diff options
Diffstat (limited to 'hw/intc/xive.c')
| -rw-r--r-- | hw/intc/xive.c | 57 |
1 files changed, 49 insertions, 8 deletions
diff --git a/hw/intc/xive.c b/hw/intc/xive.c index 5204c14..84c079b 100644 --- a/hw/intc/xive.c +++ b/hw/intc/xive.c @@ -20,6 +20,7 @@ #include "monitor/monitor.h" #include "hw/irq.h" #include "hw/ppc/xive.h" +#include "hw/ppc/xive2.h" #include "hw/ppc/xive_regs.h" #include "trace.h" @@ -461,6 +462,13 @@ static void xive_tm_push_os_ctx(XivePresenter *xptr, XiveTCTX *tctx, } } +static uint32_t xive_presenter_get_config(XivePresenter *xptr) +{ + XivePresenterClass *xpc = XIVE_PRESENTER_GET_CLASS(xptr); + + return xpc->get_config(xptr); +} + /* * Define a mapping of "special" operations depending on the TIMA page * offset and the size of the operation. @@ -497,14 +505,47 @@ static const XiveTmOp xive_tm_operations[] = { { XIVE_TM_HV_PAGE, TM_SPC_PULL_POOL_CTX, 8, NULL, xive_tm_pull_pool_ctx }, }; -static const XiveTmOp *xive_tm_find_op(hwaddr offset, unsigned size, bool write) +static const XiveTmOp xive2_tm_operations[] = { + /* + * MMIOs below 2K : raw values and special operations without side + * effects + */ + { XIVE_TM_OS_PAGE, TM_QW1_OS + TM_CPPR, 1, xive_tm_set_os_cppr, NULL }, + { XIVE_TM_HV_PAGE, TM_QW1_OS + TM_WORD2, 4, xive2_tm_push_os_ctx, NULL }, + { XIVE_TM_HV_PAGE, TM_QW3_HV_PHYS + TM_CPPR, 1, xive_tm_set_hv_cppr, NULL }, + { XIVE_TM_HV_PAGE, TM_QW3_HV_PHYS + TM_WORD2, 1, xive_tm_vt_push, NULL }, + { XIVE_TM_HV_PAGE, TM_QW3_HV_PHYS + TM_WORD2, 1, NULL, xive_tm_vt_poll }, + + /* MMIOs above 2K : special operations with side effects */ + { XIVE_TM_OS_PAGE, TM_SPC_ACK_OS_REG, 2, NULL, xive_tm_ack_os_reg }, + { XIVE_TM_OS_PAGE, TM_SPC_SET_OS_PENDING, 1, xive_tm_set_os_pending, NULL }, + { XIVE_TM_HV_PAGE, TM_SPC_PULL_OS_CTX, 4, NULL, xive2_tm_pull_os_ctx }, + { XIVE_TM_HV_PAGE, TM_SPC_PULL_OS_CTX, 8, NULL, xive2_tm_pull_os_ctx }, + { XIVE_TM_HV_PAGE, TM_SPC_ACK_HV_REG, 2, NULL, xive_tm_ack_hv_reg }, + { XIVE_TM_HV_PAGE, TM_SPC_PULL_POOL_CTX, 4, NULL, xive_tm_pull_pool_ctx }, + { XIVE_TM_HV_PAGE, TM_SPC_PULL_POOL_CTX, 8, NULL, xive_tm_pull_pool_ctx }, +}; + +static const XiveTmOp *xive_tm_find_op(XivePresenter *xptr, hwaddr offset, + unsigned size, bool write) { uint8_t page_offset = (offset >> TM_SHIFT) & 0x3; uint32_t op_offset = offset & TM_ADDRESS_MASK; - int i; + const XiveTmOp *tm_ops; + int i, tm_ops_count; + uint32_t cfg; + + cfg = xive_presenter_get_config(xptr); + if (cfg & XIVE_PRESENTER_GEN1_TIMA_OS) { + tm_ops = xive_tm_operations; + tm_ops_count = ARRAY_SIZE(xive_tm_operations); + } else { + tm_ops = xive2_tm_operations; + tm_ops_count = ARRAY_SIZE(xive2_tm_operations); + } - for (i = 0; i < ARRAY_SIZE(xive_tm_operations); i++) { - const XiveTmOp *xto = &xive_tm_operations[i]; + for (i = 0; i < tm_ops_count; i++) { + const XiveTmOp *xto = &tm_ops[i]; /* Accesses done from a more privileged TIMA page is allowed */ if (xto->page_offset >= page_offset && @@ -535,7 +576,7 @@ void xive_tctx_tm_write(XivePresenter *xptr, XiveTCTX *tctx, hwaddr offset, * First, check for special operations in the 2K region */ if (offset & TM_SPECIAL_OP) { - xto = xive_tm_find_op(offset, size, true); + xto = xive_tm_find_op(tctx->xptr, offset, size, true); if (!xto) { qemu_log_mask(LOG_GUEST_ERROR, "XIVE: invalid write access at TIMA " "@%"HWADDR_PRIx"\n", offset); @@ -548,7 +589,7 @@ void xive_tctx_tm_write(XivePresenter *xptr, XiveTCTX *tctx, hwaddr offset, /* * Then, for special operations in the region below 2K. */ - xto = xive_tm_find_op(offset, size, true); + xto = xive_tm_find_op(tctx->xptr, offset, size, true); if (xto) { xto->write_handler(xptr, tctx, offset, value, size); return; @@ -574,7 +615,7 @@ uint64_t xive_tctx_tm_read(XivePresenter *xptr, XiveTCTX *tctx, hwaddr offset, * First, check for special operations in the 2K region */ if (offset & TM_SPECIAL_OP) { - xto = xive_tm_find_op(offset, size, false); + xto = xive_tm_find_op(tctx->xptr, offset, size, false); if (!xto) { qemu_log_mask(LOG_GUEST_ERROR, "XIVE: invalid read access to TIMA" "@%"HWADDR_PRIx"\n", offset); @@ -587,7 +628,7 @@ uint64_t xive_tctx_tm_read(XivePresenter *xptr, XiveTCTX *tctx, hwaddr offset, /* * Then, for special operations in the region below 2K. */ - xto = xive_tm_find_op(offset, size, false); + xto = xive_tm_find_op(tctx->xptr, offset, size, false); if (xto) { ret = xto->read_handler(xptr, tctx, offset, size); goto out; |