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Pass ps_strings in r0 when execing processes.

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Use macros rather than absolute values in zero_page_read*() functions.
This commit is contained in:
mark 1998-08-02 21:50:31 +00:00
parent 005ae749a7
commit 70fe6c76a1
1 changed files with 19 additions and 7 deletions
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26
sys/arch/arm32/arm32/machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.41 1998/07/08 00:10:46 mark Exp $ */
/* $NetBSD: machdep.c,v 1.42 1998/08/02 21:50:31 mark Exp $ */
/*
* Copyright (c) 1994-1996 Mark Brinicombe.
@ -654,13 +654,23 @@ setregs(p, pack, stack)
(u_int) tf, tf->tf_pc, tf->tf_usr_lr, tf->tf_usr_sp);
#endif
tf->tf_r0 = (u_int)PS_STRINGS;
tf->tf_r1 = 0;
tf->tf_r2 = 0;
tf->tf_r3 = 0;
tf->tf_r4 = 0;
tf->tf_r5 = 0;
tf->tf_r6 = 0;
tf->tf_r7 = 0;
tf->tf_r8 = 0;
tf->tf_r9 = 0;
tf->tf_r10 = 0;
tf->tf_r11 = 0; /* bottom of the fp chain */
tf->tf_r12 = stack; /* needed by crt0.c */
tf->tf_pc = pack->ep_entry;
tf->tf_r12 = stack; /* needed by old crt0.c */
tf->tf_usr_sp = stack;
tf->tf_usr_lr = pack->ep_entry;
tf->tf_svc_lr = 0x77777777; /* Something we can see */
tf->tf_usr_sp = stack;
tf->tf_r10 = 0xaa55aa55; /* Something we can see */
tf->tf_pc = pack->ep_entry;
tf->tf_spsr = PSR_USR32_MODE;
p->p_addr->u_pcb.pcb_flags = 0;
@ -677,7 +687,8 @@ setregs(p, pack, stack)
void
zero_page_readonly()
{
WriteWord(0xefc00000, L2_PTE((systempage.physical & PG_FRAME), AP_KR));
WriteWord(PROCESS_PAGE_TBLS_BASE + 0,
L2_PTE((systempage.physical & PG_FRAME), AP_KR));
cpu_tlb_flushID_SE(0x00000000);
}
@ -692,7 +703,8 @@ zero_page_readonly()
void
zero_page_readwrite()
{
WriteWord(0xefc00000, L2_PTE((systempage.physical & PG_FRAME), AP_KRW));
WriteWord(PROCESS_PAGE_TBLS_BASE + 0,
L2_PTE((systempage.physical & PG_FRAME), AP_KRW));
cpu_tlb_flushID_SE(0x00000000);
}