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| author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-02-12 21:01:26 +0000 |
|---|---|---|
| committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-02-12 21:01:26 +0000 |
| commit | d0dc7dc3274a88db1c9941614454ed842d62cf91 (patch) | |
| tree | 46e369f2d52daecef62ef93665fdc6dbb21c3b82 /linux-user/signal.c | |
| parent | 577d8dd43779f6ae75cb1b49606443ddab870bda (diff) | |
| download | focaccia-qemu-d0dc7dc3274a88db1c9941614454ed842d62cf91.tar.gz focaccia-qemu-d0dc7dc3274a88db1c9941614454ed842d62cf91.zip | |
Make MIPS MT implementation more cache friendly.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3981 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'linux-user/signal.c')
| -rw-r--r-- | linux-user/signal.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c index 312e41941e..1f4608edac 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -2131,7 +2131,7 @@ setup_sigcontext(CPUState *regs, struct target_sigcontext *sc) err |= __put_user(regs->PC[regs->current_tc], &sc->sc_pc); #define save_gp_reg(i) do { \ - err |= __put_user(regs->gpr[i][regs->current_tc], &sc->sc_regs[i]); \ + err |= __put_user(regs->gpr[regs->current_tc][i], &sc->sc_regs[i]); \ } while(0) __put_user(0, &sc->sc_regs[0]); save_gp_reg(1); save_gp_reg(2); save_gp_reg(3); save_gp_reg(4); save_gp_reg(5); save_gp_reg(6); @@ -2144,8 +2144,8 @@ setup_sigcontext(CPUState *regs, struct target_sigcontext *sc) save_gp_reg(31); #undef save_gp_reg - err |= __put_user(regs->HI[0][regs->current_tc], &sc->sc_mdhi); - err |= __put_user(regs->LO[0][regs->current_tc], &sc->sc_mdlo); + err |= __put_user(regs->HI[regs->current_tc][0], &sc->sc_mdhi); + err |= __put_user(regs->LO[regs->current_tc][0], &sc->sc_mdlo); /* Not used yet, but might be useful if we ever have DSP suppport */ #if 0 @@ -2205,11 +2205,11 @@ restore_sigcontext(CPUState *regs, struct target_sigcontext *sc) err |= __get_user(regs->CP0_EPC, &sc->sc_pc); - err |= __get_user(regs->HI[0][regs->current_tc], &sc->sc_mdhi); - err |= __get_user(regs->LO[0][regs->current_tc], &sc->sc_mdlo); + err |= __get_user(regs->HI[regs->current_tc][0], &sc->sc_mdhi); + err |= __get_user(regs->LO[regs->current_tc][0], &sc->sc_mdlo); #define restore_gp_reg(i) do { \ - err |= __get_user(regs->gpr[i][regs->current_tc], &sc->sc_regs[i]); \ + err |= __get_user(regs->gpr[regs->current_tc][i], &sc->sc_regs[i]); \ } while(0) restore_gp_reg( 1); restore_gp_reg( 2); restore_gp_reg( 3); restore_gp_reg( 4); restore_gp_reg( 5); restore_gp_reg( 6); @@ -2275,7 +2275,7 @@ get_sigframe(struct emulated_sigaction *ka, CPUState *regs, size_t frame_size) unsigned long sp; /* Default to using normal stack */ - sp = regs->gpr[29][regs->current_tc]; + sp = regs->gpr[regs->current_tc][29]; /* * FPU emulator may have it's own trampoline active just @@ -2324,15 +2324,15 @@ static void setup_frame(int sig, struct emulated_sigaction * ka, * $25 and PC point to the signal handler, $29 points to the * struct sigframe. */ - regs->gpr[ 4][regs->current_tc] = sig; - regs->gpr[ 5][regs->current_tc] = 0; - regs->gpr[ 6][regs->current_tc] = frame_addr + offsetof(struct sigframe, sf_sc); - regs->gpr[29][regs->current_tc] = frame_addr; - regs->gpr[31][regs->current_tc] = frame_addr + offsetof(struct sigframe, sf_code); + regs->gpr[regs->current_tc][ 4] = sig; + regs->gpr[regs->current_tc][ 5] = 0; + regs->gpr[regs->current_tc][ 6] = frame_addr + offsetof(struct sigframe, sf_sc); + regs->gpr[regs->current_tc][29] = frame_addr; + regs->gpr[regs->current_tc][31] = frame_addr + offsetof(struct sigframe, sf_code); /* The original kernel code sets CP0_EPC to the handler * since it returns to userland using eret * we cannot do this here, and we must set PC directly */ - regs->PC[regs->current_tc] = regs->gpr[25][regs->current_tc] = ka->sa._sa_handler; + regs->PC[regs->current_tc] = regs->gpr[regs->current_tc][25] = ka->sa._sa_handler; unlock_user_struct(frame, frame_addr, 1); return; @@ -2353,7 +2353,7 @@ long do_sigreturn(CPUState *regs) #if defined(DEBUG_SIGNAL) fprintf(stderr, "do_sigreturn\n"); #endif - frame_addr = regs->gpr[29][regs->current_tc]; + frame_addr = regs->gpr[regs->current_tc][29]; if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) goto badframe; |