another attempt at cpu-local variables.

this time do it ourselves instead of piggybacking on TLS.
add -fno-pic to Makefile; pic code breaks our fake TLS.

1 files changed, 1 insertions, 2 deletions

diff --git a/proc.c b/proc.c
index e83e0f7..73cad6d 100644
--- a/proc.c
+++ b/proc.c
@@ -70,12 +70,11 @@ ksegment(void)
   c = &cpus[cpunum()];
   c->gdt[SEG_KCODE] = SEG(STA_X|STA_R, 0, 0x100000 + 64*1024-1, 0);
   c->gdt[SEG_KDATA] = SEG(STA_W, 0, 0xffffffff, 0);
-  c->gdt[SEG_KCPU] = SEG(STA_W, &c->tlsstruct, 0xffffffff, 0);
+  c->gdt[SEG_KCPU] = SEG(STA_W, &c->cpu, 8, 0);
   lgdt(c->gdt, sizeof(c->gdt));
   loadfsgs(SEG_KCPU << 3);
   
   // Initialize cpu-local storage.
-  c->tlsstruct = &c->tlsstruct;
   asm volatile("");  // Do not let gcc reorder across this line.
   cpu = c;
   proc = 0;