Imbus/xv6-riscv-kernel
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start at support for multiple CPUs

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This commit is contained in:
Robert Morris 2019-06-05 11:42:03 -04:00
parent ec3d3a1fce
commit f1a727b971
21 changed files with 87 additions and 837 deletions
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13
entry.S
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@ -10,12 +10,15 @@
.section .text
.globl _entry
_entry:
# set up a stack for C; stack0 is declared in start.
# set up a stack for C.
# stack0 is declared in start,
# with 4096 bytes per CPU.
la sp, stack0
addi sp, sp, 1024
addi sp, sp, 1024
addi sp, sp, 1024
addi sp, sp, 1024
li a0, 1024*4
csrr a1, mhartid
addi a1, a1, 1
mul a0, a0, a1
add sp, sp, a0
# jump to mstart() in start.c
call mstart
junk: