CL_BOOT=1
endif
ifdef CONFIG_IO_UART
PULP_CFLAGS += -DCONFIG_IO_UART=$(CONFIG_IO_UART)
endif