X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fapic.c;h=d27cd128e84c2673be8b1891ccf6a10516ec7b52;hb=7d04da01ea9d82e0bd1f38cd5eb07367f033a087;hp=a26f2314b2e7798186baf74eb74222e6cf1d2f80;hpb=cfdfdd688c579b9a521f00cafb5cf5e0f859e2ad;p=palacios.git diff --git a/palacios/src/devices/apic.c b/palacios/src/devices/apic.c index a26f231..d27cd12 100644 --- a/palacios/src/devices/apic.c +++ b/palacios/src/devices/apic.c @@ -168,6 +168,7 @@ struct apic_state { uint32_t tmr_init_cnt; + struct local_vec_tbl_reg ext_intr_vec_tbl[4]; uint32_t rem_rd_data; @@ -223,6 +224,7 @@ static void init_apic_state(struct apic_state * apic) { apic->lint1_vec_tbl.val = 0x00010000; apic->err_vec_tbl.val = 0x00010000; apic->tmr_div_cfg.val = 0x00000000; + //apic->ext_apic_feature.val = 0x00000007; apic->ext_apic_feature.val = 0x00040007; apic->ext_apic_ctrl.val = 0x00000000; apic->spec_eoi.val = 0x00000000; @@ -288,8 +290,6 @@ static int get_highest_isr(struct apic_state * apic) { for (j = 7; j >= 0; j--) { uchar_t flag = 0x1 << j; if ((*svc_major) & flag) { - - return ((i * 8) + j); } } @@ -312,8 +312,6 @@ static int get_highest_irr(struct apic_state * apic) { for (j = 7; j >= 0; j--) { uchar_t flag = 0x1 << j; if ((*req_major) & flag) { - - return ((i * 8) + j); } } @@ -341,12 +339,12 @@ static int apic_do_eoi(struct apic_state * apic) { #ifdef CRAY_XT - if ((((i * 8) + j) == 238) || - (((i * 8) + j) == 239)) { - PrintError("Acking IRQ %d\n", ((i * 8) + j)); + if ((isr_irq == 238) || + (isr_irq == 239)) { + PrintError("Acking IRQ %d\n", isr_irq); } - if (((i * 8) + j) == 238) { + if (isr_irq == 238) { V3_ACK_IRQ(238); } #endif @@ -433,7 +431,6 @@ static int apic_read(addr_t guest_addr, void * dst, uint_t length, void * priv_d } - /* Because "May not be supported" doesn't matter to Linux developers... */ /* if (length != 4) { */ /* PrintError("Invalid apic read length (%d)\n", length); */ /* return -1; */ @@ -441,8 +438,6 @@ static int apic_read(addr_t guest_addr, void * dst, uint_t length, void * priv_d switch (reg_addr & ~0x3) { case EOI_OFFSET: - // Well, only an idiot would read from a architectural write only register - // Oh, Hello Linux. // PrintError("Attempting to read from write only register\n"); // return -1; break; @@ -622,9 +617,19 @@ static int apic_read(addr_t guest_addr, void * dst, uint_t length, void * priv_d // Unhandled Registers case EXT_INT_LOC_VEC_TBL_OFFSET0: + val = apic->ext_intr_vec_tbl[0].val; + break; case EXT_INT_LOC_VEC_TBL_OFFSET1: + val = apic->ext_intr_vec_tbl[1].val; + break; case EXT_INT_LOC_VEC_TBL_OFFSET2: + val = apic->ext_intr_vec_tbl[2].val; + break; case EXT_INT_LOC_VEC_TBL_OFFSET3: + val = apic->ext_intr_vec_tbl[3].val; + break; + + case EXT_APIC_FEATURE_OFFSET: case EXT_APIC_CMD_OFFSET: case SEOI_OFFSET: @@ -795,7 +800,20 @@ static int apic_write(addr_t guest_addr, void * src, uint_t length, void * priv_ case IER_OFFSET7: *(uint32_t *)(apic->int_en_reg + 28) = op_val; break; - + + case EXT_INT_LOC_VEC_TBL_OFFSET0: + apic->ext_intr_vec_tbl[0].val = op_val; + break; + case EXT_INT_LOC_VEC_TBL_OFFSET1: + apic->ext_intr_vec_tbl[1].val = op_val; + break; + case EXT_INT_LOC_VEC_TBL_OFFSET2: + apic->ext_intr_vec_tbl[2].val = op_val; + break; + case EXT_INT_LOC_VEC_TBL_OFFSET3: + apic->ext_intr_vec_tbl[3].val = op_val; + break; + // Action Registers case EOI_OFFSET: @@ -806,10 +824,7 @@ static int apic_write(addr_t guest_addr, void * src, uint_t length, void * priv_ case INT_CMD_LO_OFFSET: case INT_CMD_HI_OFFSET: // Unhandled Registers - case EXT_INT_LOC_VEC_TBL_OFFSET0: - case EXT_INT_LOC_VEC_TBL_OFFSET1: - case EXT_INT_LOC_VEC_TBL_OFFSET2: - case EXT_INT_LOC_VEC_TBL_OFFSET3: + case EXT_APIC_CMD_OFFSET: case SEOI_OFFSET: default: