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Mon, 15 Dec 2025 09:05:53 -0800 (PST) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Alex=20Benn=C3=A9e?= , Jim MacArthur , Peter Maydell , qemu-arm@nongnu.org (open list:ARM PrimeCell and...) Subject: [RFC PATCH] hw/misc: make the tz-ppc-port names more useful Date: Mon, 15 Dec 2025 17:05:48 +0000 Message-ID: <20251215170548.2594651-1-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.3 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32c; envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x32c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1765824033693139100 The TrustZone peripheral protection controller (tz-ppc) sits between peripherals and the main system. However this results in "info mtree" looking at bit confusing, especially as the sequence numbers can overlap and miss steps: 0000000000000000-ffffffffffffffff (prio -2, i/o): system 0000000000000000-00000000003fffff (prio 0, i/o): tz-mpc-upstream 0000000000400000-00000000007fffff (prio 0, i/o): alias ssram-0-alia= s @tz-mpc-upstream 0000000000000000-00000000003fffff 0000000028000000-00000000281fffff (prio 0, i/o): tz-mpc-upstream 0000000028200000-00000000283fffff (prio 0, i/o): tz-mpc-upstream 0000000040080000-0000000040080fff (prio 0, i/o): iotkit-secctl-ns-r= egs 0000000040100000-0000000040100fff (prio 0, i/o): tz-ppc-port[1] 0000000040101000-0000000040101fff (prio 0, i/o): tz-ppc-port[2] 0000000040102000-0000000040102fff (prio 0, i/o): tz-ppc-port[3] 0000000040103000-0000000040103fff (prio 0, i/o): tz-ppc-port[4] 0000000040110000-0000000040110fff (prio 0, i/o): tz-ppc-port[0] 0000000040111000-0000000040111fff (prio 0, i/o): tz-ppc-port[1] 0000000040112000-0000000040112fff (prio 0, i/o): tz-ppc-port[2] 0000000040113000-0000000040113fff (prio 0, i/o): tz-ppc-port[3] 0000000040200000-0000000040200fff (prio 0, i/o): tz-ppc-port[5] 0000000040201000-0000000040201fff (prio 0, i/o): tz-ppc-port[6] 0000000040202000-0000000040202fff (prio 0, i/o): tz-ppc-port[7] 0000000040203000-0000000040203fff (prio 0, i/o): tz-ppc-port[8] 0000000040204000-0000000040204fff (prio 0, i/o): tz-ppc-port[9] 0000000040205000-0000000040205fff (prio 0, i/o): tz-ppc-port[0] 0000000040206000-0000000040206fff (prio 0, i/o): tz-ppc-port[1] 0000000040207000-0000000040207fff (prio 0, i/o): tz-ppc-port[10] 0000000040208000-0000000040208fff (prio 0, i/o): tz-ppc-port[11] 0000000040209000-0000000040209fff (prio 0, i/o): tz-ppc-port[2] 000000004020a000-000000004020afff (prio 0, i/o): tz-ppc-port[3] 000000004020b000-000000004020bfff (prio 0, i/o): tz-ppc-port[4] 000000004020c000-000000004020cfff (prio 0, i/o): tz-ppc-port[12] 000000004020d000-000000004020dfff (prio 0, i/o): tz-ppc-port[13] 0000000040300000-0000000040300fff (prio 0, i/o): tz-ppc-port[0] 0000000040301000-0000000040301fff (prio 0, i/o): tz-ppc-port[1] 0000000040302000-0000000040302fff (prio 0, i/o): tz-ppc-port[2] 0000000041000000-000000004113ffff (prio 0, i/o): tz-ppc-port[0] 0000000042000000-00000000420000ff (prio 0, i/o): tz-ppc-port[5] 0000000048007000-0000000048007fff (prio -1000, i/o): FPGA NS PC 0000000050080000-0000000050080fff (prio 0, i/o): iotkit-secctl-s-re= gs 0000000058007000-0000000058007fff (prio 0, i/o): tz-ppc-port[0] 0000000058008000-0000000058008fff (prio 0, i/o): tz-ppc-port[1] 0000000058009000-0000000058009fff (prio 0, i/o): tz-ppc-port[2] 0000000080000000-0000000080ffffff (prio 0, ram): mps.ram So as a quality of life feature lets expose the name of the underlying region so we get something more useful: 0000000000000000-ffffffffffffffff (prio -2, i/o): system 0000000000000000-00000000003fffff (prio 0, i/o): tz-mpc-upstream 0000000000400000-00000000007fffff (prio 0, i/o): alias ssram-0-alias = @tz-mpc-upstream 0000000000000000-00000000003fffff 0000000028000000-00000000281fffff (prio 0, i/o): tz-mpc-upstream 0000000028200000-00000000283fffff (prio 0, i/o): tz-mpc-upstream 0000000040080000-0000000040080fff (prio 0, i/o): iotkit-secctl-ns-regs 0000000040100000-0000000040100fff (prio 0, i/o): tz-ppc-port[gpio0] 0000000040101000-0000000040101fff (prio 0, i/o): tz-ppc-port[gpio1] 0000000040102000-0000000040102fff (prio 0, i/o): tz-ppc-port[gpio2] 0000000040103000-0000000040103fff (prio 0, i/o): tz-ppc-port[gpio3] 0000000040110000-0000000040110fff (prio 0, i/o): tz-ppc-port[pl080] 0000000040111000-0000000040111fff (prio 0, i/o): tz-ppc-port[pl080] 0000000040112000-0000000040112fff (prio 0, i/o): tz-ppc-port[pl080] 0000000040113000-0000000040113fff (prio 0, i/o): tz-ppc-port[pl080] 0000000040200000-0000000040200fff (prio 0, i/o): tz-ppc-port[uart] 0000000040201000-0000000040201fff (prio 0, i/o): tz-ppc-port[uart] 0000000040202000-0000000040202fff (prio 0, i/o): tz-ppc-port[uart] 0000000040203000-0000000040203fff (prio 0, i/o): tz-ppc-port[uart] 0000000040204000-0000000040204fff (prio 0, i/o): tz-ppc-port[uart] 0000000040205000-0000000040205fff (prio 0, i/o): tz-ppc-port[pl022] 0000000040206000-0000000040206fff (prio 0, i/o): tz-ppc-port[pl022] 0000000040207000-0000000040207fff (prio 0, i/o): tz-ppc-port[arm_sbco= n_i2c] 0000000040208000-0000000040208fff (prio 0, i/o): tz-ppc-port[arm_sbco= n_i2c] 0000000040209000-0000000040209fff (prio 0, i/o): tz-ppc-port[pl022] 000000004020a000-000000004020afff (prio 0, i/o): tz-ppc-port[pl022] 000000004020b000-000000004020bfff (prio 0, i/o): tz-ppc-port[pl022] 000000004020c000-000000004020cfff (prio 0, i/o): tz-ppc-port[arm_sbco= n_i2c] 000000004020d000-000000004020dfff (prio 0, i/o): tz-ppc-port[arm_sbco= n_i2c] 0000000040300000-0000000040300fff (prio 0, i/o): tz-ppc-port[mps2-scc] 0000000040301000-0000000040301fff (prio 0, i/o): tz-ppc-port[i2s-audi= o] 0000000040302000-0000000040302fff (prio 0, i/o): tz-ppc-port[mps2-fpg= aio] 0000000041000000-000000004113ffff (prio 0, i/o): tz-ppc-port[gfx] 0000000042000000-00000000420000ff (prio 0, i/o): tz-ppc-port[lan9118-= mmio] 0000000048007000-0000000048007fff (prio -1000, i/o): FPGA NS PC 0000000050080000-0000000050080fff (prio 0, i/o): iotkit-secctl-s-regs 0000000058007000-0000000058007fff (prio 0, i/o): tz-ppc-port[tz-mpc-r= egs] 0000000058008000-0000000058008fff (prio 0, i/o): tz-ppc-port[tz-mpc-r= egs] 0000000058009000-0000000058009fff (prio 0, i/o): tz-ppc-port[tz-mpc-r= egs] 0000000080000000-0000000080ffffff (prio 0, ram): mps.ram Signed-off-by: Alex Benn=C3=A9e Cc: Jim MacArthur Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/misc/tz-ppc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/misc/tz-ppc.c b/hw/misc/tz-ppc.c index e4235a846d4..fd305f9f62f 100644 --- a/hw/misc/tz-ppc.c +++ b/hw/misc/tz-ppc.c @@ -273,7 +273,7 @@ static void tz_ppc_realize(DeviceState *dev, Error **er= rp) continue; } =20 - name =3D g_strdup_printf("tz-ppc-port[%d]", i); + name =3D g_strdup_printf("tz-ppc-port[%s]", memory_region_name(por= t->downstream)); =20 port->ppc =3D s; address_space_init(&port->downstream_as, port->downstream, name); --=20 2.47.3